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Contents
module PublishMyData
class ConceptScheme
include Tripod::Resource
include AllFeatures
rdf_type RDF::SKOS.ConceptScheme
deprecated_rdf_type 'http://publishmydata.com/def/concept-scheme#DeprecatedConceptScheme'
def self.uri_from_slug(slug)
"http://#{PublishMyData.local_domain}/def/#{slug}"
end
def concepts
@concepts ||= Concept.find_by_sparql(
"SELECT DISTINCT ?uri ?graph
WHERE {
GRAPH ?graph {
?uri <#{RDF::SKOS.inScheme.to_s}> <#{self.uri}> .
?uri a <#{RDF::SKOS.Concept.to_s}> .
}
}"
)
end
def concepts_sorted
ConceptScheme.sort_by_label_or_uri(concepts)
end
def local?
true
end
def eager_load!
super
self.concepts.each{|c| c.eager_load!}
end
# Overrides
['to_rdf', 'to_ttl', 'to_nt', 'to_json'].each do |method_name|
define_method method_name do |opts={}|
resources = Resource.find_by_sparql("
SELECT DISTINCT ?uri
WHERE {
{ SELECT ?uri WHERE { GRAPH <#{self.graph_uri}> {?uri ?p ?o} } }
UNION
{ SELECT ?uri WHERE { GRAPH <#{self.data_graph_uri}> {?uri ?p ?o} } }
}
")
Tripod::ResourceCollection.new(resources).send(method_name)
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems