fix

internal/services/team_service/service.go

@@ -125,6 +125,9 @@ func registrationEmail(team *repos.Team, gameName, baseURL string) email_sender.
 func (s *TeamService) DownloadTeamQR(ctx context.Context, id int) ([]byte, string, error) {
 	game, err := s.gamesRepo.GetGameByID(ctx, id)
 	if err != nil {
+		if errors.Is(err, games_repo.ErrGameNotFound) {
+			return nil, "", ErrGameNotFound
+		}
 		return nil, "", err
 	}
 	teams, err := s.teamsRepo.GetActiveTeamsByGameID(ctx, id)
@@ -132,7 +135,7 @@ func (s *TeamService) DownloadTeamQR(ctx context.Context, id int) ([]byte, strin
 		return nil, "", err
 	}
 	if len(teams) == 0 {
-		return nil, "", team_qr_pdf.ErrNoCards
+		return nil, "", ErrNoCards
 	}
 	cards, filename, err := teamQRData(s.appBaseURL, game, teams)
 	if err != nil {

internal/services/team_service/team_qr.go

@@ -11,6 +11,13 @@ import (
 	"evening_detective_server/internal/repos"
 )
 
+var (
+	// ErrGameNotFound — игра для генерации QR-кодов не найдена.
+	ErrGameNotFound = errors.New("Игра не найдена")
+	// ErrNoCards — для игры нет активных команд, которым нужны QR-коды.
+	ErrNoCards = errors.New("нет карточек")
+)
+
 func teamQRData(baseURL string, game *repos.Game, teams []*repos.Team) ([]team_qr_pdf.Card, string, error) {
 	base, err := url.Parse(strings.TrimSpace(baseURL))
 	if err != nil || (base.Scheme != "http" && base.Scheme != "https") || base.Host == "" || base.User != nil || base.RawQuery != "" || base.Fragment != "" {