public async Task <Unit> Handle(AddToCartCommand request, CancellationToken cancellationToken)
{
var stock = await _context.Stocks
.Include(x => x.Product)
.ThenInclude(x => x.Photos)
.FirstOrDefaultAsync(x => x.Id == request.StockId, cancellationToken);
if (request.Quantity > stock.Quantity)
{
throw new RestException(HttpStatusCode.BadRequest,
new { AddToCart = $"Not enough quantity in stock: {stock.Id}" });
}
stock.Quantity -= request.Quantity;
var stocksOnHold = await _context.StocksOnHold
.Where(x => x.SessionId == _sessionService.GetId())
.ToListAsync(cancellationToken);
if (stocksOnHold.Any(x => x.StockId == request.StockId))
{
stocksOnHold.Find(x => x.StockId == request.StockId) !.Quantity += request.Quantity;
}
else
{
await _context.StocksOnHold.AddAsync(new StockOnHold
{
SessionId = _sessionService.GetId(),
StockId = request.StockId,
ProductName = stock.Product.Name,
ProductSize = stock.ProductSize,
ProductColor = stock.ProductColor,
Price = stock.Price,
Quantity = request.Quantity,
PhotoUrl = stock.Product.Photos.First(x => x.IsMain).Url,
ExpiryDate = DateTime.Now.AddMinutes(60)
}, cancellationToken);
}
stocksOnHold.ForEach(x => x.ExpiryDate = DateTime.Now.AddMinutes(60));
var cartProduct = new CartProduct
{
StockId = stock.Id,
ProductName = stock.Product.Name,
ProductSize = stock.ProductSize,
ProductColor = stock.ProductColor,
Price = stock.Price,
Quantity = request.Quantity,
PhotoUrl = stock.Product.Photos.First(x => x.IsMain).Url
};
_sessionService.AddToCart(cartProduct);
var success = await _context.SaveChangesAsync(cancellationToken) > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception("Problem adding to cart");
}