0.67.0

Add backwards compatibility check with typescript v3.8.3

.gitlab-ci.yml

@@ -5,6 +5,7 @@ before_script:
 
 stages:
   - build
+  - review
   - test
   - audit
   - deploy
@@ -21,6 +22,46 @@ 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: audit
   script:
@@ -47,6 +88,21 @@ 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

.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>

CHANGELOG.md

@@ -1,8 +1,241 @@
-# [0.38.0](https://gitlab.com/openstapps/core/compare/v0.37.0...v0.38.0) (2020-10-30)
+## [0.66.1](https://gitlab.com/openstapps/core/compare/v0.66.0...v0.66.1) (2022-05-27)
+
+
+
+# [0.66.0](https://gitlab.com/openstapps/core/compare/v0.65.1...v0.66.0) (2022-05-11)
+
 
 ### Features
 
-* Replaced `jsonschema` package for `json-schema`
+* add geo filter envelope support ([484be6a](https://gitlab.com/openstapps/core/commit/484be6a890d743601efa5d40d33ea2c619f3126d))
+
+
+
+## [0.65.1](https://gitlab.com/openstapps/core/compare/v0.65.0...v0.65.1) (2022-04-04)
+
+
+
+# [0.65.0](https://gitlab.com/openstapps/core/compare/v0.64.0...v0.65.0) (2022-04-04)
+
+
+
+# [0.64.0](https://gitlab.com/openstapps/core/compare/v0.63.0...v0.64.0) (2022-03-21)
+
+
+
+# [0.63.0](https://gitlab.com/openstapps/core/compare/v0.62.0...v0.63.0) (2022-01-24)
+
+
+### Bug Fixes
+
+* add auth object to index route ([e149931](https://gitlab.com/openstapps/core/commit/e14993114f0ec370775010eee4ad0d302a0beebb))
+
+
+
+# [0.62.0](https://gitlab.com/openstapps/core/compare/v0.61.0...v0.62.0) (2022-01-21)
+
+
+### Bug Fixes
+
+* add missing lastPublished to SCCreativeWork ([e0adb23](https://gitlab.com/openstapps/core/commit/e0adb2332ec24ce388c4c008b51b7aa941948532))
+
+
+
+# [0.61.0](https://gitlab.com/openstapps/core/compare/v0.60.0...v0.61.0) (2022-01-21)
+
+
+
+# [0.60.0](https://gitlab.com/openstapps/core/compare/v0.59.0...v0.60.0) (2022-01-21)
+
+
+
+# [0.59.0](https://gitlab.com/openstapps/core/compare/v0.58.0...v0.59.0) (2022-01-20)
+
+
+
+# [0.58.0](https://gitlab.com/openstapps/core/compare/v0.57.0...v0.58.0) (2022-01-18)
+
+
+
+# [0.57.0](https://gitlab.com/openstapps/core/compare/v0.56.0...v0.57.0) (2022-01-18)
+
+
+### Features
+
+* extend config to describe auth providers ([7553620](https://gitlab.com/openstapps/core/commit/7553620a5d330ebfb66461afeab700e36bd37165))
+
+
+
+# [0.56.0](https://gitlab.com/openstapps/core/compare/v0.55.0...v0.56.0) (2021-12-17)
+
+
+
+# [0.55.0](https://gitlab.com/openstapps/core/compare/v0.54.0...v0.55.0) (2021-12-15)
+
+
+
+# [0.54.0](https://gitlab.com/openstapps/core/compare/v0.53.0...v0.54.0) (2021-11-17)
+
+
+### Features
+
+* add SCAssessment ([7a2e0f2](https://gitlab.com/openstapps/core/commit/7a2e0f20d1c64ab1deb7ab30bfb4bab4daaabd6d))
+
+
+
+# [0.53.0](https://gitlab.com/openstapps/core/compare/v0.52.0...v0.53.0) (2021-10-19)
+
+
+
+# [0.52.0](https://gitlab.com/openstapps/core/compare/v0.51.0...v0.52.0) (2021-09-28)
+
+
+### Features
+
+* add about config ([aa294c4](https://gitlab.com/openstapps/core/commit/aa294c4e29e9191bef6d79487b0b321fbc34f6fb))
+
+
+
+# [0.51.0](https://gitlab.com/openstapps/core/compare/v0.50.0...v0.51.0) (2021-09-10)
+
+
+### Bug Fixes
+
+* add physicalobject to book categories ([ded8e7d](https://gitlab.com/openstapps/core/commit/ded8e7dfd51094c02a86e1383a4e94c069c10e64))
+
+
+
+# [0.50.0](https://gitlab.com/openstapps/core/compare/v0.49.5...v0.50.0) (2021-09-01)
+
+
+
+## [0.49.5](https://gitlab.com/openstapps/core/compare/v0.49.3...v0.49.5) (2021-08-27)
+
+
+### Bug Fixes
+
+* test resources from hds2 ([dfe35d7](https://gitlab.com/openstapps/core/commit/dfe35d71a38c35064726365f99714abff3b30ba6))
+
+
+
+## [0.49.3](https://gitlab.com/openstapps/core/compare/v0.49.2...v0.49.3) (2021-08-18)
+
+
+
+## [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)
 

README.md

@@ -35,16 +35,18 @@ node --require ts-node/register src/cli.ts routes PATH/TO/ROUTES.md
 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    |
-|-------------------|-------------------------------------------|---------------|
+| 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 | sort method to be used: `ducet`, `price`, `distance` |
-| `@text`           | string field is interpreted as text       |               |
-| `@validatable`    | marks the type as validatable if the core schema is used to put data into a database/key-value store |               |
-| `@filterable`     | non-object/nested field is filterable if the core schema is used to put data into a database/key-value store    |               |
-
+| `@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.*

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@openstapps/core",
-  "version": "0.38.1",
+  "version": "0.67.0",
   "description": "StAppsCore - Generalized model of data",
   "keywords": [
     "Model",
@@ -14,17 +14,19 @@
   "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 --entryPointStrategy expand src",
     "pack": "openstapps-core-tools pack",
     "postversion": "npm run changelog",
     "prepublishOnly": "npm ci && npm run build",
     "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'"
   },
@@ -32,44 +34,51 @@
   "contributors": [
     "Andreas Lehmann",
     "Anselm Stordeur <anselmstordeur@gmail.com>",
+    "Axel Nieder-Vahrenholz",
     "Benjamin Jöckel",
-    "Imran Hossain",
+    "Frank Nagel",
     "Jovan Krunić <jovan.krunic@gmail.com>",
     "Michel Jonathan Schmitz",
     "Rainer Killinger <mail-openstapps@killinger.co>",
+    "Roman Klopsch",
     "Sebastian Lange",
-    "Wieland Schöbl",
-    "Roman Klopsch"
+    "Wieland Schöbl"
   ],
   "dependencies": {
-    "@openstapps/core-tools": "0.16.0",
+    "@openstapps/core-tools": "0.30.1",
     "@types/geojson": "1.0.6",
     "@types/json-patch": "0.0.30",
-    "@types/json-schema": "7.0.6",
-    "@types/node": "10.17.44",
-    "fast-clone": "1.5.13",
-    "http-status-codes": "2.1.4",
+    "@types/json-schema": "7.0.11",
+    "@types/node": "14.18.18",
+    "fast-deep-equal": "3.1.3",
+    "http-status-codes": "2.2.0",
     "json-patch": "0.7.0",
-    "json-schema": "0.2.5",
+    "json-schema": "0.4.0",
+    "rfdc": "1.3.0",
     "ts-optchain": "0.1.8"
   },
   "devDependencies": {
-    "@openstapps/configuration": "0.25.0",
-    "@openstapps/logger": "0.5.0",
-    "@testdeck/mocha": "0.1.2",
-    "@types/chai": "4.2.14",
-    "@types/rimraf": "3.0.0",
-    "chai": "4.2.0",
+    "@openstapps/configuration": "0.29.1",
+    "@openstapps/es-mapping-generator": "0.1.0",
+    "@openstapps/logger": "0.8.1",
+    "@testdeck/mocha": "0.2.0",
+    "@types/chai": "4.3.1",
+    "@types/lodash": "4.14.182",
+    "@types/mocha": "9.1.1",
+    "@types/rimraf": "3.0.2",
+    "chai": "4.3.6",
     "conditional-type-checks": "1.0.5",
-    "conventional-changelog-cli": "2.1.0",
-    "mocha": "8.2.0",
+    "conventional-changelog-cli": "2.2.2",
+    "lodash": "4.17.21",
+    "mocha": "10.0.0",
     "nyc": "15.1.0",
     "rimraf": "3.0.2",
-    "source-map-support": "0.5.19",
-    "ts-node": "9.0.0",
+    "source-map-support": "0.5.21",
+    "surge": "0.23.1",
+    "ts-node": "10.8.0",
     "tslint": "6.1.3",
-    "typedoc": "0.18.0",
-    "typescript": "3.8.3"
+    "typedoc": "0.22.15",
+    "typescript": "4.3.5"
   },
   "nyc": {
     "all": true,

src/config/app.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -15,7 +15,9 @@
 // tslint:disable-next-line:no-implicit-dependencies
 import {Polygon} from 'geojson';
 import {SCTranslations} from '../general/i18n';
-import {SCSetting} from '../things/setting';
+import {SCMap} from '../general/map';
+import {SCLanguageSetting, SCSetting, SCUserGroupSetting} from '../things/setting';
+import {SCFeatureConfiguration} from './feature';
 
 /**
  * An app configuration menu item
@@ -80,15 +82,22 @@ export interface SCAppConfigurationMenuCategory {
  * An app configuration
  */
 export interface SCAppConfiguration {
+  /**
+   * The about page
+   *
+   * Mapping route -> page config
+   */
+  aboutPages: SCMap<SCAboutPage>;
+
   /**
    * Polygon that encapsulates the main campus
    */
   campusPolygon: Polygon;
 
   /**
-   * A list of features to en- or disable
+   * Maps of enabled features (plugins and external services)
    */
-  features: SCAppConfigurationFeature;
+  features: SCFeatureConfiguration;
 
   /**
    * A URL where images are available
@@ -112,8 +121,9 @@ 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
@@ -126,16 +136,6 @@ export interface SCAppConfiguration {
   url?: string;
 }
 
-/**
- * Map of features
- */
-export interface SCAppConfigurationFeature {
-  /**
-   * Whether or not widgets are enabled
-   */
-  widgets: boolean;
-}
-
 /**
  * URLs of published apps
  */
@@ -173,3 +173,147 @@ export interface SCAppConfigurationMenuCategoryTranslationName {
    */
   name: string;
 }
+
+export enum SCAboutPageContentType {
+  SECTION = 'section',
+  ROUTER_LINK = 'router link',
+  TABLE = 'table',
+  MARKDOWN = 'markdown',
+}
+
+export interface SCAboutPageTranslationTitle {
+  /**
+   * Translation of the title
+   */
+  title: string;
+}
+
+export interface SCAboutPageTranslationValue {
+  /**
+   * Translation of the value
+   */
+  value: string;
+}
+
+/**
+ * A (mostly) self-contained section, akin to markdown `# Title`
+ */
+export interface SCAboutPageSection {
+  /**
+   * If the section should be contained in a card
+   */
+  card?: true;
+
+  /**
+   * The content of the section
+   */
+  content: SCAboutPageContent;
+
+  /**
+   * The title of the section
+   */
+  title: string;
+
+  /**
+   * Translations
+   */
+  translations: SCTranslations<SCAboutPageTranslationTitle>;
+
+  /**
+   * Type
+   */
+  type: SCAboutPageContentType.SECTION;
+}
+
+/**
+ * A router link that can lead to a new page
+ *
+ * For external links, prefer markdown `[destination](link)`
+ */
+export interface SCAboutPageRouterLink {
+  /**
+   * Icon of the destination
+   */
+  icon?: string;
+
+  /**
+   * Router link
+   */
+  link: string;
+
+  /**
+   * Title of the destination
+   */
+  title: string;
+
+  /**
+   * Translations
+   */
+  translations: SCTranslations<SCAboutPageTranslationTitle>;
+
+  /**
+   * Type
+   */
+  type: SCAboutPageContentType.ROUTER_LINK;
+}
+
+/**
+ * A simple table element
+ */
+export interface SCAboutPageTable {
+  /**
+   * Rows of the table
+   */
+  rows: SCAboutPageContent[][];
+
+  /**
+   * Type
+   */
+  type: SCAboutPageContentType.TABLE;
+}
+
+/**
+ * A markdown element
+ */
+export interface SCAboutPageMarkdown {
+  /**
+   * Translations
+   */
+  translations: SCTranslations<SCAboutPageTranslationValue>;
+
+  /**
+   * Type
+   */
+  type: SCAboutPageContentType.MARKDOWN;
+
+  /**
+   * Value (Markdown)
+   */
+  value: string;
+}
+
+export type SCAboutPageContent =
+  | SCAboutPageMarkdown
+  | SCAboutPageTable
+  | SCAboutPageSection
+  | SCAboutPageRouterLink;
+
+/**
+ * Root of the about page
+ */
+export interface SCAboutPage {
+  /**
+   * Content of the page
+   */
+  content: SCAboutPageContent[];
+
+  /**
+   * Header (title) of the page
+   */
+  title: string;
+
+  /**
+   * Translations
+   */
+  translations: SCTranslations<SCAboutPageTranslationTitle>;
+}

src/config/authorization.ts

@@ -0,0 +1,96 @@
+/*
+ * 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 {SCUserConfigurationMap} from './user';
+
+/**
+ * Supported authorization provider types
+ *
+ * @see https://datatracker.ietf.org/doc/html/rfc6749#section-1.3.1
+ * @see https://github.com/gbv/paia
+ */
+export type SCAuthorizationProviderType = 'default' | 'paia' ;
+
+/**
+ * An authorization provider complete configuration
+ */
+export interface SCAuthorizationProvider {
+  /**
+   * An authorization provider client configuration
+   */
+  client: SCAuthorizationProviderClient;
+
+  /**
+   * An authorization provider endpoints configuration
+   */
+  endpoints: SCAuthorizationProviderEndpoints;
+}
+
+/**
+ * An authorization provider client configuration
+ */
+export interface SCAuthorizationProviderClient {
+  /**
+   * Client ID
+   */
+  clientId: string;
+
+  /**
+   * Scopes to request
+   */
+  scopes: string;
+
+  /**
+   * Main url to reach authorization provider
+   */
+  url: string;
+}
+
+/**
+ * An authorization provider endpoints configuration
+ */
+export interface SCAuthorizationProviderEndpoints {
+  /**
+   * URL to start authentication flow
+   */
+  authorization: string;
+
+  /**
+   * URL to end current session
+   */
+  endSession?: string;
+
+  /**
+   * Mapping of how to create SCUser from userinfo endpoint response (using JSONPath syntax)
+   *
+   * @see https://www.npmjs.com/package/jsonpath
+   */
+  mapping: SCUserConfigurationMap;
+
+  /**
+   * URL to revoke a token
+   */
+  revoke?: string;
+
+  /**
+   * URL to get access Token
+   */
+  token: string;
+
+  /**
+   * URL to general user info endpoint
+   */
+  userinfo: string;
+}

src/config/feature.ts

@@ -0,0 +1,49 @@
+/*
+ * 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 {SCMap} from '../general/map';
+import {SCAuthorizationProviderType} from './authorization';
+
+export interface SCFeatureConfiguration {
+  /**
+   * Map of extern services mapped by their name (statically)
+   */
+  extern?: SCMap<SCFeatureConfigurationExtern>;
+
+  /**
+   * Map of plugins registered with the backend mapped by their name.
+   */
+  plugins?: SCMap<SCFeatureConfigurationPlugin>;
+}
+
+
+export interface SCFeatureConfigurationPlugin {
+  /**
+   * URL path registered with the backend
+   */
+  urlPath: string;
+}
+
+export interface SCFeatureConfigurationExtern {
+  /**
+   * Key of authorization provider available in SCConfigFile
+   */
+  authProvider?: SCAuthorizationProviderType;
+
+  /**
+   * URL of extern service
+   */
+  url: string;
+}

src/config/file.ts

@@ -14,6 +14,7 @@
  */
 import {SCLicensePlate} from '../general/namespaces';
 import {SCAppConfiguration} from './app';
+import {SCAuthorizationProvider, SCAuthorizationProviderType} from './authorization';
 import {SCBackendConfiguration, SCBackendInternalConfiguration} from './backend';
 
 /**
@@ -27,6 +28,11 @@ export interface SCConfigFile {
    */
   app: SCAppConfiguration;
 
+  /**
+   * Configuration for the supported authorization providers
+   */
+  auth: { [key in SCAuthorizationProviderType]?: SCAuthorizationProvider; };
+
   /**
    * Configuration for the backend that is visible to clients
    */

src/config/user.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/>.
+ */
+
+/**
+ * User configuration keys mapped to string type while including their requiredness
+ */
+export type SCUserConfigurationMap = { [K in keyof  SCUserConfigurationOptional]?: string } & { [K in keyof SCUserConfigurationRequired]: string };
+
+/**
+ * A user configuration
+ */
+export type SCUserConfiguration = SCUserConfigurationRequired & SCUserConfigurationOptional;
+
+/**
+ * A user configurations required properties
+ */
+interface SCUserConfigurationRequired {
+  /**
+   * ID given to the user
+   */
+  id: string;
+  /**
+   * The complete name of the user combining all the parts of the name into one
+   */
+  name: string;
+}
+
+/**
+ * A user configurations optional properties
+ */
+ interface SCUserConfigurationOptional {
+  /**
+   * User's e-mail
+   */
+  email?: string;
+  /**
+   * User's family name
+   */
+  familyName?: string;
+  /**
+   * User's given name
+   */
+  givenName?: string;
+  /**
+   * Role assigned to the user
+   */
+  role?: string;
+  /**
+   * Student ID given to the user
+   */
+  studentId?: string;
+}

src/general/time.ts

@@ -16,8 +16,10 @@
 /**
  * An ISO8601 date
  *
- * @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)?)?)?)?$
+ * @pattern ^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[01]|0[1-9]|[12][0-9])(T(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])([\.,][0-9]{0,7})?(Z|[+-](?:2[0-3]|[01][0-9])(:?[0-5][0-9])?)?)?$
  * @see https://gist.github.com/philipashlock/8830168
+ *
+ * @date
  */
 export type SCISO8601Date = string;
 /* tslint:enable */
@@ -35,6 +37,6 @@ export type SCISO8601Duration = string;
 /**
  * An ISO8601 time
  *
- * @pattern \d{2}:\d{2}(:\d{2})?
+ * @pattern ^(2[0-3]|[01][0-9]):?([0-5][0-9]):?([0-5][0-9])$
  */
 export type SCISO8601Time = string;

src/meta.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -15,11 +15,12 @@
 import {SCThingType} from './things/abstract/thing';
 import {SCAcademicEvent, SCAcademicEventMeta, SCAcademicEventWithoutReferences} from './things/academic-event';
 import {SCArticle, SCArticleMeta, SCArticleWithoutReferences} from './things/article';
+import {SCAssessment, SCAssessmentMeta, SCAssessmentWithoutReferences} from './things/assessment';
 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 {SCCourseOfStudy, SCCourseOfStudyMeta, SCCourseOfStudyWithoutReferences} from './things/course-of-study';
 import {SCDateSeries, SCDateSeriesMeta, SCDateSeriesWithoutReferences} from './things/date-series';
 import {SCDiff, SCDiffMeta, SCDiffWithoutReferences} from './things/diff';
 import {SCDish, SCDishMeta, SCDishWithoutReferences} from './things/dish';
@@ -27,8 +28,14 @@ import {SCFavorite, SCFavoriteMeta, SCFavoriteWithoutReferences} from './things/
 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';
@@ -45,13 +52,14 @@ import {SCVideo, SCVideoMeta, SCVideoWithoutReferences} from './things/video';
  */
 export const SCClasses: { [K in SCThingType]: object } = {
   /* tslint:enable */
+  'assessment': SCAssessmentMeta,
   'academic event': SCAcademicEventMeta,
   'article': SCArticleMeta,
   'book': SCBookMeta,
   'building': SCBuildingMeta,
   'catalog': SCCatalogMeta,
   'contact point': SCContactPointMeta,
-  'course of studies': SCCourseOfStudiesMeta,
+  'course of study': SCCourseOfStudyMeta,
   'date series': SCDateSeriesMeta,
   'diff': SCDiffMeta,
   'dish': SCDishMeta,
@@ -59,8 +67,10 @@ export const SCClasses: { [K in SCThingType]: object } = {
   'floor': SCFloorMeta,
   'message': SCMessageMeta,
   'organization': SCOrganizationMeta,
+  'periodical': SCPeriodicalMeta,
   'person': SCPersonMeta,
   'point of interest': SCPointOfInterestMeta,
+  'publication event': SCPublicationEventMeta,
   'room': SCRoomMeta,
   'semester': SCSemesterMeta,
   'setting': SCSettingMeta,
@@ -72,25 +82,26 @@ export const SCClasses: { [K in SCThingType]: object } = {
   'video': SCVideoMeta,
 };
 
-export type SCThingsWithoutDiff =
-  SCAcademicEvent
+export type SCIndexableThings =
+  SCAssessment
+  | SCAcademicEvent
   | SCArticle
   | SCBook
   | SCBuilding
   | SCCatalog
   | SCContactPoint
-  | SCCourseOfStudies
+  | SCCourseOfStudy
   | SCDateSeries
   | SCDish
-  | SCFavorite
   | SCFloor
   | SCMessage
   | SCOrganization
+  | SCPeriodical
   | SCPerson
   | SCPointOfInterest
+  | SCPublicationEvent
   | SCRoom
   | SCSemester
-  | SCSetting
   | SCSportCourse
   | SCStudyModule
   | SCTicket
@@ -102,8 +113,8 @@ export type SCThingsWithoutDiff =
  * An object that exists in the StAppsCore
  */
 export type SCThings =
-  SCThingsWithoutDiff
-  | SCDiff;
+  SCIndexableThings
+  | SCDiff | SCFavorite | SCSetting;
 
 /**
  * A field of a thing
@@ -114,60 +125,66 @@ 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 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 extends SCAssessment ? SCAssessmentWithoutReferences :
+    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 SCCourseOfStudy ? SCCourseOfStudyWithoutReferences :
+                  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 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;
+  THING extends SCAssessmentWithoutReferences ? SCAssessment :
+    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 SCCourseOfStudyWithoutReferences ? SCCourseOfStudy :
+                  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;

src/protocol/errors/internal-server-error.ts

@@ -12,11 +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/>.
  */
-import {BAD_GATEWAY} from 'http-status-codes';
+import {StatusCodes} 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 {
   /**
@@ -32,7 +34,7 @@ export class SCInternalServerErrorResponse extends SCError {
    * and the internal server error should be displayed to the client
    */
   constructor(err?: Error, stack = false) {
-    super('InternalServerError', 'Internal server error', BAD_GATEWAY, stack);
+    super('InternalServerError', 'Internal server error', StatusCodes.BAD_GATEWAY, stack);
 
     if (stack) {
       this.additionalData = err;

src/protocol/errors/method-not-allowed.ts

@@ -12,11 +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/>.
  */
-import {METHOD_NOT_ALLOWED} from 'http-status-codes';
+import {StatusCodes} 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 {
   /**
@@ -25,6 +27,6 @@ export class SCMethodNotAllowedErrorResponse extends SCError {
    * @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);
+    super('MethodNotAllowedError', 'HTTP method is not allowed on this route', StatusCodes.METHOD_NOT_ALLOWED, stack);
   }
 }

src/protocol/errors/not-found.ts

@@ -12,11 +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/>.
  */
-import {NOT_FOUND} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCError} from '../error';
 
 /**
  * An error that is returned when the requested route or resource was not found
+ *
+ * @validatable
  */
 export class SCNotFoundErrorResponse extends SCError {
   /**
@@ -25,6 +27,6 @@ export class SCNotFoundErrorResponse extends SCError {
    * @param stack Set to true if a stack trace should be created
    */
   constructor(stack?: boolean) {
-    super('NotFoundError', 'Resource not found', NOT_FOUND, stack);
+    super('NotFoundError', 'Resource not found', StatusCodes.NOT_FOUND, stack);
   }
 }

src/protocol/errors/parameters-not-acceptable.ts

@@ -12,12 +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 {NOT_ACCEPTABLE} from 'http-status-codes';
+import {StatusCodes} 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 {
   /**
@@ -27,6 +29,6 @@ export class SCParametersNotAcceptable extends SCError {
    * @param stack Set to true if a stack trace should be created
    */
   constructor(message: string, stack?: boolean) {
-    super('ParametersNotAcceptable', message, NOT_ACCEPTABLE, stack);
+    super('ParametersNotAcceptable', message, StatusCodes.NOT_ACCEPTABLE, stack);
   }
 }

src/protocol/errors/plugin-already-registered.ts

@@ -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 {CONFLICT} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCError} from '../error';
 import {SCPluginMetaData} from '../routes/plugin-register';
 
@@ -20,6 +20,8 @@ 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 {
   /**
@@ -36,7 +38,7 @@ export class SCPluginAlreadyRegisteredErrorResponse extends SCError {
    * @param stack Set to true if a stack trace should be created
    */
   constructor(message: string, plugin: SCPluginMetaData, stack = false) {
-    super('SCPluginAlreadyRegisteredError', message, CONFLICT, stack);
+    super('SCPluginAlreadyRegisteredError', message, StatusCodes.CONFLICT, stack);
     if (stack) {
       this.additionalData = plugin;
     }

src/protocol/errors/plugin-registering-failed.ts

@@ -12,11 +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/>.
  */
-import {INTERNAL_SERVER_ERROR} from 'http-status-codes';
+import {StatusCodes} 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 {
   /**
@@ -26,6 +28,6 @@ export class SCPluginRegisteringFailedErrorResponse extends SCError {
    * @param stack Set to true if a stack trace should be created
    */
   constructor(message: string, stack?: boolean) {
-    super('PluginRegisteringFailedError', message, INTERNAL_SERVER_ERROR, stack);
+    super('PluginRegisteringFailedError', message, StatusCodes.INTERNAL_SERVER_ERROR, stack);
   }
 }

src/protocol/errors/request-body-too-large.ts

@@ -12,11 +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/>.
  */
-import {REQUEST_TOO_LONG} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCError} from '../error';
 
 /**
  * An error that is returned, when the request body is too large.
+ *
+ * @validatable
  */
 export class SCRequestBodyTooLargeErrorResponse extends SCError {
   /**
@@ -25,6 +27,6 @@ export class SCRequestBodyTooLargeErrorResponse extends SCError {
    * @param stack Set to true if a stack trace should be created
    */
   constructor(stack?: boolean) {
-    super('RequestBodyTooLargeError', 'The request body is too large.', REQUEST_TOO_LONG, stack);
+    super('RequestBodyTooLargeError', 'The request body is too large.', StatusCodes.REQUEST_TOO_LONG, stack);
   }
 }

src/protocol/errors/syntax-error.ts

@@ -12,11 +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/>.
  */
-import {BAD_REQUEST} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCError} from '../error';
 
 /**
  * An error that is returned whenever there is a syntax error
+ *
+ * @validatable
  */
 export class SCSyntaxErrorResponse extends SCError {
   /**
@@ -26,6 +28,6 @@ export class SCSyntaxErrorResponse extends SCError {
    * @param stack Set to true if a stack trace should be created
    */
   constructor(message: string, stack?: boolean) {
-    super('SyntaxError', message, BAD_REQUEST, stack);
+    super('SyntaxError', message, StatusCodes.BAD_REQUEST, stack);
   }
 }

src/protocol/errors/too-many-requests.ts

@@ -12,11 +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/>.
  */
-import {TOO_MANY_REQUESTS} from 'http-status-codes';
+import {StatusCodes} 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 {
   /**
@@ -28,7 +30,7 @@ export class SCTooManyRequestsErrorResponse extends SCError {
     super(
       'TooManyRequestsError',
       'Too many requests. You can not submit more than 5 queries an once',
-      TOO_MANY_REQUESTS,
+      StatusCodes.TOO_MANY_REQUESTS,
       stack,
     );
   }

src/protocol/errors/unsupported-media-type.ts

@@ -12,11 +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/>.
  */
-import {UNSUPPORTED_MEDIA_TYPE} from 'http-status-codes';
+import {StatusCodes} 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 {
   /**
@@ -25,6 +27,6 @@ export class SCUnsupportedMediaTypeErrorResponse extends SCError {
    * @param stack Set to true if a stack trace should be created
    */
   constructor(stack?: boolean) {
-    super('UnsupportedMediaTypeError', 'Unsupported media type', UNSUPPORTED_MEDIA_TYPE, stack);
+    super('UnsupportedMediaTypeError', 'Unsupported media type', StatusCodes.UNSUPPORTED_MEDIA_TYPE, stack);
   }
 }

src/protocol/errors/validation.ts

@@ -12,12 +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 {ValidationError} from '@openstapps/core-tools/lib/common';
-import {BAD_REQUEST} from 'http-status-codes';
+import {ValidationError} from '@openstapps/core-tools/lib/types/validator';
+import {StatusCodes} 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 {
   /**
@@ -32,7 +34,7 @@ export class SCValidationErrorResponse extends SCError {
    * @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);
+    super('ValidationError', 'Validation of request failed', StatusCodes.BAD_REQUEST, stack);
     this.additionalData = errors;
   }
 }

src/protocol/route.ts

@@ -78,9 +78,9 @@ export interface SCRoute {
   statusCodeSuccess: number;
 
   /**
-   * URL fragment of the route
+   * URL path of the route
    */
-  urlFragment: string;
+  urlPath: string;
 }
 
 /**
@@ -112,16 +112,16 @@ export abstract class SCAbstractRoute implements SCRoute {
    */
   statusCodeSuccess = 200;
   /**
-   * @see SCRoute.urlFragment
+   * @see SCRoute.urlPath
    */
-  urlFragment = '/';
+  urlPath = '/';
 
   /**
-   * Get "compiled" URL fragment
+   * Get "compiled" URL path
    *
-   * @param parameters Parameters to compile URL fragment with
+   * @param parameters Parameters to compile URL path with
    */
-  public getUrlFragment(parameters: SCMap<string> = {}): string {
+  public getUrlPath(parameters: SCMap<string> = {}): string {
     let obligatoryParameters: string[] = [];
 
     if (typeof this.obligatoryParameters === 'object') {
@@ -132,7 +132,7 @@ export abstract class SCAbstractRoute implements SCRoute {
       throw new Error('Extraneous parameters provided.');
     }
 
-    return this.urlFragment
+    return this.urlPath
       .split('/')
       .map((part) => {
         if (part.indexOf(':') !== 0) {

src/protocol/routes/book-availability.ts

@@ -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 {OK} from 'http-status-codes';
+import {StatusCodes} 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';
@@ -88,7 +88,7 @@ export class SCBookAvailabilityRoute extends SCAbstractRoute {
     this.method = SCRouteHttpVerbs.POST;
     this.requestBodyName = 'SCBookAvailabilityRequest';
     this.responseBodyName = 'SCBookAvailabilityResponse';
-    this.statusCodeSuccess = OK;
-    this.urlFragment = '/bookAvailability';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/bookAvailability';
   }
 }

src/protocol/routes/bulk-add.ts

@@ -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 {CREATED} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCThings} from '../../meta';
 import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
 import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
@@ -59,7 +59,7 @@ export class SCBulkAddRoute extends SCAbstractRoute {
     };
     this.requestBodyName = 'SCBulkAddRequest';
     this.responseBodyName = 'SCBulkAddResponse';
-    this.statusCodeSuccess = CREATED;
-    this.urlFragment = '/bulk/:UID';
+    this.statusCodeSuccess = StatusCodes.CREATED;
+    this.urlPath = '/bulk/:UID';
   }
 }

src/protocol/routes/bulk-done.ts

@@ -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 {NO_CONTENT} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
 import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
 import {SCNotFoundErrorResponse} from '../errors/not-found';
@@ -59,7 +59,7 @@ export class SCBulkDoneRoute extends SCAbstractRoute {
     };
     this.requestBodyName = 'SCBulkDoneRequest';
     this.responseBodyName = 'SCBulkDoneResponse';
-    this.statusCodeSuccess = NO_CONTENT;
-    this.urlFragment = '/bulk/:UID/done';
+    this.statusCodeSuccess = StatusCodes.NO_CONTENT;
+    this.urlPath = '/bulk/:UID/done';
   }
 }

src/protocol/routes/bulk-request.ts

@@ -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 {OK} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCISO8601Date} from '../../general/time';
 import {SCUuid} from '../../general/uuid';
 import {SCThingType} from '../../things/abstract/thing';
@@ -98,7 +98,7 @@ export class SCBulkRoute extends SCAbstractRoute {
     this.method = SCRouteHttpVerbs.POST;
     this.requestBodyName = 'SCBulkRequest';
     this.responseBodyName = 'SCBulkResponse';
-    this.statusCodeSuccess = OK;
-    this.urlFragment = '/bulk';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/bulk';
   }
 }

src/protocol/routes/feedback.ts

@@ -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 {NO_CONTENT} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCMessage} from '../../things/message';
 import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
 import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
@@ -59,8 +59,8 @@ export class SCFeedbackRoute extends SCAbstractRoute {
     this.method = SCRouteHttpVerbs.POST;
     this.requestBodyName = 'SCFeedbackRequest';
     this.responseBodyName = 'SCFeedbackResponse';
-    this.statusCodeSuccess = NO_CONTENT;
-    this.urlFragment = '/feedback';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/feedback';
   }
 }
 

src/protocol/routes/index.ts

@@ -12,8 +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 {OK} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCAppConfiguration} from '../../config/app';
+import {SCAuthorizationProvider, SCAuthorizationProviderType} from '../../config/authorization';
 import {SCBackendConfiguration} from '../../config/backend';
 import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
 import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
@@ -42,6 +43,11 @@ export interface SCIndexResponse {
    */
   app: SCAppConfiguration;
 
+  /**
+   * @see SCAuthorizationProvider
+   */
+  auth: { [key in SCAuthorizationProviderType]?: SCAuthorizationProvider; };
+
   /**
    * @see SCBackendConfiguration
    */
@@ -65,7 +71,7 @@ export class SCIndexRoute extends SCAbstractRoute {
     this.method = SCRouteHttpVerbs.POST;
     this.requestBodyName = 'SCIndexRequest';
     this.responseBodyName = 'SCIndexResponse';
-    this.statusCodeSuccess = OK;
-    this.urlFragment = '/';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/';
   }
 }

src/protocol/routes/plugin-register.ts

@@ -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 {OK} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {JSONSchema7} from 'json-schema';
 import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
 import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
@@ -122,7 +122,7 @@ export class SCPluginRegisterRoute extends SCAbstractRoute {
     this.method = SCRouteHttpVerbs.POST;
     this.requestBodyName = 'SCPluginRegisterRequest';
     this.responseBodyName = 'SCPluginRegisterResponse';
-    this.statusCodeSuccess = OK;
-    this.urlFragment = '/plugin/register';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/plugin/register';
   }
 }

src/protocol/routes/search-multi.ts

@@ -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 {OK} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCMap} from '../../general/map';
 import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
 import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
@@ -63,7 +63,7 @@ export class SCMultiSearchRoute extends SCAbstractRoute {
     this.method = SCRouteHttpVerbs.POST;
     this.requestBodyName = 'SCMultiSearchRequest';
     this.responseBodyName = 'SCMultiSearchResponse';
-    this.statusCodeSuccess = OK;
-    this.urlFragment = '/search/multi';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/search/multi';
   }
 }

src/protocol/routes/search.ts

@@ -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 {OK} from 'http-status-codes';
+import {StatusCodes} 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';
@@ -56,7 +56,7 @@ export class SCSearchRoute extends SCAbstractRoute {
     this.method = SCRouteHttpVerbs.POST;
     this.requestBodyName = 'SCSearchRequest';
     this.responseBodyName = 'SCSearchResponse';
-    this.statusCodeSuccess = OK;
-    this.urlFragment = '/search';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/search';
   }
 }

src/protocol/routes/thing-update.ts

@@ -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 {OK} from 'http-status-codes';
+import {StatusCodes} from 'http-status-codes';
 import {SCThings} from '../../meta';
 import {SCInternalServerErrorResponse} from '../errors/internal-server-error';
 import {SCMethodNotAllowedErrorResponse} from '../errors/method-not-allowed';
@@ -55,12 +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 = OK;
-    this.urlFragment = '/:TYPE/:UID';
+    this.statusCodeSuccess = StatusCodes.OK;
+    this.urlPath = '/:TYPE/:UID';
   }
 }

src/protocol/search/filter.ts

@@ -19,6 +19,8 @@ import {SCMap} from '../../general/map';
 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';
 
 /**
@@ -28,7 +30,10 @@ export type SCSearchFilterType =
   'availability'
   | 'boolean'
   | 'distance'
-  | 'value';
+  | 'value'
+  | 'date range'
+  | 'numeric range'
+  | 'geo';
 
 /**
  * Structure of a filter instruction
@@ -57,4 +62,7 @@ export type SCSearchFilter =
   SCSearchAvailabilityFilter
   | SCSearchBooleanFilter
   | SCSearchDistanceFilter
-  | SCSearchValueFilter;
+  | SCSearchValueFilter
+  | SCSearchNumericRangeFilter
+  | SCSearchDateRangeFilter
+  | SCGeoFilter;

src/protocol/search/filters/availability.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -33,17 +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;
 }

src/protocol/search/filters/geo.ts

@@ -0,0 +1,73 @@
+/*
+ * 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, Position} 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';
+}
+
+/**
+ * A rectangular geo shape, representing the top-left and bottom-right corners
+ *
+ * This is an extension of the Geojson type
+ * http://geojson.org/geojson-spec.html
+ */
+export interface Envelope {
+  /**
+   * The top-left and bottom-right corners of the bounding box
+   */
+  coordinates: [Position, Position];
+
+  /**
+   * The type of the geometry
+   */
+  type: 'envelope';
+}
+
+/**
+ * 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 | Envelope;
+
+  /**
+   * 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';
+}

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';
+}

src/protocol/search/filters/value.ts

@@ -32,7 +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[];
 }

src/protocol/search/sort.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -16,6 +16,7 @@ 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';
 
 /**
@@ -51,9 +52,9 @@ export interface SCSearchAbstractSortArguments extends SCMap<unknown> {
 /**
  * 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;

src/protocol/search/sorts/generic.ts

@@ -0,0 +1,25 @@
+/*
+ * 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.
+ *
+ * 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 {SCSearchAbstractSort, SCSearchAbstractSortArguments} from '../sort';
+
+/**
+ * Sort instruction for generic sort such as date
+ */
+export interface SCGenericSort extends SCSearchAbstractSort<SCSearchAbstractSortArguments> {
+  /**
+   * @see SCSearchAbstractSort.type
+   */
+  type: 'generic';
+}

src/things/abstract/academic-degree.ts

@@ -22,26 +22,25 @@ export interface SCAcademicDegreeWithoutReferences
   extends SCThingWithoutReferences {
   /**
    * The achievable academic degree
+   *
+   * @filterable
+   * @sortable ducet
    */
-  academicDegree: SCGermanAcademicDegree;
+  academicDegree: string;
 
   /**
    * The achievable academic degree with academic field specification
    * (eg. Master of Science)
    *
-   * @filterable
-   * @keyword
    */
-  academicDegreewithField: string;
+  academicDegreewithField?: string;
 
   /**
    * The achievable academic degree with academic field specification
    * shorted (eg. M.Sc.).
    *
-   * @filterable
-   * @keyword
    */
-  academicDegreewithFieldShort: string;
+  academicDegreewithFieldShort?: string;
 }
 
 /**
@@ -62,13 +61,13 @@ export class SCAcademicDegreeMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
-      academicDegree: 'Hochschulgrad',
-      academicDegreewithField: 'Abschlussbezeichnungen',
-      academicDegreewithFieldShort: 'Abschlussbezeichnungen (kurz)',
+      ...new SCThingMeta().fieldTranslations.de,
+      academicDegree: 'Abschlussgrad',
+      academicDegreewithField: 'Abschlussbezeichnung',
+      academicDegreewithFieldShort: 'Abschlussbezeichnung (kurz)',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       academicDegree: 'academic degree',
       academicDegreewithField: 'acedemic degree and discipline',
       academicDegreewithFieldShort: 'acedemic degree and discipline (short)',
@@ -80,33 +79,10 @@ export class SCAcademicDegreeMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
-      academicDegree: {
-        'bachelor': 'Bachelor',
-        'diploma': 'Diplom',
-        'doctor': 'Doktor',
-        'licentiate': 'Lizenziat',
-        'magister': 'Magister',
-        'master': 'Master',
-        'masterstudent': 'Meisterschüler',
-        'state examination': 'Staatsexamen',
-      },
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
 }
-
-/**
- * Types of (german) academic degrees
- */
-export type SCGermanAcademicDegree =
-  'bachelor'
-  | 'diploma'
-  | 'doctor'
-  | 'licentiate'
-  | 'magister'
-  | 'master'
-  | 'master pupil'
-  | 'state examination' ;

src/things/abstract/academic-term.ts

@@ -77,7 +77,7 @@ export class SCAcademicTermWithoutReferencesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       acronym: 'Akronym',
       endDate: 'Enddatum',
       eventsEndDate: 'Enddatum der Veranstaltungen',
@@ -85,7 +85,7 @@ export class SCAcademicTermWithoutReferencesMeta
       startDate: 'Startdatum',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       acronym: 'acronym',
       endDate: 'end date',
       eventsEndDate: 'end date of events',
@@ -99,10 +99,10 @@ export class SCAcademicTermWithoutReferencesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
 }

src/things/abstract/creative-work.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -12,35 +12,49 @@
  * 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 {SCLanguage, SCMetaTranslations, SCTranslations} from '../../general/i18n';
+import {SCLanguageCode, SCMetaTranslations, SCTranslations} from '../../general/i18n';
 import {SCISO8601Date} from '../../general/time';
 import {SCOrganizationWithoutReferences} from '../organization';
 import {SCPersonWithoutReferences} from '../person';
-import {SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from './thing';
-import {
-  SCAcademicPriceGroup,
-  SCThingThatCanBeOffered,
-  SCThingThatCanBeOfferedMeta,
-  SCThingThatCanBeOfferedTranslatableProperties,
-  SCThingThatCanBeOfferedWithoutReferences,
-} from './thing-that-can-be-offered';
+import {SCPublicationEventWithoutReferences} from '../publication-event';
+import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from './thing';
 
 /**
  * A creative work without references
  */
 export interface SCCreativeWorkWithoutReferences
-  extends SCThingWithoutReferences, SCThingThatCanBeOfferedWithoutReferences {
+  extends SCThingWithoutReferences {
+
+  /**
+   * Languages this creative work is available in
+   */
+  availableLanguages?: SCLanguageCode[];
+
   /**
    * Date the creative work was published
-   *
-   * @filterable
    */
   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
@@ -51,6 +65,13 @@ export interface SCCreativeWorkWithoutReferences
    */
   keywords?: string[];
 
+  /**
+   * Date (in text form) the creative work was most recently
+   *
+   * @keyword
+   */
+  lastPublished?: string;
+
   /**
    * Translated fields of the creative work
    */
@@ -61,17 +82,32 @@ export interface SCCreativeWorkWithoutReferences
  * A creative work
  */
 export interface SCCreativeWork
-  extends SCCreativeWorkWithoutReferences, SCThingThatCanBeOffered<SCAcademicPriceGroup> {
+  extends SCCreativeWorkWithoutReferences, SCThing {
   /**
    * Authors of the creative work
    */
   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
    */
@@ -82,7 +118,7 @@ export interface SCCreativeWork
  * Translatable properties of creative works
  */
 export interface SCCreativeWorkTranslatableProperties
-  extends SCThingTranslatableProperties, SCThingThatCanBeOfferedTranslatableProperties {
+  extends SCThingTranslatableProperties {
   /**
    * Translation of the keywords of the creative work
    *
@@ -101,22 +137,36 @@ export class SCCreativeWorkMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance().fieldTranslations.de,
-      authors: 'Authoren',
+      ...new SCThingMeta().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',
+      ...new SCThingMeta().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',
     },
   };
 
@@ -125,12 +175,10 @@ export class SCCreativeWorkMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
-      ...SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
 }

src/things/abstract/event.ts

@@ -86,7 +86,7 @@ export class SCEventMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       academicTerms: 'Semester',
       catalogs: 'Verzeichnis',
       creativeWorks: 'begleitende Werke',
@@ -96,7 +96,7 @@ export class SCEventMeta
       remainingAttendeeCapacity: 'verfügbare Anzahl an Teilnehmern',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       academicTerms: 'academic terms',
       catalogs: 'catalogs',
       creativeWorks: 'related material',
@@ -112,10 +112,10 @@ export class SCEventMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
 }

src/things/abstract/place.ts

@@ -145,13 +145,13 @@ export class SCPlaceWithoutReferencesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       address: 'Adresse',
       geo: 'Geoinformation',
       openingHours: 'Öffnungszeiten',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       address: 'address',
       geo: 'geographic information',
       openingHours: 'opening hours',
@@ -163,10 +163,10 @@ export class SCPlaceWithoutReferencesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
 }

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
+};

src/things/abstract/saveable-thing.ts

@@ -12,6 +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 {SCIndexableThings} from '../../meta';
 import {SCThing, SCThingUserOrigin, SCThingWithoutReferences} from './thing';
 
 /**
@@ -19,18 +20,17 @@ import {SCThing, SCThingUserOrigin, SCThingWithoutReferences} from './thing';
  */
 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
    */

src/things/abstract/thing-in-place.ts

@@ -34,11 +34,11 @@ export class SCThingInPlaceMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       inPlace: 'Ort',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       inPlace: 'location',
     },
   };
@@ -48,10 +48,10 @@ export class SCThingInPlaceMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
 }

src/things/abstract/thing-that-accepts-payments.ts

@@ -54,11 +54,11 @@ export class SCThingThatAcceptsPaymentsWithoutReferencesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       paymentsAccepted: 'Bezahlmethoden',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       paymentsAccepted: 'accepted payment methods',
     },
   };
@@ -68,7 +68,7 @@ export class SCThingThatAcceptsPaymentsWithoutReferencesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
       paymentsAccepted: {
         'cafeteria card': 'Mensakarte',
         'cash': 'Bar',
@@ -76,7 +76,7 @@ export class SCThingThatAcceptsPaymentsWithoutReferencesMeta
       },
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
 }

src/things/abstract/thing-that-can-be-offered.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -13,10 +13,10 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 import {SCMetaTranslations, SCTranslations} from '../../general/i18n';
-import {SCISO8601Date} from '../../general/time';
 import {SCOrganizationWithoutReferences} from '../organization';
 import {SCPersonWithoutReferences} from '../person';
 import {SCInPlace} from './place';
+import {SCISO8601DateRange} from './range';
 import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from './thing';
 
 /**
@@ -100,19 +100,14 @@ 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
    */
-  prices: T;
+  prices?: T;
 
   /**
    * Provider of an offer
@@ -155,21 +150,16 @@ export type SCThingThatCanBeOfferedAvailability =
 export class SCThingThatCanBeOfferedMeta<T extends SCPriceGroup>
   implements SCMetaTranslations<SCThingThatCanBeOffered<T>> {
 
-  /**
-   * Instance
-   */
-  protected static _instance = new Map<string, unknown>();
-
   /**
    * Translations of fields
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       offers: 'Angebote',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       offers: 'offers',
     },
   };
@@ -179,26 +169,10 @@ export class SCThingThatCanBeOfferedMeta<T extends SCPriceGroup>
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
-
-  // tslint:disable:static-this
-  /**
-   * Function to retrieve typed singleton instance (including generics)
-   */
-  public static getInstance<T extends SCPriceGroup>(): SCThingThatCanBeOfferedMeta<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() {
-  }
 }

src/things/abstract/thing-with-categories.ts

@@ -120,22 +120,17 @@ export interface SCThingWithCategoriesSpecificValues {
 export class SCThingWithCategoriesWithoutReferencesMeta<T, U>
   implements SCMetaTranslations<SCThingWithCategoriesWithoutReferences<T, U>> {
 
-  /**
-   * Instance
-   */
-  protected static _instance = new Map<string, unknown>();
-
   /**
    * Translations of fields
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       categories: 'Kategorien',
       categorySpecificValues: 'besondere Kategorien',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       categories: 'categories',
       categorySpecificValues: 'category with specific values',
     },
@@ -146,27 +141,10 @@ export class SCThingWithCategoriesWithoutReferencesMeta<T, U>
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
     },
   };
-
-  // tslint:disable:static-this
-  /**
-   * Function to retrieve typed singleton instance (including generics)
-   */
-  public static getInstance<T, U>(): SCThingWithCategoriesWithoutReferencesMeta<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() {
-  }
 }

src/things/abstract/thing.ts

@@ -13,6 +13,7 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 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';
@@ -22,13 +23,15 @@ import {SCPersonWithoutReferences} from '../person';
  * Types a thing can be
  */
 export enum SCThingType {
+  Assessment = 'assessment',
   AcademicEvent = 'academic event',
   Article = 'article',
   Book = 'book',
+  Periodical = 'periodical',
   Building = 'building',
   Catalog = 'catalog',
   ContactPoint = 'contact point',
-  CourseOfStudies = 'course of studies',
+  CourseOfStudy = 'course of study',
   DateSeries = 'date series',
   Diff = 'diff',
   Dish = 'dish',
@@ -38,6 +41,7 @@ export enum SCThingType {
   Organization = 'organization',
   Person = 'person',
   PointOfInterest = 'point of interest',
+  PublicationEvent = 'publication event',
   Room = 'room',
   Semester = 'semester',
   Setting = 'setting',
@@ -60,6 +64,7 @@ export interface SCThingWithoutReferences {
    * @keyword
    */
   alternateNames?: string[];
+
   /**
    * Description of the thing
    *
@@ -67,12 +72,21 @@ export interface SCThingWithoutReferences {
    * @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
    *
@@ -82,12 +96,21 @@ export interface SCThingWithoutReferences {
    * @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
    *
@@ -96,16 +119,11 @@ export interface SCThingWithoutReferences {
    * @aggregatable global
    */
   type: SCThingType;
+
   /**
    * Universally unique identifier of the thing
    */
   uid: SCUuid;
-  /**
-   * URL of the thing
-   * 
-   * @filterable
-   */
-  url?: string;
 }
 
 /**
@@ -251,11 +269,6 @@ export interface SCThingTranslatablePropertyOrigin {
  * Meta information about things
  */
 export class SCThingMeta implements SCMetaTranslations<SCThing> {
-  /**
-   * Set type definiton for singleton instance
-   */
-  protected static _instance = new Map<string, unknown>();
-
   /**
    * Translations of fields
    */
@@ -263,24 +276,26 @@ 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',
     },
   };
 
@@ -295,19 +310,4 @@ export class SCThingMeta implements SCMetaTranslations<SCThing> {
       type: 'Thing',
     },
   };
-
-  // tslint:disable:static-this
-  /**
-   * Function to retrieve typed singleton instance
-   */
-  public static getInstance<T extends SCThingMeta>(): T {
-    if (!SCThingMeta._instance.has(this.name)) {
-      SCThingMeta._instance.set(this.name, new this());
-    }
-
-    return SCThingMeta._instance.get(this.name) as T;
-  }
-
-  protected constructor() {
-  }
 }

src/things/abstract/user-groups.ts

@@ -0,0 +1,21 @@
+/*
+ * 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/>.
+ */
+/**
+ * Types of data consumers
+ */
+export type SCUserGroup =
+  'students'
+  | 'employees'
+  | 'guests';

src/things/academic-event.ts

@@ -128,15 +128,15 @@ export class SCAcademicEventMeta
    */
   fieldTranslations = {
     de: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...new SCEventMeta().fieldTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCAcademicEventCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
       majors: 'Hauptfächer',
       originalCategory: 'ursprüngliche Kategorie',
     },
     en: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...new SCEventMeta().fieldTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCAcademicEventCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
       majors: 'majors',
       originalCategory: 'original category',
@@ -148,8 +148,8 @@ export class SCAcademicEventMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...new SCEventMeta().fieldValueTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCAcademicEventCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
       categories: {
         'colloquium': 'Kolloquium',
@@ -171,8 +171,8 @@ export class SCAcademicEventMeta
       type: 'akademische Veranstaltung',
     },
     en: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...new SCEventMeta().fieldValueTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCAcademicEventCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
       type: SCThingType.AcademicEvent,
     },

src/things/article.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -20,26 +20,40 @@ import {
   SCCreativeWorkWithoutReferences,
 } from './abstract/creative-work';
 import {SCThingMeta, SCThingType} from './abstract/thing';
+import {SCAcademicPriceGroup, SCThingThatCanBeOffered, SCThingThatCanBeOfferedMeta, SCThingThatCanBeOfferedTranslatableProperties, SCThingThatCanBeOfferedWithoutReferences} from './abstract/thing-that-can-be-offered';
 import {
-  SCThingWithCategories,
   SCThingWithCategoriesSpecificValues,
   SCThingWithCategoriesTranslatableProperties,
   SCThingWithCategoriesWithoutReferences,
   SCThingWithCategoriesWithoutReferencesMeta,
 } 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> {
+  SCThingThatCanBeOfferedWithoutReferences,
+  SCThingWithCategoriesWithoutReferences<SCArticleCategories, SCThingWithCategoriesSpecificValues> {
   /**
    * Article itself as markdown
    *
    * @text
    */
-  articleBody: string;
+  articleBody?: string;
+
+  /**
+   * Categories of an article
+   */
+  categories: SCArticleCategories[];
 
   /**
    * Translated fields of an article
@@ -59,8 +73,18 @@ export interface SCArticleWithoutReferences
  * @indexable
  */
 export interface SCArticle
-  extends SCCreativeWork, SCArticleWithoutReferences,
-    SCThingWithCategories<SCArticleCategories, SCThingWithCategoriesSpecificValues> {
+  extends SCCreativeWork,
+  SCThingThatCanBeOffered<SCAcademicPriceGroup>,
+  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
    */
@@ -73,15 +97,12 @@ 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 {
+  extends SCThingWithCategoriesTranslatableProperties,
+  SCThingThatCanBeOfferedTranslatableProperties,
+  SCCreativeWorkTranslatableProperties {
   /**
    * Translation of the article itself as markdown
    *
@@ -100,17 +121,23 @@ export class SCArticleMeta
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+      ...new SCCreativeWorkMeta().fieldTranslations
         .de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCArticleCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.de,
+      categories: 'Format',
+      reference: 'Referenz',
       articleBody: 'Artikelinhalt',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+      ...new SCCreativeWorkMeta().fieldTranslations
         .en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCArticleCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.en,
+      categories: 'format',
+      reference: 'reference',
       articleBody: 'article body',
     },
   };
@@ -120,21 +147,30 @@ export class SCArticleMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+      ...new SCCreativeWorkMeta().fieldValueTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCArticleCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
       categories: {
-        'unipedia': 'Unipedia',
+        article: 'Artikel',
+        eArticle: 'E-Aufsatz',
+        unipedia: 'Unipedia',
       },
       type: 'Artikel',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+      ...new SCCreativeWorkMeta().fieldValueTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCArticleCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
       type: SCThingType.Article,
+      categories: {
+        article: 'article',
+        eArticle: 'E-Article',
+        unipedia: 'unipedia',
+      },
     },
   };
 }

src/things/assessment.ts

@@ -0,0 +1,162 @@
+/*
+ * 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 {SCISO8601Date} from '../general/time';
+import {SCThing, SCThingMeta, SCThingType} from './abstract/thing';
+import {SCThingWithCategories, SCThingWithCategoriesSpecificValues, SCThingWithCategoriesTranslatableProperties, SCThingWithCategoriesWithoutReferences, SCThingWithCategoriesWithoutReferencesMeta} from './abstract/thing-with-categories';
+import {SCCourseOfStudyWithoutReferences} from './course-of-study';
+
+
+/**
+ * Categories of assessments
+ */
+ export type SCAssessmentCategories = 'university assessment';
+
+/**
+ * An assessment without references
+ *
+ */
+export interface SCAssessmentWithoutReferences
+  extends SCThingWithCategoriesWithoutReferences<SCAssessmentCategories, SCThingWithCategoriesSpecificValues> {
+    /**
+     * Number of attempts
+     *
+     * @integer
+     */
+    attempt?: number;
+
+    /**
+     * Date assessment was taken or graded
+     */
+    date?: SCISO8601Date;
+
+    /**
+     * ECTS (credit-points)
+     *
+     * @float
+     */
+    ects?: number;
+
+    /**
+     * Grade
+     */
+    grade: string;
+
+    /**
+     * Current status
+     */
+    status?: string;
+
+    /**
+     * Translated fields of an assessment
+     */
+    translations?: SCTranslations<SCAssessmentTranslatableProperties>;
+
+    /**
+     * Type of an assessment
+     */
+    type: SCThingType.Assessment;
+}
+
+/**
+ * An assessment
+ *
+ * @validatable
+ */
+export interface SCAssessment
+  extends SCAssessmentWithoutReferences, SCThing,
+    SCThingWithCategories<SCAssessmentCategories, SCThingWithCategoriesSpecificValues> {
+
+  /**
+   * Course of study the assessment was taken for
+   */
+  courseOfStudy?: SCCourseOfStudyWithoutReferences;
+
+  /**
+   * An array of assessments from the 'level 0' (root) assessment to the direct parent
+   */
+  superAssessments?: SCAssessmentWithoutReferences[];
+
+  /**
+   * Translated fields of an assessment
+   */
+  translations?: SCTranslations<SCAssessmentTranslatableProperties>;
+
+  /**
+   * Type of an assessment
+   */
+  type: SCThingType.Assessment;
+
+}
+
+export interface SCAssessmentTranslatableProperties
+  extends SCThingWithCategoriesTranslatableProperties {
+  /**
+   * @see SCAssessmentWithoutReferences.status
+   */
+   status?: string;
+}
+
+/**
+ * Study module meta data
+ */
+ export class SCAssessmentMeta
+ extends SCThingMeta
+ implements SCMetaTranslations<SCAssessment> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCAssessmentCategories,
+         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      attempt: 'Versuch',
+      courseOfStudy: 'Studiengang',
+      date: 'Datum',
+      ects: 'ECTS-Punkte',
+      grade: 'Note',
+      status: 'Status',
+      superAssessments: 'übergeordnete Prüfungen',
+    },
+    en: {
+     ...new SCThingWithCategoriesWithoutReferencesMeta<SCAssessmentCategories,
+        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      attempt: 'attempt',
+      courseOfStudy: 'course of study',
+      date: 'date',
+      ects: 'ECTS points',
+      grade: 'grade',
+      status: 'status',
+      superAssessments: 'parent assessments',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCAssessmentCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      type: 'Prüfung',
+    },
+    en: {
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCAssessmentCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      type: SCThingType.Assessment,
+    },
+  };
+}

src/things/book.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -20,29 +20,55 @@ import {
   SCCreativeWorkWithoutReferences,
 } from './abstract/creative-work';
 import {SCThingMeta, SCThingType} from './abstract/thing';
-import {SCThingWithCategoriesTranslatableProperties} from './abstract/thing-with-categories';
-import {SCPersonWithoutReferences} from './person';
+import {SCAcademicPriceGroup, SCThingThatCanBeOffered, SCThingThatCanBeOfferedMeta, SCThingThatCanBeOfferedTranslatableProperties, SCThingThatCanBeOfferedWithoutReferences} from './abstract/thing-that-can-be-offered';
+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'
+  | 'physicalobject'
+  | 'retro'
+  | 'sensorimage'
+  | 'unknown'
+  | 'video';
 
 /**
  * A book without references
  */
 export interface SCBookWithoutReferences
-  extends SCCreativeWorkWithoutReferences {
+  extends SCCreativeWorkWithoutReferences,
+  SCThingThatCanBeOfferedWithoutReferences,
+  SCThingWithCategoriesWithoutReferences<SCBookCategories, SCThingWithCategoriesSpecificValues> {
   /**
-   * Edition of a book
-   *
-   * @filterable
-   * @keyword
+   * Categories of a book
    */
-  bookEdition?: string;
+  categories: SCBookCategories[];
 
   /**
-   * ISBN of a book
+   * ISBNs of a book
    *
    * @filterable
    * @keyword
    */
-  isbn?: string;
+  ISBNs?: string[];
 
   /**
    * Number of pages of a book
@@ -69,12 +95,9 @@ export interface SCBookWithoutReferences
  * @indexable
  */
 export interface SCBook
-  extends SCCreativeWork, SCBookWithoutReferences {
-  /**
-   * Authors of the creative work
-   */
-  authors: SCPersonWithoutReferences[];
-
+  extends SCCreativeWork,
+  SCThingThatCanBeOffered<SCAcademicPriceGroup>,
+  SCBookWithoutReferences {
   /**
    * Translated properties of a book
    */
@@ -90,13 +113,9 @@ export interface SCBook
  * Translatable properties of a book
  */
 export interface SCBookTranslatableFields
-  extends SCThingWithCategoriesTranslatableProperties, SCCreativeWorkTranslatableProperties {
-  /**
-   * Translation of an edition of a book
-   *
-   * @keyword
-   */
-  bookEdition?: string;
+  extends SCThingWithCategoriesTranslatableProperties,
+  SCThingThatCanBeOfferedTranslatableProperties,
+  SCCreativeWorkTranslatableProperties {
 }
 
 /**
@@ -108,17 +127,21 @@ export class SCBookMeta extends SCThingMeta implements SCMetaTranslations<SCBook
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-        .de,
-      bookEdition: 'Buchausgabe',
-      isbn: 'ISBN',
-      numberOfPages: 'Seitenzahl',
+      ...new SCCreativeWorkMeta().fieldTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.de,
+      categories: 'Format',
+      ISBNs: 'ISBN',
+      numberOfPages: 'Seitenanzahl',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-        .en,
-      bookEdition: 'book edition',
-      isbn: 'ISBN',
+      ...new SCCreativeWorkMeta().fieldTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.en,
+      categories: 'format',
+      ISBNs: 'ISBN',
       numberOfPages: 'number of pages',
     },
   };
@@ -128,14 +151,62 @@ export class SCBookMeta extends SCThingMeta implements SCMetaTranslations<SCBook
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+      ...new SCCreativeWorkMeta()
         .fieldValueTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
+        .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>()
+      ...new SCCreativeWorkMeta()
+        .fieldValueTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBookCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .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',
+      },
     },
   };
 }

src/things/building.ts

@@ -99,15 +99,15 @@ export class SCBuildingMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBuildingCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.de,
+      ...new SCPlaceWithoutReferencesMeta().fieldTranslations.de,
       floors: 'Etagen',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBuildingCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.en,
+      ...new SCPlaceWithoutReferencesMeta().fieldTranslations.en,
       floors: 'floors',
     },
   };
@@ -117,9 +117,9 @@ export class SCBuildingMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBuildingCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.de,
+      ...new SCPlaceWithoutReferencesMeta().fieldValueTranslations.de,
       categories: {
         'cafe': 'Café',
         'canteen': 'Kantine',
@@ -133,9 +133,9 @@ export class SCBuildingMeta
       type: 'Gebäude',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCBuildingCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.en,
+      ...new SCPlaceWithoutReferencesMeta().fieldValueTranslations.en,
       type: SCThingType.Building,
     },
   };

src/things/catalog.ts

@@ -33,6 +33,7 @@ export interface SCCatalogWithoutReferences
    *
    * Needed for keeping order in catalog inheritance array.
    *
+   * @filterable
    * @integer
    */
   level: number;
@@ -88,7 +89,7 @@ export class SCCatalogMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCCatalogCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
       academicTerm: 'Semester',
       level: 'Ebene',
@@ -96,7 +97,7 @@ export class SCCatalogMeta
       superCatalogs: 'übergeordnete Verzeichnisse',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCCatalogCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
       academicTerm: 'academic term',
       level: 'level',
@@ -110,7 +111,7 @@ export class SCCatalogMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCCatalogCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
       categories: {
         'university events': 'Universitätsveranstaltung',
@@ -118,7 +119,7 @@ export class SCCatalogMeta
       type: 'Verzeichnis',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCCatalogCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
       type: SCThingType.Catalog,
     },

src/things/contact-point.ts

@@ -73,7 +73,7 @@ export interface SCContactPointWithoutReferences
  * A contact point
  *
  * @see http://schema.org/ContactPoint
- * 
+ *
  * @validatable
  * @indexable
  */
@@ -101,7 +101,7 @@ export class SCContactPointMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       areaServed: 'Arbeitsraum',
       email: 'E-Mail-Addresse',
       faxNumber: 'Faxnummer',
@@ -110,7 +110,7 @@ export class SCContactPointMeta
       url: 'Link',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       areaServed: 'location',
       email: 'email address',
       faxNumber: 'fax number',
@@ -125,11 +125,11 @@ export class SCContactPointMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
       type: 'Kontaktinformation',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
       type: SCThingType.ContactPoint,
     },
   };

src/things/course-of-study.ts

@@ -26,119 +26,113 @@ import {SCDateSeriesWithoutReferences} from './date-series';
 import {SCOrganizationWithoutReferences} from './organization';
 
 /**
- * A course of studies without references
+ * A course of study without references
  */
-export interface SCCourseOfStudiesWithoutReferences
+export interface SCCourseOfStudyWithoutReferences
   extends SCAcademicDegreeWithoutReferences, SCThingThatCanBeOfferedWithoutReferences {
   /**
-   * The main language in which the course of studies
+   * The main language in which the course of study
    * is beeing offered
    */
-  mainLanguage: SCLanguage;
+  mainLanguage?: SCLanguage;
 
   /**
-   * Actual major of the course of studies (eg. physics)
+   * The modes the course of study is offered in
    *
    * @filterable
-   * @keyword
    */
-  major: string;
+  mode?: SCCourseOfStudyMode;
 
   /**
-   * The modes the course of studies is offered in
+   * The time modes the course of study is offered in
+   *
+   * @filterable
    */
-  mode: SCCourseOfStudiesMode;
-
-  /**
-   * The time modes the course of studies is offered in
-   */
-  timeMode: SCCourseOfStudiesTimeMode;
+  timeMode?: SCCourseOfStudyTimeMode;
 
   /**
    * Translated fields of a dish
    */
-  translations?: SCTranslations<SCCourseOfStudiesTranslatableProperties>;
+  translations?: SCTranslations<SCCourseOfStudyTranslatableProperties>;
 
   /**
-   * Type of the course of studies
+   * Type of the course of study
    */
-  type: SCThingType.CourseOfStudies;
+  type: SCThingType.CourseOfStudy;
 }
 
 /**
- * A course of studies
+ * A course of study
  *
  * @validatable
  * @indexable
  */
-export interface SCCourseOfStudies
-  extends SCCourseOfStudiesWithoutReferences, SCThingThatCanBeOffered<SCAcademicPriceGroup>, SCAcademicDegree {
+export interface SCCourseOfStudy
+  extends SCCourseOfStudyWithoutReferences, SCThingThatCanBeOffered<SCAcademicPriceGroup>, SCAcademicDegree {
   /**
-   * The department that manages the course of studies
+   * The department that manages the course of study
    */
-  department: SCOrganizationWithoutReferences;
+  department?: SCOrganizationWithoutReferences;
 
   /**
    * The secretary that administers requests and
-   * questions concerning the course of studies
+   * questions concerning the course of study
    */
-  secretary: SCOrganizationWithoutReferences;
+  secretary?: SCOrganizationWithoutReferences;
 
   /**
-   * Dates at which the course of studies is planned to start
+   * Dates at which the course of study is planned to start
    */
   startDates?: SCDateSeriesWithoutReferences[];
 
   /**
-   * Translated fields of a course of studies
+   * Translated fields of a course of study
    */
-  translations?: SCTranslations<SCCourseOfStudiesTranslatableProperties>;
+  translations?: SCTranslations<SCCourseOfStudyTranslatableProperties>;
 
   /**
-   * Type of the course of studies
+   * Type of the course of study
    */
-  type: SCThingType.CourseOfStudies;
+  type: SCThingType.CourseOfStudy;
 }
 
 /**
- * Translatable properties of a course of studies
+ * Translatable properties of a course of study
  */
-export interface SCCourseOfStudiesTranslatableProperties
+export interface SCCourseOfStudyTranslatableProperties
   extends SCThingThatCanBeOfferedTranslatableProperties {
-  // noop
+    // noop
 }
 
 /**
- * Meta information about a course of studies
+ * Meta information about a course of study
  */
-export class SCCourseOfStudiesMeta
+export class SCCourseOfStudyMeta
   extends SCThingMeta
-  implements SCMetaTranslations<SCCourseOfStudies> {
+  implements SCMetaTranslations<SCCourseOfStudy> {
   /**
    * Translations of fields
    */
   fieldTranslations = {
     de: {
-      ...SCAcademicDegreeMeta.getInstance<SCAcademicDegreeMeta>()
+      ...new SCAcademicDegreeMeta()
         .fieldTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldTranslations.de,
       department: 'Fachbereich',
       mainLanguage: 'Unterrichtssprache',
-      major: 'Studienfach',
       mode: 'Studiengangsart',
       secretary: 'Sekretariat',
       startDates: 'Startdatum',
       timeMode: 'Zeitmodell',
     },
     en: {
-      ...SCAcademicDegreeMeta.getInstance<SCAcademicDegreeMeta>()
+      ...new SCAcademicDegreeMeta()
         .fieldTranslations.en,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldTranslations.de,
       department: 'department',
       mainLanguage: 'main language',
-      major: 'major',
       mode: 'mode',
       secretary: 'secretary',
       startDates: 'start dates',
@@ -151,7 +145,7 @@ export class SCCourseOfStudiesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCAcademicDegreeMeta.getInstance().fieldValueTranslations.de,
+      ...new SCAcademicDegreeMeta().fieldValueTranslations.de,
       modes: {
         combination: 'Kombinationsstudiengang',
         'double-degree': 'Doppelstudium',
@@ -165,32 +159,32 @@ export class SCCourseOfStudiesMeta
       type: 'Studiengang',
     },
     en: {
-      ...SCAcademicDegreeMeta.getInstance().fieldValueTranslations.en,
+      ...new SCAcademicDegreeMeta().fieldValueTranslations.en,
       modes: {
-        combination: 'combination course of studies',
-        'double-degree': 'double degree course of studies',
-        dual: 'dual course of studies',
-        standard: 'course of studies',
+        combination: 'combination course of study',
+        'double-degree': 'double degree course of study',
+        dual: 'dual course of study',
+        standard: 'course of study',
       },
       timeMode: {
         fulltime: 'full-time',
         parttime: 'part-time',
       },
-      type: SCThingType.CourseOfStudies,
+      type: SCThingType.CourseOfStudy,
     },
   };
 }
 
 /**
- * Types of (german) course of studies modes
+ * Types of (german) course of study modes
  */
-export type SCCourseOfStudiesMode = 'combination'
+export type SCCourseOfStudyMode = 'combination'
   | 'dual'
   | 'double-degree'
   | 'standard' ;
 
 /**
- * Types of (german) course of studies time modes
+ * Types of (german) course of study time modes
  */
-export type SCCourseOfStudiesTimeMode = 'fulltime'
+export type SCCourseOfStudyTimeMode = 'fulltime'
   | 'parttime' ;

src/things/date-series.ts

@@ -65,9 +65,9 @@ export interface SCDateSeriesWithoutReferences
   /**
    * Frequency of the date series
    *
-   * @keyword
+   * @filterable
    */
-  frequency: string;
+  repeatFrequency?: SCISO8601Duration;
 
   /**
    * Translated properties
@@ -123,27 +123,27 @@ export class SCDateSeriesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .de,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCSportCoursePriceGroup>()
         .fieldTranslations.de,
       dates: 'Einzeltermine',
       duration: 'Dauer',
       event: 'Event',
       exceptions: 'Ausnahmen',
-      frequency: 'Frequenz',
+      repeatFrequency: 'Frequenz',
       performers: 'Vortragende',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .en,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCSportCoursePriceGroup>()
         .fieldTranslations.en,
       dates: 'dates',
       duration: 'duration',
       event: 'event',
       exceptions: 'exceptions',
-      frequency: 'frequency',
+      repeatFrequency: 'frequency',
       performers: 'performers',
     },
   };
@@ -153,16 +153,16 @@ export class SCDateSeriesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCSportCoursePriceGroup>()
         .fieldValueTranslations.de,
       type: 'Terminserie',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.en,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCSportCoursePriceGroup>()
         .fieldValueTranslations.en,
       type: SCThingType.DateSeries,
     },
@@ -174,8 +174,4 @@ export class SCDateSeriesMeta
  */
 export interface SCDateSeriesTranslatableProperties
   extends SCThingThatCanBeOfferedTranslatableProperties {
-  /**
-   * @see SCDateSeriesWithoutReferences.frequency
-   */
-  frequency?: string;
 }

src/things/diff.ts

@@ -15,7 +15,7 @@
 import * as jsonpatch from 'json-patch';
 import {SCMetaTranslations} from '../general/i18n';
 import {SCISO8601Date} from '../general/time';
-import {SCThingsWithoutDiff} from '../meta';
+import {SCIndexableThings} from '../meta';
 import {SCThing, SCThingMeta, SCThingType, SCThingWithoutReferences} from './abstract/thing';
 
 /**
@@ -48,14 +48,13 @@ export interface SCDiffWithoutReferences
  * A diff
  *
  * @validatable
- * @indexable
  */
 export interface SCDiff
   extends SCDiffWithoutReferences, SCThing {
   /**
    * Original object the diff was generated on
    */
-  object: SCThingsWithoutDiff;
+  object: SCIndexableThings;
 
   /**
    * Type of a diff
@@ -74,14 +73,14 @@ export class SCDiffMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       action: 'Aktion',
       changes: 'Änderungen',
       dateCreated: 'Erstellungsdatum',
       object: 'Objekt',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       action: 'action',
       changes: 'changes',
       dateCreated: 'date created',
@@ -94,7 +93,7 @@ export class SCDiffMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
       action: {
         'changed': 'geändert',
         'removed': 'gelöscht',
@@ -102,7 +101,7 @@ export class SCDiffMeta
       type: 'Unterschied',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
       type: SCThingType.Diff,
     },
   };

src/things/dish.ts

@@ -91,6 +91,13 @@ export interface SCDish
 
 export interface SCDishTranslatableProperties
   extends SCThingWithCategoriesTranslatableProperties, SCThingThatCanBeOfferedTranslatableProperties {
+  /**
+   * Additives of the dish
+   *
+   * @filterable
+   * @keyword
+   */
+  additives?: string[];
   /**
    * Characteristics of the dish
    */
@@ -195,9 +202,9 @@ export class SCDishMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCDishCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldTranslations.de,
       additives: 'Zusatzstoffe',
       characteristics: 'Merkmale',
@@ -205,9 +212,9 @@ export class SCDishMeta
       nutrition: 'Nährwertangaben',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCDishCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldTranslations.en,
       additives: 'additives',
       characteristics: 'characteristics',
@@ -221,9 +228,9 @@ export class SCDishMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCDishCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.de,
       categories: {
         appetizer: 'Vorspeise',
@@ -236,9 +243,9 @@ export class SCDishMeta
       type: 'Essen',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCDishCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.en,
       type: SCThingType.Dish,
     },

src/things/favorite.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -14,45 +14,24 @@
  */
 import {SCSaveableThing, SCSaveableThingWithoutReferences} from './abstract/saveable-thing';
 import {SCThingMeta, SCThingType} from './abstract/thing';
-import {SCAcademicEventWithoutReferences} from './academic-event';
-import {SCArticleWithoutReferences} from './article';
-import {SCBookWithoutReferences} from './book';
-import {SCBuildingWithoutReferences} from './building';
-import {SCPersonWithoutReferences} from './person';
-import {SCPointOfInterestWithoutReferences} from './point-of-interest';
-import {SCRoomWithoutReferences} from './room';
-import {SCSportCourseWithoutReferences} from './sport-course';
-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
+  /**
+   * Type of a favorite
+   */
+  type: SCThingType.Favorite;
 }
 
 /**
  * A favorite
  *
  * @validatable
- * @indexable
  */
-export interface SCFavorite
-  extends SCSaveableThing<SCFavoriteDataTypes>, SCFavoriteWithoutReferences {
+export interface SCFavorite extends SCSaveableThing {
   /**
    * Type of a favorite
    */

src/things/floor.ts

@@ -114,13 +114,13 @@ export class SCFloorMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .de,
       floorName: 'Etagenbezeichnung',
       plan: 'Grundriss',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .en,
       floorName: 'floor name',
       plan: 'plan',
@@ -132,12 +132,12 @@ export class SCFloorMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.de,
       type: 'Etage',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.en,
       type: SCThingType.Floor,
     },

src/things/message.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -22,13 +22,24 @@ import {
 } 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> {
   /**
    * Organizational unit for which the message is intended
    */
@@ -39,7 +50,12 @@ export interface SCMessageWithoutReferences
    *
    * @filterable
    */
-  audiences: SCMessageAudience[];
+  audiences: SCUserGroup[];
+
+  /**
+   * Categories of a message
+   */
+  categories: SCMessageCategories[];
 
   /**
    * When the message was created
@@ -90,14 +106,6 @@ export interface SCMessage
   type: SCThingType.Message;
 }
 
-/**
- * Audiences for messages
- */
-export type SCMessageAudience =
-  'students'
-  | 'employees'
-  | 'guests';
-
 /**
  * Translatable properties of a message
  */
@@ -122,8 +130,9 @@ export class SCMessageMeta
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-        .de,
+      ...new SCCreativeWorkMeta().fieldTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCMessageCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
       audienceOrganizations: 'Zielgruppenorganisationen',
       audiences: 'Zielgruppen',
       dateCreated: 'Erstellungsdatum',
@@ -131,8 +140,9 @@ export class SCMessageMeta
       sequenceIndex: 'Sequenzindex',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-        .en,
+      ...new SCCreativeWorkMeta().fieldTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCMessageCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
       audienceOrganizations: 'audience organizations',
       audiences: 'audiences',
       dateCreated: 'date created',
@@ -146,18 +156,23 @@ export class SCMessageMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
-        .fieldValueTranslations.de,
+      ...new SCCreativeWorkMeta().fieldValueTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCMessageCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
       audiences: {
-        'employees': 'Angestellte',
-        'guests': 'Gäste',
-        'students': 'Studenten',
+        employees: 'Angestellte',
+        guests: 'Gäste',
+        students: 'Studenten',
+      },
+      categories: {
+        news: 'Neuigkeiten',
       },
       type: 'Nachricht',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
-        .fieldValueTranslations.en,
+      ...new SCCreativeWorkMeta().fieldValueTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCMessageCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
       type: SCThingType.Message,
     },
   };

src/things/organization.ts

@@ -57,11 +57,11 @@ export class SCOrganizationMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations.de,
+      ...new SCThingInPlaceMeta().fieldTranslations.de,
       contactPoints: 'Kontaktinformationen',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations.en,
+      ...new SCThingInPlaceMeta().fieldTranslations.en,
       contactPoints: 'contact details',
     },
   };
@@ -71,11 +71,11 @@ export class SCOrganizationMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldValueTranslations.de,
+      ...new SCThingInPlaceMeta().fieldValueTranslations.de,
       type: 'Einrichtung',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldValueTranslations.en,
+      ...new SCThingInPlaceMeta().fieldValueTranslations.en,
       type: SCThingType.Organization,
     },
   };

src/things/periodical.ts

@@ -0,0 +1,149 @@
+/*
+ * 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 {SCAcademicPriceGroup, SCThingThatCanBeOffered, SCThingThatCanBeOfferedMeta, SCThingThatCanBeOfferedTranslatableProperties, SCThingThatCanBeOfferedWithoutReferences} from './abstract/thing-that-can-be-offered';
+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,
+  SCThingThatCanBeOfferedWithoutReferences,
+  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,
+  SCThingThatCanBeOffered<SCAcademicPriceGroup>,
+  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,
+  SCThingThatCanBeOfferedTranslatableProperties,
+  SCCreativeWorkTranslatableProperties {
+}
+
+/**
+ * Meta information about a periodical
+ */
+export class SCPeriodicalMeta extends SCThingMeta implements SCMetaTranslations<SCPeriodical> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...new SCCreativeWorkMeta().fieldTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPeriodicalCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.de,
+      categories: 'Format',
+      ISSNs: 'ISSN',
+    },
+    en: {
+      ...new SCCreativeWorkMeta().fieldTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPeriodicalCategories,
+      SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.en,
+      categories: 'format',
+      ISSNs: 'ISSN',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...new SCCreativeWorkMeta().fieldValueTranslations.de,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPeriodicalCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldValueTranslations.de,
+      type: 'Periodikum',
+      categories: {
+        electronic: 'E-Journal',
+        journal: 'Zeitschrift',
+      },
+    },
+    en: {
+      ...new SCCreativeWorkMeta().fieldValueTranslations.en,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPeriodicalCategories,
+      SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldValueTranslations.en,
+      type: 'periodical',
+      categories: {
+        electronic: 'E-Journal',
+        journal: 'journal',
+      },
+    },
+  };
+}

src/things/person.ts

@@ -57,7 +57,7 @@ export interface SCPersonWithoutReferences
    * @filterable
    * @keyword
    */
-  familyName: string;
+  familyName?: string;
 
   /**
    * The private fax number of the person.
@@ -80,7 +80,7 @@ export interface SCPersonWithoutReferences
    * @filterable
    * @keyword
    */
-  givenName: string;
+  givenName?: string;
 
   /**
    * Honorific prefix of the person.
@@ -174,7 +174,7 @@ export class SCPersonMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       additionalName: 'Zusatzname',
       affiliations: 'Zugehörigkeiten',
       birthDate: 'Geburtsdatum',
@@ -192,7 +192,7 @@ export class SCPersonMeta
       workLocations: 'Arbeitsstandorte',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       additionalName: 'additional name',
       affiliations: 'affiliations',
       birthDate: 'birth date',
@@ -217,7 +217,7 @@ export class SCPersonMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
       gender: {
         'female': 'weiblich',
         'inter': 'divers',
@@ -227,7 +227,7 @@ export class SCPersonMeta
       type: 'Person',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
       type: SCThingType.Person,
     },
   };

src/things/point-of-interest.ts

@@ -82,17 +82,17 @@ export class SCPointOfInterestMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPointOfInterestCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.de,
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCPlaceWithoutReferencesMeta().fieldTranslations.de,
+      ...new SCThingInPlaceMeta().fieldTranslations
         .de,
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPointOfInterestCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.en,
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCPlaceWithoutReferencesMeta().fieldTranslations.en,
+      ...new SCThingInPlaceMeta().fieldTranslations
         .en,
     },
   };
@@ -102,9 +102,9 @@ export class SCPointOfInterestMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPointOfInterestCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.de,
+      ...new SCPlaceWithoutReferencesMeta().fieldValueTranslations.de,
       categories: {
         'card charger': 'Kartenaufwerter',
         'computer': 'Computer',
@@ -115,9 +115,9 @@ export class SCPointOfInterestMeta
       type: 'Sonderziel',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCPointOfInterestCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.en,
+      ...new SCPlaceWithoutReferencesMeta().fieldValueTranslations.en,
       type: SCThingType.PointOfInterest,
     },
   };

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: {
+      ...new SCEventMeta().fieldTranslations.de,
+      locations: 'Erscheinungsorte',
+      publisher: 'Verlag',
+    },
+    en: {
+      ...new SCEventMeta().fieldTranslations.en,
+      locations: 'places of publication',
+      publisher: 'publisher',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...new SCEventMeta().fieldValueTranslations.de,
+      type: 'Veröffentlichung',
+    },
+    en: {
+      ...new SCEventMeta().fieldValueTranslations.en,
+      type: 'publication event',
+    },
+  };
+}

src/things/room.ts

@@ -127,23 +127,23 @@ export class SCRoomMeta
    */
   fieldTranslations = {
     de: {
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.de,
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<SCThingThatAcceptsPaymentsWithoutReferencesMeta>()
+      ...new SCPlaceWithoutReferencesMeta().fieldTranslations.de,
+      ...new SCThingThatAcceptsPaymentsWithoutReferencesMeta()
         .fieldTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCRoomCategories,
         SCRoomSpecificValues>().fieldTranslations.de,
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .de,
       floorName: 'Etagenbezeichnung',
       inventory: 'Bestand',
     },
     en: {
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldTranslations.en,
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<SCThingThatAcceptsPaymentsWithoutReferencesMeta>()
+      ...new SCPlaceWithoutReferencesMeta().fieldTranslations.en,
+      ...new SCThingThatAcceptsPaymentsWithoutReferencesMeta()
         .fieldTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCRoomCategories,
         SCRoomSpecificValues>().fieldTranslations.en,
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .en,
       floorName: 'floor name',
       inventory: 'inventory',
@@ -155,12 +155,12 @@ export class SCRoomMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.de,
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<SCThingThatAcceptsPaymentsWithoutReferencesMeta>()
+      ...new SCPlaceWithoutReferencesMeta().fieldValueTranslations.de,
+      ...new SCThingThatAcceptsPaymentsWithoutReferencesMeta()
         .fieldValueTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCRoomCategories,
         SCRoomSpecificValues>().fieldValueTranslations.de,
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.de,
       categories: {
         'cafe': 'Café',
@@ -180,12 +180,12 @@ export class SCRoomMeta
       type: 'Raum',
     },
     en: {
-      ...SCPlaceWithoutReferencesMeta.getInstance<SCPlaceWithoutReferencesMeta>().fieldValueTranslations.en,
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<SCThingThatAcceptsPaymentsWithoutReferencesMeta>()
+      ...new SCPlaceWithoutReferencesMeta().fieldValueTranslations.en,
+      ...new SCThingThatAcceptsPaymentsWithoutReferencesMeta()
         .fieldValueTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCRoomCategories,
         SCRoomSpecificValues>().fieldValueTranslations.en,
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.en,
       type: SCThingType.Room,
     },

src/things/semester.ts

@@ -29,7 +29,7 @@ export interface SCSemesterWithoutReferences
    * The short name of the semester, using the given pattern.
    *
    * @filterable
-   * @pattern ^(WS|SS) [0-9]{4}(/[0-9]{2})?$
+   * @pattern ^(WS|SS|WiSe|SoSe) [0-9]{4}(/[0-9]{2})?$
    * @keyword
    */
   acronym: string;
@@ -65,7 +65,7 @@ export class SCSemesterMeta
    */
   fieldTranslations = {
     de: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance<SCAcademicTermWithoutReferencesMeta>().fieldTranslations.de,
+      ...new SCAcademicTermWithoutReferencesMeta().fieldTranslations.de,
       acronym: 'Abkürzung',
       endDate: 'Ende',
       eventsEndDate: 'Vorlesungsschluss',
@@ -73,7 +73,7 @@ export class SCSemesterMeta
       startDate: 'Beginn',
     },
     en: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance<SCAcademicTermWithoutReferencesMeta>().fieldTranslations.en,
+      ...new SCAcademicTermWithoutReferencesMeta().fieldTranslations.en,
       acronym: 'acronym',
       endDate: 'end date',
       eventsEndDate: 'semester ending',
@@ -87,12 +87,12 @@ export class SCSemesterMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance<SCAcademicTermWithoutReferencesMeta>()
+      ...new SCAcademicTermWithoutReferencesMeta()
         .fieldValueTranslations.de,
       type: 'Semester',
     },
     en: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance<SCAcademicTermWithoutReferencesMeta>()
+      ...new SCAcademicTermWithoutReferencesMeta()
         .fieldValueTranslations.en,
       type: SCThingType.Semester,
     },

src/things/setting.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 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.
@@ -12,7 +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 {SCMetaTranslations, SCTranslations} from '../general/i18n';
+import {SCLanguageCode, SCMetaTranslations, SCTranslations} from '../general/i18n';
 import {SCThing, SCThingMeta, SCThingType} from './abstract/thing';
 import {
   SCThingWithCategories,
@@ -21,6 +21,7 @@ import {
   SCThingWithCategoriesWithoutReferences,
   SCThingWithCategoriesWithoutReferencesMeta,
 } from './abstract/thing-with-categories';
+import {SCUserGroup} from './abstract/user-groups';
 
 /**
  * A setting without references
@@ -83,7 +84,6 @@ export enum SCSettingInputType {
  * A setting with references
  *
  * @validatable
- * @indexable
  */
 export interface SCSetting
   extends SCSettingWithoutReferences, SCThing,
@@ -129,7 +129,7 @@ export class SCSettingMeta extends SCThingMeta implements SCMetaTranslations<SCS
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCSettingCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
       defaultValue: 'Standard Wert',
       inputType: 'Eingabetyp',
@@ -138,7 +138,7 @@ export class SCSettingMeta extends SCThingMeta implements SCMetaTranslations<SCS
       values: 'Werte',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCSettingCategories,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
       defaultValue: 'default value',
       inputType: 'input type',
@@ -153,7 +153,7 @@ export class SCSettingMeta extends SCThingMeta implements SCMetaTranslations<SCS
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCSettingCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
       categories: {
         credentials: 'Anmeldedaten',
@@ -171,9 +171,61 @@ export class SCSettingMeta extends SCThingMeta implements SCMetaTranslations<SCS
       type: 'Einstellung',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<SCSettingCategories,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
       type: SCThingType.Setting,
     },
   };
 }
+
+/**
+ * A user group setting
+ */
+export interface SCUserGroupSetting extends SCSetting {
+  /**
+   * Exact categories of the setting
+   */
+  categories: ['profile'];
+  /**
+   * The default value of the setting
+   */
+  defaultValue: SCUserGroup;
+  /**
+   * Specific name of the setting
+   */
+  name: 'group';
+  /**
+   * Chosen value of the setting
+   */
+  value?: SCUserGroup;
+  /**
+   * The possible values of the setting
+   */
+  values: SCUserGroup[];
+}
+
+/**
+ * A language setting
+ */
+export interface SCLanguageSetting extends SCSetting {
+  /**
+   * Exact categories of the setting
+   */
+  categories: ['profile'];
+  /**
+   * The default value of the setting
+   */
+  defaultValue: SCLanguageCode;
+  /**
+   * Specific name of the setting
+   */
+  name: 'language';
+  /**
+   * Chosen value of the setting
+   */
+  value?: SCLanguageCode;
+  /**
+   * The possible values of the setting
+   */
+  values: SCLanguageCode[];
+}

src/things/sport-course.ts

@@ -52,10 +52,10 @@ export class SCSportCourseMeta
    */
   fieldTranslations = {
     de: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.de,
+      ...new SCEventMeta().fieldTranslations.de,
     },
     en: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.en,
+      ...new SCEventMeta().fieldTranslations.en,
     },
   };
 
@@ -64,11 +64,11 @@ export class SCSportCourseMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.de,
+      ...new SCEventMeta().fieldValueTranslations.de,
       type: 'Sportkurs',
     },
     en: {
-      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.en,
+      ...new SCEventMeta().fieldValueTranslations.en,
       type: SCThingType.SportCourse,
     },
   };

src/things/study-module.ts

@@ -150,8 +150,8 @@ export class SCStudyModuleMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingMeta().fieldTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldTranslations.de,
       academicEvents: 'Veranstaltungen',
       ects: 'ECTS-Punkte',
@@ -164,8 +164,8 @@ export class SCStudyModuleMeta
       secretary: 'Sekretariat',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingMeta().fieldTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldTranslations.en,
       academicEvents: 'academic events',
       ects: 'ECTS points',
@@ -184,8 +184,8 @@ export class SCStudyModuleMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingMeta().fieldValueTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.de,
       necessity: {
         'elective': 'Wahlfach',
@@ -195,8 +195,8 @@ export class SCStudyModuleMeta
       type: 'Studiengangmodul',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
-      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+      ...new SCThingMeta().fieldValueTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.en,
       type: SCThingType.StudyModule,
     },

src/things/ticket.ts

@@ -70,14 +70,14 @@ export class SCTicketMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .de,
       approxWaitingTime: 'ungefähre Wartezeit',
       currentTicketNumber: 'aktuelle Ticketnummer',
       serviceType: 'Service Kategorie',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+      ...new SCThingInPlaceMeta().fieldTranslations
         .en,
       approxWaitingTime: 'approximate waiting time',
       currentTicketNumber: 'current ticket number',
@@ -90,12 +90,12 @@ export class SCTicketMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.de,
       type: 'Ticket',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+      ...new SCThingInPlaceMeta()
         .fieldValueTranslations.en,
       type: SCThingType.Ticket,
     },

src/things/todo.ts

@@ -88,14 +88,14 @@ export class SCToDoMeta extends SCThingMeta implements SCMetaTranslations<SCToDo
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<string,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<string,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
       done: 'Erledigt',
       dueDate: 'Fälligkeitsdatum',
       priority: 'Priorität',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<string,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<string,
         SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
       done: 'done',
       dueDate: 'due date',
@@ -108,12 +108,12 @@ export class SCToDoMeta extends SCThingMeta implements SCMetaTranslations<SCToDo
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<string,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<string,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
       type: 'ToDo',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<string,
+      ...new SCThingWithCategoriesWithoutReferencesMeta<string,
         SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
       type: SCThingType.ToDo,
     },

src/things/tour.ts

@@ -65,12 +65,12 @@ export class SCTourMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ...new SCThingMeta().fieldTranslations.de,
       init: 'Initiales Skript',
       steps: 'Schritte',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ...new SCThingMeta().fieldTranslations.en,
       init: 'initial script',
       steps: 'steps',
     },
@@ -81,11 +81,11 @@ export class SCTourMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...new SCThingMeta().fieldValueTranslations.de,
       type: 'Tour',
     },
     en: {
-      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...new SCThingMeta().fieldValueTranslations.en,
       type: SCThingType.Tour,
     },
   };

src/things/video.ts

@@ -12,17 +12,19 @@
  * 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 {SCLanguage, SCMetaTranslations} from '../general/i18n';
+import {SCLanguage, SCMetaTranslations, SCTranslations} from '../general/i18n';
 import {SCISO8601Duration} from '../general/time';
-import {SCCreativeWork, SCCreativeWorkMeta, SCCreativeWorkWithoutReferences} from './abstract/creative-work';
+import {SCCreativeWork, SCCreativeWorkMeta, SCCreativeWorkTranslatableProperties, SCCreativeWorkWithoutReferences} from './abstract/creative-work';
 import {SCThingMeta, SCThingType} from './abstract/thing';
+import {SCAcademicPriceGroup, SCThingThatCanBeOffered, SCThingThatCanBeOfferedMeta, SCThingThatCanBeOfferedTranslatableProperties, SCThingThatCanBeOfferedWithoutReferences} from './abstract/thing-that-can-be-offered';
 import {SCPersonWithoutReferences} from './person';
 
 /**
  * A video without references
  */
 export interface SCVideoWithoutReferences
-  extends SCCreativeWorkWithoutReferences {
+  extends SCCreativeWorkWithoutReferences,
+  SCThingThatCanBeOfferedWithoutReferences {
   /**
    * The Duration of the Video
    */
@@ -52,6 +54,11 @@ export interface SCVideoWithoutReferences
    */
   transcript?: string;
 
+  /**
+   * Translated fields of a video
+   */
+  translations?: SCTranslations<SCVideoTranslatableFields>;
+
   /**
    * Type of an Video
    */
@@ -123,18 +130,34 @@ export interface SCVideoTrack {
  * @indexable
  */
 export interface SCVideo
-  extends SCCreativeWork, SCVideoWithoutReferences {
+  extends SCCreativeWork,
+  SCThingThatCanBeOffered<SCAcademicPriceGroup>,
+  SCVideoWithoutReferences {
   /**
    * Persons acting in the Video
    */
   actors?: SCPersonWithoutReferences[];
 
+  /**
+   * Translated fields of a video
+   */
+  translations?: SCTranslations<SCVideoTranslatableFields>;
+
   /**
    * Type of a video
    */
   type: SCThingType.Video;
 }
 
+/**
+ * Translatable properties of a video
+ */
+export interface SCVideoTranslatableFields
+extends SCCreativeWorkTranslatableProperties,
+  SCThingThatCanBeOfferedTranslatableProperties {
+}
+
+
 /**
  * Meta information about a video
  */
@@ -146,8 +169,9 @@ export class SCVideoMeta
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+      ...new SCCreativeWorkMeta().fieldTranslations
         .de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.de,
       actors: 'Darsteller',
       duration: 'Dauer',
       sources: 'Quellen',
@@ -156,8 +180,9 @@ export class SCVideoMeta
       transcript: 'Transkript',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+      ...new SCCreativeWorkMeta().fieldTranslations
         .en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>().fieldTranslations.en,
       actors: 'actors',
       duration: 'duration',
       sources: 'sources',
@@ -172,12 +197,16 @@ export class SCVideoMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+      ...new SCCreativeWorkMeta()
+        .fieldValueTranslations.de,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.de,
       type: 'Video',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+      ...new SCCreativeWorkMeta()
+        .fieldValueTranslations.en,
+      ...new SCThingThatCanBeOfferedMeta<SCAcademicPriceGroup>()
         .fieldValueTranslations.en,
       type: SCThingType.Video,
     },

src/translator.ts

@@ -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 clone = require('fast-clone');
+import equal = require('fast-deep-equal/es6');
+import clone = require('rfdc');
 import {Defined, TSOCType} from 'ts-optchain';
-import {SCTranslations} from './general/i18n';
+import {SCLanguageCode} from './general/i18n';
 import {isThing} from './guards';
 import {SCClasses} from './meta';
 import {SCThing, SCThingType} from './things/abstract/thing';
@@ -27,13 +28,32 @@ const standardCacheSize = 200;
  */
 export class SCThingTranslator {
 
+  /**
+   * Getter for language property
+   */
+  get language(): SCLanguageCode {
+    return this._language;
+  }
+
+  /**
+   * Setter for language property. Also flushes translation cache
+   *
+   * @param language The language the translator instance will use from now on
+   */
+  set language(language: SCLanguageCode) {
+    if (language !== this._language) {
+      this.cache.flush();
+    }
+    this._language = language;
+  }
+
   /**
    * Property representing the translators target language
    */
-  private _language: keyof SCTranslations<SCThing>;
+  private _language: SCLanguageCode;
+
   /**
-   * Property representing the translators base language
-   * This means every translation is given for this language
+   * LRU cache containing already translated SCThings
    */
   private readonly cache: LRUCache<SCThing>;
 
@@ -42,34 +62,28 @@ export class SCThingTranslator {
    */
   private readonly metaClasses: typeof SCClasses;
 
+  /**
+   * LRU cache containing SCThings translations have been provided for
+   */
+  private readonly sourceCache: LRUCache<SCThing>;
+
   /**
    * @example
    * // returns translator instance for german
    * new SCThingTranslator('de');
    */
-  constructor(language: keyof SCTranslations<SCThing>, cacheCapacity: number = standardCacheSize) {
+  constructor(language: SCLanguageCode, cacheCapacity: number = standardCacheSize) {
     this.cache = new LRUCache(cacheCapacity);
+    this.sourceCache = new LRUCache(cacheCapacity);
     this._language = language;
     this.metaClasses = SCClasses;
-  }
 
-  /**
-   * Getter for language property
-   */
-  get language(): keyof SCTranslations<SCThing> {
-    return this._language;
-  }
-
-  /**
-   * Setter for language property. Also flushes translation cache
-   *
-   * @param language The language the translator instance will use from now on
-   */
-  set language(language: keyof SCTranslations<SCThing>) {
-    if (language !== this._language) {
-      this.cache.flush();
+    // Initalize all meta classes once
+    if (typeof (this.metaClasses as any)[Object.keys(this.metaClasses)[0]] === 'function') {
+      for (const metaClass of Object.keys(this.metaClasses)) {
+        (this.metaClasses as any)[metaClass] = new (SCClasses as any)[metaClass]();
+      }
     }
-    this._language = language;
   }
 
   /**
@@ -101,8 +115,8 @@ export class SCThingTranslator {
    * @param language The language the thing property values are translated to
    * @returns The thing with all known meta values translated
    */
-  private getAllMetaFieldTranslations<T extends SCThing>(thingType: SCThingType,
-                                                         language: keyof SCTranslations<T>): object | undefined {
+  private getAllMetaFieldTranslations(thingType: SCThingType,
+                                      language: SCLanguageCode): object | undefined {
     const fieldTranslations = {};
     const metaClass = this.getMetaClassInstance(thingType);
     if (typeof metaClass === 'undefined') {
@@ -136,7 +150,7 @@ export class SCThingTranslator {
    */
   private getMetaClassInstance(thingType: SCThingType): any {
     if (thingType in this.metaClasses) {
-      return new (this.metaClasses as any)[thingType]();
+      return this.metaClasses[thingType];
     }
 
     return undefined;
@@ -151,7 +165,7 @@ export class SCThingTranslator {
    * @returns The thing with translated meta field values
    */
   private replaceAvailableMetaFieldValueTranslations(instance: any,
-                                                     language: keyof SCTranslations<any>): any {
+                                                     language: SCLanguageCode): any {
     const metaClass = this.getMetaClassInstance(instance.type);
     if (typeof metaClass === 'undefined') {
       return instance;
@@ -181,6 +195,60 @@ export class SCThingTranslator {
     return instance;
   }
 
+  /**
+   * Recursively translates the given object in-place
+   * Translated values overwrite current values (destructive)
+   *
+   * @param instance The thing / object that will be translated
+   * @returns The thing translated
+   */
+  private translateThingInPlaceDestructively<T>(instance: T): T {
+    const targetLanguage = this.language;
+
+    let nextInstance = instance as any;
+    // Recursively call this function on all nested SCThings, arrays and objects
+    Object.keys(nextInstance)
+      .forEach((key) => {
+        if (
+          isThing(nextInstance[key]) ||
+          nextInstance[key] instanceof Array ||
+          nextInstance[key] instanceof Object) {
+            nextInstance[key] = this.translateThingInPlaceDestructively(nextInstance[key]);
+        }
+      });
+
+    // Spread variable translations given by the connector into thing
+    if (typeof nextInstance.translations?.[targetLanguage] !== 'undefined') {
+      nextInstance = {...nextInstance, ...nextInstance.translations![targetLanguage]} as T;
+    }
+    // Spread known translations from meta classes into (partly) translated thing
+    this.replaceAvailableMetaFieldValueTranslations(nextInstance, targetLanguage);
+
+    return nextInstance;
+  }
+
+  /**
+   * Recursively translates the given object in-place
+   * Translated values overwrite current values (destructive)
+   *
+   * @param instance The thing / object that will be translated
+   * @returns The thing translated
+   */
+  public translate<T extends SCThing>(thing: T): T {
+    if (equal(this.sourceCache.get(thing), thing)) {
+      const cachedInstance = this.cache.get(thing);
+      if (typeof cachedInstance !== 'undefined') {
+        return cachedInstance as T;
+      }
+    }
+    const translatedInstance = this.translateThingInPlaceDestructively(clone()(thing));
+    delete translatedInstance.translations;
+    this.cache.putObject(translatedInstance);
+    this.sourceCache.putObject(thing);
+
+    return translatedInstance as T;
+  }
+
   /**
    * Get field value translation recursively
    * @example
@@ -191,21 +259,24 @@ export class SCThingTranslator {
    * dishTranslatedAccess.offers[0].inPlace.categories[1]();
    * // undoing the TSOCType<T>
    * const dishAsBefore: SCDish = dishTranslatedAccess()!;
-   * @param data Top level object that gets passed through the recursion
+   * @param thing Top level object that gets passed through the recursion
    * @returns an TSOCType<T> object allowing for access to translations or a translated value(s)
    */
-  public translate<T extends SCThing>(data: T): TSOCType<T> {
+  public translatedAccess<T extends SCThing>(thing: T): TSOCType<T> {
     return new Proxy(
-      ((defaultValue?: Defined<T>) => (data == null ? defaultValue : data)) as TSOCType<T>,
+      ((defaultValue?: Defined<T>) => (thing == null ? defaultValue : thing)) as TSOCType<T>,
       {
         get: (target, key) => {
           const obj: any = target();
-          const objTranslatedFromCache = this.cache.get(data);
-          if (typeof objTranslatedFromCache !== 'undefined') {
-            return this.deeptranslate((objTranslatedFromCache as any)[key]);
+          if (equal(this.sourceCache.get(thing), thing)) {
+            const objTranslatedFromCache = this.cache.get(thing);
+            if (typeof objTranslatedFromCache !== 'undefined') {
+              return this.deeptranslate((objTranslatedFromCache as any)[key]);
+            }
           }
-          const objTranslated = this.translateWholeThingDestructively(clone(obj));
+          const objTranslated = this.translateThingInPlaceDestructively(clone()(obj));
           this.cache.putObject(objTranslated);
+          this.sourceCache.putObject(thing);
 
           return this.deeptranslate(objTranslated[key]);
         },
@@ -217,73 +288,33 @@ export class SCThingTranslator {
    * Given a SCThingType this function returns an object with the same basic structure as the corresponding SCThing
    * All the values will be set to the known translations of the property/key name
    * @example
-   * const translatedMetaDish = translator.translatedPropertyNames<SCCourseOfStudies>(SCThingType.CourseOfStudies);
+   * const translatedMetaDish = translator.translatedPropertyNames<SCCourseOfStudy>(SCThingType.CourseOfStudy);
    * @param type The type whose property names will be translated
-   * @param language The language all property names will be translated to
    * @returns An object with the properties of the SCThingType where the values are the known property tranlations
    */
-  public translatedPropertyNames<T extends SCThing>(type: SCThingType,
-                                                    language?: keyof SCTranslations<T>): T | undefined {
-    const targetLanguage = (typeof language !== 'undefined') ? language : this.language;
-
-    return this.getAllMetaFieldTranslations(type, targetLanguage) as T;
+  public translatedPropertyNames<T extends SCThing>(type: SCThingType): T | undefined {
+    return this.getAllMetaFieldTranslations(type, this.language) as T;
   }
 
   /**
-   * Given a SCThingType this function will translate it
-   *
-   * @param type The type that will be translated
-   * @param language The language the type will be translated to
-   * @returns Known translation of type parameter
+   * Given a SCThingType and a corresponding property name it returns the known property value translation
+   * Access pattern to the meta object containing the translation can be thought of as type.field[key] with key being optional
+   * @example
+   * const singleValueTranslation = translator.translatedPropertyValue(SCThingType.Dish, 'categories', 'main dish');
+   * @param type The type for whose property values a translation is required
+   * @param field The property for which a translation is required
+   * @param key If specified tries to access the field with this key
+   * @returns Known translation for the property
    */
-  public translatedThingType<T extends unknown>(type: SCThingType,
-                                                language?: keyof SCTranslations<T>): string {
-    const targetLanguage = (typeof language !== 'undefined') ? language : this.language;
-    const metaClass = this.getMetaClassInstance(type);
+  public translatedPropertyValue(type: SCThingType,
+                                 field: string,
+                                 key?: string): string | undefined {
+    const fieldValueTranslations = this.getMetaClassInstance(type).fieldValueTranslations[this.language] ??
+                                   this.getMetaClassInstance(type).fieldValueTranslations.en;
+    const fieldTranslation = fieldValueTranslations?.[field];
 
-    if (typeof metaClass.fieldValueTranslations[targetLanguage] !== 'undefined' &&
-        typeof metaClass.fieldValueTranslations[targetLanguage].type !== 'undefined') {
-      return metaClass.fieldValueTranslations[targetLanguage].type as string ;
-    }
-
-    return type;
+    return fieldTranslation?.[key ?? ''] ?? key ?? fieldTranslation;
   }
-
-  /**
-   * Recursively translates the given object in-place
-   * Translated values overwrite current values (destructive)
-   *
-   * @param instance The thing / object that will be translated
-   * @param language The language the thing / object is translated to
-   * @returns The thing translated
-   */
-  public translateWholeThingDestructively(instance: any,
-                                          language?: keyof SCTranslations<any>): any {
-    const targetLanguage = (typeof language !== 'undefined') ? language : this.language;
-    let nextInstance = instance;
-    // Recursively call this function on all nested SCThings, arrays and objects
-    Object.keys(nextInstance)
-      .forEach((key) => {
-        if (
-          isThing((nextInstance as any)[key]) ||
-          nextInstance[key] instanceof Array ||
-          nextInstance[key] instanceof Object) {
-          nextInstance[key] = this.translateWholeThingDestructively(nextInstance[key], targetLanguage);
-        }
-      });
-
-    // Spread variable translations given by the connector into thing
-    if (typeof nextInstance.translations !== 'undefined') {
-      if (typeof nextInstance.translations![targetLanguage] !== 'undefined') {
-        nextInstance = {...nextInstance, ...nextInstance.translations![targetLanguage]} as typeof instance;
-      }
-    }
-    // Spread known translations from meta classes into (partly) translated thing
-    this.replaceAvailableMetaFieldValueTranslations(nextInstance, targetLanguage);
-
-    return nextInstance;
-  }
-
 }
 
 /**

test/compat.spec.ts

@@ -0,0 +1,44 @@
+/*
+ * 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 {lightweightProjectFromPath} from '@openstapps/core-tools/lib/easy-ast/easy-ast';
+import {LightweightProject} from '@openstapps/core-tools/lib/easy-ast/types/lightweight-project';
+import {expect} from 'chai';
+import {reduce} from 'lodash';
+
+process.on('unhandledRejection', (err) => {
+  throw err;
+});
+
+describe('Mapping Compatibility', () => {
+  let project: LightweightProject;
+
+  before(function () {
+    this.timeout(15000);
+    this.slow(10000);
+
+    project = lightweightProjectFromPath('src');
+  });
+
+  it('non-exported definitions should not have duplicate names across files', () => {
+    reduce(project, (result, file) => reduce(file, (result2, _, key) => {
+      expect(result2[key]).to.be.undefined;
+      return {
+        [key]: true,
+        ...result2,
+      };
+    }, result), {} as Record<string, boolean>);
+  });
+});

test/features.spec.ts

@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2018 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 {isLightweightClass, isLightweightEnum, isUnionType} from '@openstapps/core-tools/lib/easy-ast/ast-util';
+import {LightweightAliasDefinition} from '@openstapps/core-tools/lib/easy-ast/types/lightweight-alias-definition';
+import {LightweightProjectWithIndex} from '@openstapps/core-tools/lib/easy-ast/types/lightweight-project';
+import {LightweightType} from '@openstapps/core-tools/lib/easy-ast/types/lightweight-type';
+import {LightweightClassDefinition} from '@openstapps/core-tools/src/easy-ast/types/lightweight-class-definition';
+import {LightweightDefinition} from '@openstapps/core-tools/src/easy-ast/types/lightweight-definition';
+import {LightweightProperty} from '@openstapps/core-tools/src/easy-ast/types/lightweight-property';
+import {expect} from 'chai';
+import {assign, chain, clone, flatMap, isNil, reduce, reject, some} from 'lodash';
+
+process.on('unhandledRejection', (err) => {
+  throw err;
+});
+
+describe('Features', () => {
+  let project: LightweightProjectWithIndex;
+  let thingNames: string[];
+  let things: LightweightClassDefinition[];
+  let thingsWithoutReferences: LightweightClassDefinition[];
+
+  before(function () {
+    this.timeout(15000);
+    this.slow(10000);
+
+    project = new LightweightProjectWithIndex('src');
+
+    const thingsReflection = project.definitions['SCIndexableThings'] as LightweightAliasDefinition;
+    expect(isLightweightEnum(thingsReflection)).to.be.true;
+    expect(isUnionType(thingsReflection.type!)).to.be.true;
+
+    thingsReflection.type!.specificationTypes!.push({
+      flags: 524_288,
+      referenceName: 'SCDiff',
+    });
+
+    // tslint:disable-next-line:no-unused-expression
+    expect(thingsReflection.type?.specificationTypes?.every(it => typeof it.referenceName !== 'undefined')).to.be.true;
+    thingNames = thingsReflection.type?.specificationTypes?.map(type => type.referenceName!) ?? [];
+    things = thingNames
+      .map(it => project.definitions[it])
+      .filter(isLightweightClass);
+    thingsWithoutReferences = thingNames
+      .map(it => project.definitions[`${it}WithoutReferences`])
+      .filter(isLightweightClass);
+  });
+
+  const inheritedProperties = function (classLike: LightweightClassDefinition):
+    Record<string, LightweightProperty> | undefined {
+    return reduce(
+      [...(classLike.implementedDefinitions ?? []), ...(classLike.extendedDefinitions ?? [])],
+      (obj, extension) => {
+        const object = project.definitions[extension.referenceName ?? ''];
+
+        return assign(obj, isLightweightClass(object)
+          ? inheritedProperties(object)
+          : obj);
+      },
+      clone(classLike.properties)
+    );
+  };
+
+  it('should have an origin', () => {
+    for (const thing of things) {
+      expect(inheritedProperties(thing)?.['origin']).not.to.be.undefined;
+    }
+  });
+
+  it('should not have duplicate names', () => {
+    reduce(project.files, (fileResult, file) =>
+      reduce(file, (definitionResult, definition: LightweightDefinition) => {
+        expect(definitionResult[definition.name]).to.be.undefined;
+        definitionResult[definition.name] = true; // something that's not undefined
+
+        return definitionResult;
+      }, fileResult), {} as Record<string, true>);
+  });
+
+  it('should not have properties referencing SCThing', () => {
+    const allPropertyReferenceNames: (property: LightweightProperty) => string[] = property => reject([
+      property.type.referenceName!,
+      ...flatMap(property.properties, allPropertyReferenceNames),
+    ], isNil);
+
+    const typeHasSCThingReferences: (type?: LightweightType) => boolean = type => type?.referenceName
+      ? hasSCThingReferences(project.definitions[type.referenceName])
+      : some(type?.specificationTypes, typeHasSCThingReferences);
+
+    const hasSCThingReferences: (definition?: LightweightDefinition) => boolean = definition =>
+      isLightweightClass(definition)
+        ? chain(inheritedProperties(definition))
+          .flatMap(it => flatMap(it.properties, allPropertyReferenceNames))
+          .map(it => project.definitions[it] as LightweightDefinition)
+          .some(it => it.name === 'SCThing' || hasSCThingReferences(it))
+          .value()
+        : definition ? typeHasSCThingReferences(definition.type) : false;
+
+    for (const thing of things) {
+      expect(hasSCThingReferences(thing)).to.be.false;
+    }
+  });
+
+  function extendsSCThing(definition?: LightweightDefinition): boolean {
+    return isLightweightClass(definition)
+      ? chain([
+        ...(definition as LightweightClassDefinition).extendedDefinitions ?? [],
+        ...(definition as LightweightClassDefinition).implementedDefinitions ?? [],
+      ])
+        .map(it => it.referenceName)
+        .reject(isNil)
+        .some(it => it === 'SCThing' || extendsSCThing(project.definitions[it!]))
+        .value()
+      : false;
+  }
+
+  it('should extend SCThing if it is an SCThing', () => {
+    for (const thing of things) {
+      expect(extendsSCThing(thing)).to.be.true;
+    }
+  });
+
+  it('should not extend SCThing if it is an SCThingWithoutReferences', () => {
+    for (const thingWithoutReferences of thingsWithoutReferences) {
+      expect(extendsSCThing(thingWithoutReferences)).to.be.false;
+    }
+  });
+});

test/guards.spec.ts

@@ -116,8 +116,10 @@ export class GuardsSpec {
   @test
   public isSearchResponse() {
     const notASearchResponse = {...GuardsSpec.searchResponse};
+    // @ts-ignore
     delete notASearchResponse.pagination;
     expect(isSearchResponse(notASearchResponse)).to.be.equal(false);
+    // @ts-ignore
     delete notASearchResponse.data;
     expect(isSearchResponse(notASearchResponse)).to.be.equal(false);
     expect(isSearchResponse(null)).to.be.equal(false);

test/resources/Assessment.1.json

@@ -0,0 +1,36 @@
+{
+  "errorNames": [],
+  "instance": {
+    "attempt": 1,
+    "date": "2020-04-01",
+    "ects": 20,
+    "grade": "N/A",
+    "status": "ongoing",
+    "uid": "681a59a1-23c2-5d78-861a-8c86a3abf404",
+    "name": "Introductory courses extreme math",
+    "categories": [
+      "university assessment"
+    ],
+    "courseOfStudy": {
+      "academicDegree": "bachelor",
+      "academicDegreewithField": "Bachelor of Arts",
+      "academicDegreewithFieldShort": "B.A.",
+      "mainLanguage": {
+        "code": "de",
+        "name": "german"
+      },
+      "mode": "dual",
+      "name": "Astroturfing",
+      "timeMode": "parttime",
+      "type": "course of study",
+      "uid": "4c6f0a18-343d-5175-9fb1-62d28545c2aa"
+    },
+    "origin": {
+      "indexed": "2020-04-11T12:30:00Z",
+      "name": "Dummy",
+      "type": "remote"
+    },
+    "type": "assessment"
+  },
+  "schema": "SCAssessment"
+}

test/resources/Assessment.2.json

@@ -0,0 +1,51 @@
+{
+  "errorNames": [],
+  "instance": {
+    "attempt": 1,
+    "date": "2020-04-01",
+    "ects": 6,
+    "grade": "very much 1.0",
+    "status": "passed",
+    "uid": "681a59a1-23c2-5d78-861a-8c86a3abf303",
+    "name": "Mathe 9001",
+    "categories": [
+      "university assessment"
+    ],
+    "superAssessments": [
+      {
+        "attempt": 1,
+        "date": "2020-04-01",
+        "ects": 20,
+        "grade": "N/A",
+        "status": "ongoing",
+        "uid": "681a59a1-23c2-5d78-861a-8c86a3abf404",
+        "name": "Introductory courses extreme math",
+        "categories": [
+          "university assessment"
+        ],
+        "type": "assessment"
+      }
+    ],
+    "courseOfStudy": {
+      "academicDegree": "bachelor",
+      "academicDegreewithField": "Bachelor of Arts",
+      "academicDegreewithFieldShort": "B.A.",
+      "mainLanguage": {
+        "code": "de",
+        "name": "german"
+      },
+      "mode": "dual",
+      "name": "Astroturfing",
+      "timeMode": "parttime",
+      "type": "course of study",
+      "uid": "4c6f0a18-343d-5175-9fb1-62d28545c2aa"
+    },
+    "origin": {
+      "indexed": "2020-04-11T12:30:00Z",
+      "name": "Dummy",
+      "type": "remote"
+    },
+    "type": "assessment"
+  },
+  "schema": "SCAssessment"
+}

test/resources/Diff.1.json

@@ -21,6 +21,9 @@
       "audiences": [
         "students"
       ],
+      "categories": [
+        "news"
+      ],
       "sequenceIndex": 1010,
       "origin": {
         "indexed": "2018-09-11T12:30:00Z",

test/resources/Diff.2.json

@@ -21,6 +21,9 @@
       "audiences": [
         "students"
       ],
+      "categories": [
+        "news"
+      ],
       "sequenceIndex": 1020,
       "origin": {
         "indexed": "2018-09-11T12:30:00Z",

test/resources/Favorite.json

@@ -6,17 +6,67 @@
     "uid": "3af3ccaa-f066-5eff-9a3d-a70567f3d70d",
     "data": {
       "type": "academic event",
-      "description": "Grundlagen, algebraische Grundbegriffe, Vektorräume, lineare Abbildungen und Gleichungen, Determinanten",
-      "uid": "b17eb963-42b5-5861-adce-2b7b2607ef0a",
-      "name": "Lineare Algebra I für Mathematiker",
+      "description": "Fortsetzung der Algebra I: Galoistheorie mit Anwendungen, ausgewählte Spezialthemen.",
+      "uid": "681a59a1-23c2-5d78-861a-8c86a3abf2b9",
+      "name": "Algebra II",
       "categories": [
         "lecture"
       ],
+      "academicTerms": [
+        {
+          "uid": "aacd5611-b5be-54ce-b39f-c52f7e9a631d",
+          "type": "semester",
+          "name": "Sommersemester 2018",
+          "acronym": "SS 2018",
+          "alternateNames": [
+            "SoSe 2018"
+          ],
+          "startDate": "2018-04-01",
+          "endDate": "2018-09-30",
+          "eventsStartDate": "2018-04-09",
+          "eventsEndDate": "2018-07-13"
+        }
+      ],
+      "performers": [
+        {
+          "type": "person",
+          "uid": "7f8ce700-2679-51a5-86b5-3dfba85a33ff",
+          "givenName": "Peter",
+          "familyName": "Bürgisser",
+          "gender": "male",
+          "honorificPrefix": "Prof. Dr.",
+          "name": "Peter Bürgisser"
+        }
+      ],
       "majors": [
-        "Wirtschaftsmathematik BSc",
-        "Technomathematik BSc",
-        "Mathematik BSc"
-      ]
+        "Mathematik D",
+        "Mathematik L2",
+        "Mathematik StRGym",
+        "Mathematik StRBeruf",
+        "Mathematik BSc",
+        "Mathematik MSc"
+      ],
+      "origin": {
+        "indexed": "2018-09-11T12:30:00Z",
+        "name": "Dummy",
+        "type": "remote",
+        "maintainer": {
+          "type": "organization",
+          "name": "tubIT",
+          "uid": "25f76840-db89-5da2-a8a2-75992f637613"
+        },
+        "modified": "2018-09-01T10:00:00Z",
+        "originalId": "foo bar",
+        "responsibleEntity": {
+          "type": "person",
+          "uid": "7f8ce700-2679-51a5-86b5-3dfba85a33ff",
+          "givenName": "Peter",
+          "familyName": "Bürgisser",
+          "gender": "male",
+          "honorificPrefix": "Prof. Dr.",
+          "name": "Peter Bürgisser"
+        }
+      }
     },
     "origin": {
       "created": "2018-09-11T12:30:00Z",

test/resources/SearchRequest.1.json

@@ -22,8 +22,8 @@
           },
           {
             "arguments": {
-              "fromField": "availabilityStarts",
-              "toField": "availabilityEnds",
+              "scope": "d",
+              "field": "availabilityRange",
               "time": "2018-01-15T04:13:00+00:00"
             },
             "type": "availability"

test/resources/indexable/Article.1.json

@@ -6,7 +6,7 @@
     "categories": [
       "unipedia"
     ],
-    "url": "https://www.mydesk.tu-berlin.de/wiki/abk%C3%BCrzungen",
+    "sameAs": "https://www.mydesk.tu-berlin.de/wiki/abk%C3%BCrzungen",
     "name": "Abkürzungen",
     "keywords": [
       "Abkürzungen",

test/resources/indexable/Article.2.json

@@ -6,7 +6,7 @@
     "categories": [
       "unipedia"
     ],
-    "url": "https://www.mydesk.tu-berlin.de/wiki/ag_ziethen",
+    "sameAs": "https://www.mydesk.tu-berlin.de/wiki/ag_ziethen",
     "name": "AG Ziethen",
     "keywords": [
       "Bologna",

test/resources/indexable/Article.3.json

@@ -0,0 +1,36 @@
+{
+  "errorNames": [],
+  "instance": {
+    "type": "article",
+    "uid": "d541eda5-1542-59b2-969e-7dbbee0bd2a8",
+    "name": "Mozart und Frankfurt am Main : drei Generationen Mozart in Frankfurt am Main",
+    "description": "Ill.",
+    "categories": [
+      "article"
+    ],
+    "authors": [
+      {
+        "type": "person",
+        "uid": "56d46c9b-8ede-52ae-a40f-6800cff577e5",
+        "name": "Greve, Clemens"
+      }
+    ],
+    "firstPublished": "2008",
+    "sameAs": "https://ubffm.hds.hebis.de/Record/HEB198305427",
+    "origin": {
+      "indexed": "2018-09-11T12:30:00Z",
+      "name": "HeBIS HDS",
+      "originalId": "HEB198305427",
+      "type": "remote",
+      "url": "https://ubffm.hds.hebis.de"
+    },
+    "isPartOf": {
+      "uid": "bc5e5399-a24c-5c01-9c1b-0c8b83272087",
+      "name": "Archiv für Frankfurts Geschichte und Kunst",
+      "type": "periodical",
+      "categories": []
+    },
+    "reference": "Band 71 (2008), Seite 27-40"
+  },
+  "schema": "SCArticle"
+}

test/resources/indexable/Article.4.json

@@ -0,0 +1,36 @@
+{
+  "errorNames": [],
+  "instance": {
+    "type": "article",
+    "uid": "554a4a89-df73-5197-ac85-c8a5a3a9c5b0",
+    "name": "Ursula Janik : [Markthändlerin]",
+    "description": "Ill.",
+    "categories": [
+      "article"
+    ],
+    "authors": [
+      {
+        "type": "person",
+        "uid": "c6e44e1f-f76c-53f8-a18f-47fa54ae0e90",
+        "name": "Fröhlich, Ute B."
+      }
+    ],
+    "firstPublished": "2002",
+    "sameAs": "https://ubffm.hds.hebis.de/Record/HEB107025590",
+    "origin": {
+      "indexed": "2018-09-11T12:30:00Z",
+      "name": "HeBIS HDS",
+      "originalId": "HEB107025590",
+      "type": "remote",
+      "url": "https://ubffm.hds.hebis.de"
+    },
+    "isPartOf": {
+      "uid": "f84c1851-042e-542f-ba7a-158b32dfb82f",
+      "name": "Frankfurter Allgemeine. R, Rhein-Main-Zeitung",
+      "type": "periodical",
+      "categories": []
+    },
+    "reference": "Heft 190 (17. 8 2002), Seite 62"
+  },
+  "schema": "SCArticle"
+}