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Contents
module Hyrax
class DerivativePath
attr_reader :id, :destination_name
class << self
# Path on file system where derivative file is stored
# @param [ActiveFedora::Base or String] object either the AF object or its id
# @param [String] destination_name
def derivative_path_for_reference(object, destination_name)
new(object, destination_name).derivative_path
end
# @param [ActiveFedora::Base or String] object either the AF object or its id
# @return [Array<String>] Array of paths to derivatives for this object.
def derivatives_for_reference(object)
new(object).all_paths
end
end
# @param [ActiveFedora::Base, String] object either the AF object or its id
# @param [String] destination_name
def initialize(object, destination_name = nil)
@id = object.is_a?(String) ? object : object.id
@destination_name = destination_name.gsub(/^original_file_/, '') if destination_name
end
def derivative_path
"#{path_prefix}-#{file_name}"
end
def all_paths
Dir.glob(root_path.join("*")).select do |path|
path.start_with?(path_prefix.to_s)
end
end
private
# @return [String] Returns the root path where derivatives will be generated into.
def root_path
Pathname.new(derivative_path).dirname
end
# @return <Pathname> Full prefix of the path for object.
def path_prefix
Pathname.new(Hyrax.config.derivatives_path).join(pair_path)
end
def pair_path
id.split('').each_slice(2).map(&:join).join('/')
end
def file_name
return unless destination_name
destination_name + extension
end
def extension
case destination_name
when 'thumbnail'
".#{MIME::Types.type_for('jpg').first.extensions.first}"
else
".#{destination_name}"
end
end
end
end
Version data entries
55 entries across 55 versions & 1 rubygems