feat: implement mutex for SlackSendJob (#7783)

app/jobs/webhooks/facebook_events_job.rb

@@ -1,28 +1,16 @@
-class Webhooks::FacebookEventsJob < ApplicationJob
-  class LockAcquisitionError < StandardError; end
-
+class Webhooks::FacebookEventsJob < MutexApplicationJob
   queue_as :default
-  # https://edgeapi.rubyonrails.org/classes/ActiveJob/Exceptions/ClassMethods.html#method-i-retry_on
   retry_on LockAcquisitionError, wait: 1.second, attempts: 6
 
   def perform(message)
     response = ::Integrations::Facebook::MessageParser.new(message)
 
-    lock_key = format(::Redis::Alfred::FACEBOOK_MESSAGE_MUTEX, sender_id: response.sender_id, recipient_id: response.recipient_id)
-    lock_manager = Redis::LockManager.new
-
-    if lock_manager.locked?(lock_key)
-      Rails.logger.error "[Facebook::MessageCreator] Failed to acquire lock on attempt #{executions}: #{lock_key}"
-      raise LockAcquisitionError, "Failed to acquire lock for key: #{lock_key}"
-    end
-
-    begin
-      lock_manager.lock(lock_key)
-      Rails.logger.info "[Facebook::MessageCreator] Acquired lock for: #{lock_key}"
-      ::Integrations::Facebook::MessageCreator.new(response).perform
-    ensure
-      # Ensure that the lock is released even if there's an error in processing
-      lock_manager.unlock(lock_key)
+    with_lock(::Redis::Alfred::FACEBOOK_MESSAGE_MUTEX, sender_id: response.sender_id, recipient_id: response.recipient_id) do
+      process_message(response)
     end
   end
+
+  def process_message(response)
+    ::Integrations::Facebook::MessageCreator.new(response).perform
+  end
 end