sse für live collab eingebaut

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

@@ -18,6 +18,7 @@ import {
 import { CreateListFromTemplateDto } from '../list-templates/dto/create-list-from-template.dto';
 import { AddListItemDto, UpdateListItemDto } from './dto/list-item.dto';
 import { CreateListDto } from './dto/create-list.dto';
+import { ListRealtimeService } from './list-realtime.service';
 import { UpdateListDto } from './dto/update-list.dto';
 import { UserListEntity } from './user-list.entity';
 import { UserListItemEntity } from './user-list-item.entity';
@@ -31,6 +32,8 @@ export class ListsService {
     private readonly listItemsRepository: Repository<UserListItemEntity>,
     @Optional()
     private readonly auditLogService?: AuditLogService,
+    @Optional()
+    private readonly listRealtimeService?: ListRealtimeService,
   ) {}
 
   async createList(ownerId: string, createDto: CreateListDto): Promise<UserList> {
@@ -56,7 +59,10 @@ export class ListsService {
       },
     });
 
-    return this.toUserList(savedList);
+    const userList = this.toUserList(savedList);
+    this.listRealtimeService?.publishSnapshot(ownerId, userList);
+
+    return userList;
   }
 
   async createListFromTemplate(
@@ -108,7 +114,10 @@ export class ListsService {
       },
     });
 
-    return this.toUserList(savedList);
+    const userList = this.toUserList(savedList);
+    this.listRealtimeService?.publishSnapshot(ownerId, userList);
+
+    return userList;
   }
 
   async listLists(ownerId: string): Promise<UserList[]> {
@@ -160,7 +169,10 @@ export class ListsService {
       },
     });
 
-    return this.toUserList(savedList);
+    const userList = this.toUserList(savedList);
+    this.listRealtimeService?.publishSnapshot(ownerId, userList);
+
+    return userList;
   }
 
   async deleteList(ownerId: string, listId: string): Promise<{ message: string }> {
@@ -180,6 +192,8 @@ export class ListsService {
       metadata,
     });
 
+    this.listRealtimeService?.publishDeleted(ownerId, listId);
+
     return { message: 'List deleted.' };
   }
 
@@ -209,7 +223,10 @@ export class ListsService {
       },
     });
 
-    return this.getList(ownerId, listId);
+    const updatedList = await this.getList(ownerId, listId);
+    this.listRealtimeService?.publishSnapshot(ownerId, updatedList);
+
+    return updatedList;
   }
 
   async updateItem(
@@ -279,7 +296,10 @@ export class ListsService {
       },
     });
 
-    return this.getList(ownerId, listId);
+    const updatedList = await this.getList(ownerId, listId);
+    this.listRealtimeService?.publishSnapshot(ownerId, updatedList);
+
+    return updatedList;
   }
 
   async deleteItem(
@@ -315,7 +335,10 @@ export class ListsService {
       },
     });
 
-    return this.getList(ownerId, listId);
+    const updatedList = await this.getList(ownerId, listId);
+    this.listRealtimeService?.publishSnapshot(ownerId, updatedList);
+
+    return updatedList;
   }
 
   private async findOwnedList(