musicrec-ommen-dation1ystem/index.js

A sophisticated music recommendation system that suggests personalized playlists based on user preferences and listening history. It employs machine learning techniques to analyze music patterns and provide tailored recommendations.

// Import necessary modules
const express = require('express');
const bodyParser = require('body-parser');
const ml = require('machine-learning-library');
const app = express();

// Set up middleware
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

// Simulate user's listening history and preferences
const userListeningHistory = [
  { id: 1, name: 'Song 1', artist: 'Artist 1', genre: 'pop', mood: 'happy', duration: '3:45', year: 2020 },
  { id: 2, name: 'Song 2', artist: 'Artist 2', genre: 'rock', mood: 'energetic', duration: '4:20', year: 2019 },
  { id: 3, name: 'Song 3', artist: 'Artist 3', genre: 'jazz', mood: 'relaxing', duration: '5:10', year: 2021 }
];

const userPreferences = {
  genre: 'pop',
  mood: 'happy',
  favoriteArtists: ['Artist 1', 'Artist 4'],
  minDuration: '4:00',
  maxYear: 2020
};

// Machine Learning model for music recommendation
const musicRecommendationModel = ml.createModel('music-recommendation');

// Route handlers
app.get('/', (req, res) => {
  res.send('Welcome to our advanced music recommendation system!');
});

app.get('/recommendations', (req, res) => {
  // Handle request to get personalized song recommendations
  // Use machine learning algorithms to analyze user's listening history and preferences
  // Return a list of personalized song recommendations
  const recommendations = musicRecommendationModel.recommend(userListeningHistory, userPreferences);
  res.json(recommendations);
});

// Route to update user preferences
app.put('/preferences', (req, res) => {
  const updatedPreferences = req.body;
  // Update user's preferences in the database or storage
  userPreferences.genre = updatedPreferences.genre || userPreferences.genre;
  userPreferences.mood = updatedPreferences.mood || userPreferences.mood;
  userPreferences.favoriteArtists = updatedPreferences.favoriteArtists || userPreferences.favoriteArtists;
  userPreferences.minDuration = updatedPreferences.minDuration || userPreferences.minDuration;
  userPreferences.maxYear = updatedPreferences.maxYear || userPreferences.maxYear;
  res.json({ message: 'User preferences updated successfully', preferences: userPreferences });
});

// Start the server
const port = 3000;
app.listen(port, () => {
  console.log(`Server is running on port ${port}`);
});