private async Task HandleWebSocketRequest(HttpContext context, RelatedToBothService <Purchase, PurchaseDTO> purchaseService)
{
NiceWebSocket webSocket = new NiceWebSocket(context);
int purchaseId = await ReadPurchaseId(webSocket, purchaseService);
bool payed = false;
bool timeout = false;
Thread waitPayment = new Thread(() =>
{
payed = WaitPayment(purchaseId);
timeout = true;
});
Monitor.Add(purchaseId, waitPayment);
ThreadVsTask(waitPayment, () => webSocket.Read());
await webSocket.Close(
payed? "Payed" :
timeout? "Timeout" :
"Interrupted"
);
}
private async Task <int> ReadPurchaseId(NiceWebSocket webSocket, RelatedToBothService <Purchase, PurchaseDTO> purchaseService)
{
string purchaseIdStr = await webSocket.Read();
int purchaseId;
try
{
purchaseId = Int32.Parse(purchaseIdStr);
Purchase purchase = purchaseService.FindEntity(purchaseId);
if (purchase.PayingTime != null)
{
throw new AppException("Already payed");
}
}
catch (Exception e)
{
object errorObject = e is AppException ? ((AppException)e).Content : "Not a number";
await webSocket.Error(JsonSerializer.Serialize(errorObject));
throw new AppException(errorObject);
}
return(purchaseId);
}