private void btn_clearCart_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Are you sure you want to clear your cart?", "Clear Cart", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
_cartManager.ClearCart(_cart);
ClearAllItemsPanelsFromCart();
UpdateCartControllers();
}
}
private void LoadCartFromDatabase()
{
Cart cart = _cartManager.LoadCartFromDatabase(_account);
if (cart == null)
{
MessageBox.Show($"You don't have a cart.", "Load Cart", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
_cartManager.ClearCart(_cart);
foreach (var cartItem in cart.Items)
{
Item item = _catalogManager.GetItemByItemCode(cartItem.ItemCode);
item.QtyInPackage = cartItem.QtyInPackage;
_cart.Items.Add(item);
}
ViewCart();
}
public IActionResult ClearCart()
{
CartManager.ClearCart();
return(PartialView("_CartPartial"));
}
public async Task <IActionResult> CheckPayResult(bool PaySuccess = false, string OrderKey = "")
{
if (!PaySuccess)
{
TempData["PayResult"] = $"付款失敗QQ...詳情請洽歐付寶的客服人員(02-2655-0115)";
return(View("PayResult"));
}
int?GetOrderId = HttpContext.Session.GetInt32(OrderKey);
int OrderId = 0;
// 查看此筆交易的 Key 是否有效
if (GetOrderId == null)
{
return(NotFound());
}
else
{
// 若有效，則取得此筆交易的ID & 清除此筆交易的 KEY
OrderId = (int)GetOrderId;
HttpContext.Session.Remove(OrderKey);
// 更新訂單狀態
_context.OrderForm.FirstOrDefault(o => o.Id == OrderId).CheckOut = "YES";
// 更新庫存和銷量
Cart CurrentCart = CartManager.GetCurrentCart();
foreach (var cartItem in CurrentCart)
{
Product product = _context.Product.FirstOrDefault(m => m.Id == cartItem.Id);
product.Quantity -= cartItem.Quantity;
product.SellVolume += cartItem.Quantity;
// 連動更新 Product2 的庫存和銷量
if (product.FromProduct2)
{
Product2 product2 = _context.Product2.FirstOrDefault(m => m.Id == product.Product2Id);
product2.Quantity -= cartItem.Quantity;
product2.SellVolume += cartItem.Quantity;
}
}
await _context.SaveChangesAsync();
// 移除購物頁面的快取，避免顯示舊的庫存
int PageAmount = _context.Product.Count() / 9 + 1;
for (int Page = 1; Page <= PageAmount; Page++)
{
_memoryCache.Remove($"ProductPage{Page}");
}
// 清空購物車
CartManager.ClearCart();
_logger.LogInformation($"[{User.Identity.Name}]對第{OrderId}號訂單付款成功!");
TempData["PayResult"] = $"付款成功!~請點選上方的[我的訂單]來查看付款結果。";
return(View("PayResult"));
}
}
