Add username existence check in customer registration and update handlers

2026-05-31 02:37:06 +03:30
parent bca94cd69a
commit 73d2d4927a
2 changed files with 8 additions and 0 deletions
@@ -89,6 +89,12 @@ func (s *customerService) Register(ctx context.Context, form *CreateCustomerForm
 		return nil, errors.New("customer with this email already exists")
 	}

+	// Check if username already exists
+	existingCustomer, _ = s.repository.GetByUsername(ctx, strings.ToLower(form.Username))
+	if existingCustomer != nil {
+		return nil, errors.New("customer with this username already exists")
+	}
+
 	// Check validator
 	if !s.validator.IsValidUsername(form.Username) {
 		return nil, errors.New("invalid username format")