Update channels position when receiving a new msg

src/app/chat/view.nim

@@ -57,6 +57,14 @@ QtObject:
     self.activeChannel = selectedChannel.id
     self.activeChannelChanged()
 
+  proc getActiveChannelIdx(self: ChatsView): QVariant {.slot.} =
+    return newQVariant(self.chats.chats.findById(self.activeChannel))
+
+  QtProperty[QVariant] activeChannelIndex:
+    read = getActiveChannelIdx
+    write = setActiveChannelByIndex
+    notify = activeChannelChanged
+
   proc setActiveChannel*(self: ChatsView, channel: string) =
     self.activeChannel = channel
     self.activeChannelChanged()

src/app/chat/views/channels_list.nim

@@ -77,10 +77,9 @@ QtObject:
     }.toTable
 
   proc addChatItemToList*(self: ChannelsList, channel: ChatItem): int =
-    self.beginInsertRows(newQModelIndex(), self.chats.len, self.chats.len)
-    self.chats.add(channel)
+    self.beginInsertRows(newQModelIndex(), 0, 0)
+    self.chats.insert(channel, 0)
     self.endInsertRows()
-    
     result = self.chats.len - 1
 
   proc removeChatItemFromList*(self: ChannelsList, channel: string): int =
@@ -108,7 +107,12 @@ QtObject:
 
   proc updateChat*(self: ChannelsList, channel: ChatItem) =
     let idx = self.upsertChannel(channel)
-    self.chats[idx] = channel
-    let topLeft = self.createIndex(idx, 0, nil)
-    let bottomRight = self.createIndex(idx, 0, nil)
-    self.dataChanged(topLeft, bottomRight, @[ChannelsRoles.Timestamp.int, ChannelsRoles.LastMessage.int, ChannelsRoles.UnreadMessages.int])
+    let topLeft = self.createIndex(0, 0, nil)
+    let bottomRight = self.createIndex(self.chats.len - 1, 0, nil)
+    if(idx != 0): # Move last updated chat to the top of the list
+      self.chats.del(idx)
+      self.chats.insert(channel, 0)
+    else:
+      self.chats[0] = channel
+
+    self.dataChanged(topLeft, bottomRight, @[ChannelsRoles.Name.int, ChannelsRoles.LastMessage.int, ChannelsRoles.Timestamp.int, ChannelsRoles.LastMessage.int, ChannelsRoles.UnreadMessages.int, ChannelsRoles.Identicon.int, ChannelsRoles.LastMessage.int])

ui/app/AppLayouts/Chat/ContactsColumn/ChannelList.qml

@@ -18,8 +18,21 @@ Item {
         model: chatsModel.chats
         delegate: Channel {}
         onCountChanged: {
+            // If a chat is added or removed, we set the current index to the first value
             if (count > 0) {
                 currentIndex = 0;
+                chatsModel.activeChannelIndex = 0;
+            }
+        }
+    }
+
+    Connections {
+        target: chatsModel.chats
+        onDataChanged: {
+            // If the current active channel receives messages and changes its position,
+            // refresh the currentIndex accordingly
+            if(chatsModel.activeChannelIndex != chatGroupsListView.currentIndex){
+                chatGroupsListView.currentIndex = chatsModel.activeChannelIndex
             }
         }
     }