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# frozen_string_literal: true
module Resolvers
class LabelsResolver < BaseResolver
include Gitlab::Graphql::Authorize::AuthorizeResource
authorize :read_label
type Types::LabelType.connection_type, null: true
argument :title, GraphQL::Types::String,
required: false,
description: 'Exact match on title. Cannot be used with `searchTerm`. ' \
'`searchIn` will be ignored if `title` argument is provided.'
argument :search_term, GraphQL::Types::String,
required: false,
description: 'Search term to find labels with.'
argument :search_in, [Types::Issuables::Labels::SearchFieldListEnum],
default_value: [:title, :description],
description: 'Specify which fields to search in. Ignored if using `title`.'
argument :include_ancestor_groups, GraphQL::Types::Boolean,
required: false,
description: 'Include labels from ancestor groups.',
default_value: false
before_connection_authorization do |nodes, current_user|
Preloaders::LabelsPreloader.new(nodes, current_user).preload_all
end
validates mutually_exclusive: [:search_term, :title]
def resolve(**args)
return Label.none if parent.nil?
authorize!(parent)
# LabelsFinder uses `search` param, so we transform `search_term` into `search`
args[:search] = args.delete(:search_term)
# If `title` is used, remove `search_in`
args.delete(:search_in) if args[:title]
# Optimization:
# Rely on the LabelsPreloader rather than the default parent record preloading in the
# finder because LabelsPreloader preloads more associations which are required for the
# permission check.
LabelsFinder.new(current_user, parent_param.merge(args)).execute
end
private
def parent
object.respond_to?(:sync) ? object.sync : object
end
def parent_param
key = case parent
when Group then :group
when Project then :project
else raise "Unexpected parent type: #{parent.class}"
end
{ "#{key}": parent }
end
end
end
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