feat(chat): show "@" when logged in user has been mentioned in channel

Closes #516

src/app/chat/views/channels_list.nim

@@ -13,6 +13,7 @@ type
     Identicon = UserRole + 5
     ChatType = UserRole + 6
     Color = UserRole + 7
+    HasMentions = UserRole + 8
 
 QtObject:
   type
@@ -52,6 +53,7 @@ QtObject:
       of ChannelsRoles.Identicon: result = newQVariant(chatItem.identicon)
       of ChannelsRoles.ChatType: result = newQVariant(chatItem.chatType.int)
       of ChannelsRoles.Color: result = newQVariant(chatItem.color)
+      of ChannelsRoles.HasMentions: result = newQVariant(chatItem.hasMentions)
 
   method roleNames(self: ChannelsList): Table[int, string] =
     {
@@ -61,7 +63,8 @@ QtObject:
       ChannelsRoles.UnreadMessages.int: "unviewedMessagesCount",
       ChannelsRoles.Identicon.int: "identicon",
       ChannelsRoles.ChatType.int: "chatType",
-      ChannelsRoles.Color.int: "color"
+      ChannelsRoles.Color.int: "color",
+      ChannelsRoles.HasMentions.int: "hasMentions"
     }.toTable
 
   proc addChatItemToList*(self: ChannelsList, channel: Chat): int =
@@ -109,7 +112,7 @@ QtObject:
     else:
       self.chats[0] = channel
 
-    self.dataChanged(topLeft, bottomRight, @[ChannelsRoles.Name.int, ChannelsRoles.LastMessage.int, ChannelsRoles.Timestamp.int, ChannelsRoles.UnreadMessages.int, ChannelsRoles.Identicon.int, ChannelsRoles.ChatType.int, ChannelsRoles.Color.int])
+    self.dataChanged(topLeft, bottomRight, @[ChannelsRoles.Name.int, ChannelsRoles.LastMessage.int, ChannelsRoles.Timestamp.int, ChannelsRoles.UnreadMessages.int, ChannelsRoles.Identicon.int, ChannelsRoles.ChatType.int, ChannelsRoles.Color.int, ChannelsRoles.HasMentions.int])
 
   proc clearUnreadMessagesCount*(self: ChannelsList, channel: var Chat) =
     let idx = self.chats.findIndexById(channel.id)
@@ -118,9 +121,10 @@ QtObject:
     let topLeft = self.createIndex(0, 0, nil)
     let bottomRight = self.createIndex(self.chats.len, 0, nil)
     channel.unviewedMessagesCount = 0
+    channel.hasMentions = false
     self.chats[idx] = channel
 
-    self.dataChanged(topLeft, bottomRight, @[ChannelsRoles.Name.int, ChannelsRoles.LastMessage.int, ChannelsRoles.Timestamp.int, ChannelsRoles.UnreadMessages.int, ChannelsRoles.Identicon.int, ChannelsRoles.ChatType.int, ChannelsRoles.Color.int])
+    self.dataChanged(topLeft, bottomRight, @[ChannelsRoles.Name.int, ChannelsRoles.LastMessage.int, ChannelsRoles.Timestamp.int, ChannelsRoles.UnreadMessages.int, ChannelsRoles.Identicon.int, ChannelsRoles.ChatType.int, ChannelsRoles.Color.int, ChannelsRoles.HasMentions.int])
 
   proc mention(self: ChannelsList, pubKey: string): string =
     if self.status.chat.contacts.hasKey(pubKey):

src/app/chat/views/chat_item.nim

@@ -60,6 +60,11 @@ QtObject:
   QtProperty[QVariant] members:
     read = getMembers
 
+  proc hasMentions*(self: ChatItemView): bool {.slot.} = result = ?.self.chatItem.hasMentions
+
+  QtProperty[bool] hasMentions:
+    read = hasMentions
+
   proc isMember*(self: ChatItemView, pubKey: string): bool {.slot.} =
     if self.chatItem.isNil: return false
     return self.chatItem.isMember(pubKey)

src/signals/messages.nim

@@ -1,5 +1,7 @@
-import json, random
+import json, random, sequtils, sugar
+import json_serialization
 import ../status/libstatus/accounts as status_accounts
+import ../status/libstatus/settings as status_settings
 import ../status/chat/[chat, message]
 import ../status/profile/[profile, devices]
 import types
@@ -13,17 +15,28 @@ proc fromEvent*(event: JsonNode): Signal =
   signal.messages = @[]
   signal.contacts = @[]
 
+  let pk = status_settings.getSetting[string]("public-key", "0x0")
+
   if event["event"]{"contacts"} != nil:
     for jsonContact in event["event"]["contacts"]:
       signal.contacts.add(jsonContact.toProfileModel())
 
+  var chatsWithMentions: seq[string] = @[]
+
   if event["event"]{"messages"} != nil:
     for jsonMsg in event["event"]["messages"]:
-      signal.messages.add(jsonMsg.toMessage)
+      let message = jsonMsg.toMessage
+      let hasMentions = concat(message.parsedText.map(t => t.children.filter(c => c.textType == "mention" and c.literal == pk))).len > 0
+      if hasMentions:
+        chatsWithMentions.add(message.chatId)
+      signal.messages.add(message)
 
   if event["event"]{"chats"} != nil:
     for jsonChat in event["event"]["chats"]:
-      signal.chats.add(jsonChat.toChat)
+      var chat = jsonChat.toChat
+      if chatsWithMentions.contains(chat.id):
+        chat.hasMentions = true
+      signal.chats.add(chat)
 
   if event["event"]{"installations"} != nil:
     for jsonInstallation in event["event"]["installations"]:
@@ -71,7 +84,8 @@ proc newChat*(id: string, chatType: ChatType): Chat =
     timestamp: 0,
     lastClockValue: 0,
     deletedAtClockValue: 0, 
-    unviewedMessagesCount: 0
+    unviewedMessagesCount: 0,
+    hasMentions: false
   )
 
   if chatType == ChatType.OneToOne:
@@ -92,6 +106,7 @@ proc toChat*(jsonChat: JsonNode): Chat =
     lastClockValue: jsonChat{"lastClockValue"}.getBiggestInt,
     deletedAtClockValue: jsonChat{"deletedAtClockValue"}.getBiggestInt, 
     unviewedMessagesCount: jsonChat{"unviewedMessagesCount"}.getInt,
+    hasMentions: false
   )
 
   if jsonChat["lastMessage"].kind != JNull: 

src/status/chat/chat.nim

@@ -65,6 +65,7 @@ type Chat* = ref object
   lastMessage*: Message
   members*: seq[ChatMember]
   membershipUpdateEvents*: seq[ChatMembershipEvent]
+  hasMentions*: bool
 
 proc `$`*(self: Chat): string =
   result = fmt"Chat(id:{self.id}, name:{self.name}, active:{self.isActive}, type:{self.chatType})"

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

@@ -9,6 +9,7 @@ Rectangle {
     property string lastMessage: "My latest message\n with a return"
     property string timestamp: "20/2/2020"
     property string unviewedMessagesCount: "2"
+    property bool hasMentions: false
     property int chatType: Constants.chatTypePublic
     property string searchStr: ""
 
@@ -135,10 +136,10 @@ Rectangle {
         anchors.right: parent.right
         anchors.rightMargin: Style.current.padding
         color: Style.current.blue
-        visible: unviewedMessagesCount > 0
+        visible: (unviewedMessagesCount > 0) || wrapper.hasMentions
         StyledText {
             id: contactNumberChats
-            text: wrapper.unviewedMessagesCount < 100 ? wrapper.unviewedMessagesCount : "99"
+            text: wrapper.hasMentions ? '@' : (wrapper.unviewedMessagesCount < 100 ? wrapper.unviewedMessagesCount : "99")
             font.pixelSize: 12
             anchors.horizontalCenter: parent.horizontalCenter
             anchors.verticalCenter: parent.verticalCenter

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

@@ -27,6 +27,7 @@ Item {
             timestamp: model.timestamp
             chatType: model.chatType
             unviewedMessagesCount: model.unviewedMessagesCount
+            hasMentions: model.hasMentions
             searchStr: chatGroupsContainer.searchStr
         }
         onCountChanged: {