Module: OpenBEL::Nanopub::FacetFilter

Included in:
NanopubFacets, Routes::Datasets, Routes::Nanopubs
Defined in:
lib/openbel/api/nanopub/facet_filter.rb

Constant Summary collapse

EMPTY = 
[]
NANOPUB_PARTS = 
[:citation, :experiment_context, :metadata]

Instance Method Summary collapse

Instance Method Details

#make_filter(category, name, value) ⇒ Object 



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# File 'lib/openbel/api/nanopub/facet_filter.rb', line 74

def make_filter(category, name, value)
  {
    :category => category,
    :name     => name,
    :value    => value
  }
end

#map_citation_facets(citation) ⇒ Object 



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# File 'lib/openbel/api/nanopub/facet_filter.rb', line 18

def map_citation_facets(citation)
  if citation and citation.id
    [
      self.make_filter(:citation, :id, citation.id)
    ]
  else
    EMPTY
  end
end

#map_experiment_context_facets(experiment_context) ⇒ Object 



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# File 'lib/openbel/api/nanopub/facet_filter.rb', line 28

def map_experiment_context_facets(experiment_context)
  if experiment_context
    experiment_context.flat_map { |annotation|
      name  = annotation[:name]
      value = annotation[:value]
      if value.respond_to?(:each)
        value.map { |v|
          [:experiment_context, name, v]
        }
      else
        # HACK: nested array will be flattened out by flat_map;
        # otherwise we would have each data value unrolled
        [[:experiment_context, name, value]]
      end
    }.select { |(_, _, value)|
      value != nil
    }.map { |filter|
      self.make_filter(*filter)
    }
  else
    EMPTY
  end
end

#map_metadata_facets(metadata) ⇒ Object 



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# File 'lib/openbel/api/nanopub/facet_filter.rb', line 52

def map_metadata_facets(metadata)
  if metadata
    metadata.flat_map { |name, value|
      if value.respond_to?(:each)
        value.map { |v|
          [:metadata, name, v]
        }
      else
        # HACK: nested array will be flattened out by flat_map;
        # otherwise we would have each data value unrolled
        [[:metadata, name, value]]
      end
    }.select { |_, _, value|
      value != nil
    }.map { |filter|
      self.make_filter(*filter)
    }
  else
    EMPTY
  end
end

#map_nanopub_facets(nanopub) ⇒ Object 



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# File 'lib/openbel/api/nanopub/facet_filter.rb', line 10

def map_nanopub_facets(nanopub)
  NANOPUB_PARTS.reduce([]) { |facets, nanopub_part|
    part = nanopub.send(nanopub_part)
    new_facets = self.send(:"map_#{nanopub_part}_facets", part)
    facets.concat(new_facets)
  }
end