app javascript

const express = require('express');
const bodyParser = require('body-parser');
const mongoose = require('mongoose');
const Vote = require('./models/vote');

const app = express();
app.use(bodyParser.json());

// Connect to MongoDB
mongoose.connect('mongodb://localhost:27017/voting', { useNewUrlParser: true, useUnifiedTopology: true });

// RESTful API for receiving vote submissions
app.post('/api/vote', async (req, res) => {
  const { pollId, optionId, voterId } = req.body;

  // Validate the request body
  if (!pollId || !optionId || !voterId) {
    return res.status(400).json({ error: 'Missing required fields' });
  }

  // Create a new vote document
  const vote = new Vote({
    poll: pollId,
    option: optionId,
    voter: voterId
  });

  try {
    // Save the vote to the database
    await vote.save();
    res.status(201).json({ message: 'Vote submitted successfully' });
  } catch (err) {
    console.error(err);
    res.status(500).json({ error: 'Failed to submit vote' });
  }
});

// Start the server
const port = process.env.PORT || 3000;
app.listen(port, () => console.log(`Server started on port ${port}`));