Sha256: 415936ca3e1c8ee45ef9079d771a1bf454b69ccf1d0289888b2a8c3e08e142e0
Contents?: true
Size: 1.62 KB
Versions: 22
Compression:
Stored size: 1.62 KB
Contents
module ActiveFedora
module WithMetadata
class MetadataNode < ActiveTriples::Resource
include ActiveModel::Dirty
attr_reader :file
def initialize(file)
@file = file
super(file.uri, ldp_source.graph)
end
def metadata_uri= uri
@metadata_uri = uri
end
def metadata_uri
@metadata_uri ||= if file.new_record?
::RDF::URI.new nil
else
raise "#{file} must respond_to described_by" unless file.respond_to? :described_by
file.described_by
end
end
def set_value(*args)
super
attribute_will_change! args.first
end
def ldp_source
@ldp_source ||= LdpResource.new(ldp_connection, metadata_uri)
end
def ldp_connection
ActiveFedora.fedora.connection
end
def save
raise "Save the file first" if file.new_record?
change_set = ChangeSet.new(self, self, changed_attributes.keys)
SparqlInsert.new(change_set.changes, ::RDF::URI.new(file.uri)).execute(metadata_uri)
@ldp_source = nil
true
end
class << self
def parent_class= parent
@parent_class = parent
end
def parent_class
@parent_class
end
def property(name, options)
parent_class.delegate name, :"#{name}=", :"#{name}_changed?", to: :metadata_node
super
end
def create_delegating_setter(name)
file.class.delegate(name, to: :metadata_node)
end
def exec_block(&block)
class_eval &block
end
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems