Sha256: 6cd46e9e0f74fab88a971b0e1ce7158b7aa0030a98cdcdf634d8d4832b8c56fb
Contents?: true
Size: 1.47 KB
Versions: 8
Compression:
Stored size: 1.47 KB
Contents
# frozen_string_literal: true
class CharacterizeJob < Hyrax::ApplicationJob
queue_as Hyrax.config.ingest_queue_name
# Characterizes the file at 'filepath' if available, otherwise, pulls a copy from the repository
# and runs characterization on that file.
# @param [FileSet] file_set
# @param [String] file_id identifier for a Hydra::PCDM::File
# @param [String, NilClass] filepath the cached file within the Hyrax.config.working_path
def perform(file_set, file_id, filepath = nil)
raise "#{file_set.class.characterization_proxy} was not found for FileSet #{file_set.id}" unless file_set.characterization_proxy?
filepath = Hyrax::WorkingDirectory.find_or_retrieve(file_id, file_set.id) unless filepath && File.exist?(filepath)
characterize(file_set, file_id, filepath)
CreateDerivativesJob.perform_later(file_set, file_id, filepath)
end
private
def characterize(file_set, _file_id, filepath)
Hydra::Works::CharacterizationService.run(file_set.characterization_proxy, filepath)
Rails.logger.debug "Ran characterization on #{file_set.characterization_proxy.id} (#{file_set.characterization_proxy.mime_type})"
file_set.characterization_proxy.alpha_channels = channels(filepath) if file_set.image? && Hyrax.config.iiif_image_server?
file_set.characterization_proxy.save!
file_set.update_index
end
def channels(filepath)
ch = MiniMagick::Tool::Identify.new do |cmd|
cmd.format '%[channels]'
cmd << filepath
end
[ch]
end
end
Version data entries
8 entries across 8 versions & 1 rubygems