Add new fields to the board list graphql endpoint

- add total_weight and issues_count
- update documentation
- update specs

app/graphql/types/board_list_type.rb

@@ -3,6 +3,8 @@
 module Types
   # rubocop: disable Graphql/AuthorizeTypes
   class BoardListType < BaseObject
+    include Gitlab::Utils::StrongMemoize
+
     graphql_name 'BoardList'
     description 'Represents a list for an issue board'
 
@@ -19,10 +21,31 @@ module Types
     field :collapsed, GraphQL::BOOLEAN_TYPE, null: true,
           description: 'Indicates if list is collapsed for this user',
           resolve: -> (list, _args, ctx) { list.collapsed?(ctx[:current_user]) }
+    field :issues_count, GraphQL::INT_TYPE, null: true,
+          description: 'Count of issues in the list'
 
     field :issues, ::Types::IssueType.connection_type, null: true,
           description: 'Board issues',
           resolver: ::Resolvers::BoardListIssuesResolver
+
+    def issues_count
+      metadata[:size]
+    end
+
+    def total_weight
+      metadata[:total_weight]
+    end
+
+    def metadata
+      strong_memoize(:metadata) do
+        list = self.object
+        user = context[:current_user]
+
+        Boards::Issues::ListService
+          .new(list.board.resource_parent, user, board_id: list.board_id, id: list.id)
+          .metadata
+      end
+    end
   end
   # rubocop: enable Graphql/AuthorizeTypes
 end

changelogs/unreleased/235106-board-list-graphql.yml

+---
+title: Add total_weight and issues_count fields to the board list graphQL endpoint
+merge_request: 39110
+author:
+type: added

doc/api/graphql/reference/gitlab_schema.graphql

@@ -1224,6 +1224,11 @@ type BoardList {
     last: Int
   ): IssueConnection
 
+  """
+  Count of issues in the list
+  """
+  issuesCount: Int
+
   """
   Label of the list
   """
@@ -1263,6 +1268,11 @@ type BoardList {
   Title of the list
   """
   title: String!
+
+  """
+  Total weight of all issues in the list
+  """
+  totalWeight: Int
 }
 
 """

doc/api/graphql/reference/gitlab_schema.json

@@ -3254,6 +3254,20 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "issuesCount",
+              "description": "Count of issues in the list",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "Int",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "label",
               "description": "Label of the list",
@@ -3373,6 +3387,20 @@
               },
               "isDeprecated": false,
               "deprecationReason": null
+            },
+            {
+              "name": "totalWeight",
+              "description": "Total weight of all issues in the list",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "Int",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
             }
           ],
           "inputFields": null,

doc/api/graphql/reference/index.md

@@ -207,6 +207,7 @@ Represents a list for an issue board
 | `assignee` | User | Assignee in the list |
 | `collapsed` | Boolean | Indicates if list is collapsed for this user |
 | `id` | ID! | ID (global ID) of the list |
+| `issuesCount` | Int | Count of issues in the list |
 | `label` | Label | Label of the list |
 | `limitMetric` | ListLimitMetric | The current limit metric for the list |
 | `listType` | String! | Type of the list |
@@ -215,6 +216,7 @@ Represents a list for an issue board
 | `milestone` | Milestone | Milestone of the list |
 | `position` | Int | Position of list within the board |
 | `title` | String! | Title of the list |
+| `totalWeight` | Int | Total weight of all issues in the list |
 
 ## BoardListCreatePayload
 

ee/app/graphql/ee/types/board_list_type.rb

@@ -16,6 +16,8 @@ module EE
               description: 'Assignee in the list'
         field :limit_metric, ::EE::Types::ListLimitMetricEnum, null: true,
               description: 'The current limit metric for the list'
+        field :total_weight, GraphQL::INT_TYPE, null: true,
+          description: 'Total weight of all issues in the list'
 
         def milestone
           ::Gitlab::Graphql::Loaders::BatchModelLoader.new(::Milestone, object.milestone_id).find

ee/spec/graphql/ee/types/board_list_type_spec.rb

@@ -4,7 +4,7 @@ require 'spec_helper'
 
 RSpec.describe GitlabSchema.types['BoardList'] do
   it 'has specific fields' do
-    expected_fields = %w[milestone max_issue_count max_issue_weight assignee]
+    expected_fields = %w[milestone max_issue_count max_issue_weight assignee total_weight]
 
     expect(described_class).to include_graphql_fields(*expected_fields)
   end

spec/graphql/types/board_list_type_spec.rb

@@ -6,7 +6,7 @@ RSpec.describe GitlabSchema.types['BoardList'] do
   specify { expect(described_class.graphql_name).to eq('BoardList') }
 
   it 'has specific fields' do
-    expected_fields = %w[id list_type position label issues]
+    expected_fields = %w[id list_type position label issues_count issues]
 
     expect(described_class).to include_graphql_fields(*expected_fields)
   end