0.49.3

refactor: move indexable test files to separate folder
docs: update changelog
2025-12-31 10:32:54 +00:00 · 2021-08-18 09:57:22 +02:00 · 2021-08-17 18:55:27 +02:00 · 2021-08-17 18:15:19 +02:00 · 2021-08-17 18:15:11 +02:00 · 2021-08-17 17:51:53 +02:00
172 changed files with 8713 additions and 104838 deletions
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,17 +1,15 @@
 image: registry.gitlab.com/openstapps/projectmanagement/node

-cache:
-  key: ${CI_COMMIT_REF_SLUG}
-  paths:
-    - node_modules
-
 before_script:
  - npm install

 stages:
  - build
+  - review
  - test
+  - audit
  - deploy
+  - publish

 build:
  tags:
@@ -24,8 +22,48 @@ build:
      - lib
    expire_in: 1 week

+build-ts-3.8.3:
+  tags:
+    - performance
+  stage: build
+  script:
+    - npm uninstall typescript
+    - npm install typescript@3.8.3
+    - npm run build
+
+docs_review:
+  dependencies:
+    - build
+  stage: review
+  script:
+    - npm run documentation
+    - ./node_modules/.bin/surge -p ./docs -d https://$CI_PROJECT_PATH_SLUG-$CI_ENVIRONMENT_SLUG.surge.sh/
+  when: manual
+  environment:
+    name: review/$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_NAME
+    url: https://$CI_PROJECT_PATH_SLUG-$CI_ENVIRONMENT_SLUG.surge.sh/
+    on_stop: stop_review
+  except:
+    - master
+    - develop
+  tags:
+    - secrecy
+
+stop_review:
+  stage: review
+  variables:
+    GIT_STRATEGY: none
+  script:
+    - ./node_modules/.bin/surge teardown $CI_PROJECT_PATH_SLUG-$CI_ENVIRONMENT_SLUG.surge.sh
+  when: manual
+  environment:
+    name: review/$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_NAME
+    action: stop
+  tags:
+    - secrecy
+
 audit:
-  stage: test
+  stage: audit
  script:
    - npm audit
  allow_failure: true
@@ -33,9 +71,9 @@ audit:
    - schedules

 scheduled-audit:
-  stage: test
+  stage: audit
  script:
-    - npm audit
+    - npm audit --audit-level=high
  only:
    - schedules

@@ -50,6 +88,36 @@ test:
      - report
      - coverage

+mapping:
+  tags:
+    - performance
+  dependencies:
+    - build
+  stage: test
+  services:
+    - name: registry.gitlab.com/openstapps/database:master
+      alias: elasticsearch
+  script:
+    - npm run mappings-integration
+  artifacts:
+    paths:
+      - lib
+
+package:
+  dependencies:
+    - build
+  tags:
+    - secrecy
+  stage: publish
+  script:
+    - echo "//registry.npmjs.org/:_authToken=$NPM_AUTH_TOKEN" > ~/.npmrc
+    - npm publish
+  only:
+    - /^v[0-9]+.[0-9]+.[0-9]+$/
+  artifacts:
+    paths:
+      - lib
+
 pages:
  stage: deploy
  script:
--- a/.mailmap
+++ b/.mailmap
@@ -0,0 +1,5 @@
+Rainer Killinger <mail-openstapps@killinger.co> Rainer Killinger <git@killinger.co>
+Rainer Killinger <mail-openstapps@killinger.co> Rainer Killinger <killinge@hrz.uni-frankfurt.de>
+Rainer Killinger <mail-openstapps@killinger.co> Rainer Killinger <killinger@hrz.uni-frankfurt.de>
+Wieland Schöbl <wulkanat@gmail.com> wulkanat@gmail.com <wulkanat@gmail.com>
+Wieland Schöbl <wulkanat@gmail.com> Wieland Schöbl <wieland.schoebl@campus.tu-berlin.de>
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,300 @@
+## [0.49.2](https://gitlab.com/openstapps/core/compare/v0.49.1...v0.49.2) (2021-08-17)
+
+
+
+## [0.49.1](https://gitlab.com/openstapps/core/compare/v0.49.0...v0.49.1) (2021-08-13)
+
+
+### Bug Fixes
+
+* documentation generation ([8a28d6f](https://gitlab.com/openstapps/core/commit/8a28d6fa8657d778d6ae0d38cda7da3531d6478c))
+
+
+
+# [0.49.0](https://gitlab.com/openstapps/core/compare/v0.48.0...v0.49.0) (2021-08-12)
+
+
+### Features
+
+* add elasticsearch mappings to build ([21eeecd](https://gitlab.com/openstapps/core/commit/21eeecd5ee0d68a4faa93bb70d2187ce35807b01))
+
+
+
+# [0.48.0](https://gitlab.com/openstapps/core/compare/v0.47.0...v0.48.0) (2021-07-14)
+
+
+### Bug Fixes
+
+* correct parameter name of thing update route ([872c1f5](https://gitlab.com/openstapps/core/commit/872c1f5fc3884b6df6f5025287873d98b27dd6b1))
+
+
+### Features
+
+* support geo shape queries ([882483e](https://gitlab.com/openstapps/core/commit/882483ee2490938014904bc26687bd1648992ae6))
+
+
+
+# [0.47.0](https://gitlab.com/openstapps/core/compare/v0.46.0...v0.47.0) (2021-06-15)
+
+
+### Bug Fixes
+
+* set date-series frequency non translatable ([4a4cd4e](https://gitlab.com/openstapps/core/commit/4a4cd4e6d4b01ac34b5338dfcf4aeb959f54461d))
+
+
+### Features
+
+* make SCDateSeries.frequency compliant with schema.org ([942cd11](https://gitlab.com/openstapps/core/commit/942cd1146966aa9e60321160489a6605877925e9))
+
+
+
+# [0.46.0](https://gitlab.com/openstapps/core/compare/v0.45.0...v0.46.0) (2021-05-04)
+
+
+### Features
+
+* change range offer to use date range ([9c6972a](https://gitlab.com/openstapps/core/commit/9c6972af787678567409877b6bc9f9417e1374e2))
+
+
+
+# [0.45.0](https://gitlab.com/openstapps/core/compare/v0.44.0...v0.45.0) (2021-04-26)
+
+
+
+# [0.44.0](https://gitlab.com/openstapps/core/compare/v0.43.0...v0.44.0) (2021-04-12)
+
+
+### Features
+
+* add support for multiple values in the value filter ([913c569](https://gitlab.com/openstapps/core/commit/913c5691da46ad2591fe14bcf7286f12b29ab5ee))
+
+
+
+# [0.43.0](https://gitlab.com/openstapps/core/compare/v0.42.0...v0.43.0) (2021-04-07)
+
+
+
+# [0.42.0](https://gitlab.com/openstapps/core/compare/v0.41.0...v0.42.0) (2021-02-16)
+
+
+
+# [0.41.0](https://gitlab.com/openstapps/core/compare/v0.40.0...v0.41.0) (2021-02-08)
+
+
+### Bug Fixes
+
+* add date, numeric range filter to SCSearchFilter ([8510f11](https://gitlab.com/openstapps/core/commit/8510f11d7b4c62a6b239a70f47fe07e8cc86ab63))
+
+
+
+# [0.40.0](https://gitlab.com/openstapps/core/compare/v0.39.0...v0.40.0) (2021-02-05)
+
+
+### Features
+
+* add range filter, date sorting support ([29bc006](https://gitlab.com/openstapps/core/commit/29bc00616e87a8d346d8c304fab2e3818921c75e))
+
+
+
+# [0.39.0](https://gitlab.com/openstapps/core/compare/v0.38.1...v0.39.0) (2020-12-01)
+
+
+### Features
+
+* extend property value translation retrival ([a246bde](https://gitlab.com/openstapps/core/commit/a246bdea84e0ca390be6ab38723d637626db87d2))
+
+
+
+## [0.38.1](https://gitlab.com/openstapps/core/compare/v0.38.0...v0.38.1) (2020-11-02)
+
+
+
+# [0.38.0](https://gitlab.com/openstapps/core/compare/v0.37.0...v0.38.0) (2020-10-30)
+
+
+
+# [0.37.0](https://gitlab.com/openstapps/core/compare/v0.36.0...v0.37.0) (2020-09-23)
+
+
+### Bug Fixes
+
+* remove keyword tag from steps ([c369c85](https://gitlab.com/openstapps/core/commit/c369c8520a2eed169555a35a50ce745c08e1f9da))
+* remove redundant property declaration ([66075ef](https://gitlab.com/openstapps/core/commit/66075ef99b95198a9cd5c0a396603e089221bcd9))
+
+
+
+# [0.36.0](https://gitlab.com/openstapps/core/compare/v0.35.0...v0.36.0) (2020-07-16)
+
+
+### Features
+
+* add function to get translated SCThingType ([fe7f1a5](https://gitlab.com/openstapps/core/commit/fe7f1a53ae46e052e23f1b39851f1547b5a8dded))
+
+
+
+# [0.35.0](https://gitlab.com/openstapps/core/compare/v0.34.0...v0.35.0) (2020-05-13)
+
+
+
+# [0.34.0](https://gitlab.com/openstapps/core/compare/v0.33.0...v0.34.0) (2020-04-21)
+
+
+### Features
+
+* add [@sortable](https://gitlab.com/sortable) tags to certain translatable properties ([f5e8856](https://gitlab.com/openstapps/core/commit/f5e88569eb75578febbcde67259c0c14563e53fe))
+* annotate SCThing uid and url as filterable ([70c1a3e](https://gitlab.com/openstapps/core/commit/70c1a3eaa3d1c88f4b86f0df86d0d362ad1f930c))
+* Update src/things/book.ts - made ISBN optional ([6060113](https://gitlab.com/openstapps/core/commit/6060113df56b871bb5014a8a961974895e52158f))
+
+
+
+# [0.33.0](https://gitlab.com/openstapps/core/compare/v0.32.0...v0.33.0) (2020-02-11)
+
+
+
+# [0.32.0](https://gitlab.com/openstapps/core/compare/v0.31.0...v0.32.0) (2020-02-04)
+
+
+### Features
+
+* make SCContactPoint extend SCThing ([0d89b14](https://gitlab.com/openstapps/core/commit/0d89b1493293f83e9096615f653a6094519d59f2))
+
+
+
+# [0.31.0](https://gitlab.com/openstapps/core/compare/v0.30.0...v0.31.0) (2019-11-14)
+
+
+### Bug Fixes
+
+* remove categories from custom translations ([9658f05](https://gitlab.com/openstapps/core/commit/9658f05d31366b3735da3aa548ef5ed0255d8054))
+* translator can now handle enum translations ([abda5cf](https://gitlab.com/openstapps/core/commit/abda5cf0caead37f085431e1e5a9771b79272ec6))
+
+
+
+# [0.30.0](https://gitlab.com/openstapps/core/compare/v0.29.0...v0.30.0) (2019-11-08)
+
+
+### Features
+
+* add aggregatable tag for type field ([443cb74](https://gitlab.com/openstapps/core/commit/443cb748fba1575f5f1e16c550fd33eb7fa7901c))
+* add new field sequenceIndex to message ([01f92ba](https://gitlab.com/openstapps/core/commit/01f92baa985013bfe1c79fad60351fdaf44bd676))
+
+
+
+# [0.29.0](https://gitlab.com/openstapps/core/compare/v0.28.0...v0.29.0) (2019-09-17)
+
+
+### Features
+
+* add mappingIgnoredTags property to SCBackend ([149f3ff](https://gitlab.com/openstapps/core/commit/149f3ffff15dce27337665abba520d11bc3014dd))
+
+
+
+# [0.28.0](https://gitlab.com/openstapps/core/compare/v0.27.0...v0.28.0) (2019-09-10)
+
+
+### Features
+
+* add onlyOnType field for SCFacet ([fba63db](https://gitlab.com/openstapps/core/commit/fba63db137c52212113545be1062d760f0c4213f))
+
+
+
+# [0.27.0](https://gitlab.com/openstapps/core/compare/v0.26.0...v0.27.0) (2019-09-03)
+
+
+### Features
+
+* add [@filterable](https://gitlab.com/filterable) tags ([fec3371](https://gitlab.com/openstapps/core/commit/fec33715add996ae0a7125ad00ee043d288c6671))
+
+
+
+# [0.26.0](https://gitlab.com/openstapps/core/compare/v0.25.0...v0.26.0) (2019-08-19)
+
+
+### Bug Fixes
+
+* complete german translations ([bad15dc](https://gitlab.com/openstapps/core/commit/bad15dc8728954ee6ee23fa68c471647328830b9))
+
+
+### Features
+
+* add pluginRequestTimeout field to backend config ([88f579e](https://gitlab.com/openstapps/core/commit/88f579e09bc5e7726dbc4fc788737ba49a0801cd))
+
+
+
+# [0.25.0](https://gitlab.com/openstapps/core/compare/v0.24.0...v0.25.0) (2019-07-25)
+
+
+### Bug Fixes
+
+* correct package job ([d4a8ef6](https://gitlab.com/openstapps/core/commit/d4a8ef6a9ca69849f8b981804da45e4ba907f37b))
+
+
+
+# [0.24.0](https://gitlab.com/openstapps/core/compare/v0.23.1...v0.24.0) (2019-07-23)
+
+
+### Features
+
+* add new field receivingOrganisations to message ([d781dd6](https://gitlab.com/openstapps/core/commit/d781dd6de5cc7572b9218df959247b93cb2db305))
+
+
+
+## [0.23.1](https://gitlab.com/openstapps/core/compare/v0.23.0...v0.23.1) (2019-07-15)
+
+
+### Bug Fixes
+
+* use correct generic for the distance filter ([f262a6b](https://gitlab.com/openstapps/core/commit/f262a6b8fa7a9d40234569ec490d5ef8e9437a75))
+
+
+### Features
+
+* add type maps from routes to requests and responses ([e1d4b2b](https://gitlab.com/openstapps/core/commit/e1d4b2bc9de60a2332788c9a2264760d151c8813)), closes [#80](https://gitlab.com/openstapps/core/issues/80)
+
+
+
+# [0.23.0](https://gitlab.com/openstapps/core/compare/v0.22.0...v0.23.0) (2019-07-03)
+
+
+### Features
+
+* add mapping type from response to request and vice versa ([c18e3c1](https://gitlab.com/openstapps/core/commit/c18e3c15f1940338b6872343f6b20dba6346f84b)), closes [#80](https://gitlab.com/openstapps/core/issues/80)
+* support 404 (resource not found) error on plugin register route ([43851d2](https://gitlab.com/openstapps/core/commit/43851d2d358c4c342a80a863b059a6447c819c04))
+
+
+
+# [0.22.0](https://gitlab.com/openstapps/core/compare/v0.21.0...v0.22.0) (2019-06-28)
+
+
+
+# [0.21.0](https://gitlab.com/openstapps/core/compare/v0.20.0...v0.21.0) (2019-06-19)
+
+
+### Features
+
+* add ES annotations ([9c424b0](https://gitlab.com/openstapps/core/commit/9c424b0f96da26d3aae9ffaadb2c640e7369ca7e))
+* add static typed test for consistency ([ff1f554](https://gitlab.com/openstapps/core/commit/ff1f554e0beacb5ce2f3308c8212e2b8e4d8cbb0)), closes [#71](https://gitlab.com/openstapps/core/issues/71)
+
+
+
+# [0.20.0](https://gitlab.com/openstapps/core/compare/v0.19.0...v0.20.0) (2019-06-11)
+
+
+### Bug Fixes
+
+* add translations for every SCThing ([f847a2a](https://gitlab.com/openstapps/core/commit/f847a2aa0cf576e2fd79197cdc7795638d929136))
+* rename properties floor and message so that they are not identical to SCThingTypes ([78b64ba](https://gitlab.com/openstapps/core/commit/78b64bae08d9ca12badaedf921a24fa5ffe90552))
+
+
+
 # [0.19.0](https://gitlab.com/openstapps/core/compare/v0.18.0...v0.19.0) (2019-05-17)


 ### Bug Fixes

-* add thing without references, split thing ([da0507e](https://gitlab.com/openstapps/core/commit/da0507e)), closes [#69](https://gitlab.com/openstapps/core/issues/69)
-* adjust model to remove references from things without references ([ca72c20](https://gitlab.com/openstapps/core/commit/ca72c20)), closes [#69](https://gitlab.com/openstapps/core/issues/69)
-* remove references from origins ([1d6a2b7](https://gitlab.com/openstapps/core/commit/1d6a2b7)), closes [#69](https://gitlab.com/openstapps/core/issues/69)
+* add thing without references, split thing ([da0507e](https://gitlab.com/openstapps/core/commit/da0507ee341af75cd15dddeeb3f4cbe08899434c)), closes [#69](https://gitlab.com/openstapps/core/issues/69)
+* adjust model to remove references from things without references ([ca72c20](https://gitlab.com/openstapps/core/commit/ca72c20bd098032745ed0eb6978902b6ff6feac5)), closes [#69](https://gitlab.com/openstapps/core/issues/69)
+* remove references from origins ([1d6a2b7](https://gitlab.com/openstapps/core/commit/1d6a2b7841e9c38e68c9e5c718377a9c04fe50d6)), closes [#69](https://gitlab.com/openstapps/core/issues/69)



@@ -14,7 +303,7 @@

 ### Features

-* add study module interface ([d3790ad](https://gitlab.com/openstapps/core/commit/d3790ad))
+* add study module interface ([d3790ad](https://gitlab.com/openstapps/core/commit/d3790adbd82417923d79b4a5a35c74fcaab3e050))



@@ -31,13 +320,13 @@

 ### Bug Fixes

-* change SCThingMeta getInstance() return value ([4986042](https://gitlab.com/openstapps/core/commit/4986042))
-* resolve issues with things that can be offered ([623ed61](https://gitlab.com/openstapps/core/commit/623ed61)), closes [#41](https://gitlab.com/openstapps/core/issues/41)
+* change SCThingMeta getInstance() return value ([4986042](https://gitlab.com/openstapps/core/commit/4986042428e24a04b73fb03d71c01353588419a7))
+* resolve issues with things that can be offered ([623ed61](https://gitlab.com/openstapps/core/commit/623ed613a9405b53a86a33c13d48bc49d48de1ce)), closes [#41](https://gitlab.com/openstapps/core/issues/41)


 ### Features

-* provide context based search ([3242411](https://gitlab.com/openstapps/core/commit/3242411))
+* provide context based search ([3242411](https://gitlab.com/openstapps/core/commit/324241176849b338bee9f5d1dcaf1109f47a8bb9))



@@ -46,7 +335,7 @@

 ### Features

-* add model for plugin register route ([8188731](https://gitlab.com/openstapps/core/commit/8188731))
+* add model for plugin register route ([8188731](https://gitlab.com/openstapps/core/commit/81887315f8c3038ec37c2197db8e193da835f6fc))



@@ -55,14 +344,14 @@

 ### Bug Fixes

-* correct isThing guard ([67868e9](https://gitlab.com/openstapps/core/commit/67868e9))
-* update tslint  dependencies ([bbe4fca](https://gitlab.com/openstapps/core/commit/bbe4fca))
+* correct isThing guard ([67868e9](https://gitlab.com/openstapps/core/commit/67868e9eb810de94ca0bb6e1298799ee3f550145))
+* update tslint  dependencies ([bbe4fca](https://gitlab.com/openstapps/core/commit/bbe4fcac42c21c68b5c6aa6bcf9bbdecfdf84de7))


 ### Features

-* add conditional "maps" for associated types ([c8bda2e](https://gitlab.com/openstapps/core/commit/c8bda2e)), closes [#50](https://gitlab.com/openstapps/core/issues/50)
-* provide sample JSON files with the package ([5d1e79d](https://gitlab.com/openstapps/core/commit/5d1e79d)), closes [#46](https://gitlab.com/openstapps/core/issues/46)
+* add conditional "maps" for associated types ([c8bda2e](https://gitlab.com/openstapps/core/commit/c8bda2eae7f44ec4a284cc26fc85051a9a45e192)), closes [#50](https://gitlab.com/openstapps/core/issues/50)
+* provide sample JSON files with the package ([5d1e79d](https://gitlab.com/openstapps/core/commit/5d1e79d4879e6ce8f43d4cebb9d8c8500d5d16b7)), closes [#46](https://gitlab.com/openstapps/core/issues/46)



@@ -71,12 +360,12 @@

 ### Bug Fixes

-* add todo to SCThingsWithoutDiff and SCClasses ([9a49442](https://gitlab.com/openstapps/core/commit/9a49442)), closes [#39](https://gitlab.com/openstapps/core/issues/39)
+* add todo to SCThingsWithoutDiff and SCClasses ([9a49442](https://gitlab.com/openstapps/core/commit/9a49442902a9f49439083a9197bd9f0a231d007d)), closes [#39](https://gitlab.com/openstapps/core/issues/39)


 ### Features

-* add SCThingTranslator class. move functionality accordingly ([90e3d22](https://gitlab.com/openstapps/core/commit/90e3d22))
+* add SCThingTranslator class. move functionality accordingly ([90e3d22](https://gitlab.com/openstapps/core/commit/90e3d2239921bbfcea27b64aef9344ffee270b6d))



@@ -85,8 +374,8 @@

 ### Features

-* add laboratory and computer as room categories ([a0ab72e](https://gitlab.com/openstapps/core/commit/a0ab72e)), closes [#33](https://gitlab.com/openstapps/core/issues/33)
-* add maxRequestBodySize in backend configuration ([b5bd09e](https://gitlab.com/openstapps/core/commit/b5bd09e))
+* add laboratory and computer as room categories ([a0ab72e](https://gitlab.com/openstapps/core/commit/a0ab72e597f6a14cfc0bd8935e1ef765b86b90f7)), closes [#33](https://gitlab.com/openstapps/core/issues/33)
+* add maxRequestBodySize in backend configuration ([b5bd09e](https://gitlab.com/openstapps/core/commit/b5bd09e40bfb49463815538ebaa44ff53b5d7b92))



@@ -95,7 +384,7 @@

 ### Features

-* add model for requestBodyTooLargeError ([bc3a0f6](https://gitlab.com/openstapps/core/commit/bc3a0f6))
+* add model for requestBodyTooLargeError ([bc3a0f6](https://gitlab.com/openstapps/core/commit/bc3a0f6d11cba836a55cbd5787d68cfe655b68a6))



@@ -108,7 +397,7 @@

 ### Features

-* add config for maximum queries ([c7ab473](https://gitlab.com/openstapps/core/commit/c7ab473))
+* add config for maximum queries ([c7ab473](https://gitlab.com/openstapps/core/commit/c7ab47397e2a33b1c460b9038cbf53fec148316d))



@@ -125,7 +414,7 @@

 ### Features

-* add model for syntax error ([a3f9fcb](https://gitlab.com/openstapps/core/commit/a3f9fcb))
+* add model for syntax error ([a3f9fcb](https://gitlab.com/openstapps/core/commit/a3f9fcbfb0c35206adabc95792de076518f604f7))



@@ -134,7 +423,7 @@

 ### Features

-* add draft of todo ([2860a11](https://gitlab.com/openstapps/core/commit/2860a11))
+* add draft of todo ([2860a11](https://gitlab.com/openstapps/core/commit/2860a11b618081ab88ecb1780a280cab37217a0e))



@@ -143,13 +432,13 @@

 ### Bug Fixes

-* set larger v8 stack size ([d3d08e7](https://gitlab.com/openstapps/core/commit/d3d08e7))
+* set larger v8 stack size ([d3d08e7](https://gitlab.com/openstapps/core/commit/d3d08e7735808d4eae5aab4b263e36047c608679))


 ### Features

-* add different origin types: remote and user ([13a4965](https://gitlab.com/openstapps/core/commit/13a4965)), closes [#12](https://gitlab.com/openstapps/core/issues/12)
-* add saveable thing for saving user/client data ([a4f3fab](https://gitlab.com/openstapps/core/commit/a4f3fab)), closes [#12](https://gitlab.com/openstapps/core/issues/12)
+* add different origin types: remote and user ([13a4965](https://gitlab.com/openstapps/core/commit/13a49650c4498f6edbe17c9de3598e0180b866da)), closes [#12](https://gitlab.com/openstapps/core/issues/12)
+* add saveable thing for saving user/client data ([a4f3fab](https://gitlab.com/openstapps/core/commit/a4f3fab033ca18352c0119061f2d0e64252d4bbb)), closes [#12](https://gitlab.com/openstapps/core/issues/12)



@@ -158,7 +447,7 @@

 ### Features

-* use tag [@validatable](https://gitlab.com/validatable) to mark schema types ([7f248ee](https://gitlab.com/openstapps/core/commit/7f248ee))
+* use tag [@validatable](https://gitlab.com/validatable) to mark schema types ([7f248ee](https://gitlab.com/openstapps/core/commit/7f248eea13c732a95c4ee8e1bc91afeee52e8c2d))



@@ -167,9 +456,9 @@

 ### Features

-* add base scheme for academic degrees ([85c8fc4](https://gitlab.com/openstapps/core/commit/85c8fc4))
-* add schema for course of studies ([2d4a76a](https://gitlab.com/openstapps/core/commit/2d4a76a))
-* add tool to generate documentation for routes ([1a07df2](https://gitlab.com/openstapps/core/commit/1a07df2))
+* add base scheme for academic degrees ([85c8fc4](https://gitlab.com/openstapps/core/commit/85c8fc49c14b0ce45cf0cfdaf46c1ebe43b23ec7))
+* add schema for course of studies ([2d4a76a](https://gitlab.com/openstapps/core/commit/2d4a76a555603a395c81a7a92ce5d95ed04de9de))
+* add tool to generate documentation for routes ([1a07df2](https://gitlab.com/openstapps/core/commit/1a07df2d676895264f43b0138645d7c13f60c9db))



@@ -177,12 +466,12 @@



-## [0.0.1](https://gitlab.com/openstapps/core/compare/2d770dd...v0.0.1) (2018-11-29)
+## [0.0.1](https://gitlab.com/openstapps/core/compare/2d770dde4464dc4cf4cdc29927aa4e4382914148...v0.0.1) (2018-11-29)


 ### Features

-* add core ([2d770dd](https://gitlab.com/openstapps/core/commit/2d770dd))
+* add core ([2d770dd](https://gitlab.com/openstapps/core/commit/2d770dde4464dc4cf4cdc29927aa4e4382914148))



--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -28,6 +28,33 @@ The [core tools](https://openstapps.gitlab.io/core-tools) are more or less not d

 App and connectors should be updated regularly to new releases of the core but not as important like API and backend. Since the app is just a view for the data stored in the backend it is not necessary to be up to date with the newest core immediately and the connectors are developed independently by every school and up to their responsibility.

+## Adding new Types
+
+Adding new types requires changes at multiple locations for it to work correctly
+
+### Required changes
+* Add your SCThing and SCThingWithoutReferences to `src/things/your-thing-name.ts` and make them extend `SCThingWithoutReferences` and `SCThing` respectively
+* Add your SCThingMeta to `src/things/your-thing-name.ts` and make it extend `SCThingMeta`
+* Add your SCThingMeta to `SCClasses` in `src/meta.ts`
+* Add your SCThing to `SCThingsWithoutDiff` in `src/meta.ts`
+* Add your SCThingWithoutReferences to `SCAssociatedThingWithoutReferences` in `src/meta.ts`
+* Add your SCThing to `SCAssociatedThing` in `src/meta.ts`
+* Add your SCThing to the `SCThingType` enum in `src/things/abstract/thing.ts`
+* Add an example file for your SCThing in `test/resources/YourThingName.json`
+* Add the following lines for your SCThing in `test/type.spec.ts`: 
+```typescript
+/**
+ * Types of properties of SCYourThingName
+ */
+type SCYourThingNamePropertyTypes = PropertyTypesNested<SCYourThingName>;
+assert<NotHas<SCYourThingNamePropertyTypes, SCThingWithoutReferences>>(false);
+assert<Has<SCYourThingNamePropertyTypes, SCThingWithoutReferences>>(true);
+assert<NotHas<SCYourThingNamePropertyTypes, SCThing>>(true);
+assert<Has<SCYourThingNamePropertyTypes, SCThing>>(false);
+assert<Extends<SCYourThingNameWithoutReferences, SCThing>>(false);
+assert<Extends<SCYourThingName, SCThing>>(true);
+```
+
 ## Additional coding style

 ### Extract inline type definitions 
--- a/README.md
+++ b/README.md
@@ -29,3 +29,24 @@ To generate a documentation for the routes use the following command.
 ```shell
 node --require ts-node/register src/cli.ts routes PATH/TO/ROUTES.md
 ```
+
+### Annotations
+
+Annotations are used to add additional informations to fields, which are used to autogenerate mappings from the core objects. 
+External dependencies can not be covered by the annotations. Documentation about some of the annotations can be found in: [typedoc](https://typedoc.org/guides/doccomments/)
+
+| annotation        | description                                                                                                             | parameters                                                                       |
+|-------------------|-------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------|
+| `@aggregatable`   | used for generating of aggregations of the field if the core schema is used to put data into a database/key-value store | whether the property is being used on the top type or across all types: `global` |
+| `@float`          | number field is interpreted as float                                                                                    |                                                                                  |
+| `@indexable`      | marks the type as indexable if the core schema is used to put data into a database/key-value store                      |                                                                                  |
+| `@integer`        | number field is interpreted as integer                                                                                  |                                                                                  |
+| `@keyword`        | string field is interpreted as keyword                                                                                  |                                                                                  |
+| `@sortable`       | field is sortable if the core schema is used to put data into a database/key-value store. Fields are always sortable through generic sort, even without annotation.                                | sort method to be used: `ducet`, `price`, `distance`                             |
+| `@text`           | string field is interpreted as text                                                                                     |                                                                                  |
+| `@date`  | string field is interpreted as a date field | |
+| `@validatable`    | Marks the type for json schema generation, which can be checked at runtime. Any top-level type that is put into a database should always be marked as validatable.                   |                                                                                  |
+| `@filterable`     | non-object/nested field is filterable if the core schema is used to put data into a database/key-value store            |                                                                                  |
+| `@inheritTags`    | inherit all tags from another field                                                                                     | `[SCThingType]::[field]`                                                         |
+
+*Note: tags ignore casing, but for consistency they should use the variants proposed here.*
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@openstapps/core",
-  "version": "0.20.0",
+  "version": "0.49.3",
  "description": "StAppsCore - Generalized model of data",
  "keywords": [
    "Model",
@@ -14,81 +14,102 @@
  "main": "./lib/index.js",
  "types": "./lib/index.d.ts",
  "scripts": {
-    "build": "npm run tslint && npm run compile && npm run pack && npm run schema",
+    "build": "npm run tslint && npm run compile && npm run pack && npm run schema && npm run mappings",
    "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s -r 0 && git add CHANGELOG.md && git commit -m 'docs: update changelog'",
    "check-configuration": "openstapps-configuration",
    "compile": "rimraf lib && tsc",
-    "documentation": "typedoc --name \"@openstapps/core\" --includeDeclarations --mode modules --out docs --readme README.md --listInvalidSymbolLinks lib",
+    "documentation": "typedoc --name \"@openstapps/core\" --includeVersion --out docs --readme README.md --listInvalidSymbolLinks src",
    "pack": "openstapps-core-tools pack",
+    "postversion": "npm run changelog",
    "prepublishOnly": "npm ci && npm run build",
-    "schema": "node --max-old-space-size=8192 --stack-size=10240 ./node_modules/.bin/openstapps-core-tools schema src/core lib/schema",
-    "test": "nyc mocha --require ts-node/register --require source-map-support/register --ui mocha-typescript test/*.spec.ts",
-    "tslint": "tslint 'src/**/*.ts'"
+    "preversion": "npm run prepublishOnly",
+    "push": "git push && git push origin \"v$npm_package_version\"",
+    "schema": "node --max-old-space-size=8192 --stack-size=10240 ./node_modules/.bin/openstapps-core-tools schema src lib/schema",
+    "mappings": "mkdir lib/mappings && openstapps-es-mapping-generator mapping ../core/src -i minlength,pattern,see,tjs-format -m lib/mappings/mappings.json -a lib/mappings/aggregations.json",
+    "mappings-integration": "openstapps-es-mapping-generator put-es-templates lib/mappings/mappings.json http://elasticsearch:9200/",
+    "test": "nyc mocha --require ts-node/register --recursive 'test/*.spec.ts'",
+    "tslint": "tslint -p tsconfig.json -c tslint.json 'src/**/*.ts'"
  },
  "author": "Karl-Philipp Wulfert <krlwlfrt@gmail.com>",
  "contributors": [
-    "Anselm Stordeur <anselmstordeur@gmail.com>",
-    "Jovan Krunić <jovan.krunic@gmail.com>",
    "Andreas Lehmann",
-    "Sebastian Lange",
-    "Rainer Killinger",
-    "Imran Hossain",
+    "Anselm Stordeur <anselmstordeur@gmail.com>",
+    "Axel Nieder-Vahrenholz",
+    "Benjamin Jöckel",
+    "Frank Nagel",
+    "Jovan Krunić <jovan.krunic@gmail.com>",
    "Michel Jonathan Schmitz",
+    "Rainer Killinger <mail-openstapps@killinger.co>",
+    "Roman Klopsch",
+    "Sebastian Lange",
    "Wieland Schöbl"
  ],
  "dependencies": {
+    "@openstapps/core-tools": "0.23.2",
    "@types/geojson": "1.0.6",
    "@types/json-patch": "0.0.30",
-    "@types/node": "10.14.6",
+    "@types/json-schema": "7.0.9",
+    "@types/node": "14.17.9",
    "fast-clone": "1.5.13",
+    "fast-deep-equal": "3.1.3",
+    "http-status-codes": "2.1.4",
    "json-patch": "0.7.0",
-    "jsonschema": "1.2.4",
-    "ts-optchain": "0.1.3"
+    "json-schema": "0.3.0",
+    "ts-optchain": "0.1.8"
  },
  "devDependencies": {
-    "@krlwlfrt/async-pool": "0.1.0",
-    "@openstapps/configuration": "0.14.0",
-    "@openstapps/core-tools": "0.6.0",
-    "@openstapps/logger": "0.1.0",
-    "@types/chai": "4.1.7",
-    "@types/rimraf": "2.0.2",
-    "chai": "4.2.0",
-    "commander": "2.20.0",
-    "conventional-changelog-cli": "2.0.21",
-    "mocha": "6.1.4",
-    "mocha-typescript": "1.1.17",
-    "nyc": "14.1.1",
-    "rimraf": "2.6.3",
-    "source-map-support": "0.5.12",
-    "ts-node": "8.1.0",
-    "tslint": "5.16.0",
-    "typedoc": "0.14.2",
-    "typescript": "3.4.5"
+    "@openstapps/configuration": "0.27.0",
+    "@openstapps/es-mapping-generator": "0.0.3",
+    "@openstapps/logger": "0.7.0",
+    "@testdeck/mocha": "0.1.2",
+    "@types/chai": "4.2.21",
+    "@types/rimraf": "3.0.1",
+    "chai": "4.3.4",
+    "conditional-type-checks": "1.0.5",
+    "conventional-changelog-cli": "2.1.1",
+    "mocha": "8.4.0",
+    "nyc": "15.1.0",
+    "rimraf": "3.0.2",
+    "source-map-support": "0.5.19",
+    "surge": "0.23.0",
+    "ts-node": "9.1.1",
+    "tslint": "6.1.3",
+    "typedoc": "0.21.5",
+    "typescript": "4.3.5"
  },
  "nyc": {
+    "all": true,
+    "branches": 90,
    "check-coverage": true,
-    "per-file": true,
-    "lines": 95,
-    "statements": 95,
-    "functions": 95,
-    "branches": 85,
-    "include": [
-      "src/core/Route.ts",
-      "src/core/Thing.ts",
-      "src/core/Translator.ts"
-    ],
    "exclude": [],
    "extension": [
      ".ts"
    ],
+    "functions": 95,
+    "include": [
+      "src/protocol/route.ts",
+      "src/things/abstract/thing.ts",
+      "src/things/abstract/thing-that-can-be-offered.ts",
+      "src/things/abstract/thing-with-categories.ts",
+      "src/translator.ts",
+      "src/guards.ts"
+    ],
+    "lines": 95,
+    "per-file": true,
    "reporter": [
      "html",
      "text-summary"
    ],
-    "all": true
+    "require": [
+      "ts-node/register"
+    ],
+    "statements": 95
  },
  "openstappsConfiguration": {
    "hasCli": false,
+    "ignoreCiEntries": [
+      "build"
+    ],
    "standardBuild": false,
    "standardDocumentation": false
  }
--- a/reflection.json
+++ b/reflection.json
--- a/src/core/types/config/App.ts
+++ b/src/core/types/config/App.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019-2021 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,9 +12,10 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+// tslint:disable-next-line:no-implicit-dependencies
 import {Polygon} from 'geojson';
-import {SCSetting} from '../../things/Setting';
-import {SCTranslations} from '../i18n';
+import {SCTranslations} from '../general/i18n';
+import {SCLanguageSetting, SCSetting, SCUserGroupSetting} from '../things/setting';

 /**
 * An app configuration menu item
@@ -111,8 +112,9 @@ export interface SCAppConfiguration {

  /**
   * A list of available settings in the app
+   * !Important! Use provided specific settings, for other settings use general SCSetting
   */
-  settings: SCSetting[];
+  settings: Array<SCUserGroupSetting | SCLanguageSetting | SCSetting>;

  /**
   * Map of store URLs
@@ -126,11 +128,11 @@ export interface SCAppConfiguration {
 }

 /**
- * 
+ * Map of features
 */
 export interface SCAppConfigurationFeature {
  /**
-   * 
+   * Whether or not widgets are enabled
   */
  widgets: boolean;
 }
@@ -148,7 +150,7 @@ export interface SCAppConfigurationStoreUrl {
   */
  ios?: string;
  /**
-   * Microsoft Store URL 
+   * Microsoft Store URL
   */
  uwp?: string;
 }
--- a/src/core/types/config/Backend.ts
+++ b/src/core/types/config/Backend.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,16 +12,23 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThingType} from '../../Thing';
-import {SCSearchSortType} from '../sorts/Abstract';
-import {SCUuid} from '../UUID';
-import {SCMap, SCRestrictedMap} from './../Map';
-import {SCMonitoringConfiguration} from './Monitoring';
+import {SCMap, SCRestrictedMap} from '../general/map';
+import {SCUuid} from '../general/uuid';
+import {SCSearchSortType} from '../protocol/search/sort';
+import {SCThingType} from '../things/abstract/thing';
+import {SCMonitoringConfiguration} from './monitoring';

 /**
 * A backend configuration
 */
 export interface SCBackendConfiguration {
+  /**
+   * The maximum amount of time (milliseconds) an external program can take to provide a response to the backend
+   *
+   * This can be used for example for Plugins.
+   */
+  externalRequestTimeout: number;
+
  /**
   * A list of hidden SC types
   *
@@ -30,6 +37,13 @@ export interface SCBackendConfiguration {
   */
  hiddenTypes: SCThingType[];

+  /**
+   * A list of tags that will be ignored by the mapping generator
+   *
+   * The ignored tags should mainly be tags that are irrelevant to the mapping. The tags should include the '@'.
+   */
+  mappingIgnoredTags: string[];
+
  /**
   * Maximum number of queries, that can be used in MultiSearchRoute
   */
@@ -96,10 +110,8 @@ export type SCSearchContext =
 * A boosting configuration for one context
 */
 export type SCBackendConfigurationSearchBoostingContext =
-  SCRestrictedMap<
-    SCSearchContext,
-    SCBackendConfigurationSearchBoostingType[]
-  >;
+  SCRestrictedMap<SCSearchContext,
+    SCBackendConfigurationSearchBoostingType[]>;

 /**
 * A boosting configuration for one SCType
@@ -176,10 +188,9 @@ export interface SCBackendInternalConfiguration {
 /**
 * Configuration of the database
 */
-export interface SCBackendConfigurationDatabaseConfiguration extends SCMap<any> {
+export interface SCBackendConfigurationDatabaseConfiguration extends SCMap<unknown> {
  /**
   * Name of the database used by the backend
   */
  name: string;
-
 }
--- a/src/core/files/ConfigFile.ts
+++ b/src/core/files/ConfigFile.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,9 +12,9 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAppConfiguration} from '../types/config/App';
-import {SCBackendConfiguration, SCBackendInternalConfiguration} from '../types/config/Backend';
-import {SCLicensePlate} from '../types/namespaces';
+import {SCLicensePlate} from '../general/namespaces';
+import {SCAppConfiguration} from './app';
+import {SCBackendConfiguration, SCBackendInternalConfiguration} from './backend';

 /**
 * A configuration file that configures app and backend
--- a/src/core/types/config/Monitoring.ts
+++ b/src/core/types/config/Monitoring.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -140,7 +140,7 @@ export interface SCMonitoringWatcher {
  /**
   * Query to execute against the database
   */
-  query: any;
+  query: unknown;

  /**
   * A list of triggers
--- a/src/core/Classes.ts
+++ b/src/core/Classes.ts
@@ -1,168 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {SCThingType} from './Thing';
-import {SCAcademicEvent, SCAcademicEventMeta, SCAcademicEventWithoutReferences} from './things/AcademicEvent';
-import {SCArticle, SCArticleMeta, SCArticleWithoutReferences} from './things/Article';
-import {SCBook, SCBookMeta, SCBookWithoutReferences} from './things/Book';
-import {SCBuilding, SCBuildingMeta, SCBuildingWithoutReferences} from './things/Building';
-import {SCCatalog, SCCatalogMeta, SCCatalogWithoutReferences} from './things/Catalog';
-import {SCCourseOfStudies, SCCourseOfStudiesMeta, SCCourseOfStudiesWithoutReferences} from './things/CourseOfStudies';
-import {SCDateSeries, SCDateSeriesMeta, SCDateSeriesWithoutReferences} from './things/DateSeries';
-import {SCDiff, SCDiffMeta, SCDiffWithoutReferences} from './things/Diff';
-import {SCDish, SCDishMeta, SCDishWithoutReferences} from './things/Dish';
-import {SCFavorite, SCFavoriteMeta, SCFavoriteWithoutReferences} from './things/Favorite';
-import {SCFloor, SCFloorMeta, SCFloorWithoutReferences} from './things/Floor';
-import {SCMessage, SCMessageMeta, SCMessageWithoutReferences} from './things/Message';
-import {SCOrganization, SCOrganizationMeta, SCOrganizationWithoutReferences} from './things/Organization';
-import {SCPerson, SCPersonMeta, SCPersonWithoutReferences} from './things/Person';
-import {SCPointOfInterest, SCPointOfInterestMeta, SCPointOfInterestWithoutReferences} from './things/PointOfInterest';
-import {SCRoom, SCRoomMeta, SCRoomWithoutReferences} from './things/Room';
-import {SCSemester, SCSemesterMeta, SCSemesterWithoutReferences} from './things/Semester';
-import {SCSetting, SCSettingMeta, SCSettingWithoutReferences} from './things/Setting';
-import {SCSportCourse, SCSportCourseMeta, SCSportCourseWithoutReferences} from './things/SportCourse';
-import {SCStudyModule, SCStudyModuleMeta, SCStudyModuleWithoutReferences} from './things/StudyModule';
-import {SCTicket, SCTicketMeta, SCTicketWithoutReferences} from './things/Ticket';
-import {SCToDo, SCToDoMeta, SCToDoWithoutReferences} from './things/ToDo';
-import {SCTour, SCTourMeta, SCTourWithoutReferences} from './things/Tour';
-import {SCVideo, SCVideoMeta, SCVideoWithoutReferences} from './things/Video';
-
-/* tslint:disable:variable-name */
-/**
- * A map of things, from type to meta data
- */
-export const SCClasses: { [K in SCThingType]: any } = {
-  /* tslint:enable */
-  'academic event': SCAcademicEventMeta,
-  'article': SCArticleMeta,
-  'book': SCBookMeta,
-  'building': SCBuildingMeta,
-  'catalog': SCCatalogMeta,
-  'course of studies': SCCourseOfStudiesMeta,
-  'date series': SCDateSeriesMeta,
-  'diff': SCDiffMeta,
-  'dish': SCDishMeta,
-  'favorite': SCFavoriteMeta,
-  'floor': SCFloorMeta,
-  'message': SCMessageMeta,
-  'organization': SCOrganizationMeta,
-  'person': SCPersonMeta,
-  'point of interest': SCPointOfInterestMeta,
-  'room': SCRoomMeta,
-  'semester': SCSemesterMeta,
-  'setting': SCSettingMeta,
-  'sport course': SCSportCourseMeta,
-  'study module': SCStudyModuleMeta,
-  'ticket': SCTicketMeta,
-  'todo': SCToDoMeta,
-  'tour': SCTourMeta,
-  'video': SCVideoMeta,
-};
-
-export type SCThingsWithoutDiff =
-  SCAcademicEvent
-  | SCArticle
-  | SCBook
-  | SCBuilding
-  | SCCatalog
-  | SCCourseOfStudies
-  | SCDateSeries
-  | SCDish
-  | SCFavorite
-  | SCFloor
-  | SCMessage
-  | SCOrganization
-  | SCPerson
-  | SCPointOfInterest
-  | SCRoom
-  | SCSemester
-  | SCSetting
-  | SCSportCourse
-  | SCStudyModule
-  | SCTicket
-  | SCToDo
-  | SCTour
-  | SCVideo;
-
-/**
- * An object that exists in the StAppsCore
- */
-export type SCThings =
-  SCThingsWithoutDiff
-  | SCDiff;
-
-/**
- * A field of a thing
- */
-export type SCThingsField = keyof SCThings | string;
-
-/**
- * Thing without references for a thing
- */
-export type SCAssociatedThingWithoutReferences<THING extends SCThings> =
-  THING extends SCAcademicEvent ? SCAcademicEventWithoutReferences :
-    THING extends SCArticle ? SCArticleWithoutReferences :
-      THING extends SCBook ? SCBookWithoutReferences :
-        THING extends SCBuilding ? SCBuildingWithoutReferences :
-          THING extends SCCatalog ? SCCatalogWithoutReferences :
-            THING extends SCCourseOfStudies ? SCCourseOfStudiesWithoutReferences :
-              THING extends SCDateSeries ? SCDateSeriesWithoutReferences :
-                THING extends SCDiff ? SCDiffWithoutReferences :
-                  THING extends SCDish ? SCDishWithoutReferences :
-                    THING extends SCFavorite ? SCFavoriteWithoutReferences :
-                      THING extends SCFloor ? SCFloorWithoutReferences :
-                        THING extends SCMessage ? SCMessageWithoutReferences :
-                          THING extends SCOrganization ? SCOrganizationWithoutReferences :
-                            THING extends SCPerson ? SCPersonWithoutReferences :
-                              THING extends SCPointOfInterest ? SCPointOfInterestWithoutReferences :
-                                THING extends SCRoom ? SCRoomWithoutReferences :
-                                  THING extends SCSemester ? SCSemesterWithoutReferences :
-                                    THING extends SCSetting ? SCSettingWithoutReferences :
-                                      THING extends SCSportCourse ? SCSportCourseWithoutReferences :
-                                        THING extends SCStudyModule ? SCStudyModuleWithoutReferences :
-                                          THING extends SCTicket ? SCTicketWithoutReferences :
-                                            THING extends SCToDo ? SCToDoWithoutReferences :
-                                              THING extends SCTour ? SCTourWithoutReferences :
-                                                THING extends SCVideo ? SCVideoWithoutReferences :
-                                                  never;
-
-/**
- * Thing for a thing without references
- */
-export type SCAssociatedThing<THING extends SCThings> =
-  THING extends SCAcademicEventWithoutReferences ? SCAcademicEvent :
-    THING extends SCArticleWithoutReferences ? SCArticle :
-      THING extends SCBookWithoutReferences ? SCBook :
-        THING extends SCBuildingWithoutReferences ? SCBuilding :
-          THING extends SCCatalogWithoutReferences ? SCCatalog :
-            THING extends SCCourseOfStudiesWithoutReferences ? SCCourseOfStudies :
-              THING extends SCDateSeriesWithoutReferences ? SCDateSeries :
-                THING extends SCDiffWithoutReferences ? SCDiff :
-                  THING extends SCDishWithoutReferences ? SCDish :
-                    THING extends SCFavoriteWithoutReferences ? SCFavorite :
-                      THING extends SCFloorWithoutReferences ? SCFloor :
-                        THING extends SCMessageWithoutReferences ? SCMessage :
-                          THING extends SCOrganizationWithoutReferences ? SCOrganization :
-                            THING extends SCPersonWithoutReferences ? SCPerson :
-                              THING extends SCPointOfInterestWithoutReferences ? SCPointOfInterest :
-                                THING extends SCRoomWithoutReferences ? SCRoom :
-                                  THING extends SCSemesterWithoutReferences ? SCSemester :
-                                    THING extends SCSettingWithoutReferences ? SCSetting :
-                                      THING extends SCSportCourseWithoutReferences ? SCSportCourse :
-                                        THING extends SCStudyModuleWithoutReferences ? SCStudyModule :
-                                          THING extends SCTicketWithoutReferences ? SCTicket :
-                                            THING extends SCToDoWithoutReferences ? SCToDo :
-                                              THING extends SCTourWithoutReferences ? SCTour :
-                                                THING extends SCVideoWithoutReferences ? SCVideo :
-                                                  never;
--- a/src/core/Route.ts
+++ b/src/core/Route.ts
@@ -1,166 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-/**
- * Possible HTTP verbs for routes
- */
-import {SCErrorResponse} from './protocol/errors/ErrorResponse';
-import {SCBookAvailabilityRequest} from './protocol/routes/bookAvailability/BookAvailabilityRequest';
-import {SCBookAvailabilityResponse} from './protocol/routes/bookAvailability/BookAvailabilityResponse';
-import {SCBulkRequest} from './protocol/routes/bulk/BulkRequest';
-import {SCBulkResponse} from './protocol/routes/bulk/BulkResponse';
-import {SCBulkAddRequest} from './protocol/routes/bulk/UID/BulkAddRequest';
-import {SCBulkAddResponse} from './protocol/routes/bulk/UID/BulkAddResponse';
-import {SCBulkDoneRequest} from './protocol/routes/bulk/UID/BulkDoneRequest';
-import {SCBulkDoneResponse} from './protocol/routes/bulk/UID/BulkDoneResponse';
-import {SCFeedbackRequest} from './protocol/routes/feedback/FeedbackRequest';
-import {SCFeedbackResponse} from './protocol/routes/feedback/FeedbackResponse';
-import {SCIndexRequest} from './protocol/routes/INDEX/IndexRequest';
-import {SCIndexResponse} from './protocol/routes/INDEX/IndexResponse';
-import {SCMultiSearchRequest} from './protocol/routes/search/MultiSearchRequest';
-import {SCMultiSearchResponse} from './protocol/routes/search/MultiSearchResponse';
-import {SCSearchRequest} from './protocol/routes/search/SearchRequest';
-import {SCSearchResponse} from './protocol/routes/search/SearchResponse';
-import {SCThingUpdateRequest} from './protocol/routes/TYPE/UID/ThingUpdateRequest';
-import {SCThingUpdateResponse} from './protocol/routes/TYPE/UID/ThingUpdateResponse';
-import {SCMap} from './types/Map';
-
-/**
- * Possible Verbs for HTTP requests
- */
-export enum SCRouteHttpVerbs {
-  GET = 'GET',
-  POST = 'POST',
-  PUT = 'PUT',
-}
-
-/**
- * The constructor of an error response
- */
-export type SCErrorResponseConstructor = new (...args: any) => SCErrorResponse;
-
-/**
- * A description of a route
- */
-export interface SCRoute {
-  /**
-   * A map of names of possible errors that can be returned by the route with their appropriate status codes
-   */
-  errorNames: SCErrorResponseConstructor[];
-
-  /**
-   * HTTP verb to use to request the route
-   */
-  method: SCRouteHttpVerbs;
-
-  /**
-   * Map of obligatory parameters and their type that have to be set via the requested path
-   */
-  obligatoryParameters?: SCMap<string>;
-
-  /**
-   * Name of the type of the request body
-   */
-  requestBodyName: string;
-
-  /**
-   * Name of the type of the response body
-   */
-  responseBodyName: string;
-
-  /**
-   * Status code for success
-   */
-  statusCodeSuccess: number;
-
-  /**
-   * URL fragment of the route
-   */
-  urlFragment: string;
-}
-
-/**
- * An abstract route
- */
-export abstract class SCAbstractRoute implements SCRoute {
-  errorNames: SCErrorResponseConstructor[] = [];
-  method: SCRouteHttpVerbs = SCRouteHttpVerbs.GET;
-  obligatoryParameters?: SCMap<string>;
-  requestBodyName = 'any';
-  responseBodyName = 'any';
-  statusCodeSuccess = 200;
-  urlFragment = '/';
-
-  public getUrlFragment(parameters?: SCMap<string>): string {
-    if (typeof parameters === 'undefined') {
-      parameters = {};
-    }
-
-    let obligatoryParameters: string[] = [];
-
-    if (typeof this.obligatoryParameters === 'object') {
-      obligatoryParameters = Object.keys(this.obligatoryParameters);
-    }
-
-    if (Object.keys(parameters).length > obligatoryParameters.length) {
-      throw new Error('Extraneous parameters provided.');
-    }
-
-    return this.urlFragment
-      .split('/')
-      .map((part) => {
-        if (part.indexOf(':') !== 0) {
-          return part;
-        }
-
-        const parameter = part.substr(1);
-
-        // @ts-ignore
-        if (typeof parameters[parameter] === 'undefined') {
-          throw new Error(`Parameter '${parameter}' not provided.`);
-        }
-
-        // @ts-ignore
-        return parameters[parameter];
-      }).join('/');
-  }
-}
-
-/**
- * Possible requests
- */
-export type SCRequests =
-  SCBookAvailabilityRequest
-  | SCBulkRequest
-  | SCBulkAddRequest
-  | SCBulkDoneRequest
-  | SCFeedbackRequest
-  | SCIndexRequest
-  | SCMultiSearchRequest
-  | SCSearchRequest
-  | SCThingUpdateRequest;
-
-/**
- * Possible responses
- */
-export type SCResponses =
-  SCBookAvailabilityResponse
-  | SCBulkResponse
-  | SCBulkAddResponse
-  | SCBulkDoneResponse
-  | SCFeedbackResponse
-  | SCIndexResponse
-  | SCMultiSearchResponse
-  | SCSearchResponse
-  | SCThingUpdateResponse;
--- a/src/core/protocol/errors/ErrorResponse.ts
+++ b/src/core/protocol/errors/ErrorResponse.ts
@@ -1,246 +0,0 @@
-/*
- * Copyright (C) 2018-2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {ValidationError} from 'jsonschema';
-import {SCPluginMetaData} from '../routes/plugin/PluginRegisterRequest';
-
-/**
- * A generic error that can be returned by the backend if somethings fails during the processing of a request
- *
- * @validatable
- */
-export interface SCErrorResponse extends Error {
-  /**
-   * Additional data that describes the error
-   */
-  additionalData?: any;
-
-  /**
-   * HTTP status code to return this error with
-   */
-  statusCode: number;
-}
-
-/**
- * An error that can be created by the backend during the processing of a request
- */
-export abstract class SCError implements SCErrorResponse {
-  /**
-   * Call stack of the error
-   */
-  stack?: string;
-
-  /**
-   * Instatiate an SCError
-   *
-   * @param name Name of the error
-   * @param message Message of the error
-   * @param statusCode  HTTP status code to return this error with
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(public name: string, public message: string, public statusCode: number, stack?: boolean) {
-    // generate stacktrace if needed
-    if (stack) {
-      this.stack = (new Error()).stack;
-    }
-  }
-}
-
-/**
- * An error that is returned when the validation of a request fails
- */
-export class SCValidationErrorResponse extends SCError {
-  /**
-   * List of validatation errors
-   */
-  additionalData: ValidationError[];
-
-  /**
-   * Create a SCValidationErrorResponse
-   *
-   * @param errors List of validation errors
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(errors: ValidationError[], stack?: boolean) {
-    super('ValidationError', 'Validation of request failed', 400, stack);
-    this.additionalData = errors;
-  }
-}
-
-/**
- * An error that is returned when the content type of the request is not supported
- */
-export class SCUnsupportedMediaTypeErrorResponse extends SCError {
-  /**
-   * Create a SCUnsupportedMediaTypeErrorResponse
-   *
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(stack?: boolean) {
-    super('UnsupportedMediaTypeError', 'Unsupported media type', 415, stack);
-  }
-}
-
-/**
- * An error that is returned, when the used HTTP method is not allowed on the requested route
- */
-export class SCMethodNotAllowedErrorResponse extends SCError {
-  /**
-   * Create a SCMethodNotAllowedErrorResponse
-   *
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(stack?: boolean) {
-    super('MethodNotAllowedError', 'HTTP method is not allowed on this route', 405, stack);
-  }
-}
-
-/**
- * An error that is returned, when the request body is too large.
- */
-export class SCRequestBodyTooLargeErrorResponse extends SCError {
-  /**
-   * Create a SCRequestBodyTooLargeErrorResponse
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(stack?: boolean) {
-    super('RequestBodyTooLargeError', 'The request body is too large.', 413, stack);
-  }
-}
-
-/**
- * An error that is returned, when to many request are submitted at once
- */
-export class SCTooManyRequestsErrorResponse extends SCError {
-  /**
-   * Create a SCTooManyRequestsErrorResponse
-   *
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(stack?: boolean) {
-    super('TooManyRequestsError', 'Too many requests. You can not submit more than 5 queries an once', 429, stack);
-  }
-}
-
-/**
- * An error that is returned when the requested route or resource was not found
- */
-export class SCNotFoundErrorResponse extends SCError {
-  /**
-   * Create a SCNotFoundErrorResponse
-   *
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(stack?: boolean) {
-    super('NotFoundError', 'Resource not found', 404, stack);
-  }
-}
-
-/**
- * An error that is returned when the request is in the right format, but contains parameters that are invalid or not
- * acceptable.
- */
-export class SCParametersNotAcceptable extends SCError {
-  /**
-   * Create a ParametersNotAcceptable
-   *
-   * @param message contains more details to what you did wrong
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(message: string, stack?: boolean) {
-    super('ParametersNotAcceptable', message, 406, stack);
-  }
-}
-
-/**
- * An error that is returned when a plugin with the same name is already registered, to prevent two copies of a plugin
- * running at the same time.
- * This usually indicates that there is more than one instance a plugin running.
- */
-export class SCPluginAlreadyRegisteredErrorResponse extends SCError {
-  /**
-   * Meta data of a registered plugin, which is in a conflict with the plugin we want to register.
-   * If the stack is disabled this is not set for security reasons
-   */
-  additionalData?: SCPluginMetaData;
-
-  /**
-   * Create a SCPluginAlreadyRegisteredError
-   *
-   * @param message Provide further information why an already registered plugin matches the one we want to register
-   * @param plugin Provides meta data of a registered plugin, which is in a conflict with the plugin we want to register
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(message: string, plugin: SCPluginMetaData, stack?: boolean) {
-    super('SCPluginAlreadyRegisteredError', message, 409, stack);
-    if (stack) {
-      this.additionalData = plugin;
-    }
-  }
-}
-
-/**
- * An error that is returned whenever there is an unexpected error while creating a plugin
- */
-export class SCPluginRegisteringFailedErrorResponse extends SCError {
-  /**
-   * Create a PluginRegisteringFailedError
-   *
-   * @param message Describes what went wrong wile registering the plugin
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(message: string, stack?: boolean) {
-    super('PluginRegisteringFailedError', message, 500, stack);
-  }
-}
-
-/**
- * An error that is returned whenever there is a syntax error
- */
-export class SCSyntaxErrorResponse extends SCError {
-  /**
-   * Create a SyntaxError
-   *
-   * @param message Describes the syntax error
-   * @param stack Set to true if a stack trace should be created
-   */
-  constructor(message: string, stack?: boolean) {
-    super('SyntaxError', message, 400, stack);
-  }
-}
-
-/**
- * An error that is returned, when an internal server error occurred
- */
-export class SCInternalServerErrorResponse extends SCError {
-  /**
-   * Internal error that occurred. If the stack is disabled this error is not set for security reasons
-   */
-  additionalData?: Error;
-
-  /**
-   * Create a SCInternalServerErrorResponse
-   *
-   * @param err Internal server error
-   * @param stack Set to true if a stack trace should be created
-   * and the internal server error should be displayed to the client
-   */
-  constructor(err?: Error, stack?: boolean) {
-    super('InternalServerError', 'Internal server error', 502, stack);
-
-    if (stack) {
-      this.additionalData = err;
-    }
-  }
-}
--- a/src/core/protocol/routes/INDEX/IndexResponse.ts
+++ b/src/core/protocol/routes/INDEX/IndexResponse.ts
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {SCAppConfiguration} from '../../../types/config/App';
-import {SCBackendConfiguration} from '../../../types/config/Backend';
-
-/**
- * A response to an index request
- *
- * @validatable
- */
-export interface SCIndexResponse {
-  app: SCAppConfiguration;
-
-  backend: SCBackendConfiguration;
-}
--- a/src/core/protocol/routes/TYPE/UID/ThingUpdateResponse.ts
+++ b/src/core/protocol/routes/TYPE/UID/ThingUpdateResponse.ts
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-/**
- * Response for an entity update request
- *
- * @validatable
- */
-export interface SCThingUpdateResponse {
-}
--- a/src/core/protocol/routes/bookAvailability/BookAvailabilityResponse.ts
+++ b/src/core/protocol/routes/bookAvailability/BookAvailabilityResponse.ts
@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {SCAcademicPriceGroup, SCThingThatCanBeOfferedOffer} from '../../../base/ThingThatCanBeOffered';
-
-/**
- * List of availabilities of a book
- * @validatable
- */
-export type SCBookAvailabilityResponse = Array<SCThingThatCanBeOfferedOffer<SCAcademicPriceGroup>>;
--- a/src/core/protocol/routes/bulk/UID/BulkAddResponse.ts
+++ b/src/core/protocol/routes/bulk/UID/BulkAddResponse.ts
@@ -1,20 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-/**
- * Response to a request to add a thing to a bulk
- * @validatable
- */
-export interface SCBulkAddResponse {
-}
--- a/src/core/protocol/routes/bulk/UID/BulkDoneResponse.ts
+++ b/src/core/protocol/routes/bulk/UID/BulkDoneResponse.ts
@@ -1,20 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-/**
- * Response to a request to change the state of a bulk to done
- * @validatable
- */
-export interface SCBulkDoneResponse {
-}
--- a/src/core/protocol/routes/search/MultiSearchResponse.ts
+++ b/src/core/protocol/routes/search/MultiSearchResponse.ts
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2018-2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {SCMap} from '../../../types/Map';
-import {SCSearchResult} from './SearchResponse';
-
-/**
- * A multi search response
- *
- * This is a map of [[SCSearchResponse]]s indexed by name
- *
- * @validatable
- */
-export type SCMultiSearchResponse = SCMap<SCSearchResult>;
--- a/src/core/things/Book.ts
+++ b/src/core/things/Book.ts
@@ -1,130 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {
-  SCCreativeWork,
-  SCCreativeWorkMeta,
-  SCCreativeWorkTranslatableProperties,
-  SCCreativeWorkWithoutReferences,
-} from '../base/CreativeWork';
-import {SCThingWithCategoriesTranslatableProperties} from '../base/ThingWithCategories';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCPersonWithoutReferences} from './Person';
-
-/**
- * A book without references
- */
-export interface SCBookWithoutReferences
-  extends SCCreativeWorkWithoutReferences {
-  /**
-   * Edition of a book
-   */
-  bookEdition?: string;
-
-  /**
-   * ISBN of a book
-   */
-  isbn: string;
-
-  /**
-   * Number of pages of a book
-   */
-  numberOfPages?: number;
-
-  /**
-   * Translated properties of a book
-   */
-  translations?: SCTranslations<SCBookTranslatableFields>;
-
-  /**
-   * Type of a book
-   */
-  type: SCThingType.Book;
-}
-
-/**
- * A book
- *
- * @validatable
- */
-export interface SCBook
-  extends SCCreativeWork, SCBookWithoutReferences {
-  /**
-   * Authors of the creative work
-   */
-  authors: SCPersonWithoutReferences[];
-
-  /**
-   * Translated properties of a book
-   */
-  translations?: SCTranslations<SCBookTranslatableFields>;
-
-  /**
-   * Type of a book
-   */
-  type: SCThingType.Book;
-}
-
-/**
- * Translatable properties of a book
- */
-export interface SCBookTranslatableFields
-  extends SCThingWithCategoriesTranslatableProperties, SCCreativeWorkTranslatableProperties {
-  /**
-   * Translation of an edition of a book
-   */
-  bookEdition?: string;
-}
-
-/**
- * Meta information about a book
- */
-export class SCBookMeta extends SCThingMeta implements SCMetaTranslations<SCBook> {
-  /**
-   * Translations of fields
-   */
-  fieldTranslations = {
-    de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-        .de,
-      bookEdition: 'Buchausgabe',
-      isbn: 'ISBN',
-      numberOfPages: 'Seitenzahl',
-    },
-    en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-        .en,
-      bookEdition: 'book edition',
-      isbn: 'ISBN',
-      numberOfPages: 'number of pages',
-    },
-  };
-
-  /**
-   * Translations of values of fields
-   */
-  fieldValueTranslations = {
-    de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
-        .fieldValueTranslations.de,
-      type: 'Buch',
-    },
-    en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
-        .fieldValueTranslations.en,
-      type: SCThingType.Book,
-    },
-  };
-}
--- a/src/core/things/Favorite.ts
+++ b/src/core/things/Favorite.ts
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {SCSaveableThing, SCSaveableThingWithoutReferences} from '../base/SaveableThing';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCAcademicEventWithoutReferences} from './AcademicEvent';
-import {SCArticleWithoutReferences} from './Article';
-import {SCBookWithoutReferences} from './Book';
-import {SCBuildingWithoutReferences} from './Building';
-import {SCPersonWithoutReferences} from './Person';
-import {SCPointOfInterestWithoutReferences} from './PointOfInterest';
-import {SCRoomWithoutReferences} from './Room';
-import {SCSportCourseWithoutReferences} from './SportCourse';
-import {SCToDoWithoutReferences} from './ToDo';
-
-/**
- * Types that can be made a favorite (added as a favorite)
- */
-export type SCFavoriteDataTypes = SCAcademicEventWithoutReferences
-  | SCArticleWithoutReferences
-  | SCBookWithoutReferences
-  | SCBuildingWithoutReferences
-  | SCPersonWithoutReferences
-  | SCPointOfInterestWithoutReferences
-  | SCRoomWithoutReferences
-  | SCSportCourseWithoutReferences
-  | SCToDoWithoutReferences;
-
-/**
- * A favorite without references
- */
-export interface SCFavoriteWithoutReferences
-  extends SCSaveableThingWithoutReferences {
-  // noop
-}
-
-/**
- * A favorite
- *
- * @validatable
- */
-export interface SCFavorite
-  extends SCSaveableThing<SCFavoriteDataTypes>, SCFavoriteWithoutReferences {
-  /**
-   * Type of a favorite
-   */
-  type: SCThingType.Favorite;
-}
-
-/**
- * Meta information about a favorite
- */
-export class SCFavoriteMeta
-  extends SCThingMeta {
-}
--- a/src/core/types/Guards.ts
+++ b/src/core/types/Guards.ts
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2018, 2019 StApps
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <https://www.gnu.org/licenses/>.
- */
-import {SCBulkResponse} from '../protocol/routes/bulk/BulkResponse';
-import {SCMultiSearchResponse} from '../protocol/routes/search/MultiSearchResponse';
-import {SCSearchResponse} from '../protocol/routes/search/SearchResponse';
-import {SCThing, SCThingTranslatableProperties, SCThingType, SCThingWithoutReferences} from '../Thing';
-import {SCTranslations} from './i18n';
-
-/**
- * Type guard to check if something is a SCThing
- *
- * @param something Something to check
- */
-export function isThing(something: any): something is SCThing {
-  return (
-    typeof something === 'object'
-    && typeof something.type === 'string'
-    && Object.values(SCThingType).indexOf(something.type) >= 0
-  );
-}
-
-/**
- * Type guard to check if translations exist
- *
- * @param thing Thing to check
- */
-export function isThingWithTranslations(thing: SCThingWithoutReferences)
-  : thing is SCThingWithoutReferences & { translations: SCTranslations<SCThingTranslatableProperties> } {
-  return typeof thing.translations !== 'undefined';
-}
-
-/**
- * Type guard to check if something is a bulk response
- *
- * @param something Something to check
- */
-export function isBulkResponse(something: any): something is SCBulkResponse {
-  return typeof something.expiration === 'string'
-    && typeof something.source === 'string'
-    && typeof something.state === 'string'
-    && typeof something.type === 'string'
-    && typeof something.uid === 'string';
-}
-
-/**
- * Type guard to check if something is a search response
- *
- * @param something Something to check
- */
-export function isSearchResponse(something: any): something is SCSearchResponse {
-  return Array.isArray(something.data)
-    && Array.isArray(something.facets)
-    && typeof something.pagination !== 'undefined'
-    && typeof something.pagination.count === 'number'
-    && typeof something.pagination.offset === 'number'
-    && typeof something.pagination.total === 'number'
-    && typeof something.stats !== 'undefined'
-    && typeof something.stats.time === 'number';
-}
-
-/**
- * Type guard to check if something is a multi search response
- *
- * @param something Something to check
- */
-export function isMultiSearchResponse(something: any): something is SCMultiSearchResponse {
-  return Object.keys(something).reduce((previousOnesAreSearchResponses, key) => {
-    return previousOnesAreSearchResponses && isSearchResponse(something[key]);
-  }, true as boolean);
-}
--- a/src/core/types/i18n.ts
+++ b/src/core/types/i18n.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -18,18 +18,22 @@
 export interface SCLanguage {
  /**
   * The two letter ISO 639-1 Code of the Language
+   *
+   * @filterable
   */
  code: SCLanguageCode;

  /**
   * The Fulltext name of the Language
+   *
+   * @filterable
   */
  name: SCLanguageName;
 }

 /**
 * A list of possible languages in english
- * 
+ *
 * @see https://en.wikipedia.org/wiki/ISO_639-1
 */
 export type SCLanguageName =
@@ -221,7 +225,7 @@ export type SCLanguageName =

 /**
 * A List of all possible Languages as ISO 639-1 Codes
- * 
+ *
 * @see https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
 */
 export type SCLanguageCode =
@@ -691,9 +695,9 @@ export interface SCTranslations<T> {
 */
 type RecursivePartial<T> = {
  [P in keyof T]-?:
-    T[P] extends Array<infer U> ? Array<RecursivePartial<U>> :
+  T[P] extends Array<infer U> ? Array<RecursivePartial<U>> :
    T[P] extends object ? RecursivePartial<T[P]> :
-    T[P];
+      T[P];
 };

 /**
@@ -714,6 +718,12 @@ type SCRequiredTranslation<T> = {
 * Interface to be implemented by all Meta classes
 */
 export interface SCMetaTranslations<T> {
+  /**
+   * Field translations
+   */
  fieldTranslations: SCRequiredTranslation<T>;
-  fieldValueTranslations: any;
+  /**
+   * Field value translations
+   */
+  fieldValueTranslations: unknown;
 }
--- a/src/core/types/Map.ts
+++ b/src/core/types/Map.ts
--- a/src/core/types/namespaces.ts
+++ b/src/core/types/namespaces.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
--- a/src/core/types/Time.ts
+++ b/src/core/types/Time.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -18,6 +18,8 @@
 *
 * @pattern ^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-2])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24\:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$
 * @see https://gist.github.com/philipashlock/8830168
+ *
+ * @date
 */
 export type SCISO8601Date = string;
 /* tslint:enable */
--- a/src/core/types/UUID.ts
+++ b/src/core/types/UUID.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -15,6 +15,7 @@
 /**
 * Universally unique identifier of the thing
 *
+ * @filterable
 * @pattern ^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$
 * @see http://stackoverflow.com/questions/7905929/how-to-test-valid-uuid-guid
 */
--- a/src/guards.ts
+++ b/src/guards.ts
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * unknown WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCTranslations} from './general/i18n';
+import {SCBulkResponse} from './protocol/routes/bulk-request';
+import {SCSearchResponse} from './protocol/routes/search';
+import {SCMultiSearchResponse} from './protocol/routes/search-multi';
+import {SCThing, SCThingTranslatableProperties, SCThingType, SCThingWithoutReferences} from './things/abstract/thing';
+
+/**
+ * Type guard to check if something is a SCThing
+ *
+ * @param something Something to check
+ */
+export function isThing(something: unknown): something is SCThing {
+  if (typeof something !== 'object' || something === null) {
+    return false;
+  }
+
+  if (!('type' in something)) {
+    return false;
+  }
+
+  // tslint:disable-next-line:completed-docs
+  const type = (something as { type: unknown; }).type;
+
+  if (typeof type !== 'string') {
+    return false;
+  }
+
+  return Object
+    .values(SCThingType)
+    .indexOf(type as SCThingType) >= 0;
+}
+
+/**
+ * Type guard to check if translations exist
+ *
+ * @param thing Thing to check
+ */
+export function isThingWithTranslations(thing: SCThingWithoutReferences)
+// tslint:disable-next-line:completed-docs
+  : thing is SCThingWithoutReferences & { translations: SCTranslations<SCThingTranslatableProperties>; } {
+  return typeof thing.translations !== 'undefined';
+}
+
+/**
+ * Type guard to check if something is a bulk response
+ *
+ * @param something Something to check
+ */
+export function isBulkResponse(something: unknown): something is SCBulkResponse {
+  if (typeof something !== 'object' || something === null) {
+    return false;
+  }
+
+  if (!('expiration' in something)
+    || !('source' in something)
+    || !('state' in something)
+    || !('type' in something)
+    || !('uid' in something)) {
+    return false;
+  }
+
+  const {expiration, source, state, type, uid} = something as {
+    // tslint:disable:completed-docs
+    expiration: unknown;
+    source: unknown;
+    state: unknown;
+    type: unknown;
+    uid: unknown;
+    // tslint:enable
+  };
+
+  return typeof expiration === 'string'
+    && typeof source === 'string'
+    && typeof state === 'string'
+    && typeof type === 'string'
+    && typeof uid === 'string';
+}
+
+/**
+ * Type guard to check if something is a search response
+ *
+ * @param something Something to check
+ */
+export function isSearchResponse(something: unknown): something is SCSearchResponse {
+  if (!(typeof something === 'object') || something === null) {
+    return false;
+  }
+  const somethingObject = (something as { [key: string]: { [key: string]: string; }; });
+
+  return Array.isArray(somethingObject.data)
+    && Array.isArray(somethingObject.facets)
+    && typeof somethingObject.pagination !== 'undefined'
+    && typeof somethingObject.pagination.count === 'number'
+    && typeof somethingObject.pagination.offset === 'number'
+    && typeof somethingObject.pagination.total === 'number'
+    && typeof somethingObject.stats !== 'undefined'
+    && typeof somethingObject.stats.time === 'number';
+}
+
+/**
+ * Type guard to check if something is a multi search response
+ *
+ * @param something Something to check
+ */
+export function isMultiSearchResponse(something: unknown): something is SCMultiSearchResponse {
+  const initialValue = Object.keys(something as { [key: string]: string; }).length > 0 ? true : false;
+
+  return Object.keys(something as { [key: string]: string; })
+    .reduce((previousOnesAreSearchResponses, key) => {
+      return previousOnesAreSearchResponses && isSearchResponse((something as { [key: string]: string; })[key]);
+    }, initialValue as boolean);
+}
--- a/src/meta.ts
+++ b/src/meta.ts
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2019-2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCThingType} from './things/abstract/thing';
+import {SCAcademicEvent, SCAcademicEventMeta, SCAcademicEventWithoutReferences} from './things/academic-event';
+import {SCArticle, SCArticleMeta, SCArticleWithoutReferences} from './things/article';
+import {SCBook, SCBookMeta, SCBookWithoutReferences} from './things/book';
+import {SCBuilding, SCBuildingMeta, SCBuildingWithoutReferences} from './things/building';
+import {SCCatalog, SCCatalogMeta, SCCatalogWithoutReferences} from './things/catalog';
+import {SCContactPoint, SCContactPointMeta, SCContactPointWithoutReferences} from './things/contact-point';
+import {SCCourseOfStudies, SCCourseOfStudiesMeta, SCCourseOfStudiesWithoutReferences} from './things/course-of-studies';
+import {SCDateSeries, SCDateSeriesMeta, SCDateSeriesWithoutReferences} from './things/date-series';
+import {SCDiff, SCDiffMeta, SCDiffWithoutReferences} from './things/diff';
+import {SCDish, SCDishMeta, SCDishWithoutReferences} from './things/dish';
+import {SCFavorite, SCFavoriteMeta, SCFavoriteWithoutReferences} from './things/favorite';
+import {SCFloor, SCFloorMeta, SCFloorWithoutReferences} from './things/floor';
+import {SCMessage, SCMessageMeta, SCMessageWithoutReferences} from './things/message';
+import {SCOrganization, SCOrganizationMeta, SCOrganizationWithoutReferences} from './things/organization';
+import {SCPeriodical, SCPeriodicalMeta, SCPeriodicalWithoutReferences} from './things/periodical';
+import {SCPerson, SCPersonMeta, SCPersonWithoutReferences} from './things/person';
+import {SCPointOfInterest, SCPointOfInterestMeta, SCPointOfInterestWithoutReferences} from './things/point-of-interest';
+import {
+  SCPublicationEvent,
+  SCPublicationEventMeta,
+  SCPublicationEventWithoutReferences,
+} from './things/publication-event';
+import {SCRoom, SCRoomMeta, SCRoomWithoutReferences} from './things/room';
+import {SCSemester, SCSemesterMeta, SCSemesterWithoutReferences} from './things/semester';
+import {SCSetting, SCSettingMeta, SCSettingWithoutReferences} from './things/setting';
+import {SCSportCourse, SCSportCourseMeta, SCSportCourseWithoutReferences} from './things/sport-course';
+import {SCStudyModule, SCStudyModuleMeta, SCStudyModuleWithoutReferences} from './things/study-module';
+import {SCTicket, SCTicketMeta, SCTicketWithoutReferences} from './things/ticket';
+import {SCToDo, SCToDoMeta, SCToDoWithoutReferences} from './things/todo';
+import {SCTour, SCTourMeta, SCTourWithoutReferences} from './things/tour';
+import {SCVideo, SCVideoMeta, SCVideoWithoutReferences} from './things/video';
+
+/* tslint:disable:variable-name */
+/**
+ * A map of things, from type to meta data
+ */
+export const SCClasses: { [K in SCThingType]: object } = {
+  /* tslint:enable */
+  'academic event': SCAcademicEventMeta,
+  'article': SCArticleMeta,
+  'book': SCBookMeta,
+  'building': SCBuildingMeta,
+  'catalog': SCCatalogMeta,
+  'contact point': SCContactPointMeta,
+  'course of studies': SCCourseOfStudiesMeta,
+  'date series': SCDateSeriesMeta,
+  'diff': SCDiffMeta,
+  'dish': SCDishMeta,
+  'favorite': SCFavoriteMeta,
+  'floor': SCFloorMeta,
+  'message': SCMessageMeta,
+  'organization': SCOrganizationMeta,
+  'periodical': SCPeriodicalMeta,
+  'person': SCPersonMeta,
+  'point of interest': SCPointOfInterestMeta,
+  'publication event': SCPublicationEventMeta,
+  'room': SCRoomMeta,
+  'semester': SCSemesterMeta,
+  'setting': SCSettingMeta,
+  'sport course': SCSportCourseMeta,
+  'study module': SCStudyModuleMeta,
+  'ticket': SCTicketMeta,
+  'todo': SCToDoMeta,
+  'tour': SCTourMeta,
+  'video': SCVideoMeta,
+};
+
+export type SCIndexableThings =
+  SCAcademicEvent
+  | SCArticle
+  | SCBook
+  | SCBuilding
+  | SCCatalog
+  | SCContactPoint
+  | SCCourseOfStudies
+  | SCDateSeries
+  | SCDish
+  | SCFloor
+  | SCMessage
+  | SCOrganization
+  | SCPeriodical
+  | SCPerson
+  | SCPointOfInterest
+  | SCPublicationEvent
+  | SCRoom
+  | SCSemester
+  | SCSportCourse
+  | SCStudyModule
+  | SCTicket
+  | SCToDo
+  | SCTour
+  | SCVideo;
+
+/**
+ * An object that exists in the StAppsCore
+ */
+export type SCThings =
+  SCIndexableThings
+  | SCDiff | SCFavorite | SCSetting;
+
+/**
+ * A field of a thing
+ */
+export type SCThingsField = keyof SCThings | string;
+
+/**
+ * Thing without references for a thing
+ */
+export type SCAssociatedThingWithoutReferences<THING extends SCThings> =
+  THING extends SCAcademicEvent ? SCAcademicEventWithoutReferences :
+    THING extends SCArticle ? SCArticleWithoutReferences :
+      THING extends SCBook ? SCBookWithoutReferences :
+        THING extends SCBuilding ? SCBuildingWithoutReferences :
+          THING extends SCCatalog ? SCCatalogWithoutReferences :
+            THING extends SCContactPoint ? SCContactPointWithoutReferences :
+              THING extends SCCourseOfStudies ? SCCourseOfStudiesWithoutReferences :
+                THING extends SCDateSeries ? SCDateSeriesWithoutReferences :
+                  THING extends SCDiff ? SCDiffWithoutReferences :
+                    THING extends SCDish ? SCDishWithoutReferences :
+                      THING extends SCFavorite ? SCFavoriteWithoutReferences :
+                        THING extends SCFloor ? SCFloorWithoutReferences :
+                          THING extends SCMessage ? SCMessageWithoutReferences :
+                            THING extends SCOrganization ? SCOrganizationWithoutReferences :
+                              THING extends SCPeriodical ? SCPeriodicalWithoutReferences :
+                                THING extends SCPerson ? SCPersonWithoutReferences :
+                                  THING extends SCPointOfInterest ? SCPointOfInterestWithoutReferences :
+                                    THING extends SCPublicationEvent ? SCPublicationEventWithoutReferences :
+                                      THING extends SCRoom ? SCRoomWithoutReferences :
+                                        THING extends SCSemester ? SCSemesterWithoutReferences :
+                                          THING extends SCSetting ? SCSettingWithoutReferences :
+                                            THING extends SCSportCourse ? SCSportCourseWithoutReferences :
+                                              THING extends SCStudyModule ? SCStudyModuleWithoutReferences :
+                                                THING extends SCTicket ? SCTicketWithoutReferences :
+                                                  THING extends SCToDo ? SCToDoWithoutReferences :
+                                                    THING extends SCTour ? SCTourWithoutReferences :
+                                                      THING extends SCVideo ? SCVideoWithoutReferences :
+                                                        never;
+
+/**
+ * Thing for a thing without references
+ */
+export type SCAssociatedThing<THING extends SCThings> =
+  THING extends SCAcademicEventWithoutReferences ? SCAcademicEvent :
+    THING extends SCArticleWithoutReferences ? SCArticle :
+      THING extends SCBookWithoutReferences ? SCBook :
+        THING extends SCBuildingWithoutReferences ? SCBuilding :
+          THING extends SCCatalogWithoutReferences ? SCCatalog :
+            THING extends SCContactPointWithoutReferences ? SCContactPoint :
+              THING extends SCCourseOfStudiesWithoutReferences ? SCCourseOfStudies :
+                THING extends SCDateSeriesWithoutReferences ? SCDateSeries :
+                  THING extends SCDiffWithoutReferences ? SCDiff :
+                    THING extends SCDishWithoutReferences ? SCDish :
+                      THING extends SCFavoriteWithoutReferences ? SCFavorite :
+                        THING extends SCFloorWithoutReferences ? SCFloor :
+                          THING extends SCMessageWithoutReferences ? SCMessage :
+                            THING extends SCOrganizationWithoutReferences ? SCOrganization :
+                              THING extends SCPeriodicalWithoutReferences ? SCPeriodical :
+                                THING extends SCPersonWithoutReferences ? SCPerson :
+                                  THING extends SCPointOfInterestWithoutReferences ? SCPointOfInterest :
+                                    THING extends SCPublicationEventWithoutReferences ? SCPublicationEvent :
+                                      THING extends SCRoomWithoutReferences ? SCRoom :
+                                        THING extends SCSemesterWithoutReferences ? SCSemester :
+                                          THING extends SCSettingWithoutReferences ? SCSetting :
+                                            THING extends SCSportCourseWithoutReferences ? SCSportCourse :
+                                              THING extends SCStudyModuleWithoutReferences ? SCStudyModule :
+                                                THING extends SCTicketWithoutReferences ? SCTicket :
+                                                  THING extends SCToDoWithoutReferences ? SCToDo :
+                                                    THING extends SCTourWithoutReferences ? SCTour :
+                                                      THING extends SCVideoWithoutReferences ? SCVideo :
+                                                        never;
--- a/src/protocol/error.ts
+++ b/src/protocol/error.ts
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * A generic error that can be returned by the backend if somethings fails during the processing of a request
+ *
+ * @validatable
+ */
+export interface SCErrorResponse extends Error {
+  /**
+   * Additional data that describes the error
+   */
+  additionalData?: unknown;
+
+  /**
+   * HTTP status code to return this error with
+   */
+  statusCode: number;
+}
+
+/**
+ * An error that can be created by the backend during the processing of a request
+ */
+export abstract class SCError implements SCErrorResponse {
+  /**
+   * Call stack of the error
+   */
+  stack?: string;
+
+  /**
+   * Instatiate an SCError
+   *
+   * @param name Name of the error
+   * @param message Message of the error
+   * @param statusCode  HTTP status code to return this error with
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(public name: string, public message: string, public statusCode: number, stack = false) {
+    // generate stacktrace if needed
+    if (stack) {
+      this.stack = (new Error()).stack;
+    }
+  }
+}
--- a/src/protocol/errors/internal-server-error.ts
+++ b/src/protocol/errors/internal-server-error.ts
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {BAD_GATEWAY} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned, when an internal server error occurred
+ *
+ * @validatable
+ */
+export class SCInternalServerErrorResponse extends SCError {
+  /**
+   * Internal error that occurred. If the stack is disabled this error is not set for security reasons
+   */
+  additionalData?: Error;
+
+  /**
+   * Create a SCInternalServerErrorResponse
+   *
+   * @param err Internal server error
+   * @param stack Set to true if a stack trace should be created
+   * and the internal server error should be displayed to the client
+   */
+  constructor(err?: Error, stack = false) {
+    super('InternalServerError', 'Internal server error', BAD_GATEWAY, stack);
+
+    if (stack) {
+      this.additionalData = err;
+    }
+  }
+}
--- a/src/protocol/errors/method-not-allowed.ts
+++ b/src/protocol/errors/method-not-allowed.ts
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {METHOD_NOT_ALLOWED} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned, when the used HTTP method is not allowed on the requested route
+ *
+ * @validatable
+ */
+export class SCMethodNotAllowedErrorResponse extends SCError {
+  /**
+   * Create a SCMethodNotAllowedErrorResponse
+   *
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(stack?: boolean) {
+    super('MethodNotAllowedError', 'HTTP method is not allowed on this route', METHOD_NOT_ALLOWED, stack);
+  }
+}
--- a/src/protocol/errors/not-found.ts
+++ b/src/protocol/errors/not-found.ts
@@ -12,18 +12,21 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {Point, Polygon} from 'geojson';
+import {NOT_FOUND} from 'http-status-codes';
+import {SCError} from '../error';

 /**
- * Positional information
+ * An error that is returned when the requested route or resource was not found
+ *
+ * @validatable
 */
-export interface SCGeoInformation {
+export class SCNotFoundErrorResponse extends SCError {
  /**
-   * Center point of a place
+   * Create a SCNotFoundErrorResponse
+   *
+   * @param stack Set to true if a stack trace should be created
   */
-  point: Point;
-  /**
-   * Shape of a place
-   */
-  polygon?: Polygon;
+  constructor(stack?: boolean) {
+    super('NotFoundError', 'Resource not found', NOT_FOUND, stack);
+  }
 }
--- a/src/protocol/errors/parameters-not-acceptable.ts
+++ b/src/protocol/errors/parameters-not-acceptable.ts
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {NOT_ACCEPTABLE} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned when the request is in the right format, but contains parameters that are invalid or not
+ * acceptable.
+ *
+ * @validatable
+ */
+export class SCParametersNotAcceptable extends SCError {
+  /**
+   * Create a ParametersNotAcceptable
+   *
+   * @param message contains more details to what you did wrong
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(message: string, stack?: boolean) {
+    super('ParametersNotAcceptable', message, NOT_ACCEPTABLE, stack);
+  }
+}
--- a/src/protocol/errors/plugin-already-registered.ts
+++ b/src/protocol/errors/plugin-already-registered.ts
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {CONFLICT} from 'http-status-codes';
+import {SCError} from '../error';
+import {SCPluginMetaData} from '../routes/plugin-register';
+
+/**
+ * An error that is returned when a plugin with the same name is already registered, to prevent two copies of a plugin
+ * running at the same time.
+ * This usually indicates that there is more than one instance a plugin running.
+ *
+ * @validatable
+ */
+export class SCPluginAlreadyRegisteredErrorResponse extends SCError {
+  /**
+   * Meta data of a registered plugin, which is in a conflict with the plugin we want to register.
+   * If the stack is disabled this is not set for security reasons
+   */
+  additionalData?: SCPluginMetaData;
+
+  /**
+   * Create a SCPluginAlreadyRegisteredError
+   *
+   * @param message Provide further information why an already registered plugin matches the one we want to register
+   * @param plugin Provides meta data of a registered plugin, which is in a conflict with the plugin we want to register
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(message: string, plugin: SCPluginMetaData, stack = false) {
+    super('SCPluginAlreadyRegisteredError', message, CONFLICT, stack);
+    if (stack) {
+      this.additionalData = plugin;
+    }
+  }
+}
--- a/src/protocol/errors/plugin-registering-failed.ts
+++ b/src/protocol/errors/plugin-registering-failed.ts
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {INTERNAL_SERVER_ERROR} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned whenever there is an unexpected error while creating a plugin
+ *
+ * @validatable
+ */
+export class SCPluginRegisteringFailedErrorResponse extends SCError {
+  /**
+   * Create a PluginRegisteringFailedError
+   *
+   * @param message Describes what went wrong wile registering the plugin
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(message: string, stack?: boolean) {
+    super('PluginRegisteringFailedError', message, INTERNAL_SERVER_ERROR, stack);
+  }
+}
--- a/src/protocol/errors/request-body-too-large.ts
+++ b/src/protocol/errors/request-body-too-large.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,25 +12,21 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCUuid} from '../../../types/UUID';
-import {SCBulkParameters} from './BulkRequest';
+import {REQUEST_TOO_LONG} from 'http-status-codes';
+import {SCError} from '../error';

 /**
- * Requested Bulk from backend
+ * An error that is returned, when the request body is too large.
 *
 * @validatable
 */
-export interface SCBulkResponse extends SCBulkParameters {
+export class SCRequestBodyTooLargeErrorResponse extends SCError {
  /**
-   * State of bulk
+   * Create a SCRequestBodyTooLargeErrorResponse
   *
-   * The state is `in progress` while it accepts things to be added to the bulk.
-   * The state is `done` once it is closed.
+   * @param stack Set to true if a stack trace should be created
   */
-  state: 'in progress' | 'done';
-
-  /**
-   * Universally unique identifier of the bulk
-   */
-  uid: SCUuid;
+  constructor(stack?: boolean) {
+    super('RequestBodyTooLargeError', 'The request body is too large.', REQUEST_TOO_LONG, stack);
+  }
 }
--- a/src/protocol/errors/syntax-error.ts
+++ b/src/protocol/errors/syntax-error.ts
@@ -12,21 +12,22 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCBuildingWithoutReferences} from '../things/Building';
-import {SCPointOfInterestWithoutReferences} from '../things/PointOfInterest';
-import {SCRoomWithoutReferences} from '../things/Room';
+import {BAD_REQUEST} from 'http-status-codes';
+import {SCError} from '../error';
+
 /**
- * Something that is or happens in a place
+ * An error that is returned whenever there is a syntax error
 * 
- * !Important!
- * This is not a SCThing.
+ * @validatable
 */
-export interface SCInPlace {
+export class SCSyntaxErrorResponse extends SCError {
  /**
-   * Place the thing is or happens in
+   * Create a SyntaxError
+   *
+   * @param message Describes the syntax error
+   * @param stack Set to true if a stack trace should be created
   */
-  inPlace?:
-    SCBuildingWithoutReferences
-    | SCPointOfInterestWithoutReferences
-    | SCRoomWithoutReferences;
+  constructor(message: string, stack?: boolean) {
+    super('SyntaxError', message, BAD_REQUEST, stack);
+  }
 }
--- a/src/protocol/errors/too-many-requests.ts
+++ b/src/protocol/errors/too-many-requests.ts
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {TOO_MANY_REQUESTS} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned, when to many request are submitted at once
+ * 
+ * @validatable
+ */
+export class SCTooManyRequestsErrorResponse extends SCError {
+  /**
+   * Create a SCTooManyRequestsErrorResponse
+   *
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(stack?: boolean) {
+    super(
+      'TooManyRequestsError',
+      'Too many requests. You can not submit more than 5 queries an once',
+      TOO_MANY_REQUESTS,
+      stack,
+    );
+  }
+}
--- a/src/protocol/errors/unsupported-media-type.ts
+++ b/src/protocol/errors/unsupported-media-type.ts
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {UNSUPPORTED_MEDIA_TYPE} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned when the content type of the request is not supported
+ *
+ * @validatable
+ */
+export class SCUnsupportedMediaTypeErrorResponse extends SCError {
+  /**
+   * Create a SCUnsupportedMediaTypeErrorResponse
+   *
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(stack?: boolean) {
+    super('UnsupportedMediaTypeError', 'Unsupported media type', UNSUPPORTED_MEDIA_TYPE, stack);
+  }
+}
--- a/src/protocol/errors/validation.ts
+++ b/src/protocol/errors/validation.ts
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {ValidationError} from '@openstapps/core-tools/lib/common';
+import {BAD_REQUEST} from 'http-status-codes';
+import {SCError} from '../error';
+
+/**
+ * An error that is returned when the validation of a request fails
+ *
+ * @validatable
+ */
+export class SCValidationErrorResponse extends SCError {
+  /**
+   * List of validatation errors
+   */
+  additionalData: ValidationError[];
+
+  /**
+   * Create a SCValidationErrorResponse
+   *
+   * @param errors List of validation errors
+   * @param stack Set to true if a stack trace should be created
+   */
+  constructor(errors: ValidationError[], stack?: boolean) {
+    super('ValidationError', 'Validation of request failed', BAD_REQUEST, stack);
+    this.additionalData = errors;
+  }
+}
--- a/src/protocol/route.ts
+++ b/src/protocol/route.ts
@@ -0,0 +1,240 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCMap} from '../general/map';
+import {SCErrorResponse} from './error';
+import {SCIndexRequest, SCIndexResponse, SCIndexRoute} from './routes';
+import {
+  SCBookAvailabilityRequest,
+  SCBookAvailabilityResponse,
+  SCBookAvailabilityRoute,
+} from './routes/book-availability';
+import {SCBulkAddRequest, SCBulkAddResponse, SCBulkAddRoute} from './routes/bulk-add';
+import {SCBulkDoneRequest, SCBulkDoneResponse, SCBulkDoneRoute} from './routes/bulk-done';
+import {SCBulkRequest, SCBulkResponse, SCBulkRoute} from './routes/bulk-request';
+import {SCFeedbackRequest, SCFeedbackResponse, SCFeedbackRoute} from './routes/feedback';
+import {SCSearchRequest, SCSearchResponse, SCSearchRoute} from './routes/search';
+import {SCMultiSearchRequest, SCMultiSearchResponse, SCMultiSearchRoute} from './routes/search-multi';
+import {SCThingUpdateRequest, SCThingUpdateResponse, SCThingUpdateRoute} from './routes/thing-update';
+
+/**
+ * Possible Verbs for HTTP requests
+ */
+export enum SCRouteHttpVerbs {
+  GET = 'GET',
+  POST = 'POST',
+  PUT = 'PUT',
+}
+
+/**
+ * The constructor of an error response
+ */
+// tslint:disable-next-line:no-any
+export type SCErrorResponseConstructor = new (...args: any[]) => SCErrorResponse;
+
+/**
+ * A description of a route
+ */
+export interface SCRoute {
+  /**
+   * A map of names of possible errors that can be returned by the route with their appropriate status codes
+   */
+  errorNames: SCErrorResponseConstructor[];
+
+  /**
+   * HTTP verb to use to request the route
+   */
+  method: SCRouteHttpVerbs;
+
+  /**
+   * Map of obligatory parameters and their type that have to be set via the requested path
+   */
+  obligatoryParameters?: SCMap<string>;
+
+  /**
+   * Name of the type of the request body
+   */
+  requestBodyName: string;
+
+  /**
+   * Name of the type of the response body
+   */
+  responseBodyName: string;
+
+  /**
+   * Status code for success
+   */
+  statusCodeSuccess: number;
+
+  /**
+   * URL fragment of the route
+   */
+  urlFragment: string;
+}
+
+/**
+ * An abstract route
+ */
+export abstract class SCAbstractRoute implements SCRoute {
+  /**
+   * @see SCRoute.errorNames
+   */
+  errorNames: SCErrorResponseConstructor[] = [];
+  /**
+   * @see SCRoute.method
+   */
+  method: SCRouteHttpVerbs = SCRouteHttpVerbs.GET;
+  /**
+   * @see SCRoute.obligatoryParameters
+   */
+  obligatoryParameters?: SCMap<string>;
+  /**
+   * @see SCRoute.requestBodyName
+   */
+  requestBodyName = 'any';
+  /**
+   * @see SCRoute.responseBodyName
+   */
+  responseBodyName = 'any';
+  /**
+   * @see SCRoute.statusCodeSuccess
+   */
+  statusCodeSuccess = 200;
+  /**
+   * @see SCRoute.urlFragment
+   */
+  urlFragment = '/';
+
+  /**
+   * Get "compiled" URL fragment
+   *
+   * @param parameters Parameters to compile URL fragment with
+   */
+  public getUrlFragment(parameters: SCMap<string> = {}): string {
+    let obligatoryParameters: string[] = [];
+
+    if (typeof this.obligatoryParameters === 'object') {
+      obligatoryParameters = Object.keys(this.obligatoryParameters);
+    }
+
+    if (Object.keys(parameters).length > obligatoryParameters.length) {
+      throw new Error('Extraneous parameters provided.');
+    }
+
+    return this.urlFragment
+      .split('/')
+      .map((part) => {
+        if (part.indexOf(':') !== 0) {
+          return part;
+        }
+
+        const parameter = part.substr(1);
+
+        if (typeof parameters[parameter] === 'undefined') {
+          throw new Error(`Parameter '${parameter}' not provided.`);
+        }
+
+        return parameters[parameter];
+      })
+      .join('/');
+  }
+}
+
+/**
+ * Possible requests
+ */
+export type SCRequests =
+  SCBookAvailabilityRequest
+  | SCBulkRequest
+  | SCBulkAddRequest
+  | SCBulkDoneRequest
+  | SCFeedbackRequest
+  | SCIndexRequest
+  | SCMultiSearchRequest
+  | SCSearchRequest
+  | SCThingUpdateRequest;
+
+/**
+ * Possible responses
+ */
+export type SCResponses =
+  SCBookAvailabilityResponse
+  | SCBulkResponse
+  | SCBulkAddResponse
+  | SCBulkDoneResponse
+  | SCFeedbackResponse
+  | SCIndexResponse
+  | SCMultiSearchResponse
+  | SCSearchResponse
+  | SCThingUpdateResponse;
+
+/**
+ * Associated response for a request
+ */
+export type SCAssociatedResponse<REQUEST> =
+  REQUEST extends SCBookAvailabilityRequest ? SCBookAvailabilityResponse :
+    REQUEST extends SCBulkRequest ? SCBulkResponse :
+      REQUEST extends SCBulkAddRequest ? SCBulkAddResponse :
+        REQUEST extends SCBulkDoneRequest ? SCBulkDoneResponse :
+          REQUEST extends SCFeedbackRequest ? SCFeedbackResponse :
+            REQUEST extends SCIndexRequest ? SCIndexResponse :
+              REQUEST extends SCMultiSearchRequest ? SCMultiSearchResponse :
+                REQUEST extends SCSearchRequest ? SCSearchResponse :
+                  REQUEST extends SCThingUpdateRequest ? SCThingUpdateResponse :
+                    never;
+
+/**
+ * Associated request for a response
+ */
+export type SCAssociatedRequest<RESPONSE> =
+  RESPONSE extends SCBookAvailabilityResponse ? SCBookAvailabilityRequest :
+    RESPONSE extends SCBulkResponse ? SCBulkRequest :
+      RESPONSE extends SCBulkAddResponse ? SCBulkAddRequest :
+        RESPONSE extends SCBulkDoneResponse ? SCBulkDoneRequest :
+          RESPONSE extends SCFeedbackResponse ? SCFeedbackRequest :
+            RESPONSE extends SCIndexResponse ? SCIndexRequest :
+              RESPONSE extends SCMultiSearchResponse ? SCMultiSearchRequest :
+                RESPONSE extends SCSearchResponse ? SCSearchRequest :
+                  RESPONSE extends SCThingUpdateResponse ? SCThingUpdateRequest :
+                    never;
+
+/**
+ * Associated request for a route
+ */
+export type SCAssignedRequest<ROUTE extends SCAbstractRoute> =
+  ROUTE extends SCBookAvailabilityRoute ? SCBookAvailabilityRequest :
+    ROUTE extends SCBulkRoute ? SCBulkRequest :
+      ROUTE extends SCBulkAddRoute ? SCBulkAddRequest :
+        ROUTE extends SCBulkDoneRoute ? SCBulkDoneRequest :
+          ROUTE extends SCFeedbackRoute ? SCFeedbackRequest :
+            ROUTE extends SCIndexRoute ? SCIndexRequest :
+              ROUTE extends SCMultiSearchRoute ? SCMultiSearchRequest :
+                ROUTE extends SCSearchRoute ? SCSearchRequest :
+                  ROUTE extends SCThingUpdateRoute ? SCThingUpdateRequest :
+                    never;
+
+/**
+ * Associated response for a route
+ */
+export type SCAssignedResponse<ROUTE extends SCAbstractRoute> =
+  ROUTE extends SCBookAvailabilityRoute ? SCBookAvailabilityResponse :
+    ROUTE extends SCBulkRoute ? SCBulkResponse :
+      ROUTE extends SCBulkAddRoute ? SCBulkAddResponse :
+        ROUTE extends SCBulkDoneRoute ? SCBulkDoneResponse :
+          ROUTE extends SCFeedbackRoute ? SCFeedbackResponse :
+            ROUTE extends SCIndexRoute ? SCIndexResponse :
+              ROUTE extends SCMultiSearchRoute ? SCMultiSearchResponse :
+                ROUTE extends SCSearchRoute ? SCSearchResponse :
+                  ROUTE extends SCThingUpdateRoute ? SCThingUpdateResponse :
+                    never;
--- a/src/core/protocol/routes/bookAvailability/BookAvailabilityRequest.ts
+++ b/src/core/protocol/routes/bookAvailability/BookAvailabilityRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,20 +12,21 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../Route';
-import {SCUuid} from '../../../types/UUID';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCNotFoundErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../errors/ErrorResponse';
+import {OK} from 'http-status-codes';
+import {SCUuid} from '../../general/uuid';
+import {SCAcademicPriceGroup, SCThingThatCanBeOfferedOffer} from '../../things/abstract/thing-that-can-be-offered';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCNotFoundErrorResponse} from '../errors/not-found';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * Request to check the availability of books
+ *
 * @validatable
 */
 export type SCBookAvailabilityRequest = SCBookAvailabilityRequestByIsbn | SCBookAvailabilityRequestByUuid;
@@ -50,6 +51,13 @@ export interface SCBookAvailabilityRequestByUuid {
  uid: SCUuid;
 }

+/**
+ * List of availabilities of a book
+ *
+ * @validatable
+ */
+export type SCBookAvailabilityResponse = Array<SCThingThatCanBeOfferedOffer<SCAcademicPriceGroup>>;
+
 /**
 * Route for book availability
 *
@@ -80,7 +88,7 @@ export class SCBookAvailabilityRoute extends SCAbstractRoute {
    this.method = SCRouteHttpVerbs.POST;
    this.requestBodyName = 'SCBookAvailabilityRequest';
    this.responseBodyName = 'SCBookAvailabilityResponse';
-    this.statusCodeSuccess = 200;
+    this.statusCodeSuccess = OK;
    this.urlFragment = '/bookAvailability';
  }
 }
--- a/src/core/protocol/routes/bulk/UID/BulkAddRequest.ts
+++ b/src/core/protocol/routes/bulk/UID/BulkAddRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,24 +12,32 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThings} from '../../../../Classes';
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../../Route';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCNotFoundErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../../errors/ErrorResponse';
+import {CREATED} from 'http-status-codes';
+import {SCThings} from '../../meta';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCNotFoundErrorResponse} from '../errors/not-found';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * Request to add a thing to a bulk
+ *
 * @validatable
 */
 export type SCBulkAddRequest = SCThings;

+/**
+ * Response to a request to add a thing to a bulk
+ *
+ * @validatable
+ */
+export interface SCBulkAddResponse {
+}
+
 /**
 * Route for indexing SC things in a bulk
 */
@@ -51,7 +59,7 @@ export class SCBulkAddRoute extends SCAbstractRoute {
    };
    this.requestBodyName = 'SCBulkAddRequest';
    this.responseBodyName = 'SCBulkAddResponse';
-    this.statusCodeSuccess = 201;
+    this.statusCodeSuccess = CREATED;
    this.urlFragment = '/bulk/:UID';
  }
 }
--- a/src/core/protocol/routes/bulk/UID/BulkDoneRequest.ts
+++ b/src/core/protocol/routes/bulk/UID/BulkDoneRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,24 +12,32 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../../Route';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCNotFoundErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../../errors/ErrorResponse';
+import {NO_CONTENT} from 'http-status-codes';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCNotFoundErrorResponse} from '../errors/not-found';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * Request to change the bulk state to done (close the bulk process)
+ *
 * @validatable
 */
 export interface SCBulkDoneRequest {
 }

+/**
+ * Response to a request to change the state of a bulk to done
+ *
+ * @validatable
+ */
+export interface SCBulkDoneResponse {
+}
+
 /**
 * Route for closing bulks
 */
@@ -51,7 +59,7 @@ export class SCBulkDoneRoute extends SCAbstractRoute {
    };
    this.requestBodyName = 'SCBulkDoneRequest';
    this.responseBodyName = 'SCBulkDoneResponse';
-    this.statusCodeSuccess = 204;
+    this.statusCodeSuccess = NO_CONTENT;
    this.urlFragment = '/bulk/:UID/done';
  }
 }
--- a/src/core/protocol/routes/bulk/BulkRequest.ts
+++ b/src/core/protocol/routes/bulk/BulkRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,17 +12,17 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../Route';
-import {SCThingType} from '../../../Thing';
-import {SCISO8601Date} from '../../../types/Time';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../errors/ErrorResponse';
+import {OK} from 'http-status-codes';
+import {SCISO8601Date} from '../../general/time';
+import {SCUuid} from '../../general/uuid';
+import {SCThingType} from '../../things/abstract/thing';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * A bulk request
@@ -56,11 +56,31 @@ export interface SCBulkParameters {

  /**
   * Type of things that are indexed in this bulk.
-   * 
+   *
   */
  type: SCThingType;
 }

+/**
+ * Requested Bulk from backend
+ *
+ * @validatable
+ */
+export interface SCBulkResponse extends SCBulkParameters {
+  /**
+   * State of bulk
+   *
+   * The state is `in progress` while it accepts things to be added to the bulk.
+   * The state is `done` once it is closed.
+   */
+  state: 'in progress' | 'done';
+
+  /**
+   * Universally unique identifier of the bulk
+   */
+  uid: SCUuid;
+}
+
 /**
 * Route for bulk creation
 */
@@ -78,7 +98,7 @@ export class SCBulkRoute extends SCAbstractRoute {
    this.method = SCRouteHttpVerbs.POST;
    this.requestBodyName = 'SCBulkRequest';
    this.responseBodyName = 'SCBulkResponse';
-    this.statusCodeSuccess = 200;
+    this.statusCodeSuccess = OK;
    this.urlFragment = '/bulk';
  }
 }
--- a/src/core/protocol/routes/feedback/FeedbackRequest.ts
+++ b/src/core/protocol/routes/feedback/FeedbackRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,16 +12,15 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../Route';
-import {SCMessage} from '../../../things/Message';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../errors/ErrorResponse';
+import {NO_CONTENT} from 'http-status-codes';
+import {SCMessage} from '../../things/message';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * User feedback
@@ -35,6 +34,14 @@ export interface SCFeedbackRequest extends SCMessage {
  metaData: SCFeedbackRequestMetaData;
 }

+/**
+ * A response to a feedback request
+ *
+ * @validatable
+ */
+export interface SCFeedbackResponse {
+}
+
 /**
 * Route for feedback submission
 */
@@ -52,7 +59,7 @@ export class SCFeedbackRoute extends SCAbstractRoute {
    this.method = SCRouteHttpVerbs.POST;
    this.requestBodyName = 'SCFeedbackRequest';
    this.responseBodyName = 'SCFeedbackResponse';
-    this.statusCodeSuccess = 204;
+    this.statusCodeSuccess = NO_CONTENT;
    this.urlFragment = '/feedback';
  }
 }
@@ -74,7 +81,7 @@ export interface SCFeedbackRequestMetaData {
  /**
   * Scope/app state at feedback invocation
   */
-  scope: any;
+  scope: unknown;

  /**
   * Whether or not the feedback is sendable
@@ -84,7 +91,7 @@ export interface SCFeedbackRequestMetaData {
  /**
   * App state that feedback was invoked from
   */
-  state: any;
+  state: unknown;

  /**
   * User agent
--- a/src/core/protocol/routes/INDEX/IndexRequest.ts
+++ b/src/core/protocol/routes/INDEX/IndexRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,15 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../Route';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../errors/ErrorResponse';
+import {OK} from 'http-status-codes';
+import {SCAppConfiguration} from '../../config/app';
+import {SCBackendConfiguration} from '../../config/backend';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * Index request
@@ -30,6 +31,23 @@ import {
 export interface SCIndexRequest {
 }

+/**
+ * A response to an index request
+ *
+ * @validatable
+ */
+export interface SCIndexResponse {
+  /**
+   * @see SCAppConfiguration
+   */
+  app: SCAppConfiguration;
+
+  /**
+   * @see SCBackendConfiguration
+   */
+  backend: SCBackendConfiguration;
+}
+
 /**
 * Route to request meta information about the deployment
 */
@@ -47,7 +65,7 @@ export class SCIndexRoute extends SCAbstractRoute {
    this.method = SCRouteHttpVerbs.POST;
    this.requestBodyName = 'SCIndexRequest';
    this.responseBodyName = 'SCIndexResponse';
-    this.statusCodeSuccess = 200;
+    this.statusCodeSuccess = OK;
    this.urlFragment = '/';
  }
 }
--- a/src/core/protocol/routes/plugin/PluginRegisterRequest.ts
+++ b/src/core/protocol/routes/plugin/PluginRegisterRequest.ts
@@ -12,16 +12,17 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {Schema} from 'jsonschema';
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../Route';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse, SCParametersNotAcceptable,
-  SCPluginAlreadyRegisteredErrorResponse,
-  SCPluginRegisteringFailedErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-} from '../../errors/ErrorResponse';
+import {OK} from 'http-status-codes';
+import {JSONSchema7} from 'json-schema';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCNotFoundErrorResponse} from '../errors/not-found';
+import {SCParametersNotAcceptable} from '../errors/parameters-not-acceptable';
+import {SCPluginAlreadyRegisteredErrorResponse} from '../errors/plugin-already-registered';
+import {SCPluginRegisteringFailedErrorResponse} from '../errors/plugin-registering-failed';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * Plugin register request
@@ -77,12 +78,12 @@ export interface SCPluginMetaData {
  /**
   * How the requests of the plugin looks like, a JSON schema for validation
   */
-  requestSchema: Schema;
+  requestSchema: JSONSchema7;

  /**
   * How the responses of the plugin looks like, a JSON schema for validation
   */
-  responseSchema: Schema;
+  responseSchema: JSONSchema7;

  /**
   * The desired route, for example /feedback.
@@ -90,6 +91,18 @@ export interface SCPluginMetaData {
  route: string;
 }

+/**
+ * Plugin register response
+ *
+ * @validatable
+ */
+export interface SCPluginRegisterResponse {
+  /**
+   * Whether the desired action succeeded or failed (true for success, false if an error occurred)
+   */
+  success: boolean;
+}
+
 /**
 * Route to register plugins
 */
@@ -99,6 +112,7 @@ export class SCPluginRegisterRoute extends SCAbstractRoute {
    this.errorNames = [
      SCInternalServerErrorResponse,
      SCMethodNotAllowedErrorResponse,
+      SCNotFoundErrorResponse,
      SCParametersNotAcceptable,
      SCPluginAlreadyRegisteredErrorResponse,
      SCPluginRegisteringFailedErrorResponse,
@@ -108,7 +122,7 @@ export class SCPluginRegisterRoute extends SCAbstractRoute {
    this.method = SCRouteHttpVerbs.POST;
    this.requestBodyName = 'SCPluginRegisterRequest';
    this.responseBodyName = 'SCPluginRegisterResponse';
-    this.statusCodeSuccess = 200;
+    this.statusCodeSuccess = OK;
    this.urlFragment = '/plugin/register';
  }
 }
--- a/src/core/protocol/routes/search/MultiSearchRequest.ts
+++ b/src/core/protocol/routes/search/MultiSearchRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,18 +12,18 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../Route';
-import {SCMap} from '../../../types/Map';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCTooManyRequestsErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../errors/ErrorResponse';
-import {SCSearchQuery} from './SearchRequest';
+import {OK} from 'http-status-codes';
+import {SCMap} from '../../general/map';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCTooManyRequestsErrorResponse} from '../errors/too-many-requests';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';
+import {SCSearchQuery} from '../search/query';
+import {SCSearchResult} from '../search/result';

 /**
 * A multi search request
@@ -36,6 +36,15 @@ import {SCSearchQuery} from './SearchRequest';
 */
 export type SCMultiSearchRequest = SCMap<SCSearchQuery>;

+/**
+ * A multi search response
+ *
+ * This is a map of [[SCSearchResponse]]s indexed by name
+ *
+ * @validatable
+ */
+export type SCMultiSearchResponse = SCMap<SCSearchResult>;
+
 /**
 * Route for submission of multiple search requests at once
 */
@@ -54,7 +63,7 @@ export class SCMultiSearchRoute extends SCAbstractRoute {
    this.method = SCRouteHttpVerbs.POST;
    this.requestBodyName = 'SCMultiSearchRequest';
    this.responseBodyName = 'SCMultiSearchResponse';
-    this.statusCodeSuccess = 200;
+    this.statusCodeSuccess = OK;
    this.urlFragment = '/search/multi';
  }
 }
--- a/src/core/protocol/routes/search/SearchRequest.ts
+++ b/src/core/protocol/routes/search/SearchRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,18 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../Route';
-import {SCSearchContext} from '../../../types/config/Backend';
-import {SCSearchFilter} from '../../../types/filters/Abstract';
-import {SCSearchSort} from '../../../types/sorts/Abstract';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../errors/ErrorResponse';
+import {OK} from 'http-status-codes';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';
+import {SCSearchQuery} from '../search/query';
+import {SCSearchResult} from '../search/result';

 /**
 * A search request
@@ -34,38 +32,11 @@ export interface SCSearchRequest extends SCSearchQuery {
 }

 /**
- * A search query
+ * A search response
+ *
+ * @validatable
 */
-export interface SCSearchQuery {
-  /**
-   * The context name from where the search query was initiated
-   */
-  context?: SCSearchContext;
-
-  /**
-   * A filter structure that combines any number of filters with boolean methods ('AND', 'OR', 'NOT')
-   */
-  filter?: SCSearchFilter;
-
-  /**
-   * Number of things to skip in result set (paging)
-   */
-  from?: number;
-
-  /**
-   * A term to search for
-   */
-  query?: string;
-
-  /**
-   * Number of things to have in the result set (paging)
-   */
-  size?: number;
-
-  /**
-   * A list of sorting parameters to order the result set by
-   */
-  sort?: SCSearchSort[];
+export interface SCSearchResponse extends SCSearchResult {
 }

 /**
@@ -85,7 +56,7 @@ export class SCSearchRoute extends SCAbstractRoute {
    this.method = SCRouteHttpVerbs.POST;
    this.requestBodyName = 'SCSearchRequest';
    this.responseBodyName = 'SCSearchResponse';
-    this.statusCodeSuccess = 200;
+    this.statusCodeSuccess = OK;
    this.urlFragment = '/search';
  }
 }
--- a/src/core/protocol/routes/TYPE/UID/ThingUpdateRequest.ts
+++ b/src/core/protocol/routes/TYPE/UID/ThingUpdateRequest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,17 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThings} from '../../../../Classes';
-import {SCAbstractRoute, SCRouteHttpVerbs} from '../../../../Route';
-import {
-  SCInternalServerErrorResponse,
-  SCMethodNotAllowedErrorResponse,
-  SCNotFoundErrorResponse,
-  SCRequestBodyTooLargeErrorResponse,
-  SCSyntaxErrorResponse,
-  SCUnsupportedMediaTypeErrorResponse,
-  SCValidationErrorResponse,
-} from '../../../errors/ErrorResponse';
+import {OK} from 'http-status-codes';
+import {SCThings} from '../../meta';
+import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
+import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
+import {SCNotFoundErrorResponse} from '../errors/not-found';
+import {SCRequestBodyTooLargeErrorResponse} from '../errors/request-body-too-large';
+import {SCSyntaxErrorResponse} from '../errors/syntax-error';
+import {SCUnsupportedMediaTypeErrorResponse} from '../errors/unsupported-media-type';
+import {SCValidationErrorResponse} from '../errors/validation';
+import {SCAbstractRoute, SCRouteHttpVerbs} from '../route';

 /**
 * Request to update an existing thing
@@ -31,6 +30,14 @@ import {
 */
 export type SCThingUpdateRequest = SCThings;

+/**
+ * Response for an entity update request
+ *
+ * @validatable
+ */
+export interface SCThingUpdateResponse {
+}
+
 /**
 * Route for updating existing things
 */
@@ -48,12 +55,12 @@ export class SCThingUpdateRoute extends SCAbstractRoute {
    ];
    this.method = SCRouteHttpVerbs.PUT;
    this.obligatoryParameters = {
-      TYPE: 'SCThingTypes',
+      TYPE: 'SCThingType',
      UID: 'SCUuid',
    };
    this.requestBodyName = 'SCThingUpdateRequest';
    this.responseBodyName = 'SCThingUpdateResponse';
-    this.statusCodeSuccess = 200;
+    this.statusCodeSuccess = OK;
    this.urlFragment = '/:TYPE/:UID';
  }
 }
--- a/src/core/types/PostalAddress.ts
+++ b/src/core/types/PostalAddress.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,37 +12,40 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+import {SCThingsField} from '../../meta';
+import {SCThingType} from '../../things/abstract/thing';
+
 /**
- * A postal address
+ * A search facet
 */
-export interface SCPostalAddress {
+export interface SCFacet {
  /**
-   * Country of the address
+   * Buckets for the aggregation
   */
-  addressCountry: string;
+  buckets: SCFacetBucket[];

  /**
-   * City of the address
+   * Field of the aggregation
   */
-  addressLocality: string;
+  field: SCThingsField;

  /**
-   * State of the address
+   * Type of the aggregation
   */
-  addressRegion?: string;
-
-  /**
-   * Zip code of the address
-   */
-  postalCode: string;
-
-  /**
-   * Optional post box number
-   */
-  postOfficeBoxNumber?: string;
-
-  /**
-   * Street of the address - with house number!
-   */
-  streetAddress: string;
+  onlyOnType?: SCThingType;
+}
+
+/**
+ * A bucket of a facet
+ */
+export interface SCFacetBucket {
+  /**
+   * Count of matching search results
+   */
+  count: number;
+
+  /**
+   * Key of a bucket
+   */
+  key: string;
 }
--- a/src/core/types/filters/Abstract.ts
+++ b/src/core/types/filters/Abstract.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,14 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCMap} from '../Map';
+import {SCMap} from '../../general/map';
 /**
 * All available filter types
 */
-import {SCSearchAvailabilityFilter} from './Availability';
-import {SCSearchBooleanFilter} from './Boolean';
-import {SCSearchDistanceFilter} from './Distance';
-import {SCSearchValueFilter} from './Value';
+import {SCSearchAvailabilityFilter} from './filters/availability';
+import {SCSearchBooleanFilter} from './filters/boolean';
+import {SCSearchDistanceFilter} from './filters/distance';
+import {SCGeoFilter} from './filters/geo';
+import {SCSearchDateRangeFilter, SCSearchNumericRangeFilter} from './filters/range';
+import {SCSearchValueFilter} from './filters/value';

 /**
 * Filter instruction types
@@ -28,7 +30,10 @@ export type SCSearchFilterType =
  'availability'
  | 'boolean'
  | 'distance'
-  | 'value';
+  | 'value'
+  | 'date range'
+  | 'numeric range'
+  | 'geo';

 /**
 * Structure of a filter instruction
@@ -48,7 +53,7 @@ export interface SCSearchAbstractFilter<T extends SCSearchAbstractFilterArgument
 /**
 * Arguments for the filter instruction
 */
-export type SCSearchAbstractFilterArguments = SCMap<any>;
+export type SCSearchAbstractFilterArguments = SCMap<unknown>;

 /**
 * Available filter instructions
@@ -57,4 +62,7 @@ export type SCSearchFilter =
  SCSearchAvailabilityFilter
  | SCSearchBooleanFilter
  | SCSearchDistanceFilter
-  | SCSearchValueFilter;
+  | SCSearchValueFilter
+  | SCSearchNumericRangeFilter
+  | SCSearchDateRangeFilter
+  | SCGeoFilter;
--- a/src/protocol/search/filters/availability.ts
+++ b/src/protocol/search/filters/availability.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019-2021 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,9 +12,9 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThingsField} from '../../Classes';
-import {SCISO8601Date} from '../Time';
-import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from './Abstract';
+import {SCISO8601Date} from '../../../general/time';
+import {SCThingsField} from '../../../meta';
+import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from '../filter';

 /**
 * An availability filter
@@ -22,6 +22,9 @@ import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from './Abstrac
 * Filter for documents where it cannot be safely determined that they are not available
 */
 export interface SCSearchAvailabilityFilter extends SCSearchAbstractFilter<SCAvailabilityFilterArguments> {
+  /**
+   * @see SCSearchAbstractFilter.type
+   */
  type: 'availability';
 }

@@ -30,17 +33,17 @@ export interface SCSearchAvailabilityFilter extends SCSearchAbstractFilter<SCAva
 */
 export interface SCAvailabilityFilterArguments extends SCSearchAbstractFilterArguments {
  /**
-   * Field which marks the start of the availability
+   * Field which marks availability range
   */
-  fromField: SCThingsField;
+  field: SCThingsField;

  /**
-   * Time to check. Defaults to 'now'
+   * If set, the provided time will apply to the full hour, day, week, etc.
   */
-  time?: SCISO8601Date | 'now';
+  scope?: 's' | 'm' | 'H' | 'd' | 'w' | 'M' | 'y';

  /**
-   * Field which marks the end of the availability
+   * Time to check. Defaults current time if not set
   */
-  toField: SCThingsField;
+  time?: SCISO8601Date;
 }
--- a/src/protocol/search/filters/boolean.ts
+++ b/src/protocol/search/filters/boolean.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,7 +12,7 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments, SCSearchFilter} from './Abstract';
+import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments, SCSearchFilter} from '../filter';

 /**
 * A boolean filter
@@ -20,6 +20,9 @@ import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments, SCSearchFilter}
 * This filter can be used to combine multiple filters with boolean operations.
 */
 export interface SCSearchBooleanFilter extends SCSearchAbstractFilter<SCBooleanFilterArguments> {
+  /**
+   * @see SCSearchAbstractFilter.type
+   */
  type: 'boolean';
 }

--- a/src/protocol/search/filters/distance.ts
+++ b/src/protocol/search/filters/distance.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,16 +12,20 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+// tslint:disable-next-line:no-implicit-dependencies
 import {Position} from 'geojson';
-import {SCThingsField} from '../../Classes';
-import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from './Abstract';
+import {SCThingsField} from '../../../meta';
+import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from '../filter';

 /**
 * A distance filter
 *
 * Filter for documents that are in the given distance of the given location
 */
-export interface SCSearchDistanceFilter extends SCSearchAbstractFilter<SCSearchAbstractFilterArguments> {
+export interface SCSearchDistanceFilter extends SCSearchAbstractFilter<SCDistanceFilterArguments> {
+  /**
+   * @see SCSearchAbstractFilter.type
+   */
  type: 'distance';
 }

--- a/src/protocol/search/filters/geo.ts
+++ b/src/protocol/search/filters/geo.ts
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+// tslint:disable-next-line:no-implicit-dependencies
+import {Polygon} from 'geojson';
+import {SCThingsField} from '../../../meta';
+import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from '../filter';
+
+/**
+ * A geo filter
+ *
+ * Filter for documents that are in relation to some geo data
+ */
+export interface SCGeoFilter extends SCSearchAbstractFilter<SCGeoFilterArguments> {
+  /**
+   * @see SCSearchAbstractFilter.type
+   */
+  type: 'geo';
+}
+
+/**
+ * Arguments for filter instruction by geo data
+ */
+export interface SCGeoFilterArguments extends SCSearchAbstractFilterArguments {
+  /**
+   * Field on which to filter
+   */
+  field: SCThingsField;
+
+  /**
+   * Geo data to check up on
+   */
+  shape: Polygon;
+
+  /**
+   * Spatial relation between the provided shape and the shape of the field.
+   *
+   * intersects - both shapes intersect (default)
+   * disjoint   - both shapes don't intersect
+   * within     - the search shape contains the field shape
+   * contains   - the search shape is contained in the field shape
+   */
+  spatialRelation?: 'intersects' | 'disjoint' | 'within' | 'contains';
+}
--- a/src/protocol/search/filters/range.ts
+++ b/src/protocol/search/filters/range.ts
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2020-2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCThingsField} from '../../../meta';
+import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from '../filter';
+
+/**
+ * A date range filter
+ *
+ * Filter for documents with a date field that satisfies the given constraints
+ *
+ * @see https://www.elastic.co/guide/en/elasticsearch/reference/5.6/query-dsl-range-query.html#_date_format_in_range_queries
+ */
+export interface SCSearchDateRangeFilter extends SCSearchAbstractFilter<SCDateRangeFilterArguments> {
+  /**
+   * @see SCSearchAbstractFilter.type
+   */
+  type: 'date range';
+}
+
+/**
+ * A distance filter
+ *
+ * Filter for documents with a numeric field that satisfies the given constraints
+ *
+ * @see https://www.elastic.co/guide/en/elasticsearch/reference/5.6/query-dsl-range-query.html#query-dsl-range-query
+ */
+export interface SCSearchNumericRangeFilter extends SCSearchAbstractFilter<SCNumericRangeFilterArguments> {
+  /**
+   * @see SCSearchAbstractFilter.type
+   */
+  type: 'numeric range';
+}
+
+/**
+ * Additional arguments for date range filters
+ *
+ * Filter uses a plain string to allow for date math expressions
+ * @see https://www.elastic.co/guide/en/elasticsearch/client/net-api/current/date-math-expressions.html
+ */
+export interface SCDateRangeFilterArguments extends SCRangeFilterArguments<string> {
+  /**
+   * Optional date format specifier
+   *
+   * @see https://www.elastic.co/guide/en/elasticsearch/reference/5.6/query-dsl-range-query.html#_date_format_in_range_queries
+   */
+  format?: string;
+
+  /**
+   * Optional timezone specifier
+   *
+   * @see https://www.elastic.co/guide/en/elasticsearch/reference/5.6/query-dsl-range-query.html#_time_zone_in_range_queries
+   */
+  timeZone?: string;
+}
+
+/**
+ * Additional arguments for numeric range filters
+ */
+export type SCNumericRangeFilterArguments = SCRangeFilterArguments<number>;
+
+/**
+ * Additional arguments for range filters
+ *
+ * @see https://www.elastic.co/guide/en/elasticsearch/reference/5.6/query-dsl-range-query.html#query-dsl-range-query
+ */
+export interface SCRangeFilterArguments<T> extends SCSearchAbstractFilterArguments {
+  /**
+   * Bounds of the range
+   */
+  bounds: Bounds<T>;
+
+  /**
+   * Field where the filter will be applied
+   */
+  field: SCThingsField;
+
+  /**
+   * Relation when searching on other range fields
+   *
+   * Intersects (Default): Both search and field range intersect
+   * Within: Search range is within the field range
+   * Contains: Search range contains the field range
+   */
+  relation?: 'intersects' | 'within' | 'contains';
+}
+
+export interface Bounds<T> {
+  /**
+   * The lower bound
+   */
+  lowerBound?: Bound<T>;
+
+  /**
+   * The upper bound
+   */
+  upperBound?: Bound<T>;
+}
+
+export interface Bound<T> {
+  /**
+   * Limit of the bound
+   */
+  limit: T;
+
+  /**
+   * Bound mode
+   */
+  mode: 'inclusive' | 'exclusive';
+}
--- a/src/protocol/search/filters/value.ts
+++ b/src/protocol/search/filters/value.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C)  2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,13 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThingsField} from '../../Classes';
-import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from './Abstract';
+import {SCThingsField} from '../../../meta';
+import {SCSearchAbstractFilter, SCSearchAbstractFilterArguments} from '../filter';

 /**
 * Filters for documents that match the value on the given field
 */
 export interface SCSearchValueFilter extends SCSearchAbstractFilter<SCValueFilterArguments> {
+  /**
+   * @see SCSearchAbstractFilter.type
+   */
  type: 'value';
 }

@@ -29,7 +32,7 @@ export interface SCValueFilterArguments extends SCSearchAbstractFilterArguments
  field: SCThingsField;

  /**
-   * Value to filter. Value has to match the field exactly.
+   * Value to filter. One or more values has to match the field exactly.
   */
-  value: string;
+  value: string | string[];
 }
--- a/src/protocol/search/query.ts
+++ b/src/protocol/search/query.ts
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCSearchContext} from '../../config/backend';
+import {SCSearchFilter} from './filter';
+import {SCSearchSort} from './sort';
+
+/**
+ * A search query
+ */
+export interface SCSearchQuery {
+  /**
+   * The context name from where the search query was initiated
+   */
+  context?: SCSearchContext;
+
+  /**
+   * A filter structure that combines any number of filters with boolean methods ('AND', 'OR', 'NOT')
+   */
+  filter?: SCSearchFilter;
+
+  /**
+   * Number of things to skip in result set (paging)
+   */
+  from?: number;
+
+  /**
+   * A term to search for
+   */
+  query?: string;
+
+  /**
+   * Number of things to have in the result set (paging)
+   */
+  size?: number;
+
+  /**
+   * A list of sorting parameters to order the result set by
+   */
+  sort?: SCSearchSort[];
+}
--- a/src/core/protocol/routes/search/SearchResponse.ts
+++ b/src/core/protocol/routes/search/SearchResponse.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,15 +12,8 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThings, SCThingsField} from '../../../Classes';
-
-/**
- * A search response
- *
- * @validatable
- */
-export interface SCSearchResponse extends SCSearchResult {
-}
+import {SCThings} from '../../meta';
+import {SCFacet} from './facet';

 /**
 * A search response
@@ -39,48 +32,18 @@ export interface SCSearchResult {
  /**
   * Pagination information
   */
-  pagination: SCSearchResponsePagination;
+  pagination: SCSearchResultPagination;

  /**
   * Stats of the search engine
   */
-  stats: SCSearchResponseSearchEngineStats;
-}
-
-/**
- * A search facet
- */
-export interface SCFacet {
-  /**
-   * Buckets for the aggregation
-   */
-  buckets: SCFacetBucket[];
-
-  /**
-   * Field of the aggregation
-   */
-  field: SCThingsField;
-}
-
-/**
- * A bucket of a facet
- */
-export interface SCFacetBucket {
-  /**
-   * Count of matching search results
-   */
-  count: number;
-
-  /**
-   * Key of a bucket
-   */
-  key: string;
+  stats: SCSearchResultSearchEngineStats;
 }

 /**
 * Stores information about Pagination
 */
-export interface SCSearchResponsePagination {
+export interface SCSearchResultPagination {
  /**
   * Count of given data. Same as data.length
   */
@@ -100,7 +63,7 @@ export interface SCSearchResponsePagination {
 /**
 * Statistics of search engine
 */
-export interface SCSearchResponseSearchEngineStats {
+export interface SCSearchResultSearchEngineStats {
  /**
   * Response time of the search engine in ms
   */
--- a/src/core/types/sorts/Abstract.ts
+++ b/src/core/types/sorts/Abstract.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019, 2020 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,11 +12,12 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThingsField} from '../../Classes';
-import {SCMap} from '../Map';
-import {SCDistanceSort} from './Distance';
-import {SCDucetSort} from './Ducet';
-import {SCPriceSort} from './Price';
+import {SCMap} from '../../general/map';
+import {SCThingsField} from '../../meta';
+import {SCDistanceSort} from './sorts/distance';
+import {SCDucetSort} from './sorts/ducet';
+import {SCGenericSort} from './sorts/generic';
+import {SCPriceSort} from './sorts/price';

 /**
 * Abstract sort instruction
@@ -41,7 +42,7 @@ export interface SCSearchAbstractSort<T extends SCSearchAbstractSortArguments> {
 /**
 * Map of arguments for the sort instruction
 */
-export interface SCSearchAbstractSortArguments extends SCMap<any> {
+export interface SCSearchAbstractSortArguments extends SCMap<unknown> {
  /**
   * Field to sort by
   */
@@ -51,9 +52,9 @@ export interface SCSearchAbstractSortArguments extends SCMap<any> {
 /**
 * Type of a sort instruction
 */
-export type SCSearchSortType = 'distance' | 'price' | 'ducet';
+export type SCSearchSortType = 'distance' | 'price' | 'ducet' | 'generic';

 /**
 * A sort instruction
 */
-export type SCSearchSort = SCDistanceSort | SCPriceSort | SCDucetSort;
+export type SCSearchSort = SCDistanceSort | SCPriceSort | SCDucetSort | SCGenericSort;
--- a/src/protocol/search/sorts/distance.ts
+++ b/src/protocol/search/sorts/distance.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,13 +12,17 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+// tslint:disable-next-line:no-implicit-dependencies
 import {Position} from 'geojson';
-import {SCSearchAbstractSort, SCSearchAbstractSortArguments} from './Abstract';
+import {SCSearchAbstractSort, SCSearchAbstractSortArguments} from '../sort';

 /**
 * Sort instruction to sort by distance
 */
 export interface SCDistanceSort extends SCSearchAbstractSort<SCDistanceSortArguments> {
+  /**
+   * @see SCSearchAbstractSort.type
+   */
  type: 'distance';
 }

--- a/src/protocol/search/sorts/ducet.ts
+++ b/src/protocol/search/sorts/ducet.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,11 +12,14 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCSearchAbstractSort, SCSearchAbstractSortArguments} from './Abstract';
+import {SCSearchAbstractSort, SCSearchAbstractSortArguments} from '../sort';

 /**
 * Sort instruction for ducet sort
 */
 export interface SCDucetSort extends SCSearchAbstractSort<SCSearchAbstractSortArguments> {
+  /**
+   * @see SCSearchAbstractSort.type
+   */
  type: 'ducet';
 }
--- a/src/core/protocol/routes/plugin/PluginRegisterResponse.ts
+++ b/src/core/protocol/routes/plugin/PluginRegisterResponse.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019 StApps
+ * Copyright (C) 2020 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,15 +12,14 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+import {SCSearchAbstractSort, SCSearchAbstractSortArguments} from '../sort';

 /**
- * Plugin register response
- *
- * @validatable
+ * Sort instruction for generic sort such as date
 */
-export interface SCPluginRegisterResponse {
+export interface SCGenericSort extends SCSearchAbstractSort<SCSearchAbstractSortArguments> {
  /**
-   * Whether the desired action succeeded or failed (true for success, false if an error occurred)
+   * @see SCSearchAbstractSort.type
   */
-  success: boolean;
+  type: 'generic';
 }
--- a/src/protocol/search/sorts/price.ts
+++ b/src/protocol/search/sorts/price.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,13 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCSportCoursePriceGroup} from '../../things/DateSeries';
-import {SCSearchAbstractSort, SCSearchAbstractSortArguments} from './Abstract';
+import {SCSportCoursePriceGroup} from '../../../things/date-series';
+import {SCSearchAbstractSort, SCSearchAbstractSortArguments} from '../sort';

 /**
 * Sort instruction to sort by price
 */
 export interface SCPriceSort extends SCSearchAbstractSort<SCPriceSortArguments> {
+  /**
+   * @see SCSearchAbstractSort.type
+   */
  type: 'price';
 }

--- a/src/things/abstract/academic-degree.ts
+++ b/src/things/abstract/academic-degree.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,8 +12,8 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations} from '../types/i18n';
+import {SCMetaTranslations} from '../../general/i18n';
+import {SCThing, SCThingMeta, SCThingWithoutReferences} from './thing';

 /**
 * An academic degree without references
@@ -28,12 +28,18 @@ export interface SCAcademicDegreeWithoutReferences
  /**
   * The achievable academic degree with academic field specification
   * (eg. Master of Science)
+   *
+   * @filterable
+   * @keyword
   */
  academicDegreewithField: string;

  /**
   * The achievable academic degree with academic field specification
   * shorted (eg. M.Sc.).
+   *
+   * @filterable
+   * @keyword
   */
  academicDegreewithFieldShort: string;
 }
--- a/src/things/abstract/academic-term.ts
+++ b/src/things/abstract/academic-term.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,9 +12,9 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations} from '../types/i18n';
-import {SCISO8601Date} from '../types/Time';
+import {SCMetaTranslations} from '../../general/i18n';
+import {SCISO8601Date} from '../../general/time';
+import {SCThing, SCThingMeta, SCThingWithoutReferences} from './thing';

 /**
 * An academic term without references
@@ -23,26 +23,38 @@ export interface SCAcademicTermWithoutReferences
  extends SCThingWithoutReferences {
  /**
   * Short name of the academic term, using the given pattern
+   *
+   * @aggregatable
+   * @filterable
+   * @keyword
   */
  acronym: string;

  /**
   * End date of the academic term
+   *
+   * @filterable
   */
  endDate: SCISO8601Date;

  /**
   * End date of lectures in the academic term
+   *
+   * @filterable
   */
  eventsEndDate?: SCISO8601Date;

  /**
   * Start date of lectures in the academic term
+   *
+   * @filterable
   */
  eventsStartDate?: SCISO8601Date;

  /**
   * Start date of the academic term
+   *
+   * @filterable
   */
  startDate: SCISO8601Date;
 }
--- a/src/things/abstract/creative-work.ts
+++ b/src/things/abstract/creative-work.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019-2021 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,36 +12,62 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from '../Thing';
-import {SCOrganizationWithoutReferences} from '../things/Organization';
-import {SCPersonWithoutReferences} from '../things/Person';
-import {SCLanguage, SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCISO8601Date} from '../types/Time';
+import {SCLanguageCode, SCMetaTranslations, SCTranslations} from '../../general/i18n';
+import {SCISO8601Date} from '../../general/time';
+import {SCOrganizationWithoutReferences} from '../organization';
+import {SCPersonWithoutReferences} from '../person';
+import {SCPublicationEventWithoutReferences} from '../publication-event';
+import {SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from './thing';
 import {
  SCAcademicPriceGroup,
-  SCThingThatCanBeOffered,
-  SCThingThatCanBeOfferedMeta,
+  SCThingThatCanBeOffered, SCThingThatCanBeOfferedMeta,
  SCThingThatCanBeOfferedTranslatableProperties,
  SCThingThatCanBeOfferedWithoutReferences,
-} from './ThingThatCanBeOffered';
+} from './thing-that-can-be-offered';

 /**
 * A creative work without references
 */
 export interface SCCreativeWorkWithoutReferences
  extends SCThingWithoutReferences, SCThingThatCanBeOfferedWithoutReferences {
+
+  /**
+   * Languages this creative work is available in
+   */
+  availableLanguages?: SCLanguageCode[];
+
  /**
   * Date the creative work was published
   */
  datePublished?: SCISO8601Date;

  /**
-   * List of languages this creative work is written/recorded/... in
+   * Edition of a creative work (e.g. the book edition or edition of an article)
+   *
+   * @keyword
   */
-  inLanguages?: SCLanguage[];
+  edition?: string;
+
+  /**
+   * Date (in text form) the creative work was published for the first time
+   *
+   * @keyword
+   */
+  firstPublished?: string;
+
+  /**
+   * Languages this creative work is written/recorded/... in
+   *
+   * @filterable
+   */
+  inLanguage?: SCLanguageCode;

  /**
   * Keywords of the creative work
+   *
+   * @aggregatable
+   * @filterable
+   * @keyword
   */
  keywords?: string[];

@@ -61,11 +87,26 @@ export interface SCCreativeWork
   */
  authors?: SCPersonWithoutReferences[];

+  /**
+   * A creative work to which the creative work belongs
+   */
+  isPartOf?: SCCreativeWorkWithoutReferences;
+
+  /**
+   * List of events at which the creative work was published
+   */
+  publications?: SCPublicationEventWithoutReferences[];
+
  /**
   * List of publishers of the creative work
   */
  publishers?: Array<SCPersonWithoutReferences | SCOrganizationWithoutReferences>;

+  /**
+   * A text representing on organization on whose behalf the creator was working
+   */
+  sourceOrganization?: string;
+
  /**
   * Translated fields of the creative work
   */
@@ -79,6 +120,8 @@ export interface SCCreativeWorkTranslatableProperties
  extends SCThingTranslatableProperties, SCThingThatCanBeOfferedTranslatableProperties {
  /**
   * Translation of the keywords of the creative work
+   *
+   * @keyword
   */
  keywords?: string[];
 }
@@ -93,22 +136,38 @@ export class SCCreativeWorkMeta
   */
  fieldTranslations = {
    de: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
-      ... SCThingThatCanBeOfferedMeta.getInstance().fieldTranslations.de,
-      authors: 'Authoren',
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...SCThingThatCanBeOfferedMeta.getInstance().fieldTranslations.de,
+      name: 'Titel',
+      authors: 'beteiligte Personen',
+      availableLanguages: 'verfügbare Übersetzungen',
      datePublished: 'Veröffentlichungsdatum',
-      inLanguages: 'verfügbare Übersetzungen',
+      edition: 'Ausgabe',
+      firstPublished: 'erste Veröffentlichung',
+      inLanguage: 'Inhaltssprache',
+      isPartOf: 'erschienen in',
      keywords: 'Schlagwörter',
+      lastPublished: 'aktuellste Veröffentlichung',
      publishers: 'Verleger',
+      publications: 'Veröffentlichungen',
+      sourceOrganization: 'Körperschaft',
    },
    en: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
-      ... SCThingThatCanBeOfferedMeta.getInstance().fieldTranslations.en,
-      authors: 'authors',
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance().fieldTranslations.en,
+      name: 'title',
+      authors: 'involved persons',
+      availableLanguages: 'available languages',
      datePublished: 'release date',
-      inLanguages: 'available Languages',
+      edition: 'edition',
+      firstPublished: 'first published',
+      inLanguage: 'content language',
+      isPartOf: 'published in',
      keywords: 'keywords',
+      lastPublished: 'last published',
      publishers: 'publishers',
+      publications: 'publications',
+      sourceOrganization: 'corporation',
    },
  };

@@ -118,11 +177,11 @@ export class SCCreativeWorkMeta
  fieldValueTranslations = {
    de: {
      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
-      ... SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.de,
    },
    en: {
      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
-      ... SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.en,
    },
  };
 }
--- a/src/things/abstract/event.ts
+++ b/src/things/abstract/event.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,12 +12,12 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingWithoutReferences} from '../Thing';
-import {SCCatalogWithoutReferences} from '../things/Catalog';
-import {SCPersonWithoutReferences} from '../things/Person';
-import {SCSemesterWithoutReferences} from '../things/Semester';
-import {SCMetaTranslations} from '../types/i18n';
-import {SCCreativeWorkWithoutReferences} from './CreativeWork';
+import {SCMetaTranslations} from '../../general/i18n';
+import {SCCatalogWithoutReferences} from '../catalog';
+import {SCPersonWithoutReferences} from '../person';
+import {SCSemesterWithoutReferences} from '../semester';
+import {SCCreativeWorkWithoutReferences} from './creative-work';
+import {SCThing, SCThingMeta, SCThingWithoutReferences} from './thing';

 /**
 * An event without references
@@ -28,6 +28,8 @@ export interface SCEventWithoutReferences
   * Maximum number of participants of the event
   *
   * A maximum number of people that can participate in the event.
+   *
+   * @integer
   */
  maximumParticipants?: number;

@@ -35,6 +37,8 @@ export interface SCEventWithoutReferences
   * Remaining attendee capacity of the event
   *
   * This number represents the remaining open spots.
+   *
+   * @integer
   */
  remainingAttendeeCapacity?: number;
 }
@@ -82,7 +86,7 @@ export class SCEventMeta
   */
  fieldTranslations = {
    de: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
      academicTerms: 'Semester',
      catalogs: 'Verzeichnis',
      creativeWorks: 'begleitende Werke',
@@ -92,7 +96,7 @@ export class SCEventMeta
      remainingAttendeeCapacity: 'verfügbare Anzahl an Teilnehmern',
    },
    en: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
      academicTerms: 'academic terms',
      catalogs: 'catalogs',
      creativeWorks: 'related material',
--- a/src/things/abstract/place.ts
+++ b/src/things/abstract/place.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,10 +12,74 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from '../Thing';
-import {SCGeoInformation} from '../types/GeoInformation';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCPostalAddress} from '../types/PostalAddress';
+// tslint:disable-next-line:no-implicit-dependencies
+import {Point, Polygon} from 'geojson';
+import {SCMetaTranslations, SCTranslations} from '../../general/i18n';
+import {SCBuildingWithoutReferences} from '../building';
+import {SCPointOfInterestWithoutReferences} from '../point-of-interest';
+import {SCRoomWithoutReferences} from '../room';
+import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from './thing';
+
+/**
+ * Positional information
+ */
+export interface SCGeoInformation {
+  /**
+   * Center point of a place
+   */
+  point: Point;
+  /**
+   * Shape of a place
+   */
+  polygon?: Polygon;
+}
+
+/**
+ * A postal address
+ */
+export interface SCPostalAddress {
+  /**
+   * Country of the address
+   *
+   * @filterable
+   */
+  addressCountry: string;
+
+  /**
+   * City of the address
+   *
+   * @filterable
+   */
+  addressLocality: string;
+
+  /**
+   * State of the address
+   *
+   * @filterable
+   */
+  addressRegion?: string;
+
+  /**
+   * Zip code of the address
+   *
+   * @filterable
+   */
+  postalCode: string;
+
+  /**
+   * Optional post box number
+   *
+   * @filterable
+   */
+  postOfficeBoxNumber?: string;
+
+  /**
+   * Street of the address - with house number!
+   *
+   * @filterable
+   */
+  streetAddress: string;
+}

 /**
 * A place without references
@@ -37,7 +101,9 @@ export interface SCPlaceWithoutReferences

  /**
   * Opening hours of the place
+   *
   * @see http://wiki.openstreetmap.org/wiki/Key:opening_hours/specification
+   * @keyword
   */
  openingHours?: string;

@@ -63,6 +129,9 @@ export interface SCPlace
 */
 export interface SCPlaceWithoutReferencesTranslatableProperties
  extends SCThingTranslatableProperties {
+  /**
+   * Address of a place
+   */
  address?: SCPostalAddress;
 }

@@ -101,3 +170,19 @@ export class SCPlaceWithoutReferencesMeta
    },
  };
 }
+
+/**
+ * Something that is or happens in a place
+ *
+ * !Important!
+ * This is not a SCThing.
+ */
+export interface SCInPlace {
+  /**
+   * Place the thing is or happens in
+   */
+  inPlace?:
+    SCBuildingWithoutReferences
+    | SCPointOfInterestWithoutReferences
+    | SCRoomWithoutReferences;
+}
--- a/src/things/abstract/range.ts
+++ b/src/things/abstract/range.ts
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCISO8601Date} from '../../general/time';
+
+/**
+ * Date Range
+ *
+ * CAUTION: Changing the name requires changes in the core-tools premaps
+ */
+export type SCISO8601DateRange = SCRange<SCISO8601Date>;
+
+/**
+ * Generic range type
+ */
+export type SCRange<T> = {
+  /**
+   * Greater than value
+   */
+  gt?: never;
+
+  /**
+   * Greater or equal to value
+   */
+  gte?: T;
+
+  /**
+   * Greater than value
+   */
+  lt?: never;
+
+  /**
+   * Greater or equal to value
+   */
+  lte?: T;
+} | {
+  // tslint:disable:completed-docs
+  gt?: T;
+  gte?: never;
+  lt?: T;
+  lte?: never;
+} | {
+  gt?: T;
+  gte?: never;
+  lt?: never;
+  lte?: T;
+} | {
+  gt?: never;
+  gte?: T;
+  lt?: T;
+  lte?: never;
+  // tslint:enable:completed-docs
+};
--- a/src/things/abstract/saveable-thing.ts
+++ b/src/things/abstract/saveable-thing.ts
@@ -12,25 +12,25 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingUserOrigin, SCThingWithoutReferences} from '../Thing';
+import {SCIndexableThings} from '../../meta';
+import {SCThing, SCThingUserOrigin, SCThingWithoutReferences} from './thing';

 /**
 * An encapsulation of the data (e.g. a thing) that is saved, which provides additional information.
 */
 export interface SCSaveableThingWithoutReferences
  extends SCThingWithoutReferences {
-  // noop
 }

 /**
 * An encapsulation of the data (e.g. a thing) that is saved, which provides additional information.
 */
-export interface SCSaveableThing<T extends SCThingWithoutReferences>
+export interface SCSaveableThing
  extends SCSaveableThingWithoutReferences, SCThing {
  /**
   * The contained data
   */
-  data: T;
+  data: SCIndexableThings;
  /**
   * Type of the origin
   */
--- a/src/things/abstract/thing-in-place.ts
+++ b/src/things/abstract/thing-in-place.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,9 +12,9 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta} from '../Thing';
-import {SCMetaTranslations} from '../types/i18n';
-import {SCInPlace} from '../types/Places';
+import {SCMetaTranslations} from '../../general/i18n';
+import {SCInPlace} from './place';
+import {SCThing, SCThingMeta} from './thing';

 /**
 * A thing that is or happens in a place
--- a/src/things/abstract/thing-that-accepts-payments.ts
+++ b/src/things/abstract/thing-that-accepts-payments.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,8 +12,8 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations} from '../types/i18n';
+import {SCMetaTranslations} from '../../general/i18n';
+import {SCThing, SCThingMeta, SCThingWithoutReferences} from './thing';

 /**
 * Types of payment that are accepted at a place.
@@ -30,6 +30,8 @@ export interface SCThingThatAcceptsPaymentsWithoutReferences
  extends SCThingWithoutReferences {
  /**
   * Accepted payments of the place
+   *
+   * @filterable
   */
  paymentsAccepted?: SCThingThatAcceptsPaymentsAcceptedPayments[];
 }
@@ -52,11 +54,11 @@ export class SCThingThatAcceptsPaymentsWithoutReferencesMeta
   */
  fieldTranslations = {
    de: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
      paymentsAccepted: 'Bezahlmethoden',
    },
    en: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
      paymentsAccepted: 'accepted payment methods',
    },
  };
@@ -66,7 +68,7 @@ export class SCThingThatAcceptsPaymentsWithoutReferencesMeta
   */
  fieldValueTranslations = {
    de: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
      paymentsAccepted: {
        'cafeteria card': 'Mensakarte',
        'cash': 'Bar',
--- a/src/things/abstract/thing-that-can-be-offered.ts
+++ b/src/things/abstract/thing-that-can-be-offered.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019-2021 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,12 +12,12 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from '../Thing';
-import {SCOrganizationWithoutReferences} from '../things/Organization';
-import {SCPersonWithoutReferences} from '../things/Person';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCInPlace} from '../types/Places';
-import {SCISO8601Date} from '../types/Time';
+import {SCMetaTranslations, SCTranslations} from '../../general/i18n';
+import {SCOrganizationWithoutReferences} from '../organization';
+import {SCPersonWithoutReferences} from '../person';
+import {SCInPlace} from './place';
+import {SCISO8601DateRange} from './range';
+import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from './thing';

 /**
 * Default price without distinction
@@ -25,6 +25,9 @@ import {SCISO8601Date} from '../types/Time';
 export interface SCPriceGroup {
  /**
   * Default price of the thing
+   *
+   * @sortable price
+   * @float
   */
  default: number;
 }
@@ -36,16 +39,25 @@ export interface SCAcademicPriceGroup
  extends SCPriceGroup {
  /**
   * Price for employees
+   *
+   * @sortable price
+   * @float
   */
  employee?: number;

  /**
   * Price for guests
+   *
+   * @sortable price
+   * @float
   */
  guest?: number;

  /**
   * Price for students
+   *
+   * @sortable price
+   * @float
   */
  student?: number;
 }
@@ -88,14 +100,9 @@ export interface SCThingThatCanBeOfferedOffer<T extends SCPriceGroup>
  availability: SCThingThatCanBeOfferedAvailability;

  /**
-   * The time when the thing becomes unavailable as an SCISO8601Date formatted string.
+   * The time when the thing is available.
   */
-  availabilityEnds?: SCISO8601Date;
-
-  /**
-   * The time when the thing becomes available as an SCISO8601Date formatted string.
-   */
-  availabilityStarts?: SCISO8601Date;
+  availabilityRange?: SCISO8601DateRange;

  /**
   * List of prices that are distinct for specific groups
@@ -115,6 +122,8 @@ export interface SCThingThatCanBeOfferedTranslatableProperties
  extends SCThingTranslatableProperties {
  /**
   * Availability of an offer
+   *
+   * @keyword
   */
  'offers[].availability'?: string;
 }
@@ -138,21 +147,24 @@ export type SCThingThatCanBeOfferedAvailability =
 /**
 * Meta information about a thing without references that accepts payments
 */
-export class SCThingThatCanBeOfferedMeta<T extends SCPriceGroup> implements
-             SCMetaTranslations<SCThingThatCanBeOffered<T>> {
+export class SCThingThatCanBeOfferedMeta<T extends SCPriceGroup>
+  implements SCMetaTranslations<SCThingThatCanBeOffered<T>> {

-  protected static _instance: any;
+  /**
+   * Instance
+   */
+  protected static _instance = new Map<string, unknown>();

  /**
   * Translations of fields
   */
  fieldTranslations = {
    de: {
-      ... SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingMeta.getInstance().fieldTranslations.de,
      offers: 'Angebote',
    },
    en: {
-      ... SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingMeta.getInstance().fieldTranslations.en,
      offers: 'offers',
    },
  };
@@ -160,21 +172,28 @@ export class SCThingThatCanBeOfferedMeta<T extends SCPriceGroup> implements
  /**
   * Translations of values of fields
   */
-  fieldValueTranslations  = {
+  fieldValueTranslations = {
    de: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
    },
    en: {
-      ... SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
    },
  };

+  // tslint:disable:static-this
  /**
   * Function to retrieve typed singleton instance (including generics)
   */
  public static getInstance<T extends SCPriceGroup>(): SCThingThatCanBeOfferedMeta<T> {
-    return this._instance || (this._instance = new this<T>());
+    if (!SCThingThatCanBeOfferedMeta._instance.has(this.name)) {
+      SCThingThatCanBeOfferedMeta._instance.set(this.name, new SCThingThatCanBeOfferedMeta<T>());
+    }
+
+    return SCThingThatCanBeOfferedMeta._instance
+      .get(this.name) as SCThingThatCanBeOfferedMeta<T>;
  }

-  protected constructor() {}
+  protected constructor() {
+  }
 }
--- a/src/things/abstract/thing-with-categories.ts
+++ b/src/things/abstract/thing-with-categories.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,20 +12,24 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCMap} from '../types/Map';
+import {SCMetaTranslations, SCTranslations} from '../../general/i18n';
+import {SCMap} from '../../general/map';
+import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from './thing';

 /**
 * A thing without references with categories
 *
 * !!! BEWARE !!!
- * `T` should be a union type - e.g. `T = 'foo' | 'bar' | 'foobar';`
+ * `T` should be a string literal union type - e.g. `T = 'foo' | 'bar' | 'foobar';`
 */
 export interface SCThingWithCategoriesWithoutReferences<T, U extends SCThingWithCategoriesSpecificValues>
  extends SCThingWithoutReferences {
  /**
   * Categories of a thing with categories
+   *
+   * @sortable ducet
+   * @aggregatable
+   * @filterable
   */
  categories: T[];

@@ -60,6 +64,8 @@ export interface SCThingWithCategoriesTranslatableProperties
  extends SCThingTranslatableProperties {
  /**
   * translations of the categories of a thing with categories
+   *
+   * @sortable ducet
   */
  categories?: string[];
 }
@@ -72,26 +78,37 @@ export interface SCThingWithCategoriesTranslatableProperties
 export interface SCThingWithCategoriesSpecificValues {
  /**
   * Category specific alternate names of a thing
+   *
+   * @keyword
   */
  alternateNames?: string[];

  /**
   * Category specific description of a thing
+   *
+   * @text
   */
  description?: string;

  /**
   * URL of a category specific image of a thing
+   *
+   * @keyword
   */
  image?: string;

  /**
   * Category specific name of a thing
+   *
+   * @sortable ducet
+   * @text
   */
  name?: string;

  /**
   * Category specific URL of a thing
+   *
+   * @keyword
   */
  url?: string;
 }
@@ -103,7 +120,10 @@ export interface SCThingWithCategoriesSpecificValues {
 export class SCThingWithCategoriesWithoutReferencesMeta<T, U>
  implements SCMetaTranslations<SCThingWithCategoriesWithoutReferences<T, U>> {

-  protected static _instance: any;
+  /**
+   * Instance
+   */
+  protected static _instance = new Map<string, unknown>();

  /**
   * Translations of fields
@@ -133,11 +153,18 @@ export class SCThingWithCategoriesWithoutReferencesMeta<T, U>
    },
  };

+  // tslint:disable:static-this
  /**
   * Function to retrieve typed singleton instance (including generics)
   */
  public static getInstance<T, U>(): SCThingWithCategoriesWithoutReferencesMeta<T, U> {
-    return this._instance || (this._instance = new this<T, U>());
+    if (!SCThingWithCategoriesWithoutReferencesMeta._instance.has(this.name)) {
+      SCThingWithCategoriesWithoutReferencesMeta._instance
+        .set(this.name, new SCThingWithCategoriesWithoutReferencesMeta<T, U>());
+    }
+
+    return SCThingWithCategoriesWithoutReferencesMeta._instance
+      .get(this.name) as SCThingWithCategoriesWithoutReferencesMeta<T, U>;
  }

  protected constructor() {
--- a/src/things/abstract/thing.ts
+++ b/src/things/abstract/thing.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,11 +12,12 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCOrganizationWithoutReferences} from './things/Organization';
-import {SCPersonWithoutReferences} from './things/Person';
-import {SCMetaTranslations, SCTranslations} from './types/i18n';
-import {SCISO8601Date} from './types/Time';
-import {SCUuid} from './types/UUID';
+import {SCMetaTranslations, SCTranslations} from '../../general/i18n';
+import {SCMap} from '../../general/map';
+import {SCISO8601Date} from '../../general/time';
+import {SCUuid} from '../../general/uuid';
+import {SCOrganizationWithoutReferences} from '../organization';
+import {SCPersonWithoutReferences} from '../person';

 /**
 * Types a thing can be
@@ -25,8 +26,10 @@ export enum SCThingType {
  AcademicEvent = 'academic event',
  Article = 'article',
  Book = 'book',
+  Periodical = 'periodical',
  Building = 'building',
  Catalog = 'catalog',
+  ContactPoint = 'contact point',
  CourseOfStudies = 'course of studies',
  DateSeries = 'date series',
  Diff = 'diff',
@@ -37,6 +40,7 @@ export enum SCThingType {
  Organization = 'organization',
  Person = 'person',
  PointOfInterest = 'point of interest',
+  PublicationEvent = 'publication event',
  Room = 'room',
  Semester = 'semester',
  Setting = 'setting',
@@ -54,42 +58,71 @@ export enum SCThingType {
 export interface SCThingWithoutReferences {
  /**
   * Alternate names of the thing
+   *
+   * @filterable
+   * @keyword
   */
  alternateNames?: string[];
+
  /**
   * Description of the thing
   *
   * @minLength 1
+   * @text
   */
  description?: string;
+
+  /**
+   * The identifier property represents any kind of additional identifier for any kind of SCThing
+   *
+   * E.g. GTIN codes, UUIDs, Database IDs etc.
+   */
+  identifiers?: SCMap<string>;
+
  /**
   * URL of an image of the thing
+   *
+   * @keyword
   */
  image?: string;
+
  /**
   * Name of the thing
   *
+   * @filterable
   * @minLength 1
+   * @sortable ducet
+   * @text
   */
  name: string;
+
+  /**
+   * URL of a reference Web page that unambiguously indicates the item's identity
+   *
+   * E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.
+   */
+  sameAs?: string;
+
  /**
   * Translations of specific values of the object
   *
   * Take precedence over "main" value for selected languages.
   */
  translations?: SCTranslations<SCThingTranslatableProperties>;
+
  /**
   * Type of the thing
+   *
+   * @sortable ducet
+   * @filterable
+   * @aggregatable global
   */
  type: SCThingType;
+
  /**
   * Universally unique identifier of the thing
   */
  uid: SCUuid;
-  /**
-   * URL of the thing
-   */
-  url?: string;
 }

 /**
@@ -143,6 +176,8 @@ export interface SCThingRemoteOrigin extends SCThingOrigin {

  /**
   * Name of the origin
+   *
+   * @text
   */
  name: string;

@@ -200,10 +235,15 @@ export interface SCThingUserOrigin extends SCThingOrigin {
 export interface SCThingTranslatableProperties {
  /**
   * Translation of the description of the thing
+   *
+   * @text
   */
  description?: string;
  /**
   * Translation of the name of the thing
+   *
+   * @sortable ducet
+   * @text
   */
  name?: string;
  /**
@@ -218,6 +258,8 @@ export interface SCThingTranslatableProperties {
 export interface SCThingTranslatablePropertyOrigin {
  /**
   * Translation of the name of the origin
+   *
+   * @text
   */
  name: string;
 }
@@ -227,7 +269,7 @@ export interface SCThingTranslatablePropertyOrigin {
 */
 export class SCThingMeta implements SCMetaTranslations<SCThing> {
  /**
-   * Set type definiton for singleton instance
+   * Set type definition for singleton instance
   */
  protected static _instance = new Map<string, unknown>();

@@ -238,24 +280,26 @@ export class SCThingMeta implements SCMetaTranslations<SCThing> {
    de: {
      alternateNames: 'alternative Namen',
      description: 'Beschreibung',
+      identifiers: 'Alternative Identifikation',
      image: 'Bild',
      name: 'Name',
      origin: 'Ursprung',
+      sameAs: 'ursprünglicher Link',
      translations: 'Übersetzungen',
      type: 'Typ',
      uid: 'Identifikation',
-      url: 'URL',
    },
    en: {
      alternateNames: 'alternate names',
      description: 'description',
+      identifiers: 'alternative identification',
      image: 'image',
      name: 'name',
      origin: 'origin',
+      sameAs: 'original link',
      translations: 'translations',
      type: 'type',
      uid: 'identification',
-      url: 'URL',
    },
  };

@@ -271,14 +315,16 @@ export class SCThingMeta implements SCMetaTranslations<SCThing> {
    },
  };

+  // tslint:disable:static-this
  /**
   * Function to retrieve typed singleton instance
   */
  public static getInstance<T extends SCThingMeta>(): T {
-    if (!this._instance.has(this.name)) {
-      this._instance.set(this.name, new this());
+    if (!SCThingMeta._instance.has(this.name)) {
+      SCThingMeta._instance.set(this.name, new this());
    }
-    return this._instance.get(this.name) as T;
+
+    return SCThingMeta._instance.get(this.name) as T;
  }

  protected constructor() {
--- a/src/core/protocol/routes/feedback/FeedbackResponse.ts
+++ b/src/core/protocol/routes/feedback/FeedbackResponse.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2021 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -13,9 +13,9 @@
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
 /**
- * A response to a feedback request
- *
- * @validatable
+ * Types of data consumers
 */
-export interface SCFeedbackResponse {
-}
+export type SCUserGroup =
+  'students'
+  | 'employees'
+  | 'guests';
--- a/src/core/things/AcademicEvent.ts
+++ b/src/core/things/AcademicEvent.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,16 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCEvent, SCEventMeta, SCEventWithoutReferences} from '../base/Event';
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCEvent, SCEventMeta, SCEventWithoutReferences} from './abstract/event';
+import {SCThingMeta, SCThingType} from './abstract/thing';
 import {
  SCThingWithCategories,
  SCThingWithCategoriesSpecificValues,
  SCThingWithCategoriesTranslatableProperties,
  SCThingWithCategoriesWithoutReferences,
  SCThingWithCategoriesWithoutReferencesMeta,
-} from '../base/ThingWithCategories';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
+} from './abstract/thing-with-categories';

 /**
 * An academic event without references
@@ -31,11 +31,18 @@ export interface SCAcademicEventWithoutReferences
    SCThingWithCategoriesWithoutReferences<SCAcademicEventCategories, SCThingWithCategoriesSpecificValues> {
  /**
   * Majors of the academic event that this event belongs to
+   *
+   * @aggregatable
+   * @filterable
+   * @keyword
   */
  majors?: string[];

  /**
   * Original unmapped category from the source of the academic event
+   *
+   * @filterable
+   * @keyword
   */
  originalCategory?: string;

@@ -54,6 +61,7 @@ export interface SCAcademicEventWithoutReferences
 * An academic event
 *
 * @validatable
+ * @indexable
 */
 export interface SCAcademicEvent
  extends SCEvent, SCAcademicEventWithoutReferences,
@@ -86,6 +94,7 @@ export type SCAcademicEventCategories =
  | 'course'
  | 'practicum introduction'
  | 'excursion'
+  | 'exercise'
  | 'special';

 /**
@@ -95,11 +104,15 @@ export interface SCAcademicEventTranslatableProperties
  extends SCThingWithCategoriesTranslatableProperties {
  /**
   * Translations of the majors of the academic event that this event belongs to
+   *
+   * @keyword
   */
  majors?: string[];

  /**
   * Translation of the original unmapped category from the source of the academic event
+   *
+   * @keyword
   */
  originalCategory?: string;
 }
@@ -116,19 +129,15 @@ export class SCAcademicEventMeta
  fieldTranslations = {
    de: {
      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCAcademicEventCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
      majors: 'Hauptfächer',
      originalCategory: 'ursprüngliche Kategorie',
    },
    en: {
      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCAcademicEventCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
      majors: 'majors',
      originalCategory: 'original category',
    },
@@ -140,15 +149,14 @@ export class SCAcademicEventMeta
  fieldValueTranslations = {
    de: {
      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCAcademicEventCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
      categories: {
        'colloquium': 'Kolloquium',
        'course': 'Kurs',
        'excursion': 'Exkursion',
-        'integrated course': '',
+        'exercise': 'Übung',
+        'integrated course': 'Integrierter Kurs',
        'introductory class': 'Einführungsveranstaltung',
        'lecture': 'Vorlesung',
        'oral exam': 'mündliche Prüfung',
@@ -164,10 +172,8 @@ export class SCAcademicEventMeta
    },
    en: {
      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCAcademicEventCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
      type: SCThingType.AcademicEvent,
    },
  };
--- a/src/core/things/Article.ts
+++ b/src/core/things/Article.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019-2021 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,32 +12,46 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
 import {
  SCCreativeWork,
  SCCreativeWorkMeta,
  SCCreativeWorkTranslatableProperties,
  SCCreativeWorkWithoutReferences,
-} from '../base/CreativeWork';
+} from './abstract/creative-work';
+import {SCThingMeta, SCThingType} from './abstract/thing';
 import {
-  SCThingWithCategories,
  SCThingWithCategoriesSpecificValues,
  SCThingWithCategoriesTranslatableProperties,
  SCThingWithCategoriesWithoutReferences,
  SCThingWithCategoriesWithoutReferencesMeta,
-} from '../base/ThingWithCategories';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
+} from './abstract/thing-with-categories';
+import {SCPeriodicalWithoutReferences} from './periodical';
+
+/**
+ * Categories of an article
+ */
+export type SCArticleCategories = 'unipedia'
+  | 'article'
+  | 'eArticle';

 /**
 * An article without references
 */
 export interface SCArticleWithoutReferences
  extends SCCreativeWorkWithoutReferences,
-    SCThingWithCategoriesWithoutReferences<SCArticleCategories, SCThingWithCategoriesSpecificValues> {
+  SCThingWithCategoriesWithoutReferences<SCArticleCategories, SCThingWithCategoriesSpecificValues> {
  /**
   * Article itself as markdown
+   *
+   * @text
   */
-  articleBody: string;
+  articleBody?: string;
+
+  /**
+   * Categories of an article
+   */
+  categories: SCArticleCategories[];

  /**
   * Translated fields of an article
@@ -54,10 +68,19 @@ export interface SCArticleWithoutReferences
 * An article
 *
 * @validatable
+ * @indexable
 */
 export interface SCArticle
-  extends SCCreativeWork, SCArticleWithoutReferences,
-    SCThingWithCategories<SCArticleCategories, SCThingWithCategoriesSpecificValues> {
+  extends SCCreativeWork, SCArticleWithoutReferences {
+  /**
+   * A periodical to which this article belongs
+   */
+  isPartOf?: SCPeriodicalWithoutReferences;
+  /**
+   * Additional information about how to find the article inside of its "parent" (which is provided in 'isPartOf')
+   * e.g. "40, 2011, S. 2-3"
+   */
+  reference?: string;
  /**
   * Translated fields of an article
   */
@@ -70,17 +93,14 @@ export interface SCArticle
 }

 /**
- * Categories of articles
- */
-export type SCArticleCategories = 'unipedia';
-
-/**
- * Translatable properties of creative works
+ * Translatable properties of an article
 */
 export interface SCArticleTranslatableProperties
  extends SCThingWithCategoriesTranslatableProperties, SCCreativeWorkTranslatableProperties {
  /**
   * Translation of the article itself as markdown
+   *
+   * @text
   */
  articleBody?: string[];
 }
@@ -97,19 +117,19 @@ export class SCArticleMeta
    de: {
      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
        .de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCArticleCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      categories: 'Format',
+      reference: 'Referenz',
      articleBody: 'Artikelinhalt',
    },
    en: {
      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
        .en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCArticleCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      categories: 'format',
+      reference: 'reference',
      articleBody: 'article body',
    },
  };
@@ -121,23 +141,22 @@ export class SCArticleMeta
    de: {
      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
        .fieldValueTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCArticleCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.de,
      categories: {
-        'unipedia': 'Unipedia',
+        article: 'Artikel',
+        eArticle: 'E-Aufsatz',
+        unipedia: 'Unipedia',
      },
      type: 'Artikel',
    },
    en: {
      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
        .fieldValueTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCArticleCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.en,
      type: SCThingType.Article,
+      categories: {
+        article: 'article',
+        eArticle: 'E-Article',
+        unipedia: 'unipedia',
+      },
    },
  };
 }
--- a/src/things/book.ts
+++ b/src/things/book.ts
@@ -0,0 +1,199 @@
+/*
+ * Copyright (C) 2019-2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {
+  SCCreativeWork,
+  SCCreativeWorkMeta,
+  SCCreativeWorkTranslatableProperties,
+  SCCreativeWorkWithoutReferences,
+} from './abstract/creative-work';
+import {SCThingMeta, SCThingType} from './abstract/thing';
+import {
+  SCThingWithCategoriesSpecificValues,
+  SCThingWithCategoriesTranslatableProperties,
+  SCThingWithCategoriesWithoutReferences,
+  SCThingWithCategoriesWithoutReferencesMeta,
+} from './abstract/thing-with-categories';
+
+/**
+ * Categories of a book
+ */
+export type SCBookCategories = 'audio'
+  | 'book'
+  | 'cd'
+  | 'dvd'
+  | 'ePhoto'
+  | 'ebook'
+  | 'hierarchy'
+  | 'kit'
+  | 'manuscript'
+  | 'map'
+  | 'microfilm'
+  | 'musicalscore'
+  | 'photo'
+  | 'retro'
+  | 'sensorimage'
+  | 'unknown'
+  | 'video';
+
+/**
+ * A book without references
+ */
+export interface SCBookWithoutReferences
+  extends SCCreativeWorkWithoutReferences,
+  SCThingWithCategoriesWithoutReferences<SCBookCategories, SCThingWithCategoriesSpecificValues> {
+  /**
+   * Categories of a book
+   */
+  categories: SCBookCategories[];
+
+  /**
+   * ISBNs of a book
+   *
+   * @filterable
+   * @keyword
+   */
+  ISBNs?: string[];
+
+  /**
+   * Number of pages of a book
+   *
+   * @integer
+   */
+  numberOfPages?: number;
+
+  /**
+   * Translated properties of a book
+   */
+  translations?: SCTranslations<SCBookTranslatableFields>;
+
+  /**
+   * Type of a book
+   */
+  type: SCThingType.Book;
+}
+
+/**
+ * A book
+ *
+ * @validatable
+ * @indexable
+ */
+export interface SCBook
+  extends SCCreativeWork, SCBookWithoutReferences {
+  /**
+   * Translated properties of a book
+   */
+  translations?: SCTranslations<SCBookTranslatableFields>;
+
+  /**
+   * Type of a book
+   */
+  type: SCThingType.Book;
+}
+
+/**
+ * Translatable properties of a book
+ */
+export interface SCBookTranslatableFields
+  extends SCThingWithCategoriesTranslatableProperties, SCCreativeWorkTranslatableProperties {
+}
+
+/**
+ * Meta information about a book
+ */
+export class SCBookMeta extends SCThingMeta implements SCMetaTranslations<SCBook> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      categories: 'Format',
+      ISBNs: 'ISBN',
+      numberOfPages: 'Seitenanzahl',
+    },
+    en: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      categories: 'format',
+      ISBNs: 'ISBN',
+      numberOfPages: 'number of pages',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      categories: {
+        audio: 'Tonträger',
+        book: 'Buch',
+        cd: 'CD',
+        dvd: 'DVD',
+        ePhoto: 'E-Photo',
+        ebook: 'E-Book',
+        hierarchy: 'mehrteiliges Werk',
+        kit: 'Medienkombination',
+        manuscript: 'Handschrift',
+        map: 'Karte',
+        microfilm: 'Mikrofilm, Mikrofiche',
+        musicalscore: 'Noten',
+        photo: 'Abbildung',
+        physicalobject: 'Objekt',
+        retro: 'Retro (Buch)',
+        sensorimage: 'Blindenschrift',
+        unknown: 'Unbekannt',
+        video: 'Film',
+      },
+      type: 'Buch',
+    },
+    en: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      type: SCThingType.Book,
+      categories: {
+        audio: 'audio material',
+        book: 'book',
+        cd: 'CD',
+        dvd: 'DVD',
+        ePhoto: 'E-Photo',
+        ebook: 'E-Book',
+        hierarchy: 'multipart item',
+        kit: 'media combination',
+        manuscript: 'manuscript',
+        map: 'map',
+        microfilm: 'microfilm, microfiche',
+        musicalscore: 'sheet music',
+        photo: 'illustration',
+        physicalobject: 'object',
+        retro: 'retro (book)',
+        sensorimage: 'braille',
+        unknown: 'unknown',
+        video: 'film',
+      },
+    },
+  };
+}
--- a/src/core/things/Building.ts
+++ b/src/core/things/Building.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,21 +12,21 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
 import {
  SCPlace,
  SCPlaceWithoutReferences,
  SCPlaceWithoutReferencesMeta,
  SCPlaceWithoutReferencesTranslatableProperties,
-} from '../base/Place';
+} from './abstract/place';
+import {SCThingMeta, SCThingType} from './abstract/thing';
 import {
  SCThingWithCategories,
  SCThingWithCategoriesSpecificValues,
  SCThingWithCategoriesTranslatableProperties,
  SCThingWithCategoriesWithoutReferences,
  SCThingWithCategoriesWithoutReferencesMeta,
-} from '../base/ThingWithCategories';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
+} from './abstract/thing-with-categories';

 export type SCBuildingCategories =
  'cafe'
@@ -41,13 +41,11 @@ export type SCBuildingCategories =
 export interface SCBuildingWithoutReferences
  extends SCThingWithCategoriesWithoutReferences<SCBuildingCategories, SCThingWithCategoriesSpecificValues>,
    SCPlaceWithoutReferences {
-  /**
-   * Categories of a building
-   */
-  categories: SCBuildingCategories[];
-
  /**
   * List of floor names of the place
+   *
+   * @filterable
+   * @keyword
   */
  floors?: string[];

@@ -66,6 +64,7 @@ export interface SCBuildingWithoutReferences
 * A building
 *
 * @validatable
+ * @indexable
 */
 export interface SCBuilding
  extends SCBuildingWithoutReferences, SCPlace,
@@ -83,6 +82,9 @@ export interface SCBuilding

 export interface SCBuildingTranslatableProperties
  extends SCPlaceWithoutReferencesTranslatableProperties, SCThingWithCategoriesTranslatableProperties {
+  /**
+   * @see SCBuilding.floors
+   */
  floors?: string[];
 }

@@ -97,23 +99,15 @@ export class SCBuildingMeta
   */
  fieldTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCBuildingCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.de,
      floors: 'Etagen',
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCBuildingCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.en,
      floors: 'floors',
    },
  };
@@ -123,13 +117,9 @@ export class SCBuildingMeta
   */
  fieldValueTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCBuildingCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.de,
      categories: {
        'cafe': 'Café',
        'canteen': 'Kantine',
@@ -143,13 +133,9 @@ export class SCBuildingMeta
      type: 'Gebäude',
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCBuildingCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.en,
      type: SCThingType.Building,
    },
  };
--- a/src/core/things/Catalog.ts
+++ b/src/core/things/Catalog.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,16 +12,16 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAcademicTermWithoutReferences} from '../base/AcademicTerm';
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCAcademicTermWithoutReferences} from './abstract/academic-term';
+import {SCThing, SCThingMeta, SCThingType} from './abstract/thing';
 import {
  SCThingWithCategories,
  SCThingWithCategoriesSpecificValues,
  SCThingWithCategoriesTranslatableProperties,
  SCThingWithCategoriesWithoutReferences,
  SCThingWithCategoriesWithoutReferencesMeta,
-} from '../base/ThingWithCategories';
-import {SCThing, SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
+} from './abstract/thing-with-categories';

 /**
 * A catalog without references
@@ -32,6 +32,9 @@ export interface SCCatalogWithoutReferences
   * Level of the catalog (0 for 'root catalog', 1 for its subcatalog, 2 for its subcatalog etc.)
   *
   * Needed for keeping order in catalog inheritance array.
+   *
+   * @filterable
+   * @integer
   */
  level: number;

@@ -45,6 +48,7 @@ export interface SCCatalogWithoutReferences
 * A catalog
 *
 * @validatable
+ * @indexable
 */
 export interface SCCatalog
  extends SCCatalogWithoutReferences, SCThing,
@@ -85,20 +89,16 @@ export class SCCatalogMeta
   */
  fieldTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCCatalogCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
      academicTerm: 'Semester',
      level: 'Ebene',
      superCatalog: 'übergeordnetes Verzeichniss',
      superCatalogs: 'übergeordnete Verzeichnisse',
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCCatalogCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
      academicTerm: 'academic term',
      level: 'level',
      superCatalog: 'parent catalog',
@@ -111,20 +111,16 @@ export class SCCatalogMeta
   */
  fieldValueTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCCatalogCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
      categories: {
        'university events': 'Universitätsveranstaltung',
      },
      type: 'Verzeichnis',
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCCatalogCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
      type: SCThingType.Catalog,
    },
  };
--- a/src/things/contact-point.ts
+++ b/src/things/contact-point.ts
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {SCMetaTranslations} from '../general/i18n';
+import {
+  SCThing,
+  SCThingMeta,
+  SCThingType,
+  SCThingWithoutReferences,
+  } from './abstract/thing';
+import {SCRoomWithoutReferences} from './room';
+
+/**
+ * A contact point without references
+ */
+export interface SCContactPointWithoutReferences
+  extends SCThingWithoutReferences  {
+  /**
+   * E-mail at the work location
+   *
+   * @keyword
+   */
+  email?: string;
+
+  /**
+   * Fax number at the work location
+   *
+   * @keyword
+   */
+  faxNumber?: string;
+
+  /**
+   * Office hours for contacting someone at the work location
+   *
+   * @see http://wiki.openstreetmap.org/wiki/Key:opening_hours/specification
+   * @keyword
+   */
+  officeHours?: string;
+
+  /**
+   * Contact number at the work location
+   *
+   * @keyword
+   */
+  telephone?: string;
+
+  /**
+   * Type of a contact point
+   */
+  type: SCThingType.ContactPoint;
+
+  /**
+   * URL at the work location
+   *
+   * @keyword
+   */
+  url?: string;
+}
+
+/**
+ * A contact point
+ *
+ * @see http://schema.org/ContactPoint
+ * 
+ * @validatable
+ * @indexable
+ */
+export interface SCContactPoint
+  extends SCContactPointWithoutReferences, SCThing  {
+  /**
+   * Exact place where work is performed
+   */
+  areaServed?: SCRoomWithoutReferences;
+
+  /**
+   * Type of a contact point
+   */
+  type: SCThingType.ContactPoint;
+}
+
+/**
+ * Meta information about a contact point
+ */
+export class SCContactPointMeta
+  extends SCThingMeta
+  implements SCMetaTranslations<SCContactPoint> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      areaServed: 'Arbeitsraum',
+      email: 'E-Mail-Addresse',
+      faxNumber: 'Faxnummer',
+      officeHours: 'Sprechzeiten',
+      telephone: 'Telefonnummer',
+      url: 'Link',
+    },
+    en: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      areaServed: 'location',
+      email: 'email address',
+      faxNumber: 'fax number',
+      officeHours: 'office hours',
+      telephone: 'telephone number',
+      url: 'link',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      type: 'Kontaktinformation',
+    },
+    en: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      type: SCThingType.ContactPoint,
+    },
+  };
+}
--- a/src/core/things/CourseOfStudies.ts
+++ b/src/core/things/CourseOfStudies.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,18 +12,18 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCAcademicDegree, SCAcademicDegreeMeta, SCAcademicDegreeWithoutReferences} from '../base/AcademicDegree';
+import {SCLanguage, SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCAcademicDegree, SCAcademicDegreeMeta, SCAcademicDegreeWithoutReferences} from './abstract/academic-degree';
+import {SCThingMeta, SCThingType} from './abstract/thing';
 import {
  SCAcademicPriceGroup,
  SCThingThatCanBeOffered,
  SCThingThatCanBeOfferedMeta,
  SCThingThatCanBeOfferedTranslatableProperties,
  SCThingThatCanBeOfferedWithoutReferences,
-} from '../base/ThingThatCanBeOffered';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCLanguage, SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCDateSeriesWithoutReferences} from './DateSeries';
-import {SCOrganizationWithoutReferences} from './Organization';
+} from './abstract/thing-that-can-be-offered';
+import {SCDateSeriesWithoutReferences} from './date-series';
+import {SCOrganizationWithoutReferences} from './organization';

 /**
 * A course of studies without references
@@ -38,6 +38,9 @@ export interface SCCourseOfStudiesWithoutReferences

  /**
   * Actual major of the course of studies (eg. physics)
+   *
+   * @filterable
+   * @keyword
   */
  major: string;

@@ -66,6 +69,7 @@ export interface SCCourseOfStudiesWithoutReferences
 * A course of studies
 *
 * @validatable
+ * @indexable
 */
 export interface SCCourseOfStudies
  extends SCCourseOfStudiesWithoutReferences, SCThingThatCanBeOffered<SCAcademicPriceGroup>, SCAcademicDegree {
--- a/src/core/things/DateSeries.ts
+++ b/src/core/things/DateSeries.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,20 +12,20 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThingInPlace, SCThingInPlaceMeta} from '../base/ThingInPlace';
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCISO8601Date, SCISO8601Duration} from '../general/time';
+import {SCThingMeta, SCThingType} from './abstract/thing';
+import {SCThingInPlace, SCThingInPlaceMeta} from './abstract/thing-in-place';
 import {
  SCAcademicPriceGroup,
  SCThingThatCanBeOffered,
+  SCThingThatCanBeOfferedMeta,
  SCThingThatCanBeOfferedTranslatableProperties,
  SCThingThatCanBeOfferedWithoutReferences,
-} from '../base/ThingThatCanBeOffered';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCISO8601Date, SCISO8601Duration} from '../types/Time';
-import {SCThingThatCanBeOfferedMeta} from './../base/ThingThatCanBeOffered';
-import {SCAcademicEventWithoutReferences} from './AcademicEvent';
-import {SCPersonWithoutReferences} from './Person';
-import {SCSportCourseWithoutReferences} from './SportCourse';
+} from './abstract/thing-that-can-be-offered';
+import {SCAcademicEventWithoutReferences} from './academic-event';
+import {SCPersonWithoutReferences} from './person';
+import {SCSportCourseWithoutReferences} from './sport-course';

 /**
 * Price groups for sport courses
@@ -34,6 +34,8 @@ export interface SCSportCoursePriceGroup
  extends SCAcademicPriceGroup {
  /**
   * Price for alumnis
+   *
+   * @float
   */
  alumni?: number;
 }
@@ -45,6 +47,8 @@ export interface SCDateSeriesWithoutReferences
  extends SCThingThatCanBeOfferedWithoutReferences {
  /**
   * Dates of the date series that are initially planned to be held
+   *
+   * @filterable
   */
  dates: SCISO8601Date[];

@@ -60,8 +64,10 @@ export interface SCDateSeriesWithoutReferences

  /**
   * Frequency of the date series
+   *
+   * @filterable
   */
-  frequency: string;
+  repeatFrequency?: SCISO8601Duration;

  /**
   * Translated properties
@@ -78,6 +84,7 @@ export interface SCDateSeriesWithoutReferences
 * A date series
 *
 * @validatable
+ * @indexable
 */
 export interface SCDateSeries
  extends SCDateSeriesWithoutReferences,
@@ -124,7 +131,7 @@ export class SCDateSeriesMeta
      duration: 'Dauer',
      event: 'Event',
      exceptions: 'Ausnahmen',
-      frequency: 'Frequenz',
+      repeatFrequency: 'Frequenz',
      performers: 'Vortragende',
    },
    en: {
@@ -136,7 +143,7 @@ export class SCDateSeriesMeta
      duration: 'duration',
      event: 'event',
      exceptions: 'exceptions',
-      frequency: 'frequency',
+      repeatFrequency: 'frequency',
      performers: 'performers',
    },
  };
@@ -167,5 +174,4 @@ export class SCDateSeriesMeta
 */
 export interface SCDateSeriesTranslatableProperties
  extends SCThingThatCanBeOfferedTranslatableProperties {
-  frequency?: string;
 }
--- a/src/core/things/Diff.ts
+++ b/src/core/things/Diff.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -13,10 +13,10 @@
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
 import * as jsonpatch from 'json-patch';
-import {SCThingsWithoutDiff} from '../Classes';
-import {SCThing, SCThingMeta, SCThingType, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations} from '../types/i18n';
-import {SCISO8601Date} from '../types/Time';
+import {SCMetaTranslations} from '../general/i18n';
+import {SCISO8601Date} from '../general/time';
+import {SCIndexableThings} from '../meta';
+import {SCThing, SCThingMeta, SCThingType, SCThingWithoutReferences} from './abstract/thing';

 /**
 * A diff without references
@@ -54,7 +54,7 @@ export interface SCDiff
  /**
   * Original object the diff was generated on
   */
-  object: SCThingsWithoutDiff;
+  object: SCIndexableThings;

  /**
   * Type of a diff
--- a/src/core/things/Dish.ts
+++ b/src/core/things/Dish.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,22 +12,22 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCThingMeta, SCThingType} from './abstract/thing';
 import {
  SCAcademicPriceGroup,
  SCThingThatCanBeOffered,
+  SCThingThatCanBeOfferedMeta,
  SCThingThatCanBeOfferedTranslatableProperties,
  SCThingThatCanBeOfferedWithoutReferences,
-} from '../base/ThingThatCanBeOffered';
+} from './abstract/thing-that-can-be-offered';
 import {
  SCThingWithCategories,
  SCThingWithCategoriesSpecificValues,
  SCThingWithCategoriesTranslatableProperties,
  SCThingWithCategoriesWithoutReferences,
  SCThingWithCategoriesWithoutReferencesMeta,
-} from '../base/ThingWithCategories';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCThingThatCanBeOfferedMeta} from './../base/ThingThatCanBeOffered';
+} from './abstract/thing-with-categories';

 /**
 * A dish without references
@@ -37,14 +37,12 @@ export interface SCDishWithoutReferences
    SCThingWithCategoriesWithoutReferences<SCDishCategories, SCThingWithCategoriesSpecificValues> {
  /**
   * Additives of the dish
+   *
+   * @filterable
+   * @keyword
   */
  additives?: string[];

-  /**
-   * Category of the dish
-   */
-  categories: SCDishCategories[];
-
  /**
   * Characteristics of the dish
   */
@@ -70,6 +68,7 @@ export interface SCDishWithoutReferences
 * A dish
 *
 * @validatable
+ * @indexable
 */
 export interface SCDish
  extends SCDishWithoutReferences, SCThingThatCanBeOffered<SCAcademicPriceGroup>,
@@ -92,6 +91,13 @@ export interface SCDish

 export interface SCDishTranslatableProperties
  extends SCThingWithCategoriesTranslatableProperties, SCThingThatCanBeOfferedTranslatableProperties {
+  /**
+   * Additives of the dish
+   *
+   * @filterable
+   * @keyword
+   */
+  additives?: string[];
  /**
   * Characteristics of the dish
   */
@@ -104,11 +110,16 @@ export interface SCDishTranslatableProperties
 export interface SCDishCharacteristic {
  /**
   * URL of an image of the characteristic
+   *
+   * @keyword
   */
  image?: string;

  /**
   * Name of the characteristic
+   *
+   * @filterable
+   * @text
   */
  name: string;
 }
@@ -132,36 +143,50 @@ export type SCDishCategories =
 export interface SCNutritionInformation {
  /**
   * Number of calories contained (in kcal)
+   *
+   * @float
   */
  calories?: number;

  /**
   * Content of carbohydrates (in grams)
+   *
+   * @float
   */
  carbohydrateContent?: number;

  /**
   * Content of fat (in grams)
+   *
+   * @float
   */
  fatContent?: number;

  /**
   * Content of proteins (in grams)
+   *
+   * @float
   */
  proteinContent?: number;

  /**
   * Content of salt (in grams)
+   *
+   * @float
   */
  saltContent?: number;

  /**
   * Content of saturated fat (in grams)
+   *
+   * @float
   */
  saturatedFatContent?: number;

  /**
   * Content of sugar (in grams)
+   *
+   * @float
   */
  sugarContent?: number;
 }
@@ -177,10 +202,8 @@ export class SCDishMeta
   */
  fieldTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCDishCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
        .fieldTranslations.de,
      additives: 'Zusatzstoffe',
@@ -189,10 +212,8 @@ export class SCDishMeta
      nutrition: 'Nährwertangaben',
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCDishCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
        .fieldTranslations.en,
      additives: 'additives',
@@ -207,10 +228,8 @@ export class SCDishMeta
   */
  fieldValueTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCDishCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
        .fieldValueTranslations.de,
      categories: {
@@ -224,10 +243,8 @@ export class SCDishMeta
      type: 'Essen',
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCDishCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
        .fieldValueTranslations.en,
      type: SCThingType.Dish,
--- a/src/things/favorite.ts
+++ b/src/things/favorite.ts
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019-2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCSaveableThing, SCSaveableThingWithoutReferences} from './abstract/saveable-thing';
+import {SCThingMeta, SCThingType} from './abstract/thing';
+
+/**
+ * A favorite without references
+ */
+export interface SCFavoriteWithoutReferences
+  extends SCSaveableThingWithoutReferences {
+  /**
+   * Type of a favorite
+   */
+  type: SCThingType.Favorite;
+}
+
+/**
+ * A favorite
+ *
+ * @validatable
+ */
+export interface SCFavorite extends SCSaveableThing {
+  /**
+   * Type of a favorite
+   */
+  type: SCThingType.Favorite;
+}
+
+/**
+ * Meta information about a favorite
+ */
+export class SCFavoriteMeta
+  extends SCThingMeta {
+}
--- a/src/core/things/Floor.ts
+++ b/src/core/things/Floor.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,12 +12,13 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+// tslint:disable-next-line:no-implicit-dependencies
 import {Feature, FeatureCollection, GeometryObject, LineString} from 'geojson';
-import {SCThingInPlace, SCThingInPlaceMeta} from '../base/ThingInPlace';
-import {SCThingMeta, SCThingTranslatableProperties, SCThingType, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCPointOfInterestWithoutReferences} from './PointOfInterest';
-import {SCRoomWithoutReferences} from './Room';
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCThingMeta, SCThingTranslatableProperties, SCThingType, SCThingWithoutReferences} from './abstract/thing';
+import {SCThingInPlace, SCThingInPlaceMeta} from './abstract/thing-in-place';
+import {SCPointOfInterestWithoutReferences} from './point-of-interest';
+import {SCRoomWithoutReferences} from './room';

 /**
 * A floor without references
@@ -26,13 +27,15 @@ export interface SCFloorWithoutReferences
  extends SCThingWithoutReferences {
  /**
   * Floor name in the place it is in e.g. "first floor", "ground floor". This doesn't reference the building name.
+   *
+   * @text
   */
  floorName: string;

  /**
   * Floor plan
   */
-  plan: SCFloorFeatureCollectionWithPlaces<LineString, any>;
+  plan: SCFloorFeatureCollectionWithPlaces<LineString>;

  /**
   * Translated fields of a floor
@@ -49,6 +52,7 @@ export interface SCFloorWithoutReferences
 * A floor
 *
 * @validatable
+ * @indexable
 */
 export interface SCFloor
  extends SCFloorWithoutReferences, SCThingInPlace {
@@ -66,19 +70,20 @@ export interface SCFloor
 /**
 * A feature collection
 */
-export interface SCFloorFeatureCollectionWithPlaces<T extends GeometryObject, P = any>
-  extends FeatureCollection<T, P> {
+export interface SCFloorFeatureCollectionWithPlaces<T extends GeometryObject>
+  extends FeatureCollection<T> {
  /**
   * Features of the collection
   */
-  features: Array<SCFloorFeatureWithPlace<T, P>>;
+  features: Array<SCFloorFeatureWithPlace<T>>;
 }

 /***
 * A feature with a place
 */
-export interface SCFloorFeatureWithPlace<T extends GeometryObject, P = any>
-  extends Feature<T, P> {
+export interface SCFloorFeatureWithPlace<T extends GeometryObject>
+  // tslint:disable-next-line:no-any TODO
+  extends Feature<T, any> {
  /**
   * The place of the feature
   */
@@ -92,6 +97,8 @@ export interface SCFloorTranslatableProperties
  extends SCThingTranslatableProperties {
  /**
   * Translation of the floor name
+   *
+   * @text
   */
  floorName?: string;
 }
--- a/src/core/things/Message.ts
+++ b/src/core/things/Message.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019-2021 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,37 +12,70 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCISO8601Date} from '../general/time';
 import {
  SCCreativeWork,
  SCCreativeWorkMeta,
  SCCreativeWorkTranslatableProperties,
  SCCreativeWorkWithoutReferences,
-} from '../base/CreativeWork';
-import {SCThingThatCanBeOfferedTranslatableProperties} from '../base/ThingThatCanBeOffered';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
-import {SCISO8601Date} from '../types/Time';
+} from './abstract/creative-work';
+import {SCThingMeta, SCThingType} from './abstract/thing';
+import {SCThingThatCanBeOfferedTranslatableProperties} from './abstract/thing-that-can-be-offered';
+import {
+  SCThingWithCategoriesSpecificValues,
+  SCThingWithCategoriesWithoutReferences, SCThingWithCategoriesWithoutReferencesMeta,
+} from './abstract/thing-with-categories';
+import {SCUserGroup} from './abstract/user-groups';
+import {SCOrganizationWithoutReferences} from './organization';
+
+/**
+ * Categories of a message
+ */
+export type SCMessageCategories = 'news';

 /**
 * A message without references
 */
 export interface SCMessageWithoutReferences
-  extends SCCreativeWorkWithoutReferences {
+  extends SCCreativeWorkWithoutReferences,
+  SCThingWithCategoriesWithoutReferences<SCMessageCategories, SCThingWithCategoriesSpecificValues> {
  /**
-   * Audience of the message
+   * Organizational unit for which the message is intended
   */
-  audiences: SCMessageAudience[];
+  audienceOrganizations?: SCOrganizationWithoutReferences[];
+
+  /**
+   * Roles for which the message is intended
+   *
+   * @filterable
+   */
+  audiences: SCUserGroup[];
+
+  /**
+   * Categories of a message
+   */
+  categories: SCMessageCategories[];

  /**
   * When the message was created
+   *
+   * @filterable
   */
  dateCreated?: SCISO8601Date;

  /**
   * Message itself
+   *
+   * @text
   */
  messageBody: string;

+  /**
+   * An index for applying a custom sorting of multiple messages
+   */
+  sequenceIndex?: number;
+
  /**
   * Translated fields of a message
   */
@@ -58,6 +91,7 @@ export interface SCMessageWithoutReferences
 * A message
 *
 * @validatable
+ * @indexable
 */
 export interface SCMessage
  extends SCCreativeWork, SCMessageWithoutReferences {
@@ -72,14 +106,6 @@ export interface SCMessage
  type: SCThingType.Message;
 }

-/**
- * Audiences for messages
- */
-export type SCMessageAudience =
-  'students'
-  | 'employees'
-  | 'guests';
-
 /**
 * Translatable properties of a message
 */
@@ -87,6 +113,8 @@ export interface SCMessageTranslatableProperties
  extends SCCreativeWorkTranslatableProperties, SCThingThatCanBeOfferedTranslatableProperties {
  /**
   * Message itself
+   *
+   * @text
   */
  messageBody?: string;
 }
@@ -104,16 +132,24 @@ export class SCMessageMeta
    de: {
      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
        .de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCMessageCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      audienceOrganizations: 'Zielgruppenorganisationen',
      audiences: 'Zielgruppen',
      dateCreated: 'Erstellungsdatum',
      messageBody: 'Nachrichteninhalt',
+      sequenceIndex: 'Sequenzindex',
    },
    en: {
      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
        .en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCMessageCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      audienceOrganizations: 'audience organizations',
      audiences: 'audiences',
      dateCreated: 'date created',
      messageBody: 'message body',
+      sequenceIndex: 'sequence index',
    },
  };

@@ -125,9 +161,12 @@ export class SCMessageMeta
      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
        .fieldValueTranslations.de,
      audiences: {
-        'employees': 'Angestellte',
-        'guests': 'Gäste',
-        'students': 'Studenten',
+        employees: 'Angestellte',
+        guests: 'Gäste',
+        students: 'Studenten',
+      },
+      categories: {
+        news: 'Neuigkeiten',
      },
      type: 'Nachricht',
    },
--- a/src/core/things/Organization.ts
+++ b/src/core/things/Organization.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,9 +12,10 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThingInPlace, SCThingInPlaceMeta} from '../base/ThingInPlace';
-import {SCThingMeta, SCThingType, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations} from '../types/i18n';
+import {SCMetaTranslations} from '../general/i18n';
+import {SCThingMeta, SCThingType, SCThingWithoutReferences} from './abstract/thing';
+import {SCThingInPlace, SCThingInPlaceMeta} from './abstract/thing-in-place';
+import {SCContactPointWithoutReferences} from './contact-point';

 /**
 * An organization without references
@@ -31,9 +32,15 @@ export interface SCOrganizationWithoutReferences
 * An organization
 *
 * @validatable
+ * @indexable
 */
 export interface SCOrganization
  extends SCOrganizationWithoutReferences, SCThingInPlace {
+  /**
+   * A list of contact points concerning the organization
+   */
+  contactPoints?: SCContactPointWithoutReferences[];
+
  /**
   * Type of an organization
   */
@@ -51,9 +58,11 @@ export class SCOrganizationMeta
  fieldTranslations = {
    de: {
      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations.de,
+      contactPoints: 'Kontaktinformationen',
    },
    en: {
      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations.en,
+      contactPoints: 'contact details',
    },
  };

--- a/src/things/periodical.ts
+++ b/src/things/periodical.ts
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {
+  SCCreativeWork,
+  SCCreativeWorkMeta,
+  SCCreativeWorkTranslatableProperties,
+  SCCreativeWorkWithoutReferences,
+} from './abstract/creative-work';
+import {SCThingMeta, SCThingType} from './abstract/thing';
+import {
+  SCThingWithCategoriesSpecificValues,
+  SCThingWithCategoriesTranslatableProperties,
+  SCThingWithCategoriesWithoutReferences,
+  SCThingWithCategoriesWithoutReferencesMeta,
+} from './abstract/thing-with-categories';
+
+/**
+ * Categories of a periodical
+ */
+export type SCPeriodicalCategories = 'journal' | 'electronic';
+
+/**
+ * A periodical without references
+ */
+export interface SCPeriodicalWithoutReferences
+  extends SCCreativeWorkWithoutReferences,
+  SCThingWithCategoriesWithoutReferences<SCPeriodicalCategories, SCThingWithCategoriesSpecificValues> {
+  /**
+   * Categories of a periodical
+   */
+  categories: SCPeriodicalCategories[];
+  /**
+   * A list of ISSNs of a periodical
+   *
+   * @filterable
+   * @keyword
+   */
+  ISSNs?: string[];
+
+  /**
+   * Translated properties of a periodical
+   */
+  translations?: SCTranslations<SCPeriodicalTranslatableFields>;
+
+  /**
+   * Type of a periodical
+   */
+  type: SCThingType.Periodical;
+}
+
+/**
+ * A publication published at regular intervals (e.g. a magazine or newspaper)
+ *
+ * @validatable
+ * @indexable
+ */
+export interface SCPeriodical
+  extends SCCreativeWork, SCPeriodicalWithoutReferences {
+  /**
+   * Translated properties of a periodical
+   */
+  translations?: SCTranslations<SCPeriodicalTranslatableFields>;
+
+  /**
+   * Type of a periodical
+   */
+  type: SCThingType.Periodical;
+}
+
+/**
+ * Translatable properties of a periodical
+ */
+export interface SCPeriodicalTranslatableFields
+  extends SCThingWithCategoriesTranslatableProperties, SCCreativeWorkTranslatableProperties {
+}
+
+/**
+ * Meta information about a periodical
+ */
+export class SCPeriodicalMeta extends SCThingMeta implements SCMetaTranslations<SCPeriodical> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPeriodicalCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      categories: 'Format',
+      ISSNs: 'ISSN',
+    },
+    en: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPeriodicalCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      categories: 'format',
+      ISSNs: 'ISSN',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.de,
+      type: 'Periodikum',
+      categories: {
+        electronic: 'E-Journal',
+        journal: 'Zeitschrift',
+      },
+    },
+    en: {
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.en,
+      type: 'periodical',
+      categories: {
+        electronic: 'E-Journal',
+        journal: 'journal',
+      },
+    },
+  };
+}
--- a/src/core/things/Person.ts
+++ b/src/core/things/Person.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,13 +12,14 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCThing, SCThingMeta, SCThingType, SCThingWithoutReferences} from '../Thing';
-import {SCMetaTranslations, SCNationality} from '../types/i18n';
-import {SCISO8601Date} from '../types/Time';
-import {SCBuildingWithoutReferences} from './Building';
-import {SCOrganizationWithoutReferences} from './Organization';
-import {SCPointOfInterestWithoutReferences} from './PointOfInterest';
-import {SCRoomWithoutReferences} from './Room';
+import {SCMetaTranslations, SCNationality} from '../general/i18n';
+import {SCISO8601Date} from '../general/time';
+import {SCThing, SCThingMeta, SCThingType, SCThingWithoutReferences} from './abstract/thing';
+import {SCBuildingWithoutReferences} from './building';
+import {SCContactPointWithoutReferences} from './contact-point';
+import {SCOrganizationWithoutReferences} from './organization';
+import {SCPointOfInterestWithoutReferences} from './point-of-interest';
+import {SCRoomWithoutReferences} from './room';

 /**
 * A person without references
@@ -27,11 +28,16 @@ export interface SCPersonWithoutReferences
  extends SCThingWithoutReferences {
  /**
   * Additional first names of the person.
+   *
+   * @filterable
+   * @keyword
   */
  additionalName?: string;

  /**
   * The birth date of the person.
+   *
+   * @filterable
   */
  birthDate?: SCISO8601Date;

@@ -39,46 +45,72 @@ export interface SCPersonWithoutReferences
   * The private email address of the person.
   *
   * @TJS-format email
+   *
+   * @filterable
+   * @keyword
   */
  email?: string;

  /**
   * The family name of the person.
+   *
+   * @filterable
+   * @keyword
   */
-  familyName: string;
+  familyName?: string;

  /**
   * The private fax number of the person.
+   *
+   * @filterable
+   * @keyword
   */
  faxNumber?: string;

  /**
   * The gender of the person.
+   *
+   * @filterable
   */
  gender?: SCPersonGender;

  /**
   * The first name of the person.
+   *
+   * @filterable
+   * @keyword
   */
-  givenName: string;
+  givenName?: string;

  /**
   * Honorific prefix of the person.
+   *
+   * @filterable
+   * @keyword
   */
  honorificPrefix?: string;

  /**
   * Honorific suffix of the person.
+   *
+   * @filterable
+   * @keyword
   */
  honorificSuffix?: string;

  /**
   * Titles of jobs that the person has.
+   *
+   * @filterable
+   * @keyword
   */
  jobTitles?: string[];

  /**
   * The complete name of the person combining all the parts of the name into one.
+   *
+   * @filterable
+   * @text
   */
  name: string;

@@ -89,6 +121,8 @@ export interface SCPersonWithoutReferences

  /**
   * The private telephone number of the person.
+   *
+   * @keyword
   */
  telephone?: string;

@@ -102,6 +136,7 @@ export interface SCPersonWithoutReferences
 * A person
 *
 * @validatable
+ * @indexable
 */
 export interface SCPerson
  extends SCPersonWithoutReferences, SCThing {
@@ -125,7 +160,7 @@ export interface SCPerson
  /**
   * Locations where the person performs her/his work
   */
-  workLocations?: SCContactPoint[];
+  workLocations?: SCContactPointWithoutReferences[];
 }

 /**
@@ -154,13 +189,14 @@ export class SCPersonMeta
      jobTitles: 'Berufsbezeichnungen',
      nationality: 'Staatsangehörigkeit',
      telephone: 'Telefonnummer',
-      workLocations: 'Arbeitsorte',
+      workLocations: 'Arbeitsstandorte',
    },
    en: {
      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
      additionalName: 'additional name',
      affiliations: 'affiliations',
      birthDate: 'birth date',
+      contactDetails: 'contact details',
      email: 'email',
      familyName: 'family name',
      faxNumber: 'fax',
@@ -197,43 +233,6 @@ export class SCPersonMeta
  };
 }

-/**
- * A contact point
- *
- * @see http://schema.org/ContactPoint
- */
-export interface SCContactPoint {
-  /**
-   * Exact place where work is performed
-   */
-  areaServed?: SCRoomWithoutReferences;
-
-  /**
-   * E-mail at the work location
-   */
-  email?: string;
-
-  /**
-   * Fax number at the work location
-   */
-  faxNumber?: string;
-
-  /**
-   * Times available for contacting at the work location
-   */
-  hoursAvailable?: string;
-
-  /**
-   * Contact number at the work location
-   */
-  telephone?: string;
-
-  /**
-   * URL at the work location
-   */
-  url?: string;
-}
-
 /**
 * Gender of a person
 */
--- a/src/core/things/PointOfInterest.ts
+++ b/src/core/things/PointOfInterest.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, 2019 StApps
+ * Copyright (C) 2019 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
@@ -12,17 +12,17 @@
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */
-import {SCPlace, SCPlaceWithoutReferences, SCPlaceWithoutReferencesMeta} from '../base/Place';
-import {SCThingInPlace, SCThingInPlaceMeta} from '../base/ThingInPlace';
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCPlace, SCPlaceWithoutReferences, SCPlaceWithoutReferencesMeta} from './abstract/place';
+import {SCThingMeta, SCThingType} from './abstract/thing';
+import {SCThingInPlace, SCThingInPlaceMeta} from './abstract/thing-in-place';
 import {
  SCThingWithCategories,
  SCThingWithCategoriesSpecificValues,
  SCThingWithCategoriesTranslatableProperties,
  SCThingWithCategoriesWithoutReferences,
  SCThingWithCategoriesWithoutReferencesMeta,
-} from '../base/ThingWithCategories';
-import {SCThingMeta, SCThingType} from '../Thing';
-import {SCMetaTranslations, SCTranslations} from '../types/i18n';
+} from './abstract/thing-with-categories';

 /**
 * A point of interest without references
@@ -45,6 +45,7 @@ export interface SCPointOfInterestWithoutReferences
 * A point of interest
 *
 * @validatable
+ * @indexable
 */
 export interface SCPointOfInterest
  extends SCPointOfInterestWithoutReferences, SCThingInPlace, SCPlace,
@@ -81,24 +82,16 @@ export class SCPointOfInterestMeta
   */
  fieldTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCPointOfInterestCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.de,
      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
        .de,
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCPointOfInterestCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.en,
      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
        .en,
    },
@@ -109,13 +102,9 @@ export class SCPointOfInterestMeta
   */
  fieldValueTranslations = {
    de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCPointOfInterestCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.de,
      categories: {
        'card charger': 'Kartenaufwerter',
        'computer': 'Computer',
@@ -126,13 +115,9 @@ export class SCPointOfInterestMeta
      type: 'Sonderziel',
    },
    en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCPointOfInterestCategories,
-        SCThingWithCategoriesSpecificValues
-      >().fieldValueTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<
-        SCPlaceWithoutReferencesMeta
-      >().fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.en,
      type: SCThingType.PointOfInterest,
    },
  };
--- a/src/things/publication-event.ts
+++ b/src/things/publication-event.ts
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCEvent, SCEventMeta, SCEventWithoutReferences} from './abstract/event';
+import {SCThingMeta, SCThingTranslatableProperties, SCThingType} from './abstract/thing';
+
+/**
+ * An publication event without references
+ */
+export interface SCPublicationEventWithoutReferences
+  extends SCEventWithoutReferences {
+  /**
+   * All the locations related to the event (e.g. where a creative work was published)
+   */
+  locations?: string[];
+
+  /**
+   * An organization (or a person) that is publishing at the event
+   */
+  publisher?: string;
+
+  /**
+   * Translated fields of an publication event
+   */
+  translations?: SCTranslations<SCPublicationEventTranslatableProperties>;
+
+  /**
+   * Type of an publication event
+   */
+  type: SCThingType.PublicationEvent;
+}
+
+/**
+ * An publication event
+ *
+ * @validatable
+ * @indexable
+ */
+export interface SCPublicationEvent
+  extends SCEvent, SCPublicationEventWithoutReferences {
+  /**
+   * Translated fields of an publication event
+   */
+  translations?: SCTranslations<SCPublicationEventTranslatableProperties>;
+
+  /**
+   * Type of an publication event
+   */
+  type: SCThingType.PublicationEvent;
+}
+
+/**
+ * Translatable properties of an publication event
+ */
+export interface SCPublicationEventTranslatableProperties extends SCThingTranslatableProperties {
+}
+
+/**
+ * Meta information about publication events
+ */
+export class SCPublicationEventMeta
+  extends SCThingMeta
+  implements SCMetaTranslations<SCPublicationEvent> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.de,
+      locations: 'Erscheinungsorte',
+      publisher: 'Verlag',
+    },
+    en: {
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.en,
+      locations: 'places of publication',
+      publisher: 'publisher',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.de,
+      type: 'Veröffentlichung',
+    },
+    en: {
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.en,
+      type: 'publication event',
+    },
+  };
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
wulkanat@gmail.com	937919f1a7	0.49.3	2021-08-18 09:57:22 +02:00
Wieland Schöbl	3249300dac	refactor: move indexable test files to separate folder	2021-08-17 18:55:27 +02:00
wulkanat@gmail.com	5acf49fd52	docs: update changelog	2021-08-17 18:15:19 +02:00
wulkanat@gmail.com	07b5ad1618	0.49.2	2021-08-17 18:15:11 +02:00
Wieland Schöbl	d56c3d11a8	refactor: move indexable test files to separate folder	2021-08-17 17:51:53 +02:00
wulkanat@gmail.com	83f00f40bf	docs: update changelog	2021-08-13 11:04:27 +02:00
wulkanat@gmail.com	782ee3758a	0.49.1	2021-08-13 11:04:20 +02:00
Wieland Schöbl	8a28d6fa86	fix: documentation generation	2021-08-13 08:41:54 +00:00
wulkanat@gmail.com	ed53c6595e	docs: update changelog	2021-08-12 15:45:19 +02:00
wulkanat@gmail.com	49ea2c59ab	0.49.0	2021-08-12 15:45:12 +02:00
openstappsbot	869fa831ea	refactor: update all	2021-08-12 13:10:08 +00:00
Wieland Schöbl	21eeecd5ee	feat: add elasticsearch mappings to build Add backwards compatibility check with typescript v3.8.3	2021-08-12 13:09:45 +00:00
Rainer Killinger	2dfb64bafd	refactor: remodel entities for library search and results	2021-08-12 12:41:03 +00:00
Jovan Krunić	4ab8770fbc	refactor: every indexable thing can be a favorite	2021-08-04 13:57:06 +00:00
Jovan Krunić	2cf1027796	ci: manual web docs for feature branches	2021-08-04 11:43:22 +02:00
openstappsbot	3aed37ecb4	refactor: update all	2021-08-02 13:06:03 +00:00
Jovan Krunić	ddb26b8207	ci: fix elasticsearch service (change runner) Closes #135	2021-07-29 17:28:44 +02:00
Jovan Krunić	805c1f0937	refactor: specific settings for user group and language	2021-07-27 14:02:56 +02:00
Jovan Krunić	5377d026f3	refactor: define user groups in an extra file	2021-07-21 14:53:08 +02:00
Rainer Killinger	148fd77f4d	docs: update changelog	2021-07-14 12:41:31 +02:00
Rainer Killinger	4036bfd193	0.48.0	2021-07-14 12:41:26 +02:00
Rainer Killinger	f4f372b9ad	docs: adjust @validatable documentation	2021-07-14 11:16:56 +02:00
Rainer Killinger	872c1f5fc3	fix: correct parameter name of thing update route	2021-07-14 11:16:55 +02:00
Rainer Killinger	4f2ca30dab	refactor: make resonse error types validatable	2021-07-14 11:16:55 +02:00
Wieland Schöbl	882483ee24	feat: support geo shape queries	2021-07-09 13:32:28 +00:00
openstappsbot	c998166938	refactor: update all	2021-06-23 13:11:10 +00:00
Rainer Killinger	d61e33de39	docs: update changelog	2021-06-15 10:48:03 +02:00
Rainer Killinger	07d6c4770a	0.47.0	2021-06-15 10:48:01 +02:00
openstappsbot	aab3e9fa6c	refactor: update all	2021-06-15 10:46:58 +02:00
Rainer Killinger	4a4cd4e6d4	fix: set date-series frequency non translatable	2021-06-15 09:41:27 +02:00
Wieland Schöbl	942cd11469	feat: make SCDateSeries.frequency compliant with schema.org	2021-06-07 12:23:48 +02:00
Wieland Schöbl	fe090c7387	test: increase schema timeout	2021-05-12 18:03:09 +02:00
Wieland Schöbl	f0782d8820	test: add mapping test	2021-05-12 17:52:22 +02:00
Jovan Krunić	a2461d5904	docs: update changelog	2021-05-04 16:51:52 +02:00
Jovan Krunić	d2e0069dc2	0.46.0	2021-05-04 16:51:50 +02:00
Wieland Schöbl	9c6972af78	feat: change range offer to use date range add date range type change availability filter	2021-05-04 16:48:10 +02:00
Rainer Killinger	56b03aa0b9	docs: update changelog	2021-04-26 10:29:36 +02:00
Rainer Killinger	b517837671	0.45.0	2021-04-26 10:29:34 +02:00
Rainer Killinger	6f03ede8bf	refactor: make SCCatalog level filterable	2021-04-13 16:11:44 +02:00
wulkanat@gmail.com	952207ace1	docs: update changelog	2021-04-12 15:06:12 +02:00
wulkanat@gmail.com	3d9d28c60c	0.44.0	2021-04-12 15:06:04 +02:00
Wieland Schöbl	913c5691da	feat: add support for multiple values in the value filter	2021-04-08 08:06:38 +00:00
Rainer Killinger	03cdbc6f9b	docs: update changelog	2021-04-07 13:34:33 +02:00
Rainer Killinger	9f886a8968	0.43.0	2021-04-07 13:34:29 +02:00
openstappsbot	e80afe2c93	refactor: update all	2021-04-06 16:12:49 +00:00
Rainer Killinger	6b10cc86d8	refactor: update @types/node for node version 14	2021-04-06 14:08:42 +02:00
openstappsbot	1aedd6332f	refactor: update all	2021-03-29 04:15:38 +00:00
Rainer Killinger	790c8bbc3f	docs: update changelog	2021-02-16 14:04:46 +01:00
Rainer Killinger	e934017a65	0.42.0	2021-02-16 14:04:40 +01:00
Rainer Killinger	88dbedd932	refactor: update dependenices	2021-02-15 10:57:25 +01:00
Rainer Killinger	8b1b3444fd	refactor: align SCCreativeWork to schema.org spec	2021-02-15 10:37:43 +01:00
Rainer Killinger	d5f3d71a41	refactor: overhaul translator as mentioned in #118	2021-02-15 10:37:38 +01:00
wulkanat@gmail.com	cbcf9c9adb	docs: update changelog	2021-02-08 14:59:21 +01:00
wulkanat@gmail.com	321e4f6f24	0.41.0	2021-02-08 14:59:14 +01:00
Wieland Schöbl	8510f11d7b	fix: add date, numeric range filter to SCSearchFilter	2021-02-05 13:50:18 +01:00
wulkanat@gmail.com	68aa377fe2	docs: update changelog	2021-02-05 12:59:54 +01:00
wulkanat@gmail.com	29f2c77ecc	0.40.0	2021-02-05 12:59:47 +01:00
Wieland Schöbl	29bc00616e	feat: add range filter, date sorting support	2021-02-02 15:07:49 +01:00
Rainer Killinger	02920af4a4	refactor: make SCDish additives translatable	2021-02-01 13:24:12 +00:00
Rainer Killinger	0c14b0f1a0	test: change SCSemester sample data acronym	2020-12-02 17:22:17 +01:00
Rainer Killinger	db0a239761	refactor: change SCSemester acronym pattern	2020-12-02 17:19:46 +01:00
Jovan Krunić	377f55bbbe	docs: update changelog	2020-12-01 17:16:02 +01:00
Jovan Krunić	8d7a0e10c6	0.39.0	2020-12-01 17:16:01 +01:00
Rainer Killinger	4865f911d1	refactor: utilize null coalescing	2020-11-23 10:06:14 +01:00
Rainer Killinger	15ae5e0873	refactor: remove narrow property value translation	2020-11-23 10:06:14 +01:00
Rainer Killinger	a246bdea84	feat: extend property value translation retrival	2020-11-23 10:06:13 +01:00
Wieland Schöbl	8641bfc877	docs: add @inheritTags documentation	2020-11-11 11:40:36 +01:00
Michel Jonathan Schmitz	d34e66fbbc	docs: update changelog	2020-11-02 09:06:11 +01:00
Michel Jonathan Schmitz	c6273a85d9	0.38.1	2020-11-02 08:57:41 +01:00
Michel Jonathan Schmitz	5558d29c2b	ci: remove caching	2020-10-30 15:01:00 +01:00
Michel Jonathan Schmitz	69dfd1ae39	build: replace deprecated dependencies	2020-10-30 09:50:46 +01:00
Michel Jonathan Schmitz	4638bb3684	build: update dependencies	2020-10-30 09:50:46 +01:00
Michel Jonathan Schmitz	6c687c6004	docs: update changelog	2020-10-30 09:49:52 +01:00
Michel Jonathan Schmitz	0bf1301733	0.38.0	2020-10-30 09:46:46 +01:00
Wieland Schöbl	827ba47892	refactor: swap out `jsonschema` package for `json-schema`	2020-10-29 15:14:25 +01:00
wulkanat@gmail.com	d3b620a745	docs: update changelog	2020-09-23 06:09:23 +02:00
wulkanat@gmail.com	821834cfa0	0.37.0	2020-09-23 06:09:13 +02:00
Wieland Schöbl	c369c8520a	fix: remove keyword tag from steps	2020-09-09 18:12:32 +02:00
Rainer Killinger	66075ef99b	fix: remove redundant property declaration	2020-09-02 06:38:14 +00:00
Rainer Killinger	7a6333aa8f	test: bump branch coverage limit	2020-08-31 13:52:41 +02:00
Rainer Killinger	e242a21e99	refactor: update dependencies, remove extraneous	2020-08-31 13:52:39 +02:00
Rainer Killinger	6fecd1e89d	refactor: update ts-optchain dependency	2020-08-26 12:51:10 +02:00
Sebastian Lange	f6a93e668b	docs: update changelog	2020-07-16 11:37:58 +02:00
Sebastian Lange	2f96bc8569	0.36.0	2020-07-16 11:37:56 +02:00
Rainer Killinger	9ce4026b1a	build: lower npm audit vulnerabilities	2020-07-01 08:00:26 +00:00
Rainer Killinger	e434b2d26e	test: add tests for translatedThingType function	2020-07-01 08:00:26 +00:00
Rainer Killinger	fe7f1a53ae	feat: add function to get translated SCThingType	2020-07-01 08:00:26 +00:00
Frank Nagel	907d61b5d2	ci: Change 'npm audit' failure behaviour The audit fails only if the results include a vulnerability with a level of at least 'high' in scheduled pipelines.	2020-06-19 13:12:14 +02:00
Rainer Killinger	5fb9755841	docs: update changelog	2020-05-13 11:59:43 +02:00
Rainer Killinger	e5dd02eeca	0.35.0	2020-05-13 11:59:33 +02:00
Rainer Killinger	e7b4a426a9	test: adapt tests for translatedPropertyNames	2020-05-04 13:09:03 +02:00
Rainer Killinger	7dd74af305	refactor: simplify use of translatedPropertyNames	2020-05-04 13:08:56 +02:00
Rainer Killinger	4409101647	docs: update changelog	2020-04-21 13:40:19 +02:00
Rainer Killinger	3a141e6cf4	0.34.0	2020-04-21 13:40:11 +02:00
Rainer Killinger	8a20e3e873	build: update indirect dependencies	2020-04-14 11:06:27 +02:00
Rainer Killinger	e196303e64	refactor: state explicit type in isThing function	2020-04-14 11:05:09 +02:00
Rainer Killinger	70c1a3eaa3	feat: annotate SCThing uid and url as filterable	2020-04-14 11:03:49 +02:00
Axel Nieder-Vahrenholz	6060113df5	feat: Update src/things/book.ts - made ISBN optional	2020-04-06 09:58:51 +00:00
Rainer Killinger	39d5becb56	test: add all files with functions in coverage	2020-03-09 09:34:34 +00:00
Wieland Schöbl	f5e88569eb	feat: add @sortable tags to certain translatable properties	2020-02-21 12:55:59 +01:00
Rainer Killinger	67041aa39d	docs: update changelog	2020-02-11 14:39:12 +01:00
Rainer Killinger	18943612a8	0.33.0	2020-02-11 14:39:07 +01:00
Rainer Killinger	d167947e04	refactor: update dependencies	2020-02-11 13:06:03 +01:00
Rainer Killinger	2a0dc812d8	ci: saperate aduit jobs from test stage	2020-02-06 13:23:25 +01:00
Rainer Killinger	cdb8a6507d	docs: update changelog	2020-02-04 16:15:26 +01:00
Rainer Killinger	5bedb27cad	0.32.0	2020-02-04 16:15:08 +01:00
Rainer Killinger	0d89b14932	feat: make SCContactPoint extend SCThing Refactor SCPerson and SCOrganization	2019-11-25 17:31:51 +01:00
Karl-Philipp Wulfert	5de523a4bf	docs: update changelog	2019-11-14 12:06:08 +01:00
Sebastian Lange	f97e199bb9	0.31.0	2019-11-14 11:04:28 +01:00
Rainer Killinger	abda5cf0ca	fix: translator can now handle enum translations	2019-11-11 14:46:49 +01:00
Rainer Killinger	9658f05d31	fix: remove categories from custom translations	2019-11-11 14:46:49 +01:00
Wieland Schöbl	e92bf6f7c7	docs: update changelog	2019-11-08 11:07:38 +01:00
Wieland Schöbl	ca8c4d1c05	0.30.0	2019-11-08 11:07:37 +01:00
Wieland Schöbl	443cb748fb	feat: add aggregatable tag for type field	2019-11-05 13:39:06 +01:00
Sebastian Lange	5561b36a34	refactor: add @filterable tag to filterable properties	2019-09-26 14:26:31 +02:00
Wieland Schöbl	49b55db66f	docs: add checklist for adding new SCThings	2019-09-25 12:30:25 +00:00
Roman Klopsch	01f92baa98	feat: add new field sequenceIndex to message	2019-09-23 10:57:32 +02:00
Wieland Schöbl	ce5856cd86	docs: update changelog	2019-09-17 13:26:16 +02:00
Wieland Schöbl	a821bcae83	0.29.0	2019-09-17 13:26:15 +02:00
Wieland Schöbl	149f3ffff1	feat: add mappingIgnoredTags property to SCBackend	2019-09-17 11:07:35 +00:00
Wieland Schöbl	9ca7870183	docs: add documentation for @filterable tag	2019-09-10 14:47:47 +02:00
Wieland Schöbl	87ee92b19b	docs: update changelog	2019-09-10 14:10:21 +02:00
Wieland Schöbl	44e61bf336	0.28.0	2019-09-10 14:10:20 +02:00
Wieland Schöbl	fba63db137	feat: add onlyOnType field for SCFacet	2019-09-10 07:42:11 +00:00
Wieland Schöbl	8a5251c2e6	docs: update changelog	2019-09-03 12:57:42 +02:00
Wieland Schöbl	bde71c7e3a	0.27.0	2019-09-03 12:57:41 +02:00
Wieland Schöbl	fec33715ad	feat: add @filterable tags	2019-08-21 10:34:04 +02:00
Karl-Philipp Wulfert	6dcca89257	docs: update changelog	2019-08-19 12:10:22 +02:00
Karl-Philipp Wulfert	3a65d4ba2f	0.26.0	2019-08-19 12:10:21 +02:00
Wieland Schöbl	88f579e09b	feat: add pluginRequestTimeout field to backend config	2019-08-14 10:38:53 +02:00
Rainer Killinger	be2bfb4017	build: update dependencies	2019-08-05 11:28:47 +02:00
Rainer Killinger	bad15dc872	fix: complete german translations	2019-08-05 11:10:14 +02:00
Rainer Killinger	8b090af3ed	refactor: add exercise category	2019-08-05 11:09:10 +02:00
Karl-Philipp Wulfert	747497699d	docs: update changelog	2019-07-25 15:47:00 +02:00
Karl-Philipp Wulfert	80a102cb6a	0.25.0	2019-07-25 15:46:59 +02:00
Karl-Philipp Wulfert	234cb57070	docs: add missing contributor	2019-07-25 15:45:34 +02:00
Karl-Philipp Wulfert	d4a8ef6a9c	fix: correct package job	2019-07-25 15:44:47 +02:00
Karl-Philipp Wulfert	689dc99414	build: update dependencies	2019-07-25 15:36:44 +02:00
Karl-Philipp Wulfert	27d97c4c95	docs: update changelog	2019-07-23 11:20:15 +02:00
Karl-Philipp Wulfert	e71dace32f	0.24.0	2019-07-23 11:20:14 +02:00
Roman Klopsch	180c966891	docs: apply changes mentioned in discussion	2019-07-23 09:27:18 +02:00
Roman Klopsch	65730d603a	refactor: apply changes mentioned in discussion	2019-07-23 09:27:17 +02:00
Roman Klopsch	7fbe1620ee	refactor: rename receivingOrganizations field	2019-07-23 09:27:17 +02:00
Roman Klopsch	d781dd6de5	feat: add new field receivingOrganisations to message	2019-07-23 09:27:17 +02:00
Karl-Philipp Wulfert	86f3f8dfae	docs: update changelog	2019-07-15 11:42:27 +02:00
Karl-Philipp Wulfert	34fe32b404	0.23.1	2019-07-15 11:42:26 +02:00
Michel Jonathan Schmitz	f262a6b8fa	fix: use correct generic for the distance filter	2019-07-15 11:04:41 +02:00
Karl-Philipp Wulfert	e1d4b2bc9d	feat: add type maps from routes to requests and responses Fixes #80	2019-07-04 14:56:48 +02:00
Jovan Krunić	c3a9606f9d	docs: update changelog	2019-07-03 15:30:38 +02:00
Jovan Krunić	dd56d97945	0.23.0	2019-07-03 15:30:33 +02:00
Jovan Krunić	43851d2d35	feat: support 404 (resource not found) error on plugin register route	2019-07-03 15:13:38 +02:00
Karl-Philipp Wulfert	b6272e9229	test: update NYC configuration	2019-06-28 12:42:45 +02:00
Karl-Philipp Wulfert	13dae1fb06	build: update dependencies	2019-06-28 12:38:28 +02:00
Karl-Philipp Wulfert	c18e3c15f1	feat: add mapping type from response to request and vice versa Fixes #80	2019-06-28 12:36:52 +02:00
Karl-Philipp Wulfert	54d44f1acb	docs: update changelog	2019-06-28 11:32:37 +02:00
Karl-Philipp Wulfert	47b686dfd0	0.22.0	2019-06-28 11:32:36 +02:00
Wieland Schöbl	89eb10451c	refactor: state types of generics explicitly	2019-06-27 12:16:29 +02:00
Karl-Philipp Wulfert	ceab7cc7ef	refactor: tidy structure of source files Fixes #79	2019-06-19 16:18:03 +02:00
Karl-Philipp Wulfert	5de9bf3794	docs: add missing copyright years	2019-06-19 14:24:06 +02:00
Karl-Philipp Wulfert	02593a013c	docs: add missing contributor	2019-06-19 14:23:57 +02:00
Karl-Philipp Wulfert	472038ec62	docs: update changelog	2019-06-19 14:21:49 +02:00
Karl-Philipp Wulfert	3a84d12f26	0.21.0	2019-06-19 14:21:48 +02:00
Karl-Philipp Wulfert	b621a12689	refactor: adjust to new tslint settings	2019-06-18 17:26:54 +02:00
Karl-Philipp Wulfert	6ffa4efbaf	build: add automatic publishing Fixes #72	2019-06-17 15:40:40 +02:00
Karl-Philipp Wulfert	e41169a9c7	refactor: adjust model to not contain `any`	2019-06-17 10:06:38 +00:00
Karl-Philipp Wulfert	46194b177b	test: walk along dependency chains	2019-06-17 10:06:38 +00:00
Karl-Philipp Wulfert	ff1f554e0b	feat: add static typed test for consistency Fixes #71	2019-06-17 10:06:38 +00:00
Benjamin Jöckel	9c424b0f96	feat: add ES annotations	2019-06-11 16:42:52 +02:00
Jovan Krunić	55b5248660	docs: update changelog	2019-06-11 16:21:56 +02:00