/// <summary>
/// 将调用转到合适的插件并由找到的插件执行处理。
/// <para>如果没有任何插件接收此次调用，将返回null。</para>
/// </summary>
/// <param name="context">如果为null，则自动从请求中获取数据</param>
/// <returns></returns>
public static ResponseMessage Invoke(InvokerContext context = null)
{
if (context == null)
{
context = ParseFromContext();
}
var msg = context.Message; //接收的消息
var ctx = new PluginContext
{
ReceiveMessage = msg,
Seller = Obtainer == null ? null : Obtainer.Obtain(msg.ToUserName),
UserContext = UserContext.Get(msg.ToUserName, msg.FromUserName)
};
//需要验证签名
if (RequireCheck && !EntrySign.ParseFromContext().Check(ctx.Seller == null ? null : ctx.Seller.Token))
{
return(null);
}
var plugin = Plugins.FirstOrDefault(p => p.CanProcess(ctx));
var rep = plugin == null ? null : plugin.Execute(ctx); //传递PluginContext
//触发事件
if (Invoked != null)
{
Invoked(ctx, rep);
}
return(rep);
}
/// <summary>
/// 放在接收数据的页面即可 实现WxMsgHandler类的消息
/// </summary>
public static void StartAcceptRequest()
{
if (!ReceiveMessage.IsRgisterMessageHandler)
{
ReceiveMessage.ResisterHandler(new WxMsgHandler());
}
if (ReceiveMessage.IsRgisterMessageHandler)
{
var sign = EntrySign.ParseFromContext();
//验签名
if (sign.Check())
{
//如果是GET请求就返回echostr数据
if (EntrySign.IsEntryCheck())
{
sign.Response();
}
else
{
//其他请求交给注册的实现接口IMessageHandler的类完成
var msg = ReceiveMessage.ParseFromContext();
var rep = msg.Process();
rep.Response();
}
}
}
}
