Handles new comments events

lib/helpers/events_helper.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 
+import 'package:comunic/models/comment.dart';
 import 'package:event_bus/event_bus.dart';
 
 /// Events helper
@@ -23,6 +24,13 @@ class NewNumberUnreadConversations {
   NewNumberUnreadConversations(this.newNum);
 }
 
+/// New comment
+class NewCommentEvent {
+  final Comment comment;
+
+  NewCommentEvent(this.comment);
+}
+
 class EventsHelper {
   static EventBus _mgr = EventBus();
 

lib/helpers/websocket_helper.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:convert';
 
+import 'package:comunic/helpers/comments_helper.dart';
 import 'package:comunic/helpers/events_helper.dart';
 import 'package:comunic/models/api_request.dart';
 import 'package:comunic/models/config.dart';
@@ -39,8 +40,7 @@ class WebSocketHelper {
 
     // Determine WebSocket URI
     final wsURL =
-        "${(config().apiServerSecure ? "wss" : "ws")}://${config()
-        .apiServerName}${config().apiServerUri}ws?token=$token";
+        "${(config().apiServerSecure ? "wss" : "ws")}://${config().apiServerName}${config().apiServerUri}ws?token=$token";
     final wsURI = Uri.parse(wsURL);
 
     // Connect
@@ -48,7 +48,7 @@ class WebSocketHelper {
 
     _ws.stream.listen(
       // When we got data
-          (data) {
+      (data) {
         print("WS New data: $data");
         _processMessage(data.toString());
       },
@@ -110,16 +110,22 @@ class WebSocketHelper {
   /// Process an unattended message
   static _processUnattendedMessage(WsMessage msg) {
     switch (msg.title) {
-    // New number of notifications
+      // New number of notifications
       case "number_notifs":
         EventsHelper.emit(NewNumberNotifsEvent(msg.data));
         break;
 
-    // New number of unread conversations
+      // New number of unread conversations
       case "number_unread_conversations":
         EventsHelper.emit(NewNumberUnreadConversations(msg.data));
         break;
 
+      // New comment
+      case "new_comment":
+        EventsHelper.emit(
+            NewCommentEvent(CommentsHelper.apiToComment(msg.data)));
+        break;
+
       default:
         throw Exception("Unknown message type: ${msg.title}");
     }

lib/ui/tiles/post_tile.dart

@@ -4,7 +4,6 @@ import 'package:comunic/enums/post_kind.dart';
 import 'package:comunic/enums/post_visibility_level.dart';
 import 'package:comunic/helpers/comments_helper.dart';
 import 'package:comunic/helpers/posts_helper.dart';
-import 'package:comunic/helpers/users_helper.dart';
 import 'package:comunic/lists/groups_list.dart';
 import 'package:comunic/lists/users_list.dart';
 import 'package:comunic/models/comment.dart';
@@ -493,22 +492,6 @@ class _PostTileState extends State<PostTile> {
       if (commentID < 1) throw new Exception("Comment ID is inferior to 1!");
 
       clearCommentForm();
-
-      // Get and show new comment
-      final newComment = await _commentsHelper.getSingle(commentID);
-
-      if (newComment == null)
-        return showSimpleSnack(
-            context, tr("Could not retrieve created comment!"));
-
-      // Get information about the user who created the comment (if required)
-      if (!widget.usersInfo.hasUser(newComment.userID))
-        widget.usersInfo
-            .add(await UsersHelper().getSingleWithThrow(newComment.userID));
-
-      setState(() {
-        widget.post.comments.add(newComment);
-      });
     } catch (e) {
       print(e);
       showSimpleSnack(context, tr("Could not create comment!"));

lib/ui/widgets/posts_list_widget.dart

@@ -1,9 +1,11 @@
+import 'package:comunic/helpers/events_helper.dart';
 import 'package:comunic/helpers/groups_helper.dart';
 import 'package:comunic/helpers/posts_helper.dart';
 import 'package:comunic/helpers/users_helper.dart';
 import 'package:comunic/lists/groups_list.dart';
 import 'package:comunic/lists/posts_list.dart';
 import 'package:comunic/lists/users_list.dart';
+import 'package:comunic/models/comment.dart';
 import 'package:comunic/models/post.dart';
 import 'package:comunic/ui/screens/conversation_screen.dart';
 import 'package:comunic/ui/tiles/post_tile.dart';
@@ -65,6 +67,9 @@ class PostsListWidgetState extends SafeState<PostsListWidget> {
     super.initState();
 
     _scrollController = ScrollWatcher(onReachBottom: reachedPostsBottom);
+
+    // Register to events
+    this.listen<NewCommentEvent>((ev) => this._addComment(ev.comment));
   }
 
   @override
@@ -219,4 +224,24 @@ class PostsListWidgetState extends SafeState<PostsListWidget> {
   void reachedPostsBottom() {
     if (widget.getOlder != null) loadPostsList(getOlder: true);
   }
+
+  /// Add new comment
+  void _addComment(Comment c) async {
+    if (_list == null) return;
+
+    try {
+      final p = _list.singleWhere((p) => p.id == c.postID, orElse: () => null);
+
+      if (p == null) return;
+
+      if (!_users.hasUser(c.userID))
+        _users.add(await UsersHelper().getSingleWithThrow(c.userID));
+
+      setState(() {
+        p.comments.add(c);
+      });
+    } catch (e, stack) {
+      print("$e\n$stack");
+    }
+  }
 }