# messages_controller.rb
require 'zendesk'

class MessagesController < ApplicationController
  layout "application"

  # /suport/contact-us
  def contact_us
    zendesk = MyApp::Zendesk.new
    zendesk.delay.create_support_ticket(params[:message])

    # render page
    respond_to do |format|
      flash[:notice] = "Email sent successfully!" if @sent
      format.html { render "pages/support/contact-us" }
    end
  end
end

# zendesk.rb
require 'zendesk_api'

module MyApp
  class Zendesk
    attr_accessor :client

    def initialize(*args)
      @client = create_client
    end

    # contact-us ticket methods
    def create_support_ticket(params={})
      unless params.blank? || @client.blank?
        # get or create user_id for submitter
        params[:requester_id] = check_user_exists(params)

        begin
          ticket = @client.tickets.create(
            subject: "Support Ticket",
            comment: { value: params[:message] },
            submitter_id: params[:requester_id],
            requester_id: params[:requester_id],
            assignee_id: 201578811,
            status: "new",
            fields: [
              {id: 20887016, value: "Support"},
              {id: 20966436, value: "New"}])
          return ticket
        rescue => e
          Airbrake.notify e
        end
      else
        return false
      end
    end
  end
end

Delayed::DeserializationError: Job failed to load: undefined class/module MyApp::. Handler: "--- !ruby/object:Delayed::PerformableMethodnobject: !ruby/object:MyApp::Zendeskn  client: !ruby/object:ZendeskAPI::Clientn    config: !ruby/object:ZendeskAPI::Configurationn      client_options: {}n      cache: !ruby/object:ZendeskAPI::LRUCachen        size: 1000n        store: {}n        lru: []n      url: https://REDACTED/api/v2n      username: REDACTEDn      password: REDACTED      retry: truen      logger: !ruby/object:Loggern        progname: n        level: 0n        default_formatter: !ruby/object:Logger::Formattern          datetime_format: n        formatter: n        logdev: !ruby/object:Logger::LogDevicen          shift_size: n          shift_age: n          filename: n          dev: !ruby/object:IO {}n          mutex: !ruby/object:Logger::LogDevice::LogDeviceMutexn            mon_owner: n            mon_count: 0n            mon_mutex: !ruby/object:Mutex {}n    callbacks:n    - !ruby/object:Proc {}n    resource_cache: {}nmethod_name: :create_support_ticketnargs:n- !ruby/hash:ActionController::Parametersn  name: benn  email: myemail@aol.comn  reason: Generaln  message: testn"
        from /vendor/bundler/gems/delayed_job-4.0.0/lib/delayed/backend/base.rb:97:in `rescue in payload_object'

def create_support_ticket(params={})
  @client = create_client
  unless params.blank? || @client.blank?
  ...
end