Fix voted for delegation

The old version used the meeting_user_id as user_id

Fixes OpenSlides#223

vote/vote.go

@@ -397,12 +397,23 @@ func delegatedUserIDs(ctx context.Context, fetch *dsfetch.Fetch, userID int) ([]
 		return nil, fmt.Errorf("getting vote_delegation_from values: %w", err)
 	}
 
-	var uids []int
-	for _, muids := range meetingUserDelegationsIDs {
-		uids = append(uids, muids...)
+	var delegatedMeetingUserIDs []int
+	for i := range meetingUserDelegationsIDs {
+		for j := range meetingUserDelegationsIDs[i] {
+			delegatedMeetingUserIDs = append(delegatedMeetingUserIDs, meetingUserDelegationsIDs[i][j])
+		}
+	}
+
+	userIDs := make([]int, len(delegatedMeetingUserIDs))
+	for i := range delegatedMeetingUserIDs {
+		fetch.MeetingUser_UserID(delegatedMeetingUserIDs[i]).Lazy(&userIDs[i])
+	}
+
+	if err := fetch.Execute(ctx); err != nil {
+		return nil, fmt.Errorf("getting user_ids from meeting_user_ids: %w", err)
 	}
 
-	return uids, nil
+	return userIDs, nil
 }
 
 // Voted tells, on which the requestUser has already voted.

vote/vote_test.go

@@ -1257,23 +1257,29 @@ func TestVotedPollsWithDelegation(t *testing.T) {
 
 	user/5:
 		meeting_user_ids: [10]
-	meeting_user/10:
-		meeting_id: 8
-		vote_delegations_from_ids: [11,12]
+	meeting_user:
+		10:
+			meeting_id: 8
+			vote_delegations_from_ids: [11]
+		11:
+			user_id: 6
+		12:
+			user_id: 7
+		
 	`))
 
 	backend.Start(ctx, 1)
 	backend.Vote(ctx, 1, 5, []byte(`"Y"`))
-	backend.Vote(ctx, 1, 10, []byte(`"Y"`))
-	backend.Vote(ctx, 1, 11, []byte(`"Y"`))
+	backend.Vote(ctx, 1, 6, []byte(`"Y"`))
+	backend.Vote(ctx, 1, 7, []byte(`"Y"`))
 	v, _, _ := vote.New(ctx, backend, backend, ds, true)
 
 	got, err := v.Voted(ctx, []int{1, 2}, 5)
 	if err != nil {
 		t.Fatalf("Voted() returned unexected error: %v", err)
 	}
 
-	expect := map[int][]int{1: {5, 11}, 2: nil}
+	expect := map[int][]int{1: {5, 6}, 2: nil}
 	if !reflect.DeepEqual(got, expect) {
 		t.Errorf("Voted() == `%v`, expected `%v`", got, expect)
 	}