// app.js

​

const express = require('express');

const bodyParser = require('body-parser');

const mongoose = require('mongoose');

const cors = require('cors');

​

const app = express();

​

const User = require('./models/User');

​

app.use(bodyParser.json());

app.use(cors());

​

mongoose.connect('mongodb://localhost/myDatabase', { useNewUrlParser: true, useUnifiedTopology: true })

  .then(() => {

    console.log('Connected to database');

  })

  .catch(() => {

    console.log('Connection failed');

  });

​

app.get('/users', (req, res) => {

  const pageSize = 10; // Number of items per page

  const currentPage = req.query.page || 1; // Current page number, default to 1

​

  User.find()

    .skip((pageSize * currentPage) - pageSize) // Skip items based on page number

    .limit(pageSize) // Limit items to page size

    .then(users => {

      res.status(200).json({

        message: 'Users fetched successfully',

        users: users

      });

    })

    .catch(error => {

      res.status(500).json({

        message: 'Fetching users failed',

        error: error

      });

    });

});

​

module.exports = app;