Boolean IProductService.BuyProduct(string productName, string username)
{
Product product = persistenceService.FindProductByID(productName);
if (product == null)
{
return(false);
}
User user = persistenceService.FindUserByID(username);
if (user == null)
{
return(false);
}
if (product.Price > user.Money)
{
return(false);
}
product.AmountInStock = product.AmountInStock - 1;
if (product.AmountInStock <= 0)
{
persistenceService.DeleteProduct(product.Name);
}
else
{
persistenceService.InsertOrUpdateProduct(product);
}
user.Money = user.Money - product.Price;
persistenceService.InsertOrUpdateUser(user);
//TODO: add to user inv items
return(true);
}