fix(community): fix deleting community chat more reliable

Fixes #4913

The problem was that we relied only on the status-go signals, so there was a delay, and also they are not as reliable as deleting them ourselves from the array and calling the event

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

@@ -309,20 +309,15 @@ QtObject:
       result.hasNotifications = result.hasNotifications or self.items[i].BaseItem.hasUnreadMessages
       result.notificationsCount = result.notificationsCount + self.items[i].BaseItem.notificationsCount
 
-
   proc reorder*(self: Model, chatOrCategoryId: string, position: int) =
     let index = self.getItemIdxById(chatOrCategoryId)
     if(index == -1):
       return
 
-    let idx = self.createIndex(index, 0, nil)
     self.items[index].BaseItem.position = position
-    self.dataChanged(idx, idx, @[ModelRole.Position.int])
 
-    let tempItem = self.items[position]
     self.beginResetModel()
-    self.items[position] = self.items[index]
-    self.items[index] = tempItem
+    self.items.sort(sortChats)
     self.endResetModel()
 
   proc clearItems*(self: Model) =

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

@@ -498,8 +498,19 @@ method onCommunityCategoryDeleted*(self: Module, cat: Category) =
 
   self.view.chatsModel().removeItemById(cat.id)
 
+method setFirstChannelAsActive*(self: Module) =
+  if(self.view.chatsModel().getCount() == 0):
+    return
+  let item = self.view.chatsModel().getItemAtIndex(0)
+  if(item.subItems.getCount() == 0):
+    self.setActiveItemSubItem(item.id, "")
+  else:
+    let subItem = item.subItems.getItemAtIndex(0)
+    self.setActiveItemSubItem(item.id, subItem.id)
+
 method onReorderChatOrCategory*(self: Module, chatOrCatId: string, position: int) =
   self.view.chatsModel().reorder(chatOrCatId, position)
+  self.setFirstChannelAsActive()
 
 method onCategoryNameChanged*(self: Module, category: Category) =
   self.view.chatsModel().renameItem(category.id, category.name)
@@ -536,16 +547,7 @@ method onCommunityChannelDeletedOrChatLeft*(self: Module, chatId: string) =
   self.view.chatsModel().removeItemById(chatId)
   self.removeSubmodule(chatId)
 
-  if(self.view.chatsModel().getCount() == 0):
-    return
-
-  # set first channel as the active one in model
-  let item = self.view.chatsModel().getItemAtIndex(0)
-  if(item.subItems.getCount() == 0):
-    self.setActiveItemSubItem(item.id, "")
-  else:
-    let subItem = item.subItems.getItemAtIndex(0)
-    self.setActiveItemSubItem(item.id, subItem.id)
+  self.setFirstChannelAsActive()
 
 method onCommunityChannelEdited*(self: Module, chat: ChatDto) =
   if(not self.chatContentModules.contains(chat.id)):

src/app/modules/main/chat_section/private_interfaces/module_access_interface.nim

@@ -36,3 +36,6 @@ method onActiveSectionChange*(self: AccessInterface, sectionId: string) {.base.}
 
 method chatsModel*(self: AccessInterface): chats_model.Model {.base.} =
   raise newException(ValueError, "No implementation available")
+
+method setFirstChannelAsActive*(self: AccessInterface) {.base.} =
+  raise newException(ValueError, "No implementation available")

src/app_service/service/community/service.nim

@@ -693,6 +693,13 @@ QtObject:
       if response.result.isNil or response.result.kind == JNull:
         error "response is invalid", methodName="deleteCommunityChat"
 
+      var shortChatId = chatId.replace(communityId, "")
+      let idx = findIndexById(shortChatId, self.joinedCommunities[communityId].chats)
+      if (idx != -1):
+        self.joinedCommunities[communityId].chats.delete(idx)
+
+      self.events.emit(SIGNAL_COMMUNITY_CHANNEL_DELETED, CommunityChatIdArgs(
+        communityId: communityId, chatId: chatId))
     except Exception as e:
       error "Error deleting community channel", msg = e.msg, communityId, chatId, methodName="deleteCommunityChat"