email_interceptor.rb

class EmailInterceptor
  # For overwrite the deliver mail
  def self.delivering_email(message)
    original_to_emails = Array(message.to).join("+")
    original_cc_emails = Array(message.cc).join("+")
    original_bcc_emails = Array(message.bcc).join("+")

    message.to = Array(message.to).select{ |x| x =~ /alphacamp/ }
    message.cc = Array(message.cc).select{ |x| x =~ /alphacamp/ }
    message.bcc = Array(message.bcc).select{ |x| x =~ /alphacamp/ }

    new_to_emails = message.to.join("+")
    new_cc_emails = message.cc.join("+")
    new_bcc_emails =  message.bcc.join("+")

    if (new_to_emails != original_to_emails) || (new_cc_emails != original_cc_emails) || (new_bcc_emails != original_bcc_emails)
      s = "[Dojo #{Rails.env.to_s.titleize} Interceptor][original to: #{original_to_emails}"
      s << ", cc: #{original_cc_emails}" if original_cc_emails.present?
      s << ", bcc: #{original_bcc_emails}" if original_bcc_emails.present?
      s << "] #{message.subject}"
      message.subject = s
    end

    Rails.logger.info("Dojo Email Interceptor: original_to_emails: #{original_to_emails},
                                               original_cc_emails: #{original_cc_emails},
                                               original_bcc_emails: #{original_bcc_emails},
                                               new_to_emails: #{new_to_emails},
                                               new_cc_emails: #{new_cc_emails},
                                               new_bcc_emails: #{new_bcc_emails}")

    message.to = ["engineering+dojotest@alphacamp.co"] if message.to.blank?
    message
  end
end