chore: refacto

backend/gestion/db/db_basket.go

@@ -347,6 +347,18 @@ func (d *Database) CheckBasketReservations(username string) (bool, error) {
 	return result.Count > 0, nil
 }
 
+func (d *Database) GetBasketItemOwner(basketID int) (string, error) {
+	var username string
+	err := d.GDB.Raw(`SELECT username FROM baskets WHERE id = ?`, basketID).Scan(&username).Error
+	if err != nil {
+		return "", err
+	}
+	if username == "" {
+		return "", fmt.Errorf("article non trouvé")
+	}
+	return username, nil
+}
+
 func (d *Database) GetBasketItems(username string) ([]map[string]any, error) {
 	var items []map[string]any
 	if err := d.GDB.Raw(`SELECT product_id, quantity::float8 as quantity, price::float8 as price FROM baskets WHERE username = ?`,