Job Rails to generate excel reports with Axlsx

spreadsheet_job.rb

require 'axlsx'

class SpreadsheetJob < ApplicationJob
  queue_as :reports

  def perform(*args)
    @timestamp = args[0]['timestamp']

    create_report
    create_spreadsheet
  end

  private

  def create_report
    Report.create(timestamp: @timestamp)
  end

  def create_spreadsheet
    path = Rails.root.join('public', 'reports')
    view_assigns = { jobs: Job.all }
    av = ActionView::Base.new(ActionController::Base.view_paths, view_assigns)
    
    av.class_eval do
      include ApplicationHelper
    end
    
    content = av.render template: 'admin/jobs/index.xlsx.axlsx'

    File.open(File.join(path, "#{@timestamp}_report_job.xlsx"), "w+b") { |f| f.write content }
    
    update_report
  end

  def update_report
    report = Report.find_by(timestamp: @timestamp)
    
    report.update(status: 'ready') if report
    logger.fatal 'Report was update!'
  end

end