refactor: use integer primary keys

Closes #1292

Signed-off-by: David Mehren <git@herrmehren.de>

src/realtime/realtime-note/realtime-note-store.service.ts

@@ -10,7 +10,7 @@ import { RealtimeNote } from './realtime-note';
 
 @Injectable()
 export class RealtimeNoteStore {
-  private noteIdToRealtimeNote = new Map<string, RealtimeNote>();
+  private noteIdToRealtimeNote = new Map<number, RealtimeNote>();
 
   /**
    * Creates a new {@link RealtimeNote} for the given {@link Note} and memorizes it.
@@ -37,7 +37,7 @@ export class RealtimeNoteStore {
    * @param noteId The id of the {@link Note}
    * @return A {@link RealtimeNote} or {@code undefined} if no instance is existing.
    */
-  public find(noteId: string): RealtimeNote | undefined {
+  public find(noteId: number): RealtimeNote | undefined {
     return this.noteIdToRealtimeNote.get(noteId);
   }
 

src/realtime/realtime-note/realtime-note-store.spec.ts

@@ -19,7 +19,7 @@ describe('RealtimeNoteStore', () => {
   let mockedRealtimeNote: RealtimeNote;
   let realtimeNoteConstructorSpy: jest.SpyInstance;
   const mockedContent = 'mockedContent';
-  const mockedNoteId = 'mockedNoteId';
+  const mockedNoteId = 4711;
 
   beforeEach(async () => {
     jest.resetAllMocks();

src/realtime/realtime-note/realtime-note.service.spec.ts

@@ -22,7 +22,7 @@ import { WebsocketDoc } from './websocket-doc';
 
 describe('RealtimeNoteService', () => {
   const mockedContent = 'mockedContent';
-  const mockedNoteId = 'mockedNoteId';
+  const mockedNoteId = 4711;
   let websocketDoc: WebsocketDoc;
   let mockedNote: Note;
   let mockedRealtimeNote: RealtimeNote;

src/realtime/realtime-note/realtime-note.spec.ts

@@ -32,7 +32,7 @@ describe('realtime note', () => {
       .spyOn(websocketAwarenessModule, 'WebsocketAwareness')
       .mockImplementation(() => mockedAwareness);
 
-    mockedNote = Mock.of<Note>({ id: 'mock-note' });
+    mockedNote = Mock.of<Note>({ id: 4711 });
   });
 
   afterAll(() => {

src/realtime/websocket/websocket.gateway.spec.ts

@@ -186,7 +186,7 @@ describe('Websocket gateway', () => {
         }
       });
 
-    const mockedNote = Mock.of<Note>({ id: 'mocknote' });
+    const mockedNote = Mock.of<Note>({ id: 4711 });
     jest
       .spyOn(notesService, 'getNoteByIdOrAlias')
       .mockImplementation((noteId: string) =>