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/*----------------------------------------------------------------
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Copyright (C) 2023 Senparc
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文件名：CustomMessageContext.cs
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文件功能描述：微信消息上下文
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创建标识：Senparc - 20150312
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----------------------------------------------------------------*/
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//DPBMARK_FILE MiniProgram
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Senparc.NeuChar.Context;
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using Senparc.NeuChar.Entities;
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using Senparc.Weixin.WxOpen.MessageContexts;
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namespace Senparc.Weixin.Sample.CommonService.WxOpenMessageHandler
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{
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public class CustomWxOpenMessageContext : DefaultWxOpenMessageContext
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{
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public CustomWxOpenMessageContext()
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{
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base.MessageContextRemoved += CustomMessageContext_MessageContextRemoved;
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}
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/// <summary>
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/// 当上下文过期，被移除时触发的时间
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void CustomMessageContext_MessageContextRemoved(object sender, Senparc.NeuChar.Context.WeixinContextRemovedEventArgs<IRequestMessageBase,IResponseMessageBase> e)
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{
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/* 注意，这个事件不是实时触发的（当然你也可以专门写一个线程监控）
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* 为了提高效率，根据WeixinContext中的算法，这里的过期消息会在过期后下一条请求执行之前被清除
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*/
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var messageContext = e.MessageContext as CustomWxOpenMessageContext;
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if (messageContext == null)
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{
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return;//如果是正常的调用，messageContext不会为null
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}
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//TODO:这里根据需要执行消息过期时候的逻辑，下面的代码仅供参考
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//Log.InfoFormat("{0}的消息上下文已过期",e.OpenId);
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//api.SendMessage(e.OpenId, "由于长时间未搭理客服，您的客服状态已退出！");
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}
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}
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}
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