public async Task <string> AddAsync(CartItemDto dto)
{
if (dto.Quantity <= 0)
{
dto.Quantity = 1;
}
var q = _context.Products.Where(p => p.Id == dto.ProductId);
var product = await q.FirstOrDefaultAsync();
if (product == null)
{
throw new KeyNotFoundException($"The product with ID={dto.ProductId} was not found.");
}
CartItem cartItem = null;
Guid x;
if (!Guid.TryParse(dto.CartId, out x))
{
dto.CartId = Guid.NewGuid().ToString();
}
else
{
cartItem = await _context.CartItems.FirstOrDefaultAsync(c => c.CartId == dto.CartId && c.ProductId == dto.ProductId);
}
if (cartItem == null)
{ // create new
cartItem = new CartItem
{
Id = Guid.NewGuid().ToString(),
CartId = dto.CartId,
ProductId = dto.ProductId,
Quantity = dto.Quantity,
Created = DateTime.Now
};
await _context.CartItems.AddAsync(cartItem);
await _context.SaveChangesAsync();
}
else
{
cartItem.Quantity = dto.Quantity;
_context.Entry(cartItem).Property("Quantity").IsModified = true;
await _context.SaveChangesAsync();
}
return(cartItem.CartId);
}
public async Task <int> AddAsync(OrderDto orderDto)
{
Order order = _mapper.Map <Order>(orderDto);
// check products before update
foreach (OrderDetail detail in order.OrderDetails)
{
Product product = await _context.Products.AsNoTracking().FirstOrDefaultAsync(p => p.Id == detail.ProductId);
if (product == null)
{
throw new KeyNotFoundException($"The product with ID={detail.ProductId} was not found.");
}
}
order.HasBeenShipped = false;
order.OrderDate = DateTime.Now;
// order.PaymentTransactionId = ""; // TO DO
await _context.Orders.AddAsync(order);
await _context.SaveChangesAsync();
return(order.Id);
}
