Feature: Availability Statuses (#874)

Co-authored-by: Pranav Raj S <pranav@thoughtwoot.com>

app/models/concerns/availability_statusable.rb

@@ -1,11 +1,20 @@
 module AvailabilityStatusable
   extend ActiveSupport::Concern
 
-  def online?
-    ::OnlineStatusTracker.subscription_count(pubsub_token) != 0
+  def online_presence?
+    ::OnlineStatusTracker.get_presence(availability_account_id, self.class.name, id)
   end
 
   def availability_status
-    online? ? 'online' : 'offline'
+    return 'offline' unless online_presence?
+    return 'online' if is_a? Contact
+
+    ::OnlineStatusTracker.get_status(availability_account_id, id) || 'online'
+  end
+
+  def availability_account_id
+    return account_id if is_a? Contact
+
+    Current.account.present? ? Current.account.id : accounts.first.id
   end
 end