public async Task AddToCartAsync(Clothes clothes, int amount)
{
var shoppingCartItem =
await db.ShoppingCartItems.SingleOrDefaultAsync(
s => s.Clothes.Id == clothes.Id && s.ShoppingCartId == ShoppingCartId);
if (shoppingCartItem == null)
{
shoppingCartItem = new ShoppingCartItem
{
ShoppingCartId = ShoppingCartId,
Clothes = clothes,
Amount = 1
};
db.ShoppingCartItems.Add(shoppingCartItem);
}
else
{
shoppingCartItem.Amount++;
}
await db.SaveChangesAsync();
}
public async Task <int> RemoveFromCartAsync(Clothes clothes)
{
var shoppingCartItem =
await db.ShoppingCartItems.SingleOrDefaultAsync(
s => s.Clothes.Id == clothes.Id && s.ShoppingCartId == ShoppingCartId);
var localAmount = 0;
if (shoppingCartItem != null)
{
if (shoppingCartItem.Amount > 1)
{
shoppingCartItem.Amount--;
localAmount = shoppingCartItem.Amount;
}
else
{
db.ShoppingCartItems.Remove(shoppingCartItem);
}
}
await db.SaveChangesAsync();
return(localAmount);
}