如何在新的对话流中访问请求对象 API

How to access request object in the new dialogflow API

在 google 请求对象的操作中,我有通过帐户链接设置的 accessToken

{
  "user": {
    "userId": "user_id",
    "accessToken": "access_token",
    "locale": "en-US",
    "lastSeen": "2018-06-05T09:52:35Z",
    "userStorage": "{\"data\":{}}"
  },
  etc

我的 firebase 函数允许在触发意图时在 Firebase 数据库中查找值。

import * as admin       from 'firebase-admin'
import * as functions   from 'firebase-functions'
import { dialogflow }   from 'actions-on-google'

const dialogApp = dialogflow();

dialogApp.intent("request_value", async (conv, {devices}) => {
    console.log(devices);
    let device_name = devices;

    const snapshot = await admin.database().ref(`/system/ecofarmTest/component/${device_name}/data`).orderByChild("timestamp").limitToFirst(1).once('value');

    snapshot.forEach(function(childSnapshot) {
        console.log("Test child timestamp " + childSnapshot.val().timestamp)
        console.log("Test child value " + childSnapshot.val().value)

        const value_object = childSnapshot.val();

        conv.ask(`The ${device_name} is ${value_object.value}.\nWould you like to check anything else?`);

        return;
    })

});

export const receiveAssistantRequest = functions.https.onRequest(dialogApp);

在 API 更改之前,我新增了访问请求对象的方式。但是现在,我如何访问请求对象来获取accessToken呢?

完成帐户链接后,您可以使用

访问您的access_token
conv.user.access.token

我找到了方法:

let access_token = conv.request.user.accessToken