public async Task <IHttpActionResult> CompletePayment(WechatPaymentNotificationModel notification)
{
if (notification == null || !notification.IsValid())
{
return(Ok(GetErrorModel(ApiErrorCode.InvalidData)));
}
using (var context = new TasteContext())
{
var payment = context.Payments.FirstOrDefault(o => o.TransactionId == notification.TransactionId);
if (payment == null || payment.Success)
{
return(Ok());
}
var order = context.Orders.FirstOrDefault(o =>
o.OrderId == payment.OrderId && o.UserId == payment.UserId);
if (order == null)
{
return(Ok());
}
var restaurant = context.Restaurants.FirstOrDefault(r => r.Id == order.RestaurantId);
if (restaurant == null)
{
return(Ok());
}
var merchantId = ConfigurationManager.AppSettings.Get("WeChatMerchantId");
var merchantKey = ConfigurationManager.AppSettings.Get("WeChatMerchantKey");
var paymentMade = await WechatPayHttpClient.CheckIfPaymentIsPaidAsync(payment.TransactionId, ConfigurationManager.AppSettings.Get("WeChatMiniProgramAppId"), merchantId, merchantKey);
if (!paymentMade)
{
return(Ok(GetErrorModel(ApiErrorCode.PaymentNotMade)));
}
payment.Success = true;
order.Paid = true;
restaurant.OustandingBalance += Convert.ToInt32(notification.Total / restaurant.ExchangeRate);
context.SaveChanges();
return(Ok());
}
}
