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app.js
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app.js
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const dialogflow = require('dialogflow');
const uuid = require('uuid');
const express = require('express');
const bodyParser = require('body-parser');
const app = express();
const port = 5000;
// A unique identifier for the given session
const sessionId = uuid.v4();
app.use(bodyParser.urlencoded({
extended:false
}))
//------------------------------------------------------------------------------------------
app.use(function (req, res, next) {
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');
res.setHeader('Access-Control-Allow-Credentials', true);
// Pass to next layer of middleware
next();
});
//------------------------------------------------------------------------------------------
app.post('/send-msg',(req,res)=>{
runSample(req.body.MSG).then(data=>{
// runSample(req.body.message-input).then(data=>{
res.send({Reply:data})
})
})
/**
* Send a query to the dialogflow agent, and return the query result.
* @param {string} projectId The project to be used
*/
async function runSample(msg,projectId ='chatbot-lgrqiw') {
// Create a new session
const sessionClient = new dialogflow.SessionsClient({
keyFilename:"C:/Users/ahmed/projects/SMART_BOT_JS/ChatBot-62e77384f222.json"
});
const sessionPath = sessionClient.sessionPath(projectId, sessionId);
// The text query request.
const request = {
session: sessionPath,
queryInput: {
text: {
// The query to send to the dialogflow agent
// text: 'I want to learn JAVASCRIPT',
// text: 'hello',
text: msg,
// The language used by the client (en-US)
languageCode: 'en-US',
},
},
};
// Send request and log result
const responses = await sessionClient.detectIntent(request);
console.log('Detected intent');
const result = responses[0].queryResult;
console.log(` Query: ${result.queryText}`);
console.log(` Response: ${result.fulfillmentText}`);
if (result.intent) {
console.log(` Intent: ${result.intent.displayName}`);
} else {
console.log(` No intent matched.`);
}
return result.fulfillmentText;
}
app.listen(port,()=>{
console.log("running on port "+port)
})