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index.js
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index.js
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const mysql = require('mysql');
const express=require('express');
const cors = require('cors');
var app=express();
const bodyparser=require('body-parser');
app.use(cors());
app.use(bodyparser.json());
//Establish connection with mysql
var con = mysql.createConnection({
host: "localhost",
user: "",
password: "",
database: "wasterage"
});
//Return connection status
con.connect(function(err) {
if (err) throw err;
console.log("Connected!");
});
//Define Port
app.listen(8080,()=>
console.log('Server started at port 8080')
);
var key = ""; //API Key Here
//Bin
const bin='/bin';
//CREATE
app.post(bin,(req,res)=>{
let specs=req.body;
con.query("INSERT INTO Bin SET ?",specs,(err,rows,fields)=>{
if(err) throw err;
res.send(JSON.stringify(rows["insertId"]))
})
})
//READ
app.get(bin,(req,res)=>{
con.query('SELECT * from Bin',(err,rows,fields)=>{
if(err) throw err;
res.json(rows);
})
})
//Update
app.put(bin+'/:Bin_ID',(req,res)=>{
let task=req.body;
con.query('UPDATE Bin SET `level`=? where `Bin_Id`=?',[task.filled,req.params.Bin_Id],(err,rows,fields)=>{
if(err) throw err;
res.send('Updated Successfully')
})
})
//Citizen
const citizen = "/citizen";
var salt = bcrypt.genSaltSync(10);
//CREATE
app.post(citizen,(req,res)=>{
let user = req.body;
var hash = bcrypt.hashSync(user["password"], salt);
user["password"] = hash;
con.query("INSERT INTO Citizen SET ?",user,(err,rows,fields)=>{
if(err) throw err;
res.send(JSON.stringify(rows))
})
})
//Login
app.get(citizen+'/:email/:password',(req,res)=>{
con.query('SELECT password from Citizen where `email`=?',[req.params.email], (err,rows,fields)=>{
if(err) throw err;
if(rows.length == 1) {
let pass = rows[0]["password"];
let out = {
"exists" : 1,
"valid": bcrypt.compareSync(req.params.password, pass)
}
} else {
let out = {
"exists" : 0
}
}
res.send(out);
})
})
//Driver
const driver = "/driver";
//CREATE
app.post(driver,(req,res)=>{
let user = req.body;
var hash = bcrypt.hashSync(user["password"], salt);
user["password"] = hash;
con.query("INSERT INTO Driver SET ?",user,(err,rows,fields)=>{
if(err) throw err;
res.send(JSON.stringify(rows))
})
})
//Login
app.get(driver+'/:email/:password',(req,res)=>{
con.query('SELECT password from Driver where `email`=?',[req.params.email], (err,rows,fields)=>{
if(err) throw err;
if(rows.length == 1) {
let pass = rows[0]["password"];
let out = {
"exists" : 1,
"valid": bcrypt.compareSync(req.params.password, pass)
}
} else {
let out = {
"exists" : 0
}
}
res.send(out);
})
})
//Route Optimization
app.get('/route/:latitude/:longitude',(req,res)=>{
con.query('SELECT latitude, longitude from Bin where level = 1',(err,rows,fields)=>{
if(err) throw err;
getCoordinates([req.params.latitude], [req.params.longitude], rows).then(
function(result){
var coordinates = JSON.stringify(result);
res.send(coordinates);
}
)
})
})
async function getCoordinates(originLat, originLong, dustbins){
let apiUrl = 'https://api.tomtom.com/routing/1/calculateRoute/'+ originLat +',' + originLong + ':';
for (let val of dustbins){
apiUrl+= val['latitude'] + ',' + val['longitude'] + ":" ;
}
apiUrl+= originLat +',' + originLong +'/json?key='+key+'&computeBestOrder=true';
var distance = 0;
let route = await fetch(apiUrl)
.then(resp => resp.json())
.then(resp => {
try {
let coordinates = resp["routes"][0]["legs"][0]["points"];
distance = resp['routes'][0]['summary']['lengthInMeters'];
let coord = [];
for (let val of coordinates){
coord.push({
latitude: val["latitude"],
longitude: val["longitude"],
});
}
return coord;
} catch (error) {
return [];
}
});
return {
"distance" : distance/1000,
"coordinates" : route
};
}