fix(chat): fix loading chats when joining them

Fixes #4367

src/app/modules/main/chat_section/chat_content/view.nim

@@ -12,6 +12,8 @@ QtObject:
       chatDetails: ChatDetails
       chatDetailsVariant: QVariant
       
+  proc chatDetailsChanged*(self:View) {.signal.}
+
   proc delete*(self: View) =
     self.pinnedMessagesModel.delete
     self.pinnedMessagesModelVariant.delete
@@ -33,6 +35,7 @@ QtObject:
     self.chatDetails.setChatDetails(id, `type`, belongsToCommunity, isUsersListAvailable, name, icon, isIdenticon, 
     color, description, hasUnreadMessages, notificationsCount, muted)
     self.delegate.viewDidLoad()
+    self.chatDetailsChanged()
 
   proc pinnedModel*(self: View): pinned_msg_model.Model =
     return self.pinnedMessagesModel
@@ -95,6 +98,7 @@ QtObject:
     return self.chatDetailsVariant
   QtProperty[QVariant] chatDetails:
     read = getChatDetails
+    notify = chatDetailsChanged
 
   proc getCurrentFleet*(self: View): string {.slot.} =
     self.delegate.getCurrentFleet()

src/app/modules/main/chat_section/controller.nim

@@ -78,10 +78,10 @@ method init*(self: Controller) =
     self.events.on(SIGNAL_COMMUNITY_CHANNEL_CREATED) do(e:Args):
       let args = CommunityChatArgs(e)
       if (args.communityId == self.sectionId):
-        self.delegate.addNewChat(
-          ChatDto(
+        let chatDto = ChatDto(
             id: args.chat.id,
             name: args.chat.name,
+            chatType: ChatType.CommunityChat,
             color: args.chat.color,
             emoji: args.chat.emoji,
             description: args.chat.description,
@@ -90,7 +90,12 @@ method init*(self: Controller) =
             position: args.chat.position,
             categoryId: args.chat.categoryId,
             communityId: args.communityId
-          ),
+          )
+
+        self.chatService.updateOrAddChat(chatDto)
+        
+        self.delegate.addNewChat(
+          chatDto,
           self.events,
           self.settingsService,
           self.contactService,

src/app/modules/main/chat_section/module.nim

@@ -314,9 +314,10 @@ method addNewChat*(
   let amIChatAdmin = self.amIMarkedAsAdminUser(chatDto.members)
   let item = initItem(chatDto.id, chatName, chatImage, isIdenticon, chatDto.color, chatDto.description, 
   chatDto.chatType.int, amIChatAdmin, hasNotification, notificationsCount, chatDto.muted, false, 0)
-  self.view.appendItem(item)
   self.addSubmodule(chatDto.id, false, isUsersListAvailable, events, settingsService, contactService, chatService, 
   communityService, messageService)
+  self.chatContentModules[chatDto.id].load()
+  self.view.appendItem(item)
 
   # make new added chat active one
   self.setActiveItemSubItem(item.id, "")

src/app_service/service/chat/service.nim

@@ -94,6 +94,9 @@ QtObject:
   proc hasChannel*(self: Service, chatId: string): bool =
     self.chats.hasKey(chatId)
 
+  proc updateOrAddChat*(self: Service, chat: ChatDto) =
+    self.chats[chat.id] = chat
+
   proc parseChatResponse*(self: Service, response: RpcResponse[JsonNode]): (seq[ChatDto], seq[MessageDto]) =
     var chats: seq[ChatDto] = @[]
     var messages: seq[MessageDto] = @[]
@@ -104,7 +107,7 @@ QtObject:
       for jsonChat in response.result["chats"]:
         let chat = chat_dto.toChatDto(jsonChat)
         # TODO add the channel back to `chat` when it is refactored
-        self.chats[chat.id] = chat
+        self.updateOrAddChat(chat)
         chats.add(chat) 
     result = (chats, messages)
 
@@ -164,6 +167,7 @@ QtObject:
       return
 
     result.chatDto = chats[0]
+    self.updateOrAddChat(result.chatDto)
     result.success = true
 
   proc createPublicChat*(self: Service, chatId: string): tuple[chatDto: ChatDto, success: bool] =

ui/app/AppLayouts/Chat/views/ChatColumnView.qml

@@ -197,7 +197,12 @@ Item {
                 DelegateChoice { // In case of category
                     roleValue: Constants.chatType.unknown
                     delegate: Repeater {
-                        model: subItems
+                        model: {
+                            if (!subItems) {
+                                console.error("We got a category with no subitems. It is possible that the channel had a type unknown")
+                            }
+                            return subItems
+                        }
                         delegate: ChatContentView {
                             rootStore: root.rootStore
                             contactsStore: root.contactsStore