Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/services/twitter/webhook_subscribe_service.rb

@@ -0,0 +1,57 @@
+class Twitter::WebhookSubscribeService
+  include Rails.application.routes.url_helpers
+
+  pattr_initialize [:inbox_id]
+
+  def perform
+    ensure_webhook
+    unless subscription?
+      subscribe_response = twitter_client.create_subscription
+      raise StandardError, 'Twitter Subscription Failed' unless subscribe_response.status == '204'
+    end
+
+    true
+  end
+
+  private
+
+  delegate :channel, to: :inbox
+  delegate :twitter_client, to: :channel
+
+  def inbox
+    Inbox.find(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}"
+  end
+
+  def register_webhook
+    register_response = twitter_client.register_webhook(url: twitter_url)
+    Rails.logger.info "TWITTER_REGISTER_WEBHOOK: #{register_response.body}"
+  end
+
+  def subscription?
+    response = twitter_client.fetch_subscriptions
+    response.status == '204'
+  end
+
+  def fetch_webhooks
+    twitter_client.fetch_webhooks.body
+  end
+end