gitlab-org--gitlab-foss/app/graphql/resolvers/merge_requests_resolver.rb

48 lines
1.4 KiB
Ruby

# frozen_string_literal: true
module Resolvers
class MergeRequestsResolver < BaseResolver
argument :iid, GraphQL::STRING_TYPE,
required: false,
description: 'IID of the merge request, for example `1`'
argument :iids, [GraphQL::STRING_TYPE],
required: false,
description: 'Array of IIDs of merge requests, for example `[1, 2]`'
type Types::MergeRequestType, null: true
alias_method :project, :object
def resolve(**args)
project = object.respond_to?(:sync) ? object.sync : object
return MergeRequest.none if project.nil?
args[:iids] ||= [args[:iid]].compact
if args[:iids].any?
batch_load_merge_requests(args[:iids])
else
args[:project_id] = project.id
MergeRequestsFinder.new(context[:current_user], args).execute
end
end
def batch_load_merge_requests(iids)
iids.map { |iid| batch_load(iid) }.select(&:itself) # .compact doesn't work on BatchLoader
end
# rubocop: disable CodeReuse/ActiveRecord
def batch_load(iid)
BatchLoader::GraphQL.for(iid.to_s).batch(key: project) do |iids, loader, args|
arg_key = args[:key].respond_to?(:sync) ? args[:key].sync : args[:key]
arg_key.merge_requests.where(iid: iids).each do |mr|
loader.call(mr.iid.to_s, mr)
end
end
end
# rubocop: enable CodeReuse/ActiveRecord
end
end