public async Task <ActionResult> CouponModal(int couponId)
{
ViewBag.Label = "Thêm";
Coupon coupon = new Coupon();
if (couponId > 0)
{
ViewBag.Label = "Cập nhật";
coupon = await _coupon.FindAsync(x => x.CouponId == couponId);
}
return(PartialView("~/Areas/Admin/Views/CouponAdmin/_CouponModal.cshtml", coupon));
}
public async Task <JsonResult> UpdateCoupon(int orderId, string code)
{
var order = await _order.GetByIdAsync(orderId);
if (code.IsBlank())
{
order.CouponId = null;
await _order.UpdateAsync(order);
return(Json("OK", JsonRequestBehavior.AllowGet));
}
code = code.ToUpper();
var coupon = await _coupon.FindAsync(x => x.Code.Equals(code));
if (coupon == null)
{
return(Json("Mã giảm giá không hợp lệ!", JsonRequestBehavior.AllowGet));
}
else if (coupon.EndDate < DateTime.Now)
{
return(Json("Mã giảm giá đã hết hạn!", JsonRequestBehavior.AllowGet));
}
else if (coupon.Quantity <= 0)
{
return(Json("Mã giảm giá đã dùng hết!", JsonRequestBehavior.AllowGet));
}
order.CouponId = coupon.CouponId;
if (await _order.UpdateAsync(order))
{
coupon.Quantity -= 1;
await _coupon.UpdateAsync(coupon);
}
return(Json("OK", JsonRequestBehavior.AllowGet));
}