fix: add translations for every SCThing

fix: add field translations for  basic interfaces

fix: add translations for Message, Ticket & Video

fix: add translations for AcademicEvent, Article, Book and Building

fix: add translations

fix: add translations for Dish, Floor, Person and Room

fix: finalize  known translations

fix: add translations for setting

fix: add empty translations for fieldValues

style: applied tslint rules

fix: add missing fieldValueTranslations

fix: remove illegal nested translations

src/core/base/AcademicDegree.ts

@@ -50,20 +50,22 @@ export interface SCAcademicDegree
  * Meta information about academic degrees
  */
 export class SCAcademicDegreeMeta
-  extends SCThingMeta
+  extends SCThingMeta implements SCMetaTranslations<SCAcademicDegree> {
-  implements SCMetaTranslations<SCAcademicDegree> {
   /**
    * Translations of fields
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
       academicDegree: 'Hochschulgrad',
       academicDegreewithField: 'Abschlussbezeichnungen',
       academicDegreewithFieldShort: 'Abschlussbezeichnungen (kurz)',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      academicDegree: 'academic degree',
+      academicDegreewithField: 'acedemic degree and discipline',
+      academicDegreewithFieldShort: 'acedemic degree and discipline (short)',
     },
   };
 
@@ -72,7 +74,7 @@ export class SCAcademicDegreeMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
       academicDegree: {
         'bachelor': 'Bachelor',
         'diploma': 'Diplom',
@@ -85,7 +87,7 @@ export class SCAcademicDegreeMeta
       },
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
     },
   };
 }

src/core/base/AcademicTerm.ts

@@ -65,10 +65,20 @@ export class SCAcademicTermWithoutReferencesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      acronym: 'Akronym',
+      endDate: 'Enddatum',
+      eventsEndDate: 'Enddatum der Veranstaltungen',
+      eventsStartDate: 'Startdatum der Veranstaltungen',
+      startDate: 'Startdatum',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      acronym: 'acronym',
+      endDate: 'end date',
+      eventsEndDate: 'end date of events',
+      eventsStartDate: 'start date of events',
+      startDate: 'start date',
     },
   };
 
@@ -77,10 +87,10 @@ export class SCAcademicTermWithoutReferencesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
     },
   };
 }

src/core/base/CreativeWork.ts

@@ -20,6 +20,7 @@ import {SCISO8601Date} from '../types/Time';
 import {
   SCAcademicPriceGroup,
   SCThingThatCanBeOffered,
+  SCThingThatCanBeOfferedMeta,
   SCThingThatCanBeOfferedTranslatableProperties,
   SCThingThatCanBeOfferedWithoutReferences,
 } from './ThingThatCanBeOffered';
@@ -92,10 +93,22 @@ export class SCCreativeWorkMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      ... SCThingThatCanBeOfferedMeta.getInstance().fieldTranslations.de,
+      authors: 'Authoren',
+      datePublished: 'Veröffentlichungsdatum',
+      inLanguages: 'verfügbare Übersetzungen',
+      keywords: 'Schlagwörter',
+      publishers: 'Verleger',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      ... SCThingThatCanBeOfferedMeta.getInstance().fieldTranslations.en,
+      authors: 'authors',
+      datePublished: 'release date',
+      inLanguages: 'available Languages',
+      keywords: 'keywords',
+      publishers: 'publishers',
     },
   };
 
@@ -104,10 +117,12 @@ export class SCCreativeWorkMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ... SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.en,
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ... SCThingThatCanBeOfferedMeta.getInstance().fieldValueTranslations.en,
     },
   };
 }

src/core/base/Event.ts

@@ -82,10 +82,24 @@ export class SCEventMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      academicTerms: 'Semester',
+      catalogs: 'Verzeichnis',
+      creativeWorks: 'begleitende Werke',
+      maximumParticipants: 'maximale Anzahl an Teilnehmern',
+      organizers: 'Origanisatoren',
+      performers: 'Vortragende',
+      remainingAttendeeCapacity: 'verfügbare Anzahl an Teilnehmern',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      academicTerms: 'academic terms',
+      catalogs: 'catalogs',
+      creativeWorks: 'related material',
+      maximumParticipants: 'maximum participants',
+      organizers: 'organizers',
+      performers: 'performers',
+      remainingAttendeeCapacity: 'remaining attendee capacity',
     },
   };
 
@@ -94,10 +108,10 @@ export class SCEventMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
     },
   };
 }

src/core/base/Place.ts

@@ -76,10 +76,16 @@ export class SCPlaceWithoutReferencesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      address: 'Adresse',
+      geo: 'Geoinformation',
+      openingHours: 'Öffnungszeiten',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      address: 'address',
+      geo: 'geographic information',
+      openingHours: 'opening hours',
     },
   };
 
@@ -88,10 +94,10 @@ export class SCPlaceWithoutReferencesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
     },
   };
 }

src/core/base/ThingInPlace.ts

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

src/core/base/ThingThatAcceptsPayments.ts

@@ -19,9 +19,9 @@ import {SCMetaTranslations} from '../types/i18n';
  * Types of payment that are accepted at a place.
  */
 export type SCThingThatAcceptsPaymentsAcceptedPayments =
-  'Cash'
+  'cash'
-  | 'Credit'
+  | 'credit'
-  | 'Cafeteria Card';
+  | 'cafeteria card';
 
 /**
  * A thing without references that accepts payments
@@ -52,10 +52,12 @@ export class SCThingThatAcceptsPaymentsWithoutReferencesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      paymentsAccepted: 'Bezahlmethoden',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      paymentsAccepted: 'accepted payment methods',
     },
   };
 
@@ -64,10 +66,15 @@ export class SCThingThatAcceptsPaymentsWithoutReferencesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      paymentsAccepted: {
+        'cafeteria card': 'Mensakarte',
+        'cash': 'Bar',
+        'credit': 'Kreditkarte',
+      },
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
     },
   };
 }

src/core/base/ThingThatCanBeOffered.ts

@@ -12,10 +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 {SCThing, SCThingTranslatableProperties, SCThingWithoutReferences} from '../Thing';
+import {SCThing, SCThingMeta, SCThingTranslatableProperties, SCThingWithoutReferences} from '../Thing';
 import {SCOrganizationWithoutReferences} from '../things/Organization';
 import {SCPersonWithoutReferences} from '../things/Person';
-import {SCTranslations} from '../types/i18n';
+import {SCMetaTranslations, SCTranslations} from '../types/i18n';
 import {SCInPlace} from '../types/Places';
 import {SCISO8601Date} from '../types/Time';
 
@@ -134,3 +134,47 @@ export type SCThingThatCanBeOfferedAvailability =
   | 'out of stock'
   | 'online only'
   | 'limited availability';
+
+/**
+ * Meta information about a thing without references that accepts payments
+ */
+export class SCThingThatCanBeOfferedMeta<T extends SCPriceGroup> implements
+             SCMetaTranslations<SCThingThatCanBeOffered<T>> {
+
+  protected static _instance: any;
+
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ... SCThingMeta.getInstance().fieldTranslations.de,
+      offers: 'Angebote',
+    },
+    en: {
+      ... SCThingMeta.getInstance().fieldTranslations.en,
+      offers: 'offers',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations  = {
+    de: {
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+    },
+    en: {
+      ... SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+    },
+  };
+
+  /**
+   * Function to retrieve typed singleton instance (including generics)
+   */
+  public static getInstance<T extends SCPriceGroup>(): SCThingThatCanBeOfferedMeta<T> {
+    return this._instance || (this._instance = new this<T>());
+  }
+
+  protected constructor() {}
+}

src/core/base/ThingWithCategories.ts

@@ -102,17 +102,21 @@ export interface SCThingWithCategoriesSpecificValues {
 export class SCThingWithCategoriesWithoutReferencesMeta<T, U>
   implements SCMetaTranslations<SCThingWithCategoriesWithoutReferences<T, U>> {
 
-  protected static _instance: SCThingMeta;
+  protected static _instance: any;
 
   /**
    * Translations of fields
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      categories: 'Kategorien',
+      categorySpecificValues: 'besondere Kategorien',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      categories: 'categories',
+      categorySpecificValues: 'category with specific values',
     },
   };
 
@@ -121,10 +125,10 @@ export class SCThingWithCategoriesWithoutReferencesMeta<T, U>
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
     },
   };
 

src/core/things/AcademicEvent.ts

@@ -77,6 +77,7 @@ export type SCAcademicEventCategories =
   | 'seminar'
   | 'integrated course'
   | 'written exam'
+  | 'oral exam'
   | 'tutorial'
   | 'project'
   | 'colloquium'
@@ -114,14 +115,22 @@ export class SCAcademicEventMeta
    */
   fieldTranslations = {
     de: {
-      ...SCEventMeta.getInstance().fieldTranslations.de,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+        SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.de,
+      majors: 'Hauptfächer',
+      originalCategory: 'ursprüngliche Kategorie',
     },
     en: {
-      ...SCEventMeta.getInstance().fieldTranslations.en,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+        SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.en,
+      majors: 'majors',
+      originalCategory: 'original category',
     },
   };
 
@@ -130,15 +139,35 @@ export class SCAcademicEventMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCEventMeta.getInstance().fieldValueTranslations.de,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.de,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+        SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.de,
+      categories: {
+        'colloquium': 'Kolloquium',
+        'course': 'Kurs',
+        'excursion': 'Exkursion',
+        'integrated course': '',
+        'introductory class': 'Einführungsveranstaltung',
+        'lecture': 'Vorlesung',
+        'oral exam': 'mündliche Prüfung',
+        'practicum': 'Praktikum',
+        'practicum introduction': 'Einführungspraktikum',
+        'project': 'Projekt',
+        'seminar': 'Seminar',
+        'special': 'Sonderveranstalltung',
+        'tutorial': 'Tutorium',
+        'written exam': 'Schriftilche Prüfung',
+      },
       type: 'akademische Veranstaltung',
     },
     en: {
-      ...SCEventMeta.getInstance().fieldValueTranslations.en,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.en,
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCAcademicEventCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+        SCAcademicEventCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.en,
       type: SCThingType.AcademicEvent,
     },
   };

src/core/things/Article.ts

@@ -95,14 +95,22 @@ export class SCArticleMeta
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        .de,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCArticleCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.de,
+      articleBody: 'Artikelinhalt',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        .en,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCArticleCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.en,
+      articleBody: 'article body',
     },
   };
 
@@ -111,15 +119,24 @@ export class SCArticleMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        .fieldValueTranslations.de,
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCArticleCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.de,
+      categories: {
+        'unipedia': 'Unipedia',
+      },
       type: 'Artikel',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCArticleCategories,
+        .fieldValueTranslations.en,
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCArticleCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.en,
       type: SCThingType.Article,
     },
   };

src/core/things/Book.ts

@@ -97,10 +97,18 @@ export class SCBookMeta extends SCThingMeta implements SCMetaTranslations<SCBook
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .de,
+      bookEdition: 'Buchausgabe',
+      isbn: 'ISBN',
+      numberOfPages: 'Seitenzahl',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .en,
+      bookEdition: 'book edition',
+      isbn: 'ISBN',
+      numberOfPages: 'number of pages',
     },
   };
 
@@ -109,11 +117,13 @@ export class SCBookMeta extends SCThingMeta implements SCMetaTranslations<SCBook
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.de,
       type: 'Buch',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.en,
       type: SCThingType.Book,
     },
   };

src/core/things/Building.ts

@@ -97,15 +97,24 @@ export class SCBuildingMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+        SCBuildingCategories,
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldTranslations.de,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldTranslations.de,
       floors: 'Etagen',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+        SCBuildingCategories,
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldTranslations.en,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldTranslations.en,
+      floors: 'floors',
     },
   };
 
@@ -114,9 +123,13 @@ export class SCBuildingMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+        SCBuildingCategories,
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldValueTranslations.de,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldValueTranslations.de,
       categories: {
         'cafe': 'Café',
         'canteen': 'Kantine',
@@ -130,9 +143,13 @@ export class SCBuildingMeta
       type: 'Gebäude',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCBuildingCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+        SCBuildingCategories,
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldValueTranslations.en,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldValueTranslations.en,
       type: SCThingType.Building,
     },
   };

src/core/things/Catalog.ts

@@ -85,12 +85,24 @@ export class SCCatalogMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+        SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.de,
+      academicTerm: 'Semester',
+      level: 'Ebene',
+      superCatalog: 'übergeordnetes Verzeichniss',
+      superCatalogs: 'übergeordnete Verzeichnisse',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+        SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.en,
+      academicTerm: 'academic term',
+      level: 'level',
+      superCatalog: 'parent catalog',
+      superCatalogs: 'parent catalogs',
     },
   };
 
@@ -99,13 +111,20 @@ export class SCCatalogMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+        SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.de,
+      categories: {
+        'university events': 'Universitätsveranstaltung',
+      },
       type: 'Verzeichnis',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCCatalogCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+        SCCatalogCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.en,
       type: SCThingType.Catalog,
     },
   };

src/core/things/CourseOfStudies.ts

@@ -16,6 +16,7 @@ import {SCAcademicDegree, SCAcademicDegreeMeta, SCAcademicDegreeWithoutReference
 import {
   SCAcademicPriceGroup,
   SCThingThatCanBeOffered,
+  SCThingThatCanBeOfferedMeta,
   SCThingThatCanBeOfferedTranslatableProperties,
   SCThingThatCanBeOfferedWithoutReferences,
 } from '../base/ThingThatCanBeOffered';
@@ -114,10 +115,30 @@ export class SCCourseOfStudiesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCAcademicDegreeMeta.getInstance().fieldTranslations.de,
+      ...SCAcademicDegreeMeta.getInstance<SCAcademicDegreeMeta>()
+        .fieldTranslations.de,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldTranslations.de,
+      department: 'Fachbereich',
+      mainLanguage: 'Unterrichtssprache',
+      major: 'Studienfach',
+      mode: 'Studiengangsart',
+      secretary: 'Sekretariat',
+      startDates: 'Startdatum',
+      timeMode: 'Zeitmodell',
     },
     en: {
-      ...SCAcademicDegreeMeta.getInstance().fieldTranslations.en,
+      ...SCAcademicDegreeMeta.getInstance<SCAcademicDegreeMeta>()
+        .fieldTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldTranslations.de,
+      department: 'department',
+      mainLanguage: 'main language',
+      major: 'major',
+      mode: 'mode',
+      secretary: 'secretary',
+      startDates: 'start dates',
+      timeMode: 'time mode',
     },
   };
 
@@ -129,7 +150,11 @@ export class SCCourseOfStudiesMeta
       ...SCAcademicDegreeMeta.getInstance().fieldValueTranslations.de,
       modes: {
         combination: 'Kombinationsstudiengang',
-        dual: 'Dualer Studiengang',
+        'double-degree': 'Doppelstudium',
+        dual: 'duales Studium',
+        standard: 'Studium',
+      },
+      timeMode: {
         fulltime: 'Vollzeitstudiengang',
         parttime: 'Teilzeitstudiengang',
       },
@@ -137,11 +162,16 @@ export class SCCourseOfStudiesMeta
     },
     en: {
       ...SCAcademicDegreeMeta.getInstance().fieldValueTranslations.en,
-      academicDegree: 'Hochschulabschluss',
+      modes: {
-      department: 'Fachbereich',
+        combination: 'combination course of studies',
-      major: 'Studienfach',
+        'double-degree': 'double degree course of studies',
-      modes: 'Studiengangsarten',
+        dual: 'dual course of studies',
-      secretary: 'Sekretariat',
+        standard: 'course of studies',
+      },
+      timeMode: {
+        fulltime: 'full-time',
+        parttime: 'part-time',
+      },
       type: SCThingType.CourseOfStudies,
     },
   };

src/core/things/DateSeries.ts

@@ -22,6 +22,7 @@ import {
 import {SCThingMeta, SCThingType} from '../Thing';
 import {SCMetaTranslations, SCTranslations} from '../types/i18n';
 import {SCISO8601Date, SCISO8601Duration} from '../types/Time';
+import {SCThingThatCanBeOfferedMeta} from './../base/ThingThatCanBeOffered';
 import {SCAcademicEventWithoutReferences} from './AcademicEvent';
 import {SCPersonWithoutReferences} from './Person';
 import {SCSportCourseWithoutReferences} from './SportCourse';
@@ -115,10 +116,28 @@ export class SCDateSeriesMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .de,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
+        .fieldTranslations.de,
+      dates: 'Einzeltermine',
+      duration: 'Dauer',
+      event: 'Event',
+      exceptions: 'Ausnahmen',
+      frequency: 'Frequenz',
+      performers: 'Vortragende',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .en,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
+        .fieldTranslations.en,
+      dates: 'dates',
+      duration: 'duration',
+      event: 'event',
+      exceptions: 'exceptions',
+      frequency: 'frequency',
+      performers: 'performers',
     },
   };
 
@@ -127,14 +146,17 @@ export class SCDateSeriesMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
-      dates: 'Einzeltermine',
+        .fieldValueTranslations.de,
-      duration: 'Dauer',
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
-      frequency: 'Wiederholung',
+        .fieldValueTranslations.de,
-      type: 'Wiederholungreihe',
+      type: 'Terminserie',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+        .fieldValueTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCSportCoursePriceGroup>()
+        .fieldValueTranslations.en,
       type: SCThingType.DateSeries,
     },
   };

src/core/things/Diff.ts

@@ -73,13 +73,18 @@ export class SCDiffMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
       action: 'Aktion',
       changes: 'Änderungen',
       dateCreated: 'Erstellungsdatum',
+      object: 'Objekt',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      action: 'action',
+      changes: 'changes',
+      dateCreated: 'date created',
+      object: 'object',
     },
   };
 
@@ -89,6 +94,10 @@ export class SCDiffMeta
   fieldValueTranslations = {
     de: {
       ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      action: {
+        'changed': 'geändert',
+        'removed': 'gelöscht',
+      },
       type: 'Unterschied',
     },
     en: {

src/core/things/Dish.ts

@@ -27,6 +27,7 @@ import {
 } from '../base/ThingWithCategories';
 import {SCThingMeta, SCThingType} from '../Thing';
 import {SCMetaTranslations, SCTranslations} from '../types/i18n';
+import {SCThingThatCanBeOfferedMeta} from './../base/ThingThatCanBeOffered';
 
 /**
  * A dish without references
@@ -176,12 +177,28 @@ export class SCDishMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+        SCDishCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.de,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldTranslations.de,
+      additives: 'Zusatzstoffe',
+      characteristics: 'Merkmale',
+      dishAddOns: 'Beilagen',
+      nutrition: 'Nährwertangaben',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+        SCDishCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldTranslations.en,
+      additives: 'additives',
+      characteristics: 'characteristics',
+      dishAddOns: 'side dishes',
+      nutrition: 'nutrition information',
     },
   };
 
@@ -190,8 +207,12 @@ export class SCDishMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+        SCDishCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.de,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldValueTranslations.de,
       categories: {
         appetizer: 'Vorspeise',
         dessert: 'Nachtisch',
@@ -203,8 +224,12 @@ export class SCDishMeta
       type: 'Essen',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCDishCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+        SCDishCategories,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldValueTranslations.en,
       type: SCThingType.Dish,
     },
   };

src/core/things/Floor.ts

@@ -107,10 +107,16 @@ export class SCFloorMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .de,
+      floorName: 'Etagenbezeichnung',
+      plan: 'Grundriss',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .en,
+      floorName: 'floor name',
+      plan: 'plan',
     },
   };
 
@@ -119,11 +125,13 @@ export class SCFloorMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+        .fieldValueTranslations.de,
       type: 'Etage',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+        .fieldValueTranslations.en,
       type: SCThingType.Floor,
     },
   };

src/core/things/Message.ts

@@ -102,10 +102,18 @@ export class SCMessageMeta
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .de,
+      audiences: 'Zielgruppen',
+      dateCreated: 'Erstellungsdatum',
+      messageBody: 'Nachrichteninhalt',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .en,
+      audiences: 'audiences',
+      dateCreated: 'date created',
+      messageBody: 'message body',
     },
   };
 
@@ -114,11 +122,18 @@ export class SCMessageMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.de,
+      audiences: {
+        'employees': 'Angestellte',
+        'guests': 'Gäste',
+        'students': 'Studenten',
+      },
       type: 'Nachricht',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.en,
       type: SCThingType.Message,
     },
   };

src/core/things/Organization.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 {SCThingInPlace} from '../base/ThingInPlace';
+import {SCThingInPlace, SCThingInPlaceMeta} from '../base/ThingInPlace';
 import {SCThingMeta, SCThingType, SCThingWithoutReferences} from '../Thing';
+import {SCMetaTranslations} from '../types/i18n';
 
 /**
  * An organization without references
@@ -42,5 +43,31 @@ export interface SCOrganization
 /**
  * Meta information about an organization
  */
-export class SCOrganizationMeta extends SCThingMeta {
+export class SCOrganizationMeta
+  extends SCThingMeta implements SCMetaTranslations<SCOrganization> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations.de,
+    },
+    en: {
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations.en,
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldValueTranslations.de,
+      type: 'Einrichtung',
+    },
+    en: {
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldValueTranslations.en,
+      type: SCThingType.Organization,
+    },
+  };
 }

src/core/things/Person.ts

@@ -139,10 +139,40 @@ export class SCPersonMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      additionalName: 'Zusatzname',
+      affiliations: 'Zugehörigkeiten',
+      birthDate: 'Geburtsdatum',
+      email: 'E-Mail',
+      familyName: 'Nachname',
+      faxNumber: 'Faxnummer',
+      gender: 'Geschlecht',
+      givenName: 'Vorname',
+      homeLocations: 'Heimatstandorte',
+      honorificPrefix: 'Ehrentitel',
+      honorificSuffix: 'Ehrentitel (Suffix)',
+      jobTitles: 'Berufsbezeichnungen',
+      nationality: 'Staatsangehörigkeit',
+      telephone: 'Telefonnummer',
+      workLocations: 'Arbeitsorte',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      additionalName: 'additional name',
+      affiliations: 'affiliations',
+      birthDate: 'birth date',
+      email: 'email',
+      familyName: 'family name',
+      faxNumber: 'fax',
+      gender: 'gender',
+      givenName: 'given name',
+      homeLocations: 'home locations',
+      honorificPrefix: 'honorific title',
+      honorificSuffix: 'honorific title (suffix)',
+      jobTitles: 'job titles',
+      nationality: 'nationality',
+      telephone: 'telephone',
+      workLocations: 'work locations',
     },
   };
 
@@ -151,11 +181,17 @@ export class SCPersonMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      gender: {
+        'female': 'weiblich',
+        'inter': 'divers',
+        'male': 'männlich',
+        'undefined': 'undefiniert',
+      },
       type: 'Person',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
       type: SCThingType.Person,
     },
   };

src/core/things/PointOfInterest.ts

@@ -13,7 +13,7 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 import {SCPlace, SCPlaceWithoutReferences, SCPlaceWithoutReferencesMeta} from '../base/Place';
-import {SCThingInPlace} from '../base/ThingInPlace';
+import {SCThingInPlace, SCThingInPlaceMeta} from '../base/ThingInPlace';
 import {
   SCThingWithCategories,
   SCThingWithCategoriesSpecificValues,
@@ -81,16 +81,26 @@ export class SCPointOfInterestMeta
    */
   fieldTranslations = {
     de: {
-      // tslint:disable-next-line:max-line-length
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+        SCPointOfInterestCategories,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+        SCThingWithCategoriesSpecificValues
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldTranslations.de,
+      >().fieldTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .de,
     },
     en: {
-      // tslint:disable-next-line:max-line-length
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+        SCPointOfInterestCategories,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+        SCThingWithCategoriesSpecificValues
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldTranslations.en,
+      >().fieldTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .en,
     },
   };
 
@@ -99,15 +109,30 @@ export class SCPointOfInterestMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+        SCPointOfInterestCategories,
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldValueTranslations.de,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldValueTranslations.de,
+      categories: {
+        'card charger': 'Kartenaufwerter',
+        'computer': 'Computer',
+        'disabled access': 'barrierefreier Zugang',
+        'printer': 'Drucker',
+        'validator': 'Validierer',
+      },
       type: 'Sonderziel',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCPointOfInterestCategories,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+        SCPointOfInterestCategories,
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldValueTranslations.en,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
+        SCPlaceWithoutReferencesMeta
+      >().fieldValueTranslations.en,
       type: SCThingType.PointOfInterest,
     },
   };

src/core/things/Room.ts

@@ -121,18 +121,36 @@ export class SCRoomMeta
    */
   fieldTranslations = {
     de: {
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance().fieldTranslations.de,
+        SCPlaceWithoutReferencesMeta
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      >().fieldTranslations.de,
-        SCRoomSpecificValues>().fieldTranslations.de,
+      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.de,
+        SCThingThatAcceptsPaymentsWithoutReferencesMeta
+      >().fieldTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCRoomCategories,
+        SCRoomSpecificValues
+      >().fieldTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .de,
+      floorName: 'Etagenbezeichnung',
+      inventory: 'Bestand',
     },
     en: {
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance().fieldTranslations.en,
+        SCPlaceWithoutReferencesMeta
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      >().fieldTranslations.en,
-        SCRoomSpecificValues>().fieldTranslations.en,
+      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.en,
+        SCThingThatAcceptsPaymentsWithoutReferencesMeta
+      >().fieldTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCRoomCategories,
+        SCRoomSpecificValues
+      >().fieldTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .en,
+      floorName: 'floor name',
+      inventory: 'inventory',
     },
   };
 
@@ -141,11 +159,18 @@ export class SCRoomMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldValueTranslations.de,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance().fieldValueTranslations.de,
+        SCPlaceWithoutReferencesMeta
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      >().fieldValueTranslations.de,
-        SCRoomSpecificValues>().fieldValueTranslations.de,
+      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.de,
+        SCThingThatAcceptsPaymentsWithoutReferencesMeta
+      >().fieldValueTranslations.de,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCRoomCategories,
+        SCRoomSpecificValues
+      >().fieldValueTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+        .fieldValueTranslations.de,
       categories: {
         'cafe': 'Café',
         'canteen': 'Kantine',
@@ -164,11 +189,18 @@ export class SCRoomMeta
       type: 'Raum',
     },
     en: {
-      ...SCPlaceWithoutReferencesMeta.getInstance().fieldValueTranslations.en,
+      ...SCPlaceWithoutReferencesMeta.getInstance<
-      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance().fieldValueTranslations.en,
+        SCPlaceWithoutReferencesMeta
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCRoomCategories,
+      >().fieldValueTranslations.en,
-        SCRoomSpecificValues>().fieldValueTranslations.en,
+      ...SCThingThatAcceptsPaymentsWithoutReferencesMeta.getInstance<
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.en,
+        SCThingThatAcceptsPaymentsWithoutReferencesMeta
+      >().fieldValueTranslations.en,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
+        SCRoomCategories,
+        SCRoomSpecificValues
+      >().fieldValueTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+        .fieldValueTranslations.en,
       type: SCThingType.Room,
     },
   };

src/core/things/Semester.ts

@@ -62,7 +62,9 @@ export class SCSemesterMeta
    */
   fieldTranslations = {
     de: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance().fieldTranslations.de,
+      ...SCAcademicTermWithoutReferencesMeta.getInstance<
+        SCAcademicTermWithoutReferencesMeta
+      >().fieldTranslations.de,
       acronym: 'Abkürzung',
       endDate: 'Ende',
       eventsEndDate: 'Vorlesungsschluss',
@@ -70,7 +72,14 @@ export class SCSemesterMeta
       startDate: 'Beginn',
     },
     en: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance().fieldTranslations.en,
+      ...SCAcademicTermWithoutReferencesMeta.getInstance<
+        SCAcademicTermWithoutReferencesMeta
+      >().fieldTranslations.en,
+      acronym: 'acronym',
+      endDate: 'end date',
+      eventsEndDate: 'semester ending',
+      eventsStartDate: 'semester beginning',
+      startDate: 'start date',
     },
   };
 
@@ -79,11 +88,15 @@ export class SCSemesterMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance().fieldValueTranslations.de,
+      ...SCAcademicTermWithoutReferencesMeta.getInstance<
+        SCAcademicTermWithoutReferencesMeta
+      >().fieldValueTranslations.de,
       type: 'Semester',
     },
     en: {
-      ...SCAcademicTermWithoutReferencesMeta.getInstance().fieldValueTranslations.en,
+      ...SCAcademicTermWithoutReferencesMeta.getInstance<
+        SCAcademicTermWithoutReferencesMeta
+      >().fieldValueTranslations.en,
       type: SCThingType.Semester,
     },
   };

src/core/things/Setting.ts

@@ -22,13 +22,15 @@ import {
 import {SCThing, SCThingMeta, SCThingType} from '../Thing';
 import {SCMetaTranslations, SCTranslations} from '../types/i18n';
 
-export type SCSettingCategories = string;
-
 /**
  * A setting without references
  */
 export interface SCSettingWithoutReferences
   extends SCThingWithCategoriesWithoutReferences<SCSettingCategories, SCThingWithCategoriesSpecificValues> {
+  /**
+   * Categories of a setting
+   */
+  categories: SCSettingCategories[];
   /**
    * The default value of a setting
    */
@@ -59,6 +61,15 @@ export interface SCSettingWithoutReferences
   values?: SCSettingValues;
 }
 
+/**
+ * A list of categories for settings
+ */
+export type SCSettingCategories =
+  'profile'
+  | 'privacy'
+  | 'credentials'
+  | 'others';
+
 /**
  * The types of input/value a setting object can carry
  */
@@ -117,20 +128,26 @@ export class SCSettingMeta extends SCThingMeta implements SCMetaTranslations<SCS
    */
   fieldTranslations = {
     de: {
-      // tslint:disable-next-line:max-line-length
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+        SCSettingCategories,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.de,
       defaultValue: 'Standard Wert',
       inputType: 'Eingabetyp',
+      order: 'Position',
       value: 'Wert',
       values: 'Werte',
     },
     en: {
-      // tslint:disable-next-line:max-line-length
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+        SCSettingCategories,
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.en,
       defaultValue: 'default value',
       inputType: 'input type',
+      order: 'position',
+      value: 'value',
+      values: 'values',
     },
   };
 
@@ -139,9 +156,16 @@ export class SCSettingMeta extends SCThingMeta implements SCMetaTranslations<SCS
    */
   fieldValueTranslations = {
     de: {
-      // tslint:disable-next-line:max-line-length
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+        SCSettingCategories,
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.de,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.de,
+      categories: {
+        credentials: 'Anmeldedaten',
+        others: 'Andere',
+        privacy: 'Privatsphäre',
+        profile: 'Profil',
+      },
       inputType: {
         'multiple choice': 'mehrfach Auswahl',
         number: 'Zahl',
@@ -152,9 +176,10 @@ export class SCSettingMeta extends SCThingMeta implements SCMetaTranslations<SCS
       type: 'Einstellung',
     },
     en: {
-      // tslint:disable-next-line:max-line-length
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<SCSettingCategories,
+        SCSettingCategories,
-        SCThingWithCategoriesSpecificValues>().fieldValueTranslations.en,
+        SCThingWithCategoriesSpecificValues
+      >().fieldValueTranslations.en,
       type: SCThingType.Setting,
     },
   };

src/core/things/SportCourse.ts

@@ -51,12 +51,10 @@ export class SCSportCourseMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.de,
-      ...SCEventMeta.getInstance().fieldTranslations.de,
     },
     en: {
-      ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldTranslations.en,
-      ...SCEventMeta.getInstance().fieldTranslations.en,
     },
   };
 
@@ -65,13 +63,11 @@ export class SCSportCourseMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.de,
-      ...SCEventMeta.getInstance().fieldValueTranslations.de,
       type: 'Sportkurs',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCEventMeta.getInstance<SCEventMeta>().fieldValueTranslations.en,
-      ...SCEventMeta.getInstance().fieldValueTranslations.en,
       type: SCThingType.SportCourse,
     },
   };

src/core/things/StudyModule.ts

@@ -21,6 +21,7 @@ import {
 import {SCThingMeta, SCThingType} from '../Thing';
 import {SCLanguage, SCMetaTranslations, SCTranslations} from '../types/i18n';
 import {SCMap} from '../types/Map';
+import {SCThingThatCanBeOfferedMeta} from './../base/ThingThatCanBeOffered';
 import {SCAcademicEventWithoutReferences} from './AcademicEvent';
 import {SCOrganizationWithoutReferences} from './Organization';
 import {SCPersonWithoutReferences} from './Person';
@@ -142,6 +143,8 @@ export class SCStudyModuleMeta
   fieldTranslations = {
     de: {
       ...SCThingMeta.getInstance().fieldTranslations.de,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldTranslations.de,
       academicEvents: 'Veranstaltungen',
       ects: 'ECTS-Punkte',
       faculty: 'Fachbereich',
@@ -154,6 +157,8 @@ export class SCStudyModuleMeta
     },
     en: {
       ...SCThingMeta.getInstance().fieldTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldTranslations.en,
       academicEvents: 'academic events',
       ects: 'ECTS points',
       faculty: 'faculty',
@@ -171,7 +176,9 @@ export class SCStudyModuleMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldValueTranslations.de,
       necessity: {
         'elective': 'Wahlfach',
         'optional': 'optional',
@@ -180,7 +187,9 @@ export class SCStudyModuleMeta
       type: 'Studiengangmodul',
     },
     en: {
-      ...SCThingMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      ...SCThingThatCanBeOfferedMeta.getInstance<SCAcademicPriceGroup>()
+        .fieldValueTranslations.en,
       type: SCThingType.StudyModule,
     },
   };

src/core/things/Ticket.ts

@@ -67,10 +67,18 @@ export class SCTicketMeta
    */
   fieldTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .de,
+      approxWaitingTime: 'ungefähre Wartezeit',
+      currentTicketNumber: 'aktuelle Ticketnummer',
+      serviceType: 'Service Kategorie',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance().fieldTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>().fieldTranslations
+        .en,
+      approxWaitingTime: 'approximate waiting time',
+      currentTicketNumber: 'current ticket number',
+      serviceType: 'type of service',
     },
   };
 
@@ -79,11 +87,13 @@ export class SCTicketMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.de,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+        .fieldValueTranslations.de,
       type: 'Ticket',
     },
     en: {
-      ...SCThingInPlaceMeta.getInstance().fieldValueTranslations.en,
+      ...SCThingInPlaceMeta.getInstance<SCThingInPlaceMeta>()
+        .fieldValueTranslations.en,
       type: SCThingType.Ticket,
     },
   };

src/core/things/ToDo.ts

@@ -85,12 +85,22 @@ export class SCToDoMeta extends SCThingMeta implements SCMetaTranslations<SCToDo
    */
   fieldTranslations = {
     de: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<string,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.de,
+        string,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.de,
+      done: 'Erledigt',
+      dueDate: 'Fälligkeitsdatum',
+      priority: 'Priorität',
     },
     en: {
-      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<string,
+      ...SCThingWithCategoriesWithoutReferencesMeta.getInstance<
-        SCThingWithCategoriesSpecificValues>().fieldTranslations.en,
+        string,
+        SCThingWithCategoriesSpecificValues
+      >().fieldTranslations.en,
+      done: 'done',
+      dueDate: 'due date',
+      priority: 'priority',
     },
   };
 

src/core/things/Tour.ts

@@ -55,6 +55,35 @@ export interface SCTour
 export class SCTourMeta
   extends SCThingMeta
   implements SCMetaTranslations<SCTour> {
+  /**
+   * Translations of fields
+   */
+  fieldTranslations = {
+    de: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.de,
+      init: 'Initiales Skript',
+      steps: 'Schritte',
+    },
+    en: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldTranslations.en,
+      init: 'initial script',
+      steps: 'steps',
+    },
+  };
+
+  /**
+   * Translations of values of fields
+   */
+  fieldValueTranslations = {
+    de: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.de,
+      type: 'Tour',
+    },
+    en: {
+      ...SCThingMeta.getInstance<SCThingMeta>().fieldValueTranslations.en,
+      type: SCThingType.Tour,
+    },
+  };
 }
 
 /**

src/core/things/Video.ts

@@ -127,10 +127,24 @@ export class SCVideoMeta
    */
   fieldTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .de,
+      actors: 'Darsteller',
+      duration: 'Dauer',
+      sources: 'Quellen',
+      thumbnails: 'Vorschaubilder',
+      tracks: 'Spuren',
+      transcript: 'Transkript',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>().fieldTranslations
+        .en,
+      actors: 'actors',
+      duration: 'duration',
+      sources: 'sources',
+      thumbnails: 'thumbnails',
+      tracks: 'tracks',
+      transcript: 'transcript',
     },
   };
 
@@ -139,11 +153,13 @@ export class SCVideoMeta
    */
   fieldValueTranslations = {
     de: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.de,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.de,
       type: 'Video',
     },
     en: {
-      ...SCCreativeWorkMeta.getInstance().fieldValueTranslations.en,
+      ...SCCreativeWorkMeta.getInstance<SCCreativeWorkMeta>()
+        .fieldValueTranslations.en,
       type: SCThingType.Video,
     },
   };
@@ -163,7 +179,7 @@ export type SCVideoMimeType =
  * Video Track Types
  */
 export type SCVideoTrackTypes =
-  'captions'
+  'closed captions'
   | 'chapters'
   | 'description'
   | 'metadata'

src/core/types/i18n.ts

@@ -690,7 +690,7 @@ export interface SCTranslations<T> {
  * (Source: https://stackoverflow.com/a/51365037)
  */
 type RecursivePartial<T> = {
-  [P in keyof T]?:
+  [P in keyof T]-?:
     T[P] extends Array<infer U> ? Array<RecursivePartial<U>> :
     T[P] extends object ? RecursivePartial<T[P]> :
     T[P];