Handle conversation deleted event

lib/helpers/events_helper.dart

@@ -80,11 +80,18 @@ class DeletedConversationMessageEvent {
 }
 
 /// Remove user from conversation
-class RemovedUserFromConversation {
+class RemovedUserFromConversationEvent {
   final int convID;
   final int userID;
 
-  RemovedUserFromConversation(this.convID, this.userID);
+  RemovedUserFromConversationEvent(this.convID, this.userID);
+}
+
+/// Deleted conversation
+class DeletedConversationEvent {
+  final int convID;
+
+  DeletedConversationEvent(this.convID);
 }
 
 /// User joined call event

lib/helpers/websocket_helper.dart

@@ -170,10 +170,15 @@ class WebSocketHelper {
 
       // Removed user from conversation
       case "removed_user_from_conv":
-        EventsHelper.emit(RemovedUserFromConversation(
+        EventsHelper.emit(RemovedUserFromConversationEvent(
             msg.data["conv_id"], msg.data["user_id"]));
         break;
 
+      // Conversation deleted
+      case "deleted_conversation":
+        EventsHelper.emit(DeletedConversationEvent(msg.data));
+        break;
+
       // A user joined a call
       case "user_joined_call":
         EventsHelper.emit(

lib/ui/screens/conversation_screen.dart

@@ -186,11 +186,17 @@ class _ConversationScreenState extends SafeState<ConversationScreen> {
       }
     });
 
-    this.listen<RemovedUserFromConversation>((ev) {
+    this.listen<RemovedUserFromConversationEvent>((ev) {
       if (ev.userID == userID() && ev.convID == widget.conversationID) {
         setState(() => _error = ErrorLevel.MAJOR);
       }
     });
+
+    this.listen<DeletedConversationEvent>((ev) {
+      if (ev.convID == widget.conversationID) {
+        setState(() => _error = ErrorLevel.MAJOR);
+      }
+    });
   }
 
   /// Free resources when this conversation widget is no longer required