sms_sender_job.rb

class SmsSenderJob < ApplicationJob
  def perform(recipient, community, message)
    sms_credits = community.sms_credits

    if sms_credits > 0
      send_sms recipient, message # this still takes a while.

      # take off a credit
      community.sms_credits = sms_credits - 1
      community.save
    end
  end
end