app/graphql/resolvers/work_items/linked_items_resolver.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

# frozen_string_literal: true

module Resolvers
  module WorkItems
    class LinkedItemsResolver < BaseResolver
      prepend ::WorkItems::LookAheadPreloads

      alias_method :linked_items_widget, :object

      argument :filter, Types::WorkItems::RelatedLinkTypeEnum,
        required: false,
        description: "Filter by link type. " \
                     "Supported values: #{Types::WorkItems::RelatedLinkTypeEnum.values.keys.to_sentence}. " \
                     'Returns all types if omitted.'

      type Types::WorkItems::LinkedItemType.connection_type, null: true

      def resolve_with_lookahead(**args)
        apply_lookahead(related_work_items(args))
      end

      private

      def related_work_items(args)
        return WorkItem.none unless work_item.resource_parent.linked_work_items_feature_flag_enabled?

        offset_pagination(
          work_item.linked_work_items(authorize: false, link_type: args[:filter])
        )
      end

      def work_item
        linked_items_widget.work_item
      end
      strong_memoize_attr :work_item

      def node_selection(selection = lookahead)
        super.selection(:work_item)
      end
    end
  end
end