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app.js
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app.js
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const path = require('path');
const express = require('express');
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const mongoose = require('mongoose');
const dotenv = require('dotenv');
const session = require('express-session');
const multer = require('multer');
const csrf = require("csurf");
const MongoDBStore = require('connect-mongodb-session')(session);
const Staff = require('./models/staff');
const app = express();
dotenv.config();
//Routes import
const homeRoutes = require('./routes/home');
const attendanceRoutes = require('./routes/attendance');
const infoCheckRoutes = require('./routes/info-check');
const authRoutes = require('./routes/auth');
const adminRoutes = require('./routes/admin');
const errorController = require('./controllers/error');
//Mongodb connection states
const connect = async () => {
try {
await mongoose.connect(process.env.MONGODB);
console.log("---------------------------------------------------")
console.log("NOTE: ready states being:")
console.log("0: disconnected")
console.log("1: connected")
console.log("2: connecting")
console.log("3: disconnecting")
console.log("---------------------------------------------------")
console.log("Ready state:" + mongoose.connection.readyState);
} catch (error) {
throw error;
}
};
mongoose.connection.on("disconnected", () => {
console.log("Ready state:" + mongoose.connection.readyState);
console.log("mongoDB disconnected!");
});
// Store sessions in MongoDB
const store = new MongoDBStore({
uri: process.env.MONGODB,
collection: "sessions",
});
//CSRF protection
const csrfProtection = csrf({});
//Store images and files
const fileStorage = multer.diskStorage({
destination: (req, file, cb) => {
cb(null, "images");
},
filename: (req, file, cb) => {
cb(null, new Date().toISOString().slice(0, 13) + "-" + file.originalname);
},
});
//Filter suitable image file format
const fileFilter = (req, file, cb) => {
if (
file.mimetype === "image/png" ||
file.mimetype === "image/jpg" ||
file.mimetype === "image/jpeg"
) {
cb(null, true);
} else {
cb(null, false);
}
};
// View engine
app.set('view engine', 'ejs');
app.set('views', 'views');
//Middlewares using declaration
app.use(cookieParser())
app.use(express.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, 'public')));
app.use("/images", express.static(path.join(__dirname, "images")));
app.use(multer({ storage: fileStorage, fileFilter: fileFilter }).single("image"));
app.use(
session({
secret: "my secret",
resave: false,
saveUninitialized: false,
store: store
})
);
app.use(csrfProtection);
app.use((req, res, next) => {
if (!req.session.staff) {
res.locals.role = false;
return next();
}
Staff.findById(req.session.staff._id)
.then((staff) => {
req.staff = staff;
if (staff.role === "admin") {
res.locals.role = "admin";
return next();
}
res.locals.role = "staff";
next();
})
.catch((err) => console.log(err));
});
app.use((req, res, next) => {
res.locals.isAuthenticated = req.session.isLoggedIn;
res.locals.csrfToken = req.csrfToken();
next();
});
app.use(homeRoutes);
app.use(attendanceRoutes);
app.use(infoCheckRoutes)
app.use(adminRoutes);
app.use(authRoutes);
app.use(errorController.get404);
mongoose
.connect(process.env.MONGODB)
.then(result => {
Staff.findOne({ username: "admin" }).then(staff => {
if (!staff) {
const adminStaff = new Staff({
username: "admin",
password: "123456",
role: "admin",
name: 'Nguyen Van A',
doB: new Date(1989, 07, 10),
salaryScale: 1.5,
startDate: new Date(2022, 07, 10),
department: 'IT',
annualLeave: 12,
imageUrl: './images/admin.jpg',
workStatus: null,
isConfirm: null,
workTimes: [],
totalTimeWork: null,
leaveInfoList: [],
bodyTemperature: [],
vaccineInfo: [],
covidInfection: []
});
adminStaff.save();
}
});
Staff.findOne({ username: "staff" }).then(staff => {
if (!staff) {
const normalStaff = new Staff({
username: "staff",
password: "123456",
role: "staff",
name: 'Nguyen Van B',
doB: new Date(1989, 07, 10),
salaryScale: 1.5,
startDate: new Date(2022, 07, 10),
department: 'HR',
annualLeave: 12,
imageUrl: './images/staff1.jpg',
workStatus: null,
isConfirm: null,
workTimes: [],
totalTimeWork: null,
leaveInfoList: [],
bodyTemperature: [],
vaccineInfo: [],
covidInfection: []
});
normalStaff.save();
}
});
Staff.findOne({ username: "staff2" }).then(staff => {
if (!staff) {
const anotherStaff = new Staff({
username: "staff2",
password: "123456",
role: "staff",
name: 'Nguyen Van C',
doB: new Date(1989, 07, 10),
salaryScale: 1.5,
startDate: new Date(2022, 07, 10),
department: 'HR',
annualLeave: 12,
imageUrl: './images/staff2.jpg',
workStatus: null,
isConfirm: null,
workTimes: [],
totalTimeWork: null,
leaveInfoList: [],
bodyTemperature: [],
vaccineInfo: [],
covidInfection: []
});
anotherStaff.save();
}
});
app.listen(process.env.PORT || 8080, '0.0.0.0', () => {
connect();
console.log("Connected to backend.");
});
})
.catch(err => {
console.log(err);
});