Creating a full-featured commercial music sharing website like Napster is a very large undertaking—requiring significant development, infrastructure, legal considerations, and more. However, I can **help you get started** with a basic Ruby on Rails application that allows **user accounts** and **unlimited music uploads** (audio file uploads), and displays a list of uploaded tracks. **You can build upon this foundation.**
**Note:**
Deploying a commercial music-sharing site involves legal and copyright considerations. This example is for educational purposes and assumes you’re uploading your own original music.
---
## Step 1: Create a New Rails App
```bash
rails new napster_clone --skip-javascript --skip-hotwire --database=sqlite3
cd napster_clone
```
---
## Step 2: Add Required Gems
Edit your `Gemfile` to add authentication and file upload:
```ruby
gem 'devise' # For user authentication
gem 'image_processing', '~> 1.2'
gem 'active_storage_validations'
```
Then run:
```bash
bundle install
```
---
## Step 3: Set Up Authentication
```bash
rails generate devise:install
rails generate devise User
rails db:migrate
```
---
## Step 4: Set Up ActiveStorage (for music uploads)
```bash
rails active_storage:install
rails db:migrate
```
---
## Step 5: Create a Track Model
```bash
rails generate scaffold Track title:string user:references
rails db:migrate
```
Add attachment support to your `Track` model:
```ruby
# app/models/track.rb
class Track < ApplicationRecord
belongs_to :user
has_one_attached :audio
validates :audio, attached: true, content_type: ['audio/mpeg', 'audio/mp3', 'audio/wav']
end
```
---
## Step 6: Update the Tracks Controller
Ensure only logged-in users can upload, and associate tracks with users.
```ruby
# app/controllers/tracks_controller.rb
class TracksController < ApplicationController
before_action :authenticate_user!, except: [:index, :show]
before_action :set_track, only: %i[show edit update destroy]
def index
@tracks = Track.includes(:user).with_attached_audio.order(created_at: :desc)
end
def show
end
def new
@track = current_user.tracks.build
end
def create
@track = current_user.tracks.build(track_params)
if @track.save
redirect_to @track, notice: 'Track was successfully uploaded.'
else
render :new
end
end
private
def set_track
@track = Track.find(params[:id])
end
def track_params
params.require(:track).permit(:title, :audio)
end
end
```
---
## Step 7: Update Views for Uploads and Playback
**Form:**
Add file field in `app/views/tracks/_form.html.erb`:
```erb
<%= form_with(model: track, local: true) do |form| %>
<% if track.errors.any? %>
<%= pluralize(track.errors.count, "error") %> prohibited this track from being saved:
<% track.errors.full_messages.each do |message| %>
<% end %>
```
**Show Audio Player:**
In `app/views/tracks/show.html.erb`:
```erb
Title:
<%= @track.title %>
Uploaded by:
<%= @track.user.email %>
<% if @track.audio.attached? %>
<% else %>
No audio uploaded.
<% end %>
```
---
## Step 8: Set Up Routes
Edit `config/routes.rb`:
```ruby
Rails.application.routes.draw do
devise_for :users
resources :tracks
root "tracks#index"
end
```
---
## Step 9: Try It Out!
Start your server:
```bash
rails server
```
Visit [http://localhost:3000](http://localhost:3000), sign up, and upload your music!
You should see a simple music-sharing site with unlimited uploads for each user.
---
## Next Steps
- Add search, playlists, user profiles, and commenting features.
- Use a production-ready file store (like AWS S3) for large uploads.
- Add background jobs for processing large files.
- **Ensure you comply with copyright law if you share music publicly.**
---
Let me know if you want help with any **specific features** or want to expand this further!
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