Add functionality for managing user-owned chat rooms: Implement getOwnRooms and deleteOwnRoom methods in ChatController and ChatService, add corresponding API routes in chatRouter, and enhance MultiChatDialog for displaying and deleting owned rooms with localized messages. Update i18n files for new features.

backend/controllers/chatController.js

@@ -14,6 +14,8 @@ class ChatController {
     this.getOneToOneMessageHistory = this.getOneToOneMessageHistory.bind(this);
     this.getRoomList = this.getRoomList.bind(this);
     this.getRoomCreateOptions = this.getRoomCreateOptions.bind(this);
+    this.getOwnRooms = this.getOwnRooms.bind(this);
+    this.deleteOwnRoom = this.deleteOwnRoom.bind(this);
   }
 
   async getMessages(req, res) {
@@ -185,6 +187,32 @@ class ChatController {
       res.status(500).json({ error: error.message });
     }
   }
+
+  async getOwnRooms(req, res) {
+    try {
+      const { userid: hashedUserId } = req.headers;
+      const rooms = await chatService.getOwnRooms(hashedUserId);
+      res.status(200).json(rooms);
+    } catch (error) {
+      const status = error.message === 'user_not_found' ? 404 : 500;
+      res.status(status).json({ error: error.message });
+    }
+  }
+
+  async deleteOwnRoom(req, res) {
+    try {
+      const { userid: hashedUserId } = req.headers;
+      const roomId = Number.parseInt(req.params.id, 10);
+      if (!Number.isInteger(roomId) || roomId <= 0) {
+        return res.status(400).json({ error: 'invalid_room_id' });
+      }
+      await chatService.deleteOwnRoom(hashedUserId, roomId);
+      res.status(204).send();
+    } catch (error) {
+      const status = error.message === 'room_not_found_or_not_owner' || error.message === 'user_not_found' ? 404 : 500;
+      res.status(status).json({ error: error.message });
+    }
+  }
 }
 
 export default ChatController;