Allow get approvals on merge request by GraphQL in CE

app/graphql/types/merge_request_type.rb

@@ -152,6 +152,13 @@ module Types
     field :auto_merge_enabled, GraphQL::BOOLEAN_TYPE, null: false,
           description: 'Indicates if auto merge is enabled for the merge request'
 
+    field :approved_by, Types::UserType.connection_type, null: true,
+          description: 'Users who approved the merge request'
+
+    def approved_by
+      object.approved_by_users
+    end
+
     def diff_stats(path: nil)
       stats = Array.wrap(object.diff_stats&.to_a)
 

changelogs/unreleased/242285-approve-graphql-ce.yml

+---
+title: Allow get approvals on merge request by GraphQL in CE
+author: Pavel Kuznetsov
+merge_request: 43325
+type: add

ee/app/graphql/ee/types/merge_request_type.rb

@@ -12,12 +12,6 @@ module EE
               description: 'Number of approvals left'
         field :approvals_required, GraphQL::INT_TYPE, null: true,
               description: 'Number of approvals required'
-        field :approved_by, ::Types::UserType.connection_type, null: true,
-              description: 'Users who approved the merge request'
-
-        def approved_by
-          object.approved_by_users
-        end
       end
     end
   end

ee/spec/requests/api/graphql/project/merge_requests_spec.rb

@@ -33,23 +33,6 @@ RSpec.describe 'getting merge request listings (EE) nested in a project' do
     post_graphql(query, current_user: current_user)
   end
 
-  context 'when requesting `approved_by`' do
-    let(:search_params) { { iids: [merge_request_a.iid.to_s, merge_request_b.iid.to_s] } }
-    let(:extra_iid_for_second_query) { merge_request_c.iid.to_s }
-    let(:requested_fields) { query_graphql_field(:approved_by, nil, query_graphql_field(:nodes, nil, [:username])) }
-
-    it 'exposes approver username' do
-      merge_request_a.approved_by_users << current_user
-
-      execute_query
-
-      user_data = { 'username' => current_user.username }
-      expect(results).to include(a_hash_including('approvedBy' => { 'nodes' => array_including(user_data) }))
-    end
-
-    include_examples 'N+1 query check'
-  end
-
   context 'when requesting approval fields' do
     let(:search_params) { { iids: [merge_request_a.iid.to_s] } }
     let(:requested_fields) { [:approved, :approvals_left, :approvals_required] }

spec/graphql/types/merge_request_type_spec.rb

@@ -27,14 +27,13 @@ RSpec.describe GitlabSchema.types['MergeRequest'] do
       upvotes downvotes head_pipeline pipelines task_completion_status
       milestone assignees participants subscribed labels discussion_locked time_estimate
       total_time_spent reference author merged_at commit_count current_user_todos
-      conflicts auto_merge_enabled
+      conflicts auto_merge_enabled approved_by
     ]
 
     if Gitlab.ee?
       expected_fields << 'approved'
       expected_fields << 'approvals_left'
       expected_fields << 'approvals_required'
-      expected_fields << 'approved_by'
     end
 
     expect(described_class).to have_graphql_fields(*expected_fields)

spec/requests/api/graphql/project/merge_requests_spec.rb

@@ -172,6 +172,28 @@ RSpec.describe 'getting merge request listings nested in a project' do
     it_behaves_like 'searching with parameters'
   end
 
+  context 'when requesting `approved_by`' do
+    let(:search_params) { { iids: [merge_request_a.iid.to_s, merge_request_b.iid.to_s] } }
+    let(:extra_iid_for_second_query) { merge_request_c.iid.to_s }
+    let(:requested_fields) { query_graphql_field(:approved_by, nil, query_graphql_field(:nodes, nil, [:username])) }
+
+    def execute_query
+      query = query_merge_requests(requested_fields)
+      post_graphql(query, current_user: current_user)
+    end
+
+    it 'exposes approver username' do
+      merge_request_a.approved_by_users << current_user
+
+      execute_query
+
+      user_data = { 'username' => current_user.username }
+      expect(results).to include(a_hash_including('approvedBy' => { 'nodes' => array_including(user_data) }))
+    end
+
+    include_examples 'N+1 query check'
+  end
+
   describe 'fields' do
     let(:requested_fields) { nil }
     let(:extra_iid_for_second_query) { merge_request_c.iid.to_s }