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Contents
# frozen_string_literal: true
module Hyrax
module CustomQueries
# @example
# collection_type = Hyrax::CollectionType.find(1)
#
# Hyrax.custom_queries.find_collections_by_type(global_id: Hyrax::GlobalID(collection_type))
#
# @see https://github.com/samvera/valkyrie/wiki/Queries#custom-queries
class FindCollectionsByType
def self.queries
[:find_collections_by_type]
end
def initialize(query_service:)
@query_service = query_service
end
attr_reader :query_service
delegate :resource_factory, to: :query_service
##
# @note this is an unoptimized default implementation of this custom
# query. it's Hyrax's policy to provide such implementations of custom
# queries in use for cross-compatibility of Valkyrie query services.
# it's advisable to provide an optimized query for the specific adapter.
#
# @param global_id [GlobalID] global id for a Hyrax::CollectionType
#
# @return [Enumerable<PcdmCollection>]
def find_collections_by_type(global_id:)
query_service
.find_all_of_model(model: PcdmCollection)
.select { |collection| collection.collection_type_gid == global_id }
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems