Class: Hyrax::GraphExporter

Inherits:
Object
  • Object
show all
Defined in:
app/services/hyrax/graph_exporter.rb

Overview

Retrieves the graph for an object with the internal triples removed and the uris translated to external uris.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(solr_document, request) ⇒ GraphExporter

Returns a new instance of GraphExporter.

Parameters:

  • solr_document (SolrDocument) —

    idea here is that in the future, ActiveFedora may serialize the object as JSON+LD

  • request (ActionDispatch::Request) —

    the http request context



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# File 'app/services/hyrax/graph_exporter.rb', line 7

def initialize(solr_document, request)
  @solr_document = solr_document
  @request = request
  @additional_resources = []
end

Instance Attribute Details

#additional_resources ⇒ Object (readonly)

Returns the value of attribute additional_resources.



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# File 'app/services/hyrax/graph_exporter.rb', line 13

def additional_resources
  @additional_resources
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'app/services/hyrax/graph_exporter.rb', line 13

def request
  @request
end

#solr_document ⇒ Object (readonly)

Returns the value of attribute solr_document.



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# File 'app/services/hyrax/graph_exporter.rb', line 13

def solr_document
  @solr_document
end

Instance Method Details

#fetch ⇒ RDF::Graph

Returns:

  • (RDF::Graph) 


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# File 'app/services/hyrax/graph_exporter.rb', line 16

def fetch
  clean_graph_repository.find(solr_document.id).tap do |g|
    additional_resources.uniq.each do |stmt|
      g << stmt
    end
  end
rescue Ldp::NotFound
  # this error is handled with a 404 page.
  raise ActiveFedora::ObjectNotFoundError
end