server.js

require('dotenv').config();
const hbs = require('express-handlebars');
const express = require('express');
const session = require('express-session');
const { urlencoded } = require('express');
const path=require('path');
const app = express();

//Use Session 
app.set('trust proxy', 1) // trust first proxy
app.use(session({
    secret: 'secret-key-123',
    resave: false,
    saveUninitialized: true,
    cookie: {
        secure: false,
        maxAge: 30*24*60*60*1000},
}))
app.use(function(req,res,next){
    res.locals.session=req.session;
    next();
})


//Router and model
const RegisterRouter=require('./routers/register.r');
const LoginRouter=require('./routers/login.r');
const LogoutRouter=require('./routers/logout.r');
const SearchRouter=require('./routers/search.r');
const DetaiDrugRouter=require('./routers/detail-drug.r');
const ProfileRouter=require('./routers/profile.r');
const DetailDoctorRouter=require('./routers/detail-doctor.r');
const DocumentRouter=require('./routers/doc.r');
const EditRouter=require('./routers/edit.r');

const doctorM=require('./model/Doctors.m');

//Use static resources
app.use(express.static(path.join(__dirname, '/public')))

app.use(express.urlencoded({
    extended: true
}))

app.use(express.json())

//Template engine
app.engine('hbs', hbs.engine({
    extname: 'hbs',
    defaultLayout: 'main',
    layoutsDir: path.join(__dirname, '/views/layouts'),
    partialsDir: [
        path.join(__dirname, '/views/partials')
    ],
    helpers: {
        ifEquals: function(a, b, options) {
            if (a === b) {
              return options.fn(this);
            }
            return options.inverse(this);
        },
        sum: function(a, b) {
            return a+b;
        },
        createInput: function(n) {
            var listRow = '';
            for(var i = 0; i < n; ++i)
            {
                listRow += 
                `
                <tr>
                    <th scope="row" class="text-center">${i + 1}</th>
                    <td class="text-center"><input type="number" class="text-center" name="sobenhnhan-${i + 1}" min="0"></td>
                    <td class="text-center"><input type="number" class="text-center" name="doanhthu-${i + 1}" min="0"></td>
                    <td class="text-center"><input type="text" class="text-center" id="tyle-${i + 1}" name="tyle-${i + 1}" required onkeydown="return false;" style="caret-color: transparent !important;" autocomplete="off"></td>
                </tr>
                `;
            }
            return listRow;
        },
        createOutput: function(n) {
            var listRow = '';
            for(var i = 0; i < n; ++i)
            {
                listRow += 
                `
                <tr>
                    <th scope="row" class="text-center">${i + 1}</th>
                    <td class="text-center"><input type="number" class="text-center" name="sobenhnhan-${i + 1}" value="{{data.sobenhnhan-${i + 1}}}" min="0"></td>
                    <td class="text-center"><input type="number" class="text-center" name="doanhthu-${i + 1}" value="{{data.doanhthu-${i + 1}}}" min="0"></td>
                    <td class="text-center"><input type="text" class="text-center" id="tyle-${i + 1}" name="tyle-${i + 1}" value="{{data.tyle-${i + 1}}}" required onkeydown="return false;" style="caret-color: transparent !important;" autocomplete="off"></td>
                </tr>
                `;
            }
            return listRow;
        },
        indexOf: function(context,ndx) {
            return context[ndx];
          }
    }
}));
app.set('view engine', 'hbs');
app.set('views', path.join(__dirname, '/views'));

//Route

app.use('/dang-ky-tai-khoan',RegisterRouter);
app.use('/dang-nhap',LoginRouter);
app.use('/dang-xuat',LogoutRouter);
app.use('/tim-kiem',SearchRouter);
app.use('/thuoc',DetaiDrugRouter);
app.use('/tai-khoan',ProfileRouter);
app.use('/bac-si',DetailDoctorRouter);
app.use('/tai-lieu',DocumentRouter);
app.use('/chinh-sua',EditRouter);


app.get('/', async(req, res, next) => {
    const doctors=await doctorM.getAll();
    let role="patient";
    if (req.session.Doctor) {
        role="doctor";
    }
    if (req.session.Username) {
        res.render('home', { display1: "d-none", display2: "d-block", doctors:doctors, role:role});
    }
    else {
        res.render('home', { display1: "d-block", display2: "d-none", doctors:doctors, role:role});
    }
});


app.all('*',function(req, res) {
    let role="patient";
    if (req.session.Doctor) {
        role="doctor";
    }
    if (req.session.Username) {
        res.render('page-not-found', { display1: "d-none", display2: "d-block", role:role});
    }
    else {
        res.render('page-not-found', { display1: "d-block", display2: "d-none", role:role});
    }
});


module.exports = app;