public OrderDetailViewModel(Order order = null)
{
Title = "Order detail";
Order = order;
if (Order.Status != "PENDING")
{
IsFinished = true;
}
// -------------------------------------------------------------------------
MessagingCenter.Instance.Subscribe <Application, string>(Application.Current, "Redirect", async(sender, result) =>
{
IsBusy = true;
try
{
/// NOTE: Need to query to your backend service and then your backend will check the ZaloPay API to get the order status
var response = await ZaloPayHelper.GetOrderStatus(Order.AppTransId);
int returnCode = int.Parse(response["return_code"].ToString());
if (returnCode == 1)
{
Order.Status = "SUCCESS";
IsFinished = true;
}
else
{
IsFinished = true;
Order.Status = "FAILED";
}
await App.Database.SaveItemAsync(Order);
}
catch (Exception e)
{
Console.WriteLine(">> EXCEPTION: " + e.ToString());
Order.Status = "FAILED";
IsFinished = true;
}
finally
{
IsBusy = false;
await Navigation.PopAsync();
}
});
// -------------------------------------------------------------------------
}
// GET: Redirect
public async Task <ActionResult> Index()
{
bool isValidRedirect;
try
{
var data = new Dictionary <string, object>();
Request.QueryString.CopyTo(data);
isValidRedirect = ZaloPayHelper.VerifyRedirect(data);
if (isValidRedirect)
{
var apptransid = data["apptransid"].ToString();
using (var db = new ZaloPayDemoContext())
{
var orderDTO = db.Orders.First(o => o.Apptransid.Equals(apptransid));
if (orderDTO != null && orderDTO.Status == 0)
{
var orderStatus = await ZaloPayHelper.GetOrderStatus(apptransid);
var returncode = int.Parse(orderStatus["returncode"].ToString());
orderDTO.Zptransid = orderStatus["zptransid"].ToString();
orderDTO.Channel = int.Parse(orderStatus["pmcid"].ToString());
orderDTO.Status = returncode == 1 ? 1 : -1;
}
}
}
} catch (Exception ex)
{
isValidRedirect = false;
ViewData["Exception"] = ex.Message;
}
ViewData["isValidRedirect"] = isValidRedirect;
return(View());
}