go routine and removing cart

app/service/cartsService/cartsService.go

@@ -34,6 +34,18 @@ func (s *CartsService) CreateNewCart(user_id uint) (model.CustomerCart, error) {
 	return cart, nil
 }
 
+func (s *CartsService) RemoveCart(user_id uint, cart_id uint) error {
+	exists, err := s.repo.UserHasCart(user_id, cart_id)
+	if err != nil {
+		return err
+	}
+	if !exists {
+		return responseErrors.ErrUserHasNoSuchCart
+	}
+
+	return s.repo.RemoveCart(user_id, cart_id)
+}
+
 func (s *CartsService) UpdateCartName(user_id uint, cart_id uint, new_name string) error {
 	exists, err := s.repo.UserHasCart(user_id, cart_id)
 	if err != nil {