public async Task <OrderDTO> CreateOrder(string UserName, CreateOrderModel OrderModel)
{
var user = await _UserManager.FindByNameAsync(UserName);
if (user is null)
{
throw new InvalidOperationException($"Пользователь {UserName} не найден в БД");
}
await using var transaction = await _Db.Database.BeginTransactionAsync();
var order = new Order
{
Name = OrderModel.Order.Name,
Adress = OrderModel.Order.Address,
Phone = OrderModel.Order.Phone,
User = user,
Date = DateTime.Now,
};
foreach (var(id, _, quantity) in OrderModel.Items)
{
var product = await _Db.Products.FindAsync(id);
if (product is null)
{
continue;
}
var order_item = new OrderItem
{
Order = order,
Price = product.Price,
Quantity = quantity,
Product = product,
};
order.Items.Add(order_item);
}
await _Db.AddAsync(order);
await _Db.SaveChangesAsync();
await transaction.CommitAsync();
return(order.ToDTO());
}
public async Task <Order> CreateOrderAsync(string Username, CartViewModel cart, OrderViewModel orderModel)
{
var user = await userManager.FindByNameAsync(Username);
using (var transaction = await db.Database.BeginTransactionAsync())
{
var order = new Order
{
Name = orderModel.Name,
Address = orderModel.Address,
Phone = orderModel.Phone,
User = user,
Date = DateTime.Now
};
await db.AddAsync(order);
foreach (var(productModel, quantity) in cart.Items)
{
var product = await db.Products.FirstOrDefaultAsync(x => x.Id == productModel.Id);
if (product is null)
{
throw new InvalidOperationException($"Товар с Id: {productModel.Id} в базе данных не найден!");
}
var orderItem = new OrderItem
{
Order = order,
Product = product,
Price = product.Price,
Quantity = quantity
};
await db.OrderItems.AddAsync(orderItem);
}
await db.SaveChangesAsync();
await transaction.CommitAsync();
return(order);
}
}