コード例 #1
0
ファイル: ProductManager.cs プロジェクト: edjo23/shop
        public void AddMovement(ProductMovement movement)
        {
            using (var transaction = new TransactionScope())
            using (var connection = new ConnectionScope())
            {
                var product = GetProduct(movement.ProductId);
                if (product == null)
                    throw new Exception("Product not found");

                if (product.QuantityOnHand + movement.Quantity < 0)
                    throw new Exception("Quantity on hand cannot become negative.");

                movement.Insert();
                product.QuantityOnHand += movement.Quantity;
                product.Update();

                transaction.Complete();
            }
        }