Merge branch '22065-group-members-api-returning-null-user-details' into 'master'

Ensure invitees are not returned in Members API

## What are the relevant issue numbers?

Closes #22065

See merge request !6370

CHANGELOG

@@ -15,6 +15,7 @@ v 8.12.0 (unreleased)
   - Update gitlab shell secret file also when it is empty. !3774 (glensc)
   - Give project selection dropdowns responsive width, make non-wrapping.
   - Make push events have equal vertical spacing.
+  - API: Ensure invitees are not returned in Members API.
   - Add two-factor recovery endpoint to internal API !5510
   - Pass the "Remember me" value to the U2F authentication form
   - Only update projects.last_activity_at once per hour when creating a new event

lib/api/access_requests.rb

@@ -20,7 +20,7 @@ module API
 
           access_requesters = paginate(source.requesters.includes(:user))
 
-          present access_requesters.map(&:user), with: Entities::AccessRequester, access_requesters: access_requesters
+          present access_requesters.map(&:user), with: Entities::AccessRequester, source: source
         end
 
         # Request access to the group/project

lib/api/entities.rb

@@ -105,18 +105,18 @@ module API
 
     class Member < UserBasic
       expose :access_level do |user, options|
-        member = options[:member] || options[:members].find { |m| m.user_id == user.id }
+        member = options[:member] || options[:source].members.find_by(user_id: user.id)
         member.access_level
       end
       expose :expires_at do |user, options|
-        member = options[:member] || options[:members].find { |m| m.user_id == user.id }
+        member = options[:member] || options[:source].members.find_by(user_id: user.id)
         member.expires_at
       end
     end
 
     class AccessRequester < UserBasic
       expose :requested_at do |user, options|
-        access_requester = options[:access_requester] || options[:access_requesters].find { |m| m.user_id == user.id }
+        access_requester = options[:access_requester] || options[:source].requesters.find_by(user_id: user.id)
         access_requester.requested_at
       end
     end

lib/api/members.rb

@@ -18,11 +18,11 @@ module API
         get ":id/members" do
           source = find_source(source_type, params[:id])
 
-          members = source.members.includes(:user)
-          members = members.joins(:user).merge(User.search(params[:query])) if params[:query]
-          members = paginate(members)
+          users = source.users
+          users = users.merge(User.search(params[:query])) if params[:query]
+          users = paginate(users)
 
-          present members.map(&:user), with: Entities::Member, members: members
+          present users, with: Entities::Member, source: source
         end
 
         # Get a group/project member

spec/requests/api/members_spec.rb

@@ -30,18 +30,27 @@ describe API::Members, api: true  do
         let(:route) { get api("/#{source_type.pluralize}/#{source.id}/members", stranger) }
       end
 
-      context 'when authenticated as a non-member' do
-        %i[access_requester stranger].each do |type|
-          context "as a #{type}" do
+      %i[master developer access_requester stranger].each do |type|
+        context "when authenticated as a #{type}" do
           it 'returns 200' do
             user = public_send(type)
             get api("/#{source_type.pluralize}/#{source.id}/members", user)
 
             expect(response).to have_http_status(200)
             expect(json_response.size).to eq(2)
+            expect(json_response.map { |u| u['id'] }).to match_array [master.id, developer.id]
           end
         end
       end
+
+      it 'does not return invitees' do
+        create(:"#{source_type}_member", invite_token: '123', invite_email: 'test@abc.com', source: source, user: nil)
+
+        get api("/#{source_type.pluralize}/#{source.id}/members", developer)
+
+        expect(response).to have_http_status(200)
+        expect(json_response.size).to eq(2)
+        expect(json_response.map { |u| u['id'] }).to match_array [master.id, developer.id]
       end
 
       it 'finds members with query string' do