Feature: SignIn with Twitter (#479)

* Add Twitter SignIn flow

Co-authored-by: Sojan Jose <sojan@pepalo.com>

app/services/twitter/webhook_subscribe_service.rb

@@ -0,0 +1,20 @@
+class Twitter::WebhookSubscribeService
+  include Rails.application.routes.url_helpers
+
+  pattr_initialize [:inbox_id]
+
+  def perform
+    register_response = twitter_client.register_webhook(url: webhooks_twitter_url)
+    twitter_client.subscribe_webhook if register_response.status == '200'
+    Rails.logger.info 'TWITTER_REGISTER_WEBHOOK_FAILURE: ' + register_response.body.to_s
+  end
+
+  private
+
+  delegate :channel, to: :inbox
+  delegate :twitter_client, to: :channel
+
+  def inbox
+    Inbox.find_by!(id: inbox_id)
+  end
+end