fixed nil pointer dereferece

closes #128

server/rest/service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"log/slog"
 	"os"
 
 	"github.com/google/uuid"
@@ -11,9 +12,10 @@ import (
 )
 
 type Service struct {
-	mdb *internal.MemoryDB
-	db  *sql.DB
-	mq  *internal.MessageQueue
+	mdb    *internal.MemoryDB
+	db     *sql.DB
+	mq     *internal.MessageQueue
+	logger *slog.Logger
 }
 
 func (s *Service) Exec(req internal.DownloadRequest) (string, error) {
@@ -24,6 +26,7 @@ func (s *Service) Exec(req internal.DownloadRequest) (string, error) {
 			Path:     req.Path,
 			Filename: req.Rename,
 		},
+		Logger: s.logger,
 	}
 
 	id := s.mdb.Set(p)