Delayed job view and controller

delayed_jobs_controller.rb

class Admin::DelayedJobsController < AdminController
  
  # GET /admin/delayed_jobs
  def index
    @delayed_jobs = Delayed::Backend::Mongoid::Job.desc(:created_at)
      .paginate :page => params[:page], :per_page => 20
  end

end

index.html.haml

%h1 Delayed Jobs

= render :partial => "shared/pagination", locals: { items: @delayed_jobs }

%table
  %tr
    %th.small Priority
    %th.small Attempts
    %th.large Job
    %th.medium When
    %th.medium Locked
  - @delayed_jobs.each do |delayed_job|
    %tr{ failed: delayed_job.failed_at, failing: delayed_job.last_error && ! delayed_job.failed_at }
      %td.small= "#{delayed_job.priority}"
      %td.small= "#{delayed_job.attempts}"
      %td.large
        - if delayed_job.last_error
          %div.input.inputs_form
            = link_to "Error".html_safe, "javascript:return false;", :class => "more"
            %div.inputs
              %ul.error
                = "Failed #{time_ago_in_words(delayed_job.failed_at || delayed_job.run_at)} with '#{delayed_job.last_error}'"
        %div.input.inputs_form
          = link_to "Details".html_safe, "javascript:return false;", :class => "more"
          %div.inputs
            %ul
              = "#{delayed_job.handler}" 
      %td.medium
        - if delayed_job.run_at
          = "scheduled to run #{time_ago_in_words(delayed_job.run_at)} ago"
      %td.medium
        - if delayed_job.locked_at 
          = "locked #{time_ago_in_words(delayed_job.locked_at)} by #{delayed_job.locked_by}"