Class: IiifPrint::Jobs::CreateRelationshipsJob

Inherits:
ApplicationJob
  • Object
show all
Includes:
Hyrax::Lockable
Defined in:
app/jobs/iiif_print/jobs/create_relationships_job.rb

Overview

Link newly created child works to the parent

Constant Summary collapse

RETRY_MAX = 
10

Instance Method Summary collapse

Instance Method Details

#perform(parent_id:, parent_model:, child_model:, retries: 0) ⇒ Object

Parameters:

  • parent_id: (<String>) —

    parent work id

  • parent_model: (<String>) —

    parent model

  • child_model: (<String>) —

    child model

  • retries: (<Integer>) (defaults to: 0) —

    count used during rescheduling to prevent infinite retries



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# File 'app/jobs/iiif_print/jobs/create_relationships_job.rb', line 14

def perform(parent_id:, parent_model:, child_model:, retries: 0, **)
  @parent_id = parent_id
  @parent_model = parent_model
  @child_model = child_model
  @retries = retries + 1

  @number_of_successes = 0
  @number_of_failures = 0
  @parent_record_members_added = false
  @errors = []

  # Because we need our children in the correct order, we can't create any
  # relationships until all child works have been created.
  if completed_child_data
    # add the members
    add_children_to_parent
    if @number_of_failures.zero? && @number_of_successes == @pending_children.count
      # remove pending relationships upon valid completion
      @pending_children.each(&:destroy)
    elsif @number_of_failures.zero? && @number_of_successes > @pending_children.count
      # remove pending relationships but raise error that too many relationships formed
      @pending_children.each(&:destroy)
      raise "CreateRelationshipsJob for parent id: #{@parent_id} " \
            "added #{@number_of_successes} children, " \
            "expected #{@pending_children.count} children."
    else
      # report failures & keep pending relationships
      raise "CreateRelationshipsJob failed for parent id: #{@parent_id} " \
            "had #{@number_of_successes} successes & #{@number_of_failures} failures, " \
            "with errors: #{@errors}. Wanted #{@pending_children.count} children."
    end
  else
    # if we aren't ready yet, reschedule the job and end this one normally
    reschedule_job
  end
end