public void PreCalculate()
{
if (_items == null || _items.Count == 0)
{
throw new Exception("No item to pre-calculate");
}
var id = Guid.Parse(Id);
long cartTax = 0;
long cartSubTotal = 0;
if (_items != null && _items.Count >= 0)
{
cartSubTotal = _items.Sum(i => i.TotalPrice);
}
long cartDiscount = 0;
var orderPromo = OrderPromotionServices.CalculateForDiscount(id);
var orderPromotionId = Guid.Empty;
if (orderPromo != null)
{
cartDiscount = orderPromo.DiscountAmount;
orderPromotionId = orderPromo.Id;
}
ApplyChange(new ShoppingCartPromotionCalulatedForOrderDiscount(id, orderPromotionId));
var cartTotal = cartSubTotal - cartTax - cartDiscount - _voucherValue - _shippingFee;
ApplyChange(new ShoppingCartPreCalculated(id, DateTime.Now, cartTax, cartDiscount, cartSubTotal, cartTotal));
}
private static void PreCalculateShoppingCart(Guid shoppingCartId, Guid productId, int productQuantity)
{
var hubContext = GlobalHost.ConnectionManager.GetHubContext <SystemNotificationHub>();
var msg = string.Empty;
var pp = ProductPromotionServices.CalculateDiscount(productId, productQuantity);
var ooDiscount = OrderPromotionServices.CalculateForDiscount(shoppingCartId);
var ooShipping = OrderPromotionServices.CalculateForShipping(shoppingCartId);
using (var db = new CoreEcommerceDbContext())
{
if (pp != null)
{
msg += db.ContentLanguages.GetValue(pp.Id, "Description");
}
if (ooDiscount != null)
{
msg += "<br>" + db.ContentLanguages.GetValue(ooDiscount.Id, "Description");
}
if (ooShipping != null)
{
msg += "<br>" + db.ContentLanguages.GetValue(ooShipping.Id, "Description");
}
}
if (!string.IsNullOrEmpty(msg))
{
hubContext.Clients.All.shoppingCartMessage(new NotificationMessage()
{
DataType = "ShoppingCart",
DataJson = JsonConvert.SerializeObject(new
{
Id = shoppingCartId,
ProductId = productId,
ActionType = "PreCalculateShoppingCart",
Message = msg
})
});
}
hubContext.Clients.All.shoppingCartMessage(new NotificationMessage()
{
DataType = "ShoppingCart",
DataJson = JsonConvert.SerializeObject(new
{
Id = shoppingCartId,
ActionType = "RefreshShoppingCart",
Message = msg
})
});
}