Class: StatusCat::Checkers::DelayedJob

Inherits:
Base
  • Object
show all
Includes:
ActionView::Helpers::DateHelper
Defined in:
lib/status_cat/checkers/delayed_job.rb

Constant Summary

Constants inherited from Base

Base::FORMAT

Instance Attribute Summary

Attributes inherited from Base

#status, #value

Instance Method Summary collapse

Methods inherited from Base

class_to_name, #name, #to_s

Constructor Details

#initialize ⇒ DelayedJob

Returns a new instance of DelayedJob.



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# File 'lib/status_cat/checkers/delayed_job.rb', line 7

def initialize
  if !defined?( ::Delayed )
    @status = 'delayed_job gem not installed'
  else
    @status = fail_on_exception do
      sql = 'select count(*) from delayed_jobs where failed_at is null'
      result = ::ActiveRecord::Base.connection.execute( sql ).first
      @value = result.is_a?( Hash ) ? result[ 'count' ] : result[ 0 ]

      expires = 1.day.ago
      sql = "select count(*) from delayed_jobs where created_at < '#{expires.to_s( :db )}' and failed_at is null"
      result = ::ActiveRecord::Base.connection.execute( sql ).first
      value = result.is_a?( Hash ) ? result[ 'count' ] : result[ 0 ]

      ( value.to_i == 0 ) ? nil : "#{value} jobs more than #{time_ago_in_words( expires )} old"
    end
  end
end