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Contents
# frozen_string_literal: true
module Hyrax
module Dashboard
# Responsible for searching for collections of the same type that are not the given collection
class NestedCollectionsSearchBuilder < ::Hyrax::CollectionSearchBuilder
# @param access [Symbol] :edit, :read, :discover - With the given :access what all can
# @param collection [::Collection]
# @param scope [Object] Typically a controller that responds to #current_ability, #blackligh_config
# @param nest_direction [Symbol] (:as_parent or :as_child) the direction we are adding nesting to this collection
def initialize(access:, collection:, scope:, nest_direction:)
super(scope)
@collection = collection
@discovery_permissions = extract_discovery_permissions(access)
@nest_direction = nest_direction
end
# Override for Hydra::AccessControlsEnforcement
attr_reader :discovery_permissions
self.default_processor_chain += [:with_pagination, :show_only_other_collections_of_the_same_collection_type]
def with_pagination(solr_parameters)
solr_parameters[:rows] = 1000
end
# Solr can do graph traversal without the need of special indexing with the Graph query parser so
# use this to compute both the parents and children of the current collection then exclude them
# See https://solr.apache.org/guide/solr/latest/query-guide/other-parsers.html#graph-query-parser
def show_only_other_collections_of_the_same_collection_type(solr_parameters)
solr_parameters[:fq] ||= []
solr_parameters[:fq] += [
Hyrax::SolrQueryBuilderService.construct_query(Hyrax.config.collection_type_index_field => @collection.collection_type_gid),
"-{!graph from=id to=member_of_collection_ids_ssim#{' maxDepth=1' if @nest_direction == :as_parent}}id:#{@collection.id}",
"-{!graph to=id from=member_of_collection_ids_ssim#{' maxDepth=1' if @nest_direction == :as_child}}id:#{@collection.id}"
]
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems