Add up/down votes for GraphQL epic query

and changelog

changelogs/unreleased/11506-add-additional-attributes-and-arguments-for-the-graphql-epic-query.yml

+---
+title: Add upvote/downvotes attributes to GraphQL Epic query
+merge_request: 14311
+author:
+type: added

doc/api/graphql/reference/gitlab_schema.graphql

@@ -1230,6 +1230,11 @@ type Epic implements Noteable {
     """
     last: Int
   ): DiscussionConnection!
+
+  """
+  Number of downvotes the epic has received
+  """
+  downvotes: Int!
   dueDate: Time
   dueDateFixed: Time
   dueDateFromMilestones: Time
@@ -1360,6 +1365,11 @@ type Epic implements Noteable {
   title: String
   updatedAt: Time
 
+  """
+  Number of upvotes the epic has received
+  """
+  upvotes: Int!
+
   """
   Permissions for the current user on the resource
   """

doc/api/graphql/reference/gitlab_schema.json

@@ -3603,6 +3603,24 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "downvotes",
+              "description": "Number of downvotes the epic has received",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "Int",
+                  "ofType": null
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "dueDate",
               "description": null,
@@ -4154,6 +4172,24 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "upvotes",
+              "description": "Number of upvotes the epic has received",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "Int",
+                  "ofType": null
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "userPermissions",
               "description": "Permissions for the current user on the resource",

doc/api/graphql/reference/index.md

@@ -211,6 +211,8 @@ The API can be explored interactively using the [GraphiQL IDE](../index.md#graph
 | `dueDateIsFixed` | Boolean |  |
 | `dueDateFixed` | Time |  |
 | `dueDateFromMilestones` | Time |  |
+| `upvotes` | Int! | Number of upvotes the epic has received |
+| `downvotes` | Int! | Number of downvotes the epic has received |
 | `closedAt` | Time |  |
 | `createdAt` | Time |  |
 | `updatedAt` | Time |  |

ee/app/graphql/types/epic_type.rb

@@ -38,6 +38,9 @@ module Types
     field :due_date_fixed, Types::TimeType, null: true, authorize: :admin_epic # rubocop:disable Graphql/Descriptions
     field :due_date_from_milestones, Types::TimeType, null: true, authorize: :admin_epic # rubocop:disable Graphql/Descriptions
 
+    field :upvotes, GraphQL::INT_TYPE, null: false, description: 'Number of upvotes the epic has received'
+    field :downvotes, GraphQL::INT_TYPE, null: false, description: 'Number of downvotes the epic has received'
+
     field :closed_at, Types::TimeType, null: true # rubocop:disable Graphql/Descriptions
     field :created_at, Types::TimeType, null: true # rubocop:disable Graphql/Descriptions
     field :updated_at, Types::TimeType, null: true # rubocop:disable Graphql/Descriptions

ee/spec/graphql/types/epic_type_spec.rb

@@ -11,7 +11,7 @@ describe GitlabSchema.types['Epic'] do
       closed_at created_at updated_at children has_children has_issues
       web_path web_url relation_path reference issues user_permissions
       notes discussions relative_position subscribed participants
-      descendant_counts
+      descendant_counts upvotes downvotes
     ]
   end
 

ee/spec/requests/api/graphql/group/epics_spec.rb

@@ -24,6 +24,8 @@ describe 'Epics through GroupQuery' do
           id
           iid
           title
+          upvotes
+          downvotes
           userPermissions {
             adminEpic
           }
@@ -70,6 +72,18 @@ describe 'Epics through GroupQuery' do
         expect_array_response([epic2.to_global_id.to_s, epic.to_global_id.to_s])
       end
 
+      it 'has upvote/downvote information' do
+        create(:award_emoji, name: 'thumbsup', awardable: epic, user: user )
+        create(:award_emoji, name: 'thumbsdown', awardable: epic2, user: user )
+
+        post_graphql(query, current_user: user)
+
+        expect(epic_node_array).to contain_exactly(
+          a_hash_including('upvotes' => 1, 'downvotes' => 0),
+          a_hash_including('upvotes' => 0, 'downvotes' => 1)
+        )
+      end
+
       describe 'can admin epics' do
         context 'when permission is absent' do
           it 'returns false for adminEpic' do