fix: resolve issues with things that can be offered

Fixes #41

src/core/things/CourseOfStudies.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2018, 2019 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -13,9 +13,12 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 import {SCAcademicDegree, SCAcademicDegreeMeta} from '../base/AcademicDegree';
-import {SCAcademicPriceGroup,
-        SCThingThatCanBeOffered,
-        SCThingThatCanBeOfferedTranslatableProperties} from '../base/ThingThatCanBeOffered';
+import {
+  SCAcademicPriceGroup,
+  SCThingThatCanBeOffered,
+  SCThingThatCanBeOfferedTranslatableProperties,
+  SCThingThatCanBeOfferedWithoutReferences,
+} from '../base/ThingThatCanBeOffered';
 import {SCThingMeta, SCThingType} from '../Thing';
 import {SCLanguage, SCMetaTranslations, SCTranslations} from '../types/i18n';
 import {SCDateSeriesWithoutReferences} from './DateSeries';
@@ -24,9 +27,8 @@ import {SCOrganization} from './Organization';
 /**
  * A course of studies without references
  */
-export interface SCCourseOfStudiesWithoutReferences extends
-                 SCAcademicDegree,
-                 SCThingThatCanBeOffered<SCAcademicPriceGroup> {
+export interface SCCourseOfStudiesWithoutReferences extends SCAcademicDegree,
+  SCThingThatCanBeOfferedWithoutReferences {
   /**
    * The main language in which the course of studies
    * is beeing offered
@@ -64,14 +66,15 @@ export interface SCCourseOfStudiesWithoutReferences extends
  *
  * @validatable
  */
-export interface SCCourseOfStudies extends SCCourseOfStudiesWithoutReferences {
+export interface SCCourseOfStudies extends SCCourseOfStudiesWithoutReferences,
+  SCThingThatCanBeOffered<SCAcademicPriceGroup> {
   /**
    * The department that manages the course of studies
    */
   department: SCOrganization;
 
   /**
-   * The secretary that administers requests and 
+   * The secretary that administers requests and
    * questions concerning the course of studies
    */
   secretary: SCOrganization;
@@ -81,6 +84,11 @@ export interface SCCourseOfStudies extends SCCourseOfStudiesWithoutReferences {
    */
   startDates?: SCDateSeriesWithoutReferences[];
 
+  /**
+   * Translated fields of a dish
+   */
+  translations?: SCTranslations<SCCourseOfStudiesTranslatableProperties>;
+
   /**
    * Type of the course of studies
    */
@@ -88,7 +96,7 @@ export interface SCCourseOfStudies extends SCCourseOfStudiesWithoutReferences {
 }
 
 export interface SCCourseOfStudiesTranslatableProperties
-       extends SCThingThatCanBeOfferedTranslatableProperties {
+  extends SCThingThatCanBeOfferedTranslatableProperties {
 }
 
 /**
@@ -100,19 +108,19 @@ export class SCCourseOfStudiesMeta extends SCThingMeta implements SCMetaTranslat
    */
   fieldTranslations = {
     de: {
-      ... SCAcademicDegreeMeta.getInstance().fieldTranslations.de,
+      ...SCAcademicDegreeMeta.getInstance().fieldTranslations.de,
     },
     en: {
-      ... SCAcademicDegreeMeta.getInstance().fieldTranslations.en,
+      ...SCAcademicDegreeMeta.getInstance().fieldTranslations.en,
     },
   };
 
   /**
    * Translations of values of fields
    */
-  fieldValueTranslations  = {
+  fieldValueTranslations = {
     de: {
-      ... SCAcademicDegreeMeta.getInstance().fieldValueTranslations.de,
+      ...SCAcademicDegreeMeta.getInstance().fieldValueTranslations.de,
       modes: {
         combination: 'Kombinationsstudiengang',
         dual: 'Dualer Studiengang',
@@ -122,7 +130,7 @@ export class SCCourseOfStudiesMeta extends SCThingMeta implements SCMetaTranslat
       type: 'Studiengang',
     },
     en: {
-      ... SCAcademicDegreeMeta.getInstance().fieldValueTranslations.en,
+      ...SCAcademicDegreeMeta.getInstance().fieldValueTranslations.en,
       academicDegree: 'Hochschulabschluss',
       department: 'Fachbereich',
       major: 'Studienfach',
@@ -136,13 +144,13 @@ export class SCCourseOfStudiesMeta extends SCThingMeta implements SCMetaTranslat
 /**
  * Types of (german) course of studies modes
  */
-export type SCCourseOfStudiesMode = 'combination' |
-                                    'dual' |
-                                    'double-degree' |
-                                    'standard' ;
+export type SCCourseOfStudiesMode = 'combination'
+  | 'dual'
+  | 'double-degree'
+  | 'standard' ;
 
 /**
  * Types of (german) course of studies time modes
  */
-export type SCCourseOfStudiesTimeMode = 'fulltime' |
-                                        'parttime' ;
+export type SCCourseOfStudiesTimeMode = 'fulltime'
+  | 'parttime' ;