/// <summary>
/// 中间件调用
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public async Task Invoke(HttpContext context)
{
//判断是否为websocket请求
if (context.WebSockets.IsWebSocketRequest)
{
//接收客户端
var cancellationToken = context.RequestAborted;
var currentWebSocket = await context.WebSockets.AcceptWebSocketAsync();
var socket = new PayQrWebSocket {
WebSocket = currentWebSocket
};
_SetStationInfo(socket, context);//设置客户端的数据
await _wsconnMgr.AddSocket(socket);
while (socket.WebSocket.State == WebSocketState.Open)
{
if (cancellationToken.IsCancellationRequested)
{
break;
}
var status = _wsHandler.GetPayQrStatus(socket);
switch (status)
{
case PayQrStatuses.INITIAL: //初始化
await _wsHandler.GetPayQrInfo(socket); //发送获取到的二维码信息给客户端，客户端进行握手处理
_wsHandler.StartScaningDetect(socket);
break;
case PayQrStatuses.MONITORSCANING: //开始监控
await _wsHandler.ScanningTimeoutDetect(socket, cancellationToken); //如果超时则会退出
Thread.Sleep(300);
continue;
case PayQrStatuses.ERROR:
break;
}
Thread.Sleep(500);
}
await _wsconnMgr.RemoveSocket(socket);
}
await this._next(context);
}
/// <summary>
/// 获取支付信息
/// </summary>
/// <param name="socket"></param>
public async Task GetPayQrInfo(PayQrWebSocket socket)
{
CHIS.Models.PayQrInfo QrInfo = null;
try
{
string h = await Ass.Net.WebHelper.WebPost(GetUrl("QRPay:HostUrl", "QRPay:GetPayInfo") + $"?payOrderId={socket.PayOrderId}");
QrInfo = GetFromJsonString <CHIS.Models.PayQrInfo>(h);
if (QrInfo.status == "ERROR")
{
throw new Exception();
}
if (QrInfo.status == "PAYEDSUCCESS")
{
await NotifyToClient(socket, QrInfo);
socket.PayQrStatus = PayQrStatuses.PAYEDSUCCESS;
await _wsconnMgr.RemoveSocket(socket);//关闭连接
}
else
{
QrInfo.union2DCodeUrl = GetUnion2DCodeUrl(QrInfo);//获取统一二维码
socket.WxQrUrl = QrInfo.wx2DCodeUrl;
socket.AliQrUrl = QrInfo.ali2DCodeUrl;
socket.PayAmount = QrInfo.totalAmount;
await NotifyToClient(socket, QrInfo);
socket.PayQrStatus = PayQrStatuses.GETPAYINFO;
}
}
catch (Exception ex)
{
if (QrInfo == null)
{
QrInfo = new CHIS.Models.PayQrInfo()
{
rlt = false, msg = ex.Message, status = "ERROR"
}
}
;
await NotifyToClient(socket, QrInfo);
await _wsconnMgr.RemoveSocket(socket);//关闭连接
}
}
