如何在 Dialogflow fulfillment 上唯一标识用户？

Question

我需要通过 Dialogflow Fulfillment 向我的 Web 服务发送一个唯一标识符，以便我可以识别谁在发出请求。为此，我需要在 Dialogflow Fulfillment 上唯一标识用户，但我找不到如何在 Inline Editor 中获取令牌或类似的东西，以便我可以识别设备正在提出请求。

我试着看看代理变量里面有什么。但是我没有发现任何可以用来识别向我的 Web 服务发出请求的用户的信息。

我也尝试获取 userStorage，就像在看到的那样，但是 returns 我遇到了错误：

Cannot read property 'userStorage' of undefined
    at verificarBiologia (/user_code/index.js:37:76)
    at WebhookClient.handleRequest (/user_code/node_modules/dialogflow-fulfillment/src/dialogflow-fulfillment.js:273:44)
    at exports.dialogflowFirebaseFulfillment.functions.https.onRequest (/user_code/index.js:52:9)
    at cloudFunction (/user_code/node_modules/firebase-functions/lib/providers/https.js:26:47)
    at /var/tmp/worker/worker.js:686:7
    at /var/tmp/worker/worker.js:670:9
    at _combinedTickCallback (internal/process/next_tick.js:73:7)
    at process._tickDomainCallback (internal/process/next_tick.js:128:9)

可能是因为变量 user 未定义。

这是我的代码：

// See https://github.com/dialogflow/dialogflow-fulfillment-nodejs
// for Dialogflow fulfillment library docs, samples, and to report issues
'use strict';

const functions = require('firebase-functions');
const {WebhookClient} = require('dialogflow-fulfillment');
const {Card, Suggestion} = require('dialogflow-fulfillment');

process.env.DEBUG = 'dialogflow:debug'; // enables lib debugging statements

exports.dialogflowFirebaseFulfillment = functions.https.onRequest((request, response) => {
  const agent = new WebhookClient({ request, response });
  console.log('Dialogflow Request headers: ' + JSON.stringify(request.headers));
  console.log('Dialogflow Request body: ' + JSON.stringify(request.body));

  function welcome(agent) {
    agent.add(`Welcome to my agent!`);
  }

  function fallback(agent) {
    agent.add(`I didn't understand`);
    agent.add(`I'm sorry, can you try again?`);
  }

  function verificarBiologia(agent) {

    agent.add('Inicio do metodo');

    console.log('Build 059');

    console.log(agent);

    let payload = request.body.originalDetectIntentRequest.payload;
    console.log(payload);


    let userStorage = request.body.originalDetectIntentRequest.payload.user.userStorage || JSON.stringify({});
    let userId;
    console.log("userStorage", userStorage);
    userStorage = JSON.parse(userStorage);
    console.log("userStorage_after_parsing", userStorage);


    agent.add('Final do metodo');
  }

  // Run the proper function handler based on the matched Dialogflow intent name
  let intentMap = new Map();
  intentMap.set('Default Welcome Intent', welcome);
  intentMap.set('Default Fallback Intent', fallback);
  intentMap.set('VerificarBiologia', verificarBiologia);
  agent.handleRequest(intentMap);
});

编辑

请求正文如下：

{
   "responseId":"f4ce5ff7-ac5f-4fec-b5bd-4e5007e4c2de",
   "queryResult":{
      "queryText":"Quando tenho prova de biologia?",
      "parameters":{
         "disciplinaBiologia":"biologia"
      },
      "allRequiredParamsPresent":true,
      "fulfillmentText":"Voc� tem uma prova de biologia no dia 30. Tire suas d�vidas com o professor.",
      "fulfillmentMessages":[
         {
            "text":{
               "text":[
                  "Voc� tem uma prova de biologia no dia 30. N�o deixe de fazer os exerc�cios."
               ]
            }
         }
      ],
      "intent":{
         "name":"projects/verificadorprovas/agent/intents/020017a0-e3a9-46f0-9a2e-d93009f5ac42",
         "displayName":"VerificarBiologia"
      },
      "intentDetectionConfidence":1,
      "languageCode":"en"
   },
   "originalDetectIntentRequest":{
      "payload":{

      }
   },
   "session":"projects/verificadorprovas/agent/sessions/3700fddf-3572-4221-fffc-a0dc1bf28330"
}

有人可以帮我做吗？我必须做什么才能获得可用于识别用户的信息？

提前致谢

Answer 1

如果您打算在 Google 上使用操作来使用 Google 助手，那么识别用户的最佳方法是使用帐户链接。查看以下 link 以了解有关为 Google 助理获取用户信息的更多信息。

Answer 2

使用 "Try it now" 在 Dialogflow 模拟器中测试内容不会模拟 Google 环境中的操作。为此，您需要使用 Google 模拟器上的操作，您可以通过单击下方几行 "See how it works in the Google Assistant" 来访问它。

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