我正在尝试使用Nodejs使用IBM云功能将IBM Watson bot与twilio,whatsapp集成。我按照以下博客提出了此代码
https://www.codechain.com.br/2019/02/20/ibm-cloud-alem-do-watson-whatsapp-gateway-100-serverless/
请查找以下代码以供参考:
var AssistantV2 = require( 'ibm-watson/assistant/v2' )
var twilio = require ( 'twilio' ) ;
async function main ( parameters ) {
try {
var assistant = new AssistantV2({
version: '2019-02-28',
iam_apikey: 'bvrhobm4Qo_doePXhG6DoSPgGuYF-bjvhCxajiKFG0n2',
url: 'https://api.jp-tok.assistant.watson.cloud.ibm.com'
});
// printing values received by twilio (message sent by the user)
console.log ( 'parameters received from twilio:' , parameters ) ;
console.log ( 'AccountSid:' + parameters.AccountSid ) ;
console.log ( 'Body:'+ parameters.Body ) ;
console.log ( 'From:'+ parameters.From ) ;
console.log ( 'NumMedia:' + parameters.NumMedia ) ;
console.log ( 'MediaContentType0:' + parameters.MediaContentType0 ) ;
console.log ( 'MediaUrl0:' + parameters.MediaUrl0 ) ;
// inform the user who received your message
// this line is only for testing, in a real scenario a chatbot integration should be called
parameters.message = assistant.message({
assistantId: '2ad35fd3-bc65-4f93-bfa2-5e27fba82d96',
sessionId: parameters.sid,
input: {
'message_type': 'text',
'text': parameters.Body
}
})
.then(res => {
console.log(JSON.stringify(res, null, 2));
})
.catch(err => {
console.log(err);
});
await callTwilio ( parameters ) ;
console.log ( 'whatsapp call ended' ) ;
return {
statusCode: 200 ,
headers: { 'Content-Type' : 'application / json' } ,
body: { Body: 'success' } ,
} ;
} catch ( err ) {
console.log ( err )
return Promise. reject ( {
statusCode: 500 ,
headers: { 'Content-Type' : 'application / json' } ,
body: { message: err.message } ,
} ) ;
}
}
async function callTwilio ( parameters ) {
console.log ( 'joined twilio' ) ;
var client = new twilio ( parameters.AccountSid, parameters.authToken ) ;
await client.messages. create ( {
body: parameters.message,
to: parameters.From,
from: 'whatsapp:+' + parameters.telephoneOrigin
} )
. then ( ( message ) => console. log ( message.sid ) ) ;
console.log ( 'left twilio' ) ;
}
但是我收到以下错误响应:
Results:
{
"error": {
"body": {
"message": "username is required"
},
"headers": {
"Content-Type": "application / json"
},
"statusCode": 500
}
}
看来对于IBM Watson的身份验证未正确完成
在NPM文档中,以下为https://www.npmjs.com/package/ibm-watson
const AssistantV2 = require('ibm-watson/assistant/v2');
const { IamAuthenticator } = require('ibm-watson/auth');
const assistant = new AssistantV2({
authenticator: new IamAuthenticator({ apikey: '<apikey>' }), // need to use this
url: 'https://gateway.watsonplatform.net/assistant/api/',
version: '2018-09-19'
});
assistant.message(
{
input: { text: "What's the weather?" },
assistantId: '<assistant id>',
sessionId: '<session id>',
})
.then(response => {
console.log(JSON.stringify(response.result, null, 2));
})
.catch(err => {
console.log(err);
});
您拥有的代码对于npm模块ibm-watson的4.x早期版本是正确的。 @Andrei显示的代码对于5.x版本部分正确。我猜想您已经克隆了一个4.x版本具有package.json依赖关系的存储库。
如果是这种情况,则需要在package.json
中修改相关性。当前版本是5.3.1
然后运行npm install
以提取ibm-watson
程序包的更新版本。
您的身份验证应基于API文档-https://cloud.ibm.com/apidocs/assistant/assistant-v2?code=node
const AssistantV2 = require('ibm-watson/assistant/v2');
const { IamAuthenticator } = require('ibm-watson/auth');
const assistant = new AssistantV2({
version: '{version}',
authenticator: new IamAuthenticator({
apikey: '{apikey}',
}),
url: 'https://api.jp-tok.assistant.watson.cloud.ibm.com',
});
但是您需要创建一个会话。
let sessionID = null;
assistant.createSession({
assistantId: '{assistant_id}'
})
.then(res => {
if (res && res.session_id) {
sessionID = res.session_id;
}}
})
.catch(err => {
console.log(err);
});
然后您可以将消息发送到助手服务。
顺便说一句,因为您在答案中共享了APIKey,端点URL和助手ID,所以任何人都非常容易使用它。您将需要撤销密钥并创建一个新密钥,因为您现有的密钥现在已被破坏。