我正在构建一个Alexa技能,它需要我存储用户的userId。我试图用event.session.user.userId
来检索它。但是,当我拨打console.log(event.session.user.userId)
时,输出字面上是amzn1.ask.account.[unique-value-here]
。我查看了几个类似的问题,没有一个能够为我提供足够明确的答案。如何获取Alexa用户ID?
我不确定这是一个bug,一个开发人员唯一的事情,或者userId是匿名的。如果是这样,有没有办法获得实际的userId?我想可能会有,因为亚马逊已经在这里写完整的指南:
但是,经过漫长的一天的调试之后,我不确定什么是真的,什么是不再。
var request = require('request');
var firebase = require('firebase');
var config = {
apiKey: "my-api-key",
authDomain: "stuff...",
databaseURL: "more stuff...",
storageBucket: "even more stuff...",
};
firebase.initializeApp(config);
// Get a reference to the database
var database = firebase.database();
exports.handler = (event, context) => {
try {
// New session
if (event.session.new) {
// New Session
console.log("NEW SESSION");
}
// Launch Request
switch (event.request.type) {
case "LaunchRequest":
var url = "https://api.random.org/json-rpc/1/invoke";
var myRequest = {
"jsonrpc": "2.0",
"method": "generateStrings",
"params": {
"apiKey": "another-api-key",
"n": "1",
"length": "3",
"characters": "abcdefghijklmnopqrstuvwxyz"
},
"id": 24
}
var pin;
request.post(
url,
{json: myRequest},
function (error, response, body) {
if (!error && response.statusCode == 200) {
console.log(event.session.user.userId); // **Here**, output is literally amzn1.ask.account.[unique-value-here]
pin = body.result.random.data[0];
writeUserPin(pin);
var welcome = "Welcome";
var pinStatement = "Your 3 letter or number pin is: " + processPinForSpeech(pin);
context.succeed(
generateResponse(
buildSpeechletReponse(welcome + pinStatement, true),
{}
)
);
console.log(pin);
}
else {
console.log(error);
}
}
);
console.log("LAUNCH REQUEST");
break;
// Intent Request
case "IntentRequest":
console.log("INTENT REQUEST");
break;
// Session Ended Request
case "SessionEndedRequest":
console.log("SESSION ENDED REQUEST");
break;
default:
context.fail(`INVALID REQUEST TYPE: ${event.request.type}`);
}
}
catch (error) {
context.fail(`Exception: ${error}`);
}
}
// Helpers
buildSpeechletReponse = (outputText, shouldEndSession) => {
return {
outputSpeech : {
type: "PlainText",
text: outputText
},
shouldEndSession: shouldEndSession
};
}
generateResponse = (speechletResponse, sessionAttributes) => {
return {
version: "1.0",
sessionAttributes: sessionAttributes,
response: speechletResponse
};
}
function writeUserPin(pin) {
console.log("writing stuff");
firebase.database().ref('newPins/' + pin).set({
num : ""
});
}
function processPinForSpeech(pin) {
var wordNumArr = ["zero", "one", "two", "three", "four",
"five", "six", "seven", "eight", "nine"];
processedPin = "";
for (i = 0; i < pin.length; i++){
var currentChar = pin.charAt(i);
if (isNaN(Number(currentChar))){
processedPin += currentChar + ". ";
}
else {
processedPin += wordNumArr[Number(currentChar)] + ". ";
}
}
return processedPin
}
以下是对CloudWatch的日志输出:
16:16:19
START RequestId: 48e335c5-d819-11e6-bc01-a939911adc24 Version: $LATEST
16:16:19
2017-01-11T16:16:19.639Z 48e335c5-d819-11e6-bc01-a939911adc24 NEW SESSION
16:16:19
2017-01-11T16:16:19.758Z 48e335c5-d819-11e6-bc01-a939911adc24 LAUNCH REQUEST
16:16:20
2017-01-11T16:16:20.457Z 48e335c5-d819-11e6-bc01-a939911adc24 amzn1.ask.account.[unique-value-here]
16:16:20
2017-01-11T16:16:20.457Z 48e335c5-d819-11e6-bc01-a939911adc24 writing stuff
16:16:20
2017-01-11T16:16:20.520Z 48e335c5-d819-11e6-bc01-a939911adc24 dd2
16:16:20
END RequestId: 48e335c5-d819-11e6-bc01-a939911adc24
16:16:20
REPORT RequestId: 48e335c5-d819-11e6-bc01-a939911adc24 Duration: 1005.48 ms Billed Duration: 1100 ms Memory Size: 128 MB Max Memory Used: 38 MB
首先,非常感谢您的回答!它非常详细。有一件事我不确定我的理解是,如果所有这些值都相同,我可以通过将其event.session.user.userId保存到Firebase来唯一标识用户。你能解释一下吗? –
他们只对你的技能的个人用户是一样的;例如,在amzn1.ask.account之后,其他使用不同回声技能的人会拥有不同的唯一值。因此,对于任何给定的用户,您可以将此值保存到任何数据存储区 - 而不仅仅是Firebase - 并且该值对该用户是唯一的。 –
那么为什么我的价值字面意思是“[unique-value-here]”,而不是一个随机的字符串?是因为我是开发人员吗? –