Module: ActiveFedora::SolrQueryBuilder

Defined in:
lib/active_fedora/solr_query_builder.rb

Class Method Summary collapse

Class Method Details

.construct_query_for_ids(id_array) ⇒ Object

Construct a solr query for a list of ids This is used to get a solr response based on the list of ids in an object’s RELS-EXT relationhsips If the id_array is empty, defaults to a query of “id:NEVER_USE_THIS_ID”, which will return an empty solr response

Parameters:

  • id_array (Array) —

    the ids that you want included in the query



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# File 'lib/active_fedora/solr_query_builder.rb', line 7

def self.construct_query_for_ids(id_array)
  q = id_array.reject { |x| x.blank? }.map { |id| raw_query(SOLR_DOCUMENT_ID, id) }
  q.empty? ? "id:NEVER_USE_THIS_ID" : q.join(" OR ".freeze)
end

.construct_query_for_rel(field_pairs, join_with = 'AND') ⇒ Object

Create a query with a clause for each key, value

Examples:

construct_query_for_rel [[:has_model, "info:fedora/afmodel:ComplexCollection"], [:has_model, "info:fedora/afmodel:ActiveFedora_Base"]], 'OR'
# => _query_:"{!raw f=has_model_ssim}info:fedora/afmodel:ComplexCollection" OR _query_:"{!raw f=has_model_ssim}info:fedora/afmodel:ActiveFedora_Base"

construct_query_for_rel [[Book.reflect_on_association(:library), "foo/bar/baz"]]

Parameters:

  • args (Hash, Array<Array<String>>) —

    key is the predicate, value is the target_uri

  • join_with (String) (defaults to: 'AND') —

    (‘AND’) the value we’re joining the clauses with



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# File 'lib/active_fedora/solr_query_builder.rb', line 31

def self.construct_query_for_rel(field_pairs, join_with = 'AND')
  field_pairs = field_pairs.to_a if field_pairs.kind_of? Hash

  clauses = pairs_to_clauses(field_pairs.reject { |_, target_uri| target_uri.blank? })
  clauses.empty? ? "id:NEVER_USE_THIS_ID" : clauses.join(" #{join_with} ".freeze)
end

.raw_query(key, value) ⇒ Object

Create a raw query clause suitable for sending to solr as an fq element

Parameters:

  • key (String)
  • value (String) 


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# File 'lib/active_fedora/solr_query_builder.rb', line 15

def self.raw_query(key, value)
  "_query_:\"{!raw f=#{key}}#{value.gsub('"', '\"')}\""
end

.solr_name(*args) ⇒ Object 



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# File 'lib/active_fedora/solr_query_builder.rb', line 19

def self.solr_name(*args)
  Solrizer.default_field_mapper.solr_name(*args)
end