DOLLARS Chat Application

Overview

A modern, real-time messaging platform inspired by the anime "Durarara!!" featuring instant messaging, user authentication, and a responsive interface.

Technology Stack

• Frontend: React with Next.js
• Styling: Tailwind CSS
• Backend: Supabase
• Deployment: Vercel

Key Features

User Authentication

• Email/password and OAuth login
• Secure session management
• Password recovery

Real-time Messaging

• Instant message delivery
• Message status indicators
• Typing indicators
• Message history with infinite scrolling

User Experience

• Responsive design for all devices
• Dark/light mode themes
• Customizable user profiles
• Notification system

Security

• End-to-end encryption
• XSS protection
• Rate limiting
• Input sanitization

Architecture

• Component-based UI
• Next.js server components
• API routes
• Real-time database
• Edge functions

Database Schema

```sql CREATE TABLE users ( id UUID PRIMARY KEY DEFAULT uuid_generate_v4(), username TEXT UNIQUE NOT NULL, avatar_url TEXT, created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(), last_seen TIMESTAMP WITH TIME ZONE DEFAULT NOW() );

CREATE TABLE channels ( id UUID PRIMARY KEY DEFAULT uuid_generate_v4(), name TEXT NOT NULL, description TEXT, created_by UUID REFERENCES users(id), created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW() );

CREATE TABLE messages ( id UUID PRIMARY KEY DEFAULT uuid_generate_v4(), channel_id UUID REFERENCES channels(id) ON DELETE CASCADE, user_id UUID REFERENCES users(id), content TEXT NOT NULL, created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW() ); ```

Performance Optimization

• Code splitting
• Image optimization
• Memoization
• Virtualized lists
• Incremental Static Regeneration

Future Enhancements

• Voice/video calls
• File sharing
• End-to-end encryption for all messages
• Custom emoji system
• Advanced search