我对Dialogflow的履行中的http请求有疑问。 我想从Dialogflow向另一个Web数据库服务发出http POST请求。
但发生了2次错误。如果你知道解决方案，请告诉我吗？
仅供参考，我在Postman和Node.js本地文件上测试了http post请求，然后请求成功完成。
请求超时错误
"status": {
"code": 206,
"errorType": "partial_content",
"errorDetails": "Webhook call failed. Error: Request timeout.",
"webhookTimedOut": true
}
ENOTFOUND错误
{ Error: getaddrinfo ENOTFOUND <service url> <service url>:443
at errnoException (dns.js:28:10)
at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:76:26)
code: 'ENOTFOUND',
errno: 'ENOTFOUND',
syscall: 'getaddrinfo',
hostname: '<service url>',
host: '<service url>',
port: 443
}
我在Fulfillment＆＃39;内联编辑器中编辑的代码＆＃39;在下面。
(function() {
'use strict';
// Cloud Functions for Firebase library
const functions = require('firebase-functions');
// Google Assistant helper library
const DialogflowApp = require('actions-on-google').DialogflowApp;
const googleAssistantRequest = 'google';
const req = require('request');
function addTask(request, response) {
let action = request.body.result.action;
let parameters = request.body.result.parameters;
let inputContexts = request.body.result.contexts;
let requestSource = (request.body.originalRequest) ? request.body.originalRequest.source : undefined;
const app = new DialogflowApp({request: request, response: response});
// Function to send correctly formatted Google Assistant responses to Dialogflow which are then sent to the user
function sendGoogleResponse(responseToUser) {
if (typeof responseToUser === 'string') {
app.ask(responseToUser);
} else {
// If speech or displayText is defined use it to respond
let googleResponse = app.buildRichResponse().addSimpleResponse({
speech: responseToUser.speech || responseToUser.displayText,
displayText: responseToUser.displayText || responseToUser.speech
});
if (responseToUser.googleRichResponse) {
googleResponse = responseToUser.googleRichResponse;
}
if (responseToUser.googleOutputContexts) {
app.setContext(...responseToUser.googleOutputContexts);
}
// Send response to Dialogflow and Google Assistant
app.ask(googleResponse);
}
}
// Function to send correctly formatted responses to Dialogflow which are then sent to the user
function sendResponse(responseToUser) {
// if the response is a string send it as a response to the user
if (typeof responseToUser === 'string') {
let responseJson = {};
responseJson.speech = responseToUser;
responseJson.displayText = responseToUser;
// Send response to Dialogflow
response.json(responseJson);
} else {
// If the response to the user includes rich responses or contexts send them to Dialogflow
let responseJson = {};
// If speech or displayText is defined, use it to respond (if one isn't defined use the other's value)
responseJson.speech = responseToUser.speech || responseToUser.displayText;
responseJson.displayText = responseToUser.displayText || responseToUser.speech;
responseJson.data = responseToUser.richResponses;
responseJson.contextOut = responseToUser.outputContexts;
// Send response to Dialogflow
response.json(responseJson);
}
}
const actionHandlers = {
'input.firstquestion': () => {
const headers = {
'Content-Type': 'application/json'
};
const form = {
'app': 503,
'record': {
'todo': {
'value': parameters.task
},
'duedate': {
'value': parameters.date
}
}
};
const options = {
url: '<service url>',
method: 'POST',
headers: headers,
json: form
};
req(options, function(error, resp, body) {
if (body) {
console.log(body);
} else if (error) {
console.log(error);
}
});
},
'default': () => {
// Use the Actions on Google lib to respond to Google requests; for other requests use JSON
if (requestSource === googleAssistantRequest) {
let responseToUser = {
speech: 'これはDialogflowからのメッセージです',
text: 'これはDialogflowからのメッセージです'
};
sendGoogleResponse(responseToUser);
} else {
let responseToUser = {
speech: 'これはDialogflowからのメッセージです',
text: 'これはDialogflowからのメッセージです'
};
sendResponse(responseToUser);
}
}
};
if (!actionHandlers[action]) {
action = 'default';
}
actionHandlers[action]();
}
exports.dialogflowFirebaseFulfillment = functions.https.onRequest((request, response) => {
console.log('Dialogflow Request headers: ' + JSON.stringify(request.headers));
console.log('Dialogflow Request body: ' + JSON.stringify(request.body));
if (request.body.result) {
addTask(request, response);
} else {
console.log('不正なリクエストです');
return response.status(400).end('不正なWebhookのリクエストです。v1かv2のWebhookリクエストを利用してください。');
}
});
})();