feat: add unread count calculation in meta

app/finders/conversation_finder.rb

@@ -30,7 +30,7 @@ class ConversationFinder
   def perform
     set_up
 
-    mine_count, unassigned_count, all_count, = set_count_for_all_conversations
+    mine_count, unassigned_count, all_count, unread_count = set_count_for_all_conversations
     assigned_count = all_count - unassigned_count
 
     filter_by_assignee_type
@@ -41,7 +41,8 @@ class ConversationFinder
         mine_count: mine_count,
         assigned_count: assigned_count,
         unassigned_count: unassigned_count,
-        all_count: all_count
+        all_count: all_count,
+        unread_count: unread_count
       }
     }
   end
@@ -147,7 +148,10 @@ class ConversationFinder
     [
       @conversations.assigned_to(current_user).count,
       @conversations.unassigned.count,
-      @conversations.count
+      @conversations.count,
+      @conversations.joins(:messages)
+                    .where('conversations.agent_last_seen_at IS NULL OR messages.created_at > conversations.agent_last_seen_at')
+                    .distinct.count
     ]
   end
 

app/views/api/v1/accounts/conversations/index.json.jbuilder

@@ -4,6 +4,7 @@ json.data do
     json.assigned_count @conversations_count[:assigned_count]
     json.unassigned_count @conversations_count[:unassigned_count]
     json.all_count @conversations_count[:all_count]
+    json.unread_count @conversations_count[:unread_count]
   end
   json.payload do
     json.array! @conversations do |conversation|