Module: QcReport::StateMachine

Included in:
QcReport
Defined in:
app/models/qc_report.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object


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# File 'app/models/qc_report.rb', line 15

def self.included(base)
  base.class_eval do
    # When adding new states, please make sure you update the config/locals/en.yml file
    # with decriptions.

    aasm column: :state, whiny_persistence: true do
      # A report has just been created and is awaiting processing. There is probably a corresponding delayed job
      state :queued, initial: true

      # A report has failed one or more times. Generally this means there is a problem.
      state :requeued

      # The report has been picked up by the delayed job. Entry into this state triggers building.
      state :generating, after_enter: :generate_report

      # The report has been generated and is awaiting customer feedback
      state :awaiting_proceed

      # Customer feedback has been uploaded. This is generally an end state, but a report can be re-uploaded
      # at a later date if necessary.
      state :complete

      # Triggered automatically on after_create. This event is handled via
      # schedule_report, which creates a delayed job. It can be called manually.
      event :generate do
        transitions from: [:queued, :requeued], to: :generating
      end

      # Called on report failure. Generally the delayed job will cycle it through a few times
      # but most reports in this state will require manual intervention.
      event :requeue do
        transitions from: :generating, to: :requeued
      end

      # Called automatically when a report is generated
      event :generation_complete do
        transitions from: :generating, to: :awaiting_proceed
      end

      # A QC report might be uploaded multiple times
      event :proceed_decision do
        transitions from: [:complete, :awaiting_proceed], to: :complete
      end
    end

    def available?
      awaiting_proceed? or complete?
    end

    extend ClassMethods
  end
end