public static BaseWeChatXmlMsg CreateMessage(string xml)
{
if (_queue == null)
{
_queue = new List <BaseWeChatXmlMsg>();
}
else if (_queue.Count >= 50)
{
_queue = _queue.Where(q => { return(q.CreatedTime.AddSeconds(20) > DateTime.Now); }).ToList();//保留20秒内未响应的消息
}
XElement xdoc = XElement.Parse(xml);
var msgtype = xdoc.Element("MsgType").Value.ToUpper();
var FromUserName = xdoc.Element("FromUserName").Value;
var CreateTime = xdoc.Element("CreateTime").Value;
WeChartMsgType type = (WeChartMsgType)Enum.Parse(typeof(WeChartMsgType), msgtype);
if (type != WeChartMsgType.EVENT)
{
var MsgId = xdoc.Element("MsgId").Value;
if (_queue.FirstOrDefault(m => { return(m.MsgFlag == MsgId); }) == null)
{
_queue.Add(new BaseWeChatXmlMsg
{
CreatedTime = DateTime.Now,
FromUserName = FromUserName,
MsgFlag = MsgId
});
}
else
{
return(null);
}
}
else
{
if (_queue.FirstOrDefault(m => { return(m.MsgFlag == CreateTime && m.FromUserName == FromUserName); }) == null)
{
_queue.Add(new BaseWeChatXmlMsg
{
CreatedTime = DateTime.Now,
FromUserName = FromUserName,
MsgFlag = CreateTime
});
}
else
{
return(null);
}
}
switch (type)
{
case WeChartMsgType.TEXT:
return(WeChatUtils.ConvertXmlToObj <WeChatXmlTextMsg>(xml));
case WeChartMsgType.IMAGE:
return(WeChatUtils.ConvertXmlToObj <BaseWeChatXmlMsg>(xml));
case WeChartMsgType.VOICE:
return(WeChatUtils.ConvertXmlToObj <BaseWeChatXmlMsg>(xml));
case WeChartMsgType.VIDEO:
return(WeChatUtils.ConvertXmlToObj <BaseWeChatXmlMsg>(xml));
case WeChartMsgType.LOCATION:
return(WeChatUtils.ConvertXmlToObj <BaseWeChatXmlMsg>(xml));
case WeChartMsgType.LINK:
return(WeChatUtils.ConvertXmlToObj <BaseWeChatXmlMsg>(xml));
case WeChartMsgType.EVENT:
var enumEventType = (WeChartEvent)Enum.Parse(typeof(WeChartEvent), xdoc.Element("Event").Value.ToUpper());
switch (enumEventType)
{
case WeChartEvent.CLICK:
return(WeChatUtils.ConvertXmlToObj <WeChatXmlNormalMenuEventMsg>(xml));
case WeChartEvent.VIEW: return(WeChatUtils.ConvertXmlToObj <WeChatXmlNormalMenuEventMsg>(xml));
case WeChartEvent.LOCATION: return(WeChatUtils.ConvertXmlToObj <BaseWeChatEventXmlMsg>(xml));
case WeChartEvent.LOCATION_SELECT: return(WeChatUtils.ConvertXmlToObj <BaseWeChatEventXmlMsg>(xml));
case WeChartEvent.SCAN: return(WeChatUtils.ConvertXmlToObj <WeChatScanEventMessage>(xml));
case WeChartEvent.SUBSCRIBE: return(WeChatUtils.ConvertXmlToObj <WeChatSubEventXmlMsg>(xml));
case WeChartEvent.UNSUBSCRIBE: return(WeChatUtils.ConvertXmlToObj <BaseWeChatEventXmlMsg>(xml));
case WeChartEvent.SCANCODE_WAITMSG: return(WeChatUtils.ConvertXmlToObj <BaseWeChatEventXmlMsg>(xml));
default:
return(WeChatUtils.ConvertXmlToObj <BaseWeChatEventXmlMsg>(xml));
}
default:
return(WeChatUtils.ConvertXmlToObj <BaseWeChatXmlMsg>(xml));
}
}
