Class: Hyrax::SolrQueryBuilderService

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

Overview

Methods in this class are from/based on ActiveFedora::SolrQueryBuilder

Class Method Summary collapse

Class Method Details

.construct_query(field_pairs, join_with = default_join_with, type = 'field') ⇒ String

Construct a solr query from a list of pairs (e.g. [field name, values])

Examples:

construct_query([['library_id_ssim', '123'], ['owner_ssim', 'Fred']])
# => "_query_:\"{!field f=library_id_ssim}123\" AND _query_:\"{!field f=owner_ssim}Fred\""



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# File 'app/services/hyrax/solr_query_builder_service.rb', line 24

def construct_query(field_pairs, join_with = default_join_with, type = 'field')
  clauses = pairs_to_clauses(field_pairs, type)
  return "" if clauses.count.zero?
  return clauses.first if clauses.count == 1
  "(#{clauses.join(join_with)})"
end

.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



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# File 'app/services/hyrax/solr_query_builder_service.rb', line 10

def construct_query_for_ids(id_array)
  ids = id_array.reject(&:blank?)
  return "id:NEVER_USE_THIS_ID" if ids.empty?
  "{!terms f=#{Hyrax.config.id_field}}#{ids.join(',')}"
end

.default_join_with ⇒ Object 



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# File 'app/services/hyrax/solr_query_builder_service.rb', line 31

def default_join_with
  ' AND '
end