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index.js
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index.js
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const express = require('express')
const bodyParser = require('body-parser')
const app = express()
app.use(bodyParser.json())
app.set('port', (process.env.PORT || 5000))
const AUTH_TOKEN = 'an-example-token'
//export js files
var userManage = require('./userManage');
var serverValid = require('./serverValid');
var utilFunc = require('./utilFunction');
//make files
var fs = require('fs');
app.get('/', function (req, res) {
res.send('Use the /webhook endpoint.')
})
app.get('/webhook', function (req, res) {
res.send('You must POST your request')
})
app.post('/webhook', function (req, res) {
// we expect to receive JSON data from api.ai here.
// the payload is stored on req.body
console.log("## req.body ## \n%j", req.body)
// Check authentication token
serverValid.authCheck(req, AUTH_TOKEN)
// Check request validation
serverValid.valCheck(req);
// the value of Action from api.ai is stored in req.body.result.action
console.log('* Received action -- %s', req.body.result.action)
var actionName = req.body.result.action;
var userName = "David";
var fileNm = userName + '.txt';
var userType = userManage.checkUser(fileNm);
var greetings = "";
var remainOrder = {};
if (actionName === "input.welcome" && userName !== "") {
console.log("## input.welcome Action in with user-name ##")
// parameters are stored in req.body.result.parameters
if (userType === "newUser") {
greetings += "Nice to meet you ";
greetings += userName.toString();
greetings += ":wave: \n I am CoffeeMe Bot :robot_face: \n Schedule your coffee and receive at your desk :seat:"
greetings += "\nPlease order your Coffee :coffee:";
} else {
greetings += "Welcome back ";
greetings += userName.toString();
greetings += ":sunglasses: \n I am CoffeeMe Bot :robot_face: \n Schedule your coffee and receive at your desk :seat:"
greetings += "\nWhich coffee is in your mind?"
}
greetings = greetings.toString();
var webhookReply = {
"slack": {
"text": greetings,
"attachments": [
{
"text": "You can simply type or choose from here..",
"fallback": "You are unable to choose a coffee",
"callback_id": "wopr_coffee",
"color": "#724f0c",
"attachment_type": "default",
"actions": [
{
"name": "Coffee",
"text": "Caffe Americano",
"type": "button",
"value": "Caffe Americano"
},
{
"name": "Coffee",
"text": "Caffe Latte",
"type": "button",
"value": "Caffe Latte"
},
{
"name": "Coffee",
"text": "Cappuccino",
"type": "button",
"value": "Cappuccino"
},
{
"name": "Coffee",
"text": "Caffe Mocha",
"type": "button",
"value": "Caffe Mocha"
},
{
"name": "Coffee",
"text": "Brewed Coffee",
"type": "button",
"value": "Brewed Coffee"
},
{
"name": "Coffee",
"text": "Espresso",
"type": "button",
"value": "Espresso"
}
]
}
]
}
}
if (userType === "oldUser") {
// Check if the order is in process
remainOrder = utilFunc.getDataArray(fileNm, actionName);
var callback_id = remainOrder.slack.attachments[0].callback_id;
if ( callback_id === "wopr_cannotorder"){
webhookReply = remainOrder;
}
}
} else if (actionName === "input.orderdone") {
var coffee = req.body.result.contexts[1].parameters['Coffee'];
var size = req.body.result.contexts[1].parameters['Size'];
var dairy = req.body.result.contexts[1].parameters['Dairy'];
var hotOrIced = req.body.result.contexts[1].parameters['Hot-or-Ice'];
var inputTime = req.body.result.contexts[1].parameters['time'];
var today = new Date();
//Change to UTC+1
today.setHours(today.getHours() + 1);
//input time remove ':'
inputTime = inputTime.replace(":","").replace(":","");
console.log("## UTC Time : " + today);
var deliveryTime = "";
var orderDateTime = "";
//[1]: in order, [2]: ordered, [3]: canceled
var orderStatus = "1"; //new order set
var scheduleYn = "N";
console.log("## coffee : " + coffee);
console.log("## size : " + size);
var price = utilFunc.getPrice(coffee, size);
console.log("## price : " + price);
if (inputTime === "") {
scheduleYn = "N";
deliveryTime = utilFunc.getDirectDeliveryTime();
} else {
console.log("## InputTime : " + inputTime);
scheduleYn = "Y";
deliveryTime = inputTime;
var timeOrderOk = utilFunc.checkTime(inputTime, today);
if (timeOrderOk) {
console.log("## Time order okey");
} else {
console.log("## Time order wrong");
webhookReply = {
"slack": {
"text": "",
"attachments": [
{
"text": "You can only schedule for future time (more than 10 minutes) today!\nPlease give me another time.",
"fallback": "Something is wrong with time.",
"callback_id": "wopr_time",
"color": "#b72110",
"attachment_type": "default"
}
]
}
}
}
}
orderDateTime = utilFunc.getDateTime(today);
console.log("## input_orderDateTime : " + orderDateTime);
console.log("## input_orderStatus : " + orderStatus);
console.log("## input_hotOrIced : " + hotOrIced);
console.log("## input_dairy : " + dairy);
console.log("## input_scheduleYn : " + scheduleYn);
console.log("## input_deliveryTime : " + deliveryTime);
if (coffee && size && hotOrIced && orderDateTime && deliveryTime && timeOrderOk) {
console.log("## Mandatory field success!");
//userName|orderDateTime|orderStatus|coffee|size|hotOrIced|dairy|deliveryTime|scheduleYn|price
var data = userName + ',' + orderDateTime + ',' + orderStatus + ',' + coffee + ',' + size + ',' + hotOrIced + ',' + dairy + ',' + deliveryTime + ',' + scheduleYn + ',' + price + '\n';
//Create File
if(userType === 'newUser'){
fs.writeFileSync(fileNm, data);
console.log("## FILE [" + fileNm + "] has been made.");
}else{
fs.appendFileSync(fileNm, data, function(err){
if(err) throw err;
console.log("## "+fileNm+" Updated!!");
});
}
console.log("## Read File ##\n" + fs.readFileSync(fileNm, 'utf8'));
}
} else if(actionName === "input.orderstatus" && userName !== "" && userType ==="oldUser"){
console.log("## input.orderstatus Action with user-name ##");
//set split string to array
webhookReply = utilFunc.getDataArray(fileNm, actionName);
} else if(actionName === "input.cancelcheck" && userName !== "" && userType === "oldUser"){
console.log("## input.cancelcheck Action with user-name ##");
//set split string to array
webhookReply = utilFunc.getDataArray(fileNm, actionName);
} else if(actionName === "input.ordercancel" && userName !== "" && userType === "oldUser"){
console.log("## input.ordercancel Action with user-name ##");
//set split string to array
webhookReply = utilFunc.cancelOrder(fileNm);
}else {
console.log("## Action not catched!! ##");
}
//console.log("## webhookReply : %j", webhookReply);
// the most basic response
res.setHeader('Content-Type', 'application/json');
res.status(200).json({
source: 'webhook',
data: webhookReply,
speech: "",
displayText: ""
})
})
app.listen(app.get('port'), function () {
console.log('* Webhook service is listening on port:' + app.get('port'))
})