public void AddToBooked(int productId, int quantity)
{
ProductStock stock = Stocks.FirstOrDefault(s => s.ProductIdent == productId);
if (stock != null && stock.InStock >= quantity)
{
stock.Booked += quantity;
}
context.SaveChanges();
}
public void AddToStock(int productId, int quantity)
{
ProductStock stock = Stocks.FirstOrDefault(s => s.ProductIdent == productId);
if (stock != null)
{
stock.InStock += quantity;
}
else
{
stock = new ProductStock {
ProductIdent = productId, InStock = quantity, Booked = 0
};
context.ProductStocks.Add(stock);
}
context.SaveChanges();
}
public bool CheckQuantity(IEnumerable <CartLine> cartLines)
{
int enought = 0;
int entire = cartLines.Count();
foreach (var line in cartLines)
{
ProductStock ps = context.ProductStocks.FirstOrDefault(t => t.ProductIdent == line.Product.ProductID);
int booked = ps != null ? ps.Booked : 0;
int available = (ps != null ? ps.InStock : 0) - booked;
if (line.Quantity <= available)
{
enought++;
}
}
return(enought == entire ? true : false);
}