Class: CreateDerivativesJob

Inherits:
Hyrax::ApplicationJob show all
Defined in:
app/jobs/create_derivatives_job.rb

Instance Method Summary collapse

Instance Method Details

#parent_needs_reindex?(file_set) ⇒ Boolean

If this file_set is the thumbnail for the parent work, then the parent also needs to be reindexed.

Returns:

  • (Boolean) 


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# File 'app/jobs/create_derivatives_job.rb', line 24

def parent_needs_reindex?(file_set)
  return false unless file_set.parent
  file_set.parent.thumbnail_id == file_set.id
end

#perform(file_set, file_id, filepath = nil) ⇒ Object

Parameters:

  • file_set (FileSet)
  • file_id (String) —

    identifier for a Hydra::PCDM::File

  • filepath (String, NilClass) (defaults to: nil) —

    the cached file within the Hyrax.config.working_path



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# File 'app/jobs/create_derivatives_job.rb', line 8

def perform(file_set, file_id, filepath = nil)
  return if file_set.video? && !Hyrax.config.enable_ffmpeg

  # Ensure a fresh copy of the repo file's latest version is being worked on, if no filepath is directly provided
  filepath = Hyrax::WorkingDirectory.copy_repository_resource_to_working_directory(Hydra::PCDM::File.find(file_id), file_set.id) unless filepath && File.exist?(filepath)

  file_set.create_derivatives(filepath)

  # Reload from Fedora and reindex for thumbnail and extracted text
  file_set.reload
  file_set.update_index
  file_set.parent.update_index if parent_needs_reindex?(file_set)
end