Change sender_id to contact_id in conversations (#167)

* change sender_id to contact_id in conversations

* Fix failing tests

* Fix seeds

* fix specs

* Fix issues in facebook messenger

lib/integrations/facebook/delivery_status.rb

@@ -1,30 +1,34 @@
 # frozen_string_literal: true
 
-class Integrations::Facebook::DeliveryStatus
-  def initialize(params)
-    @params = params
-  end
+module Integrations
+  module Facebook
+    class DeliveryStatus
+      def initialize(params)
+        @params = params
+      end
 
-  def perform
-    update_message_status
-  end
+      def perform
+        update_message_status
+      end
 
-  private
+      private
 
-  def sender_id
-    @params.sender['id']
-  end
+      def sender_id
+        @params.sender['id']
+      end
 
-  def contact_id
-    @contact ||= ::Contact.find_by(source_id: sender_id)
-  end
+      def contact
+        Contact.find_by(source_id: sender_id)
+      end
 
-  def conversation
-    @conversation ||= ::Conversation.find_by(sender_id: contact_id)
-  end
+      def conversation
+        @conversation ||= ::Conversation.find_by(contact_id: contact.id)
+      end
 
-  def update_message_status
-    conversation.user_last_seen_at = @params.at
-    conversation.save!
+      def update_message_status
+        conversation.user_last_seen_at = @params.at
+        conversation.save!
+      end
+    end
   end
 end