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django - Slack Events API：为自己的机器人用户的响应发布（多次）事件

问题描述

通过 Slack Events API ( im.message event )响应传入消息时，我似乎遇到了问题。

但是：在那之后，事件 API 不断发布我自己的机器人用户在此频道中发布消息的事件......

此外，这些事件通常只发布 3 次，而这些事件只会不停地发布。即使机器人用户只在 Slack 中发送了一条响应消息。

User UQ364CBPF has posted message: I'm typing a message to my Slack bot. in DQ5FF35N2 of channel type: im
[26/Dec/2019 15:16:30] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ5FF35N2 of channel type: im
[26/Dec/2019 15:16:32] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im
[26/Dec/2019 15:16:33] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im
[26/Dec/2019 15:16:35] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im
[26/Dec/2019 15:16:37] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im
[26/Dec/2019 15:16:39] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im
[26/Dec/2019 15:16:40] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im
[26/Dec/2019 15:16:42] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im
[26/Dec/2019 15:16:43] "POST /slack/events/ HTTP/1.1" 200 0
User UQ5529KTR has posted message: Thank you for your message! We will get back to you soon! in DQ3KX0NPJ of channel type: im

在我的代码中，这是处理 Slack 事件的更大函数的一部分，相关部分：

@csrf_exempt
def slack_events(request):
    if request.method == 'POST':
        json_data = json.loads(request.body)
        event_callback_type = json_data['event']['type']
        if event_callback_type == 'message':
                user_id = json_data['event']['user']
                text = json_data['event']['text']
                channel_id = json_data['event']['channel']
                channel_type = json_data['event']['channel_type']
                timestamp = json_data['event']['ts']
                print ('User ' + user_id + ' has posted message: ' + text + ' in ' + channel_id + ' of channel type: ' + channel_type)
                slack_message_received(user_id, channel_id, channel_type, team_id, timestamp, text)
                return HttpResponse(status=200)

这里（或函数中slack_message_received）没有任何东西可以触发这个循环流。

所以

1. Slack 用我自己的机器人用户的所有这些 POST 请求轰炸我，这是一种奇怪的行为吗？

2. 除了过滤掉我自己的 Bot 用户 ID 并忽略后端的这些请求之外，我可以避免这种行为吗？

标签： djangoeventsbotsslackslack-api

解决方案

您的机器人将接收所有消息事件，包括来自它自己的帖子的事件 API 的标准行为。通过对它们做出反应，您已经创建了无限循环。

要解决此问题，您需要按照 #2 中的建议通过过滤掉它们来停止对机器人自己的消息做出反应。这是标准方法。

如果您不需要收听其他机器人，最简单的方法是过滤掉所有机器人消息。然后您可以忽略所有具有该subtype属性的消息。或者，您当然可以从您自己的机器人中过滤我们的消息。

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