Module: Cul::Hydra::Models::Resource
- Extended by:
- ActiveSupport::Concern
- Included in:
- Resource
- Defined in:
- app/models/concerns/cul/hydra/models/resource.rb
Constant Summary collapse
- IMAGE_MIME_TYPES =
constants #
[ 'image/bmp', 'image/gif', 'image/jpeg', 'image/png', 'image/tiff' ]
Instance Method Summary collapse
Instance Method Details
#add_content_blob(blob, opts) ⇒ Object
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# File 'app/models/concerns/cul/hydra/models/resource.rb', line 43 def add_content_blob(blob, opts) file_name = opts[:file_name] mime = opts[:mime_type].nil? ? mime_type(file_name) : opts[:mime_type] add_file_datastream(blob, :label=>file_name, :mimeType=>mime, :dsid => 'CONTENT') set_title_and_label( file_name, :only_if_blank=>true ) if IMAGE_MIME_TYPES.include? mime blob.rewind # retrieve Nokogiri of image property RDF image_properties = Cul::Image::Properties.identify(blob) if image_properties image_prop_nodes = image_properties.nodeset relsext = datastreams['RELS-EXT'] image_prop_nodes.each { |node| if node["resource"] is_literal = false object = RDF::URI.new(node["resource"]) else is_literal = true object = RDF::Literal(node.text) end subject = RDF::URI(internal_uri) predicate = RDF::URI("#{node.namespace.href}#{node.name}") query = RDF::Query.new({ :subject => {predicate => :object}}) relationships(predicate).dup.each { |stmt| relationships.delete(stmt) } add_relationship(predicate,object, is_literal) relationships_are_dirty=true } # add mimetype to DC:format values self.datastreams['DC'].update_values({[:format] => mime}) end end blob.rewind end |