Chore: Twitter Integration house cleaning (#855)

Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/services/twitter/send_reply_service.rb

@@ -47,7 +47,7 @@ class Twitter::SendReplyService
       tweet_data = response.body
       message.update!(source_id: tweet_data['id_str'])
     else
-      Rails.logger 'TWITTER_TWEET_REPLY_ERROR' + response.body
+      Rails.logger.info 'TWITTER_TWEET_REPLY_ERROR' + response.body
     end
   end
 

app/services/twitter/webhook_subscribe_service.rb

@@ -4,9 +4,13 @@ class Twitter::WebhookSubscribeService
   pattr_initialize [:inbox_id]
 
   def perform
-    register_response = twitter_client.register_webhook(url: webhooks_twitter_url(protocol: 'https'))
-    twitter_client.subscribe_webhook if register_response.status == '200'
-    Rails.logger.info 'TWITTER_REGISTER_WEBHOOK_FAILURE: ' + register_response.body.to_s
+    ensure_webhook
+    unless subscription?
+      subscribe_response = twitter_client.create_subscription
+      raise StandardError, 'Twitter Subscription Failed' unless subscribe_response.status == '204'
+    end
+
+    true
   end
 
   private
@@ -17,4 +21,37 @@ class Twitter::WebhookSubscribeService
   def inbox
     Inbox.find_by!(id: inbox_id)
   end
+
+  def twitter_url
+    webhooks_twitter_url(protocol: 'https')
+  end
+
+  def ensure_webhook
+    webhooks = fetch_webhooks
+    return true if webhooks&.first&.try(:[], 'url') == twitter_url
+
+    # twitter supports only one webhook url per environment
+    # so we will delete the existing one if its not chatwoot
+    unregister_webhook(webhooks.first) if webhooks&.first
+    register_webhook
+  end
+
+  def unregister_webhook(webhook)
+    unregister_response = twitter_client.unregister_webhook(id: webhook.try(:[], 'id'))
+    Rails.logger.info 'TWITTER_UNREGISTER_WEBHOOK: ' + unregister_response.body.to_s
+  end
+
+  def register_webhook
+    register_response = twitter_client.register_webhook(url: twitter_url)
+    Rails.logger.info 'TWITTER_UNREGISTER_WEBHOOK: ' + register_response.body.to_s
+  end
+
+  def subscription?
+    response = twitter_client.fetch_subscriptions
+    response.status == '204'
+  end
+
+  def fetch_webhooks
+    twitter_client.fetch_webhooks.body
+  end
 end