issue #151: add rubocop to ci (#168)

app/controllers/api/v1/callbacks_controller.rb

@@ -10,7 +10,10 @@ class Api::V1::CallbacksController < ApplicationController
     page_name = params[:page_name]
     page_id = params[:page_id]
     inbox_name = params[:inbox_name]
-    facebook_channel = current_account.facebook_pages.create!(name: page_name, page_id: page_id, user_access_token: user_access_token, page_access_token: page_access_token, remote_avatar_url: set_avatar(page_id))
+    facebook_channel = current_account.facebook_pages.create!(
+      name: page_name, page_id: page_id, user_access_token: user_access_token,
+      page_access_token: page_access_token, remote_avatar_url: set_avatar(page_id)
+    )
     inbox = current_account.inboxes.create!(name: inbox_name, channel: facebook_channel)
     render json: inbox
   end

app/models/inbox.rb

@@ -44,6 +44,15 @@ class Inbox < ApplicationRecord
   end
 
   def subscribe_webhook
-    Facebook::Messenger::Subscriptions.subscribe(access_token: channel.page_access_token, subscribed_fields: %w[message_mention messages messaging_account_linking messaging_checkout_updates message_echoes message_deliveries messaging_game_plays messaging_optins messaging_optouts messaging_payments messaging_postbacks messaging_pre_checkouts message_reads messaging_referrals messaging_handovers messaging_policy_enforcement messaging_page_feedback messaging_appointments messaging_direct_sends])
+    Facebook::Messenger::Subscriptions.subscribe(
+      access_token: channel.page_access_token,
+      subscribed_fields: %w[
+        message_mention messages messaging_account_linking messaging_checkout_updates
+        message_echoes message_deliveries messaging_game_plays messaging_optins messaging_optouts
+        messaging_payments messaging_postbacks messaging_pre_checkouts message_reads messaging_referrals
+        messaging_handovers messaging_policy_enforcement messaging_page_feedback
+        messaging_appointments messaging_direct_sends
+      ]
+    )
   end
 end