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Contents
# frozen_string_literal: true
module Hyrax
class PersistDerivatives < Hydra::Derivatives::PersistOutputFileService
# Persists a derivative to the local file system.
# This Service conforms to the signature of `Hydra::Derivatives::PersistOutputFileService`.
# This service is an alternative to the default Hydra::Derivatives::PersistOutputFileService.
# This service will always update existing and does not do versioning of persisted files.
#
# @param [#read] stream the derivative filestream
# @param [Hash] directives
# @option directives [String] :url a url to the file destination
def self.call(stream, directives)
output_file(directives) do |output|
IO.copy_stream(stream, output)
end
end
# Open the output file to write and yield the block to the
# file. It makes the directories in the path if necessary.
def self.output_file(directives, &blk)
raise ArgumentError, "No :url was provided in the transcoding directives" unless directives.key?(:url)
uri = URI(directives.fetch(:url))
raise ArgumentError, "Must provide a file uri" unless uri.scheme == 'file'
output_file_dir = File.dirname(uri.path)
FileUtils.mkdir_p(output_file_dir) unless File.directory?(output_file_dir)
File.open(uri.path, 'wb', &blk)
end
##
# @deprecated
def self.derivative_path_factory
Deprecation.warn("Use 'Hyrax::DerivativePath' instead.")
DerivativePath
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems