Make the view react to chat updates

src/app/chat/core.nim

@@ -33,10 +33,9 @@ proc handleChatEvents(self: ChatController) =
   self.status.events.on("messagesLoaded") do(e:Args):
     self.view.pushMessages(MsgsLoadedArgs(e).messages)
 
-  self.status.events.on("pushMessage") do(e: Args):
-    var evArgs = PushMessageArgs(e)
-    for chat in evArgs.chats:
-      self.view.updateChat(chat)
+  self.status.events.on("chatUpdate") do(e: Args):
+    var evArgs = ChatUpdateArgs(e)
+    self.view.updateChats(evArgs.chats)
     self.view.pushMessages(evArgs.messages)
 
   self.status.events.on("channelJoined") do(e: Args):
@@ -67,10 +66,7 @@ proc init*(self: ChatController) =
   self.status.chat.init()
 
 proc handleMessage(self: ChatController, data: MessageSignal) =
-  for chat in data.chats:
-    self.status.chat.update(chat) # TODO: possible code smell. Try to unify this, by having the view react to the model
-    self.view.updateChat(chat)
-  self.view.pushMessages(data.messages)
+  self.status.chat.update(data.chats, data.messages)
 
 proc handleDiscoverySummary(self: ChatController, data: DiscoverySummarySignal) =
   ## Handle mailserver peers being added and removed

src/app/chat/view.nim

@@ -126,12 +126,13 @@ QtObject:
   proc leaveActiveChat*(self: ChatsView) {.slot.} =
     self.status.chat.leave(self.activeChannel.id)
 
-  proc updateChat*(self: ChatsView, chat: Chat) =
-    self.upsertChannel(chat.id)
-    self.chats.updateChat(chat)
-    if(self.activeChannel.id == chat.id):
-      self.activeChannel.setChatItem(chat)
-      self.activeChannelChanged()
+  proc updateChats*(self: ChatsView, chats: seq[Chat]) =
+    for chat in chats:
+      self.upsertChannel(chat.id)
+      self.chats.updateChat(chat)
+      if(self.activeChannel.id == chat.id):
+        self.activeChannel.setChatItem(chat)
+        self.activeChannelChanged()
 
   proc blockContact*(self: ChatsView, id: string): string {.slot.} =
     return self.status.chat.blockContact(id)

src/status/chat.nim

@@ -9,7 +9,7 @@ import ../signals/messages
 import tables
 
 type 
-  PushMessageArgs* = ref object of Args
+  ChatUpdateArgs* = ref object of Args
     chats*: seq[Chat]
     messages*: seq[Message]
 
@@ -44,8 +44,10 @@ proc newChatModel*(events: EventEmitter): ChatModel =
 proc delete*(self: ChatModel) =
   discard
 
-proc update*(self: ChatModel, chat: Chat) =
-  self.channels[chat.id] = chat
+proc update*(self: ChatModel, chats: seq[Chat], messages: seq[Message]) =
+  for chat in chats:
+    self.channels[chat.id] = chat
+  self.events.emit("chatUpdate", ChatUpdateArgs(messages: messages, chats: chats))
 
 proc hasChannel*(self: ChatModel, chatId: string): bool =
   self.channels.hasKey(chatId)
@@ -137,7 +139,7 @@ proc formatChatUpdate(response: JsonNode): (seq[Chat], seq[Message]) =
 proc sendMessage*(self: ChatModel, chatId: string, msg: string): string =
   var sentMessage = status_chat.sendChatMessage(chatId, msg)
   var (chats, messages) = formatChatUpdate(parseJson(sentMessage))
-  self.events.emit("pushMessage", PushMessageArgs(messages: messages, chats: chats))
+  self.events.emit("chatUpdate", ChatUpdateArgs(messages: messages, chats: chats))
   sentMessage
 
 proc chatMessages*(self: ChatModel, chatId: string, initialLoad:bool = true) =
@@ -159,7 +161,7 @@ proc markAllChannelMessagesRead*(self: ChatModel, chatId: string): JsonNode =
 proc confirmJoiningGroup*(self: ChatModel, chatId: string) =
   var response = parseJson(status_chat.confirmJoiningGroup(chatId))
   var (chats, messages) = formatChatUpdate(response)
-  self.events.emit("pushMessage", PushMessageArgs(messages: messages, chats: chats))
+  self.events.emit("chatUpdate", ChatUpdateArgs(messages: messages, chats: chats))
 
 proc blockContact*(self: ChatModel, id: string): string =
   var contact = status_profile.getContactByID(id)