sse für live collab eingebaut

listify-api/src/lists/lists.controller.ts

@@ -7,22 +7,27 @@ import {
   Patch,
   Post,
   Req,
+  Sse,
   UnauthorizedException,
   UseGuards,
 } from '@nestjs/common';
+import { Observable } from 'rxjs';
 import { JwtAuthGuard } from '../auth/jwt-auth.guard';
 import { AuthService } from '../auth/auth.service';
 import { CreateListDto } from './dto/create-list.dto';
 import { AddListItemDto, UpdateListItemDto } from './dto/list-item.dto';
 import { UpdateListDto } from './dto/update-list.dto';
+import { ListRealtimeService } from './list-realtime.service';
 import { ListsService } from './lists.service';
 import type { AuthenticatedRequest } from '../auth/auth.types';
+import type { MessageEvent } from '@nestjs/common';
 
 @Controller('lists')
 @UseGuards(JwtAuthGuard)
 export class ListsController {
   constructor(
     private readonly authService: AuthService,
+    private readonly listRealtimeService: ListRealtimeService,
     private readonly listsService: ListsService,
   ) {}
 
@@ -39,6 +44,11 @@ export class ListsController {
     return this.listsService.listLists(this.requireUserId(request));
   }
 
+  @Sse('events')
+  listEvents(@Req() request: AuthenticatedRequest): Observable<MessageEvent> {
+    return this.listRealtimeService.eventsFor(this.requireUserId(request));
+  }
+
   @Get(':listId')
   getList(
     @Req() request: AuthenticatedRequest,