A modern web-based canteen management system with QR code ordering for college canteens.

• 📱 QR code scanning for table identification
• 🍽️ Browse menu with categories and prices
• 🛒 Add items to cart with quantity selection
• 📝 Place orders with customer details
• ⏱️ Real-time order status updates

• 📊 Real-time order dashboard
• 🍕 Menu management (add/edit/delete items)
• 🪑 Table management with QR code generation
• 📈 Order status management
• 💰 Basic sales tracking

• Frontend: React 18 with TypeScript
• Backend: Hono.js API framework
• Database: SQLite for data persistence
• Styling: TailwindCSS
• QR Codes: QR code generation and scanning
• Real-time: Polling-based updates

├── backend/
│   ├── database/
│   │   ├── migrations.ts    # Database schema setup
│   │   └── queries.ts       # Database query functions
│   ├── routes/
│   │   ├── admin.ts         # Admin panel routes
│   │   ├── menu.ts          # Menu management routes
│   │   ├── orders.ts        # Order management routes
│   │   └── tables.ts        # Table management routes
│   └── index.ts             # Main API entry point
├── frontend/
│   ├── components/
│   │   ├── Admin/           # Admin panel components
│   │   ├── Customer/        # Customer interface components
│   │   └── Shared/          # Shared UI components
│   ├── index.html           # Main HTML template
│   └── index.tsx            # Frontend entry point
└── shared/
    └── types.ts             # Shared TypeScript types

1. The system will automatically set up the database on first run
2. Access the admin panel at /admin to set up menu items and tables
3. Generate QR codes for tables from the admin panel
4. Print and place QR codes on tables
5. Customers scan QR codes to access the ordering interface

• GET /api/menu - Get all menu items
• POST /api/menu - Add new menu item
• PUT /api/menu/:id - Update menu item
• DELETE /api/menu/:id - Delete menu item

• GET /api/orders - Get all orders (admin)
• POST /api/orders - Place new order
• PUT /api/orders/:id/status - Update order status

• GET /api/tables - Get all tables
• POST /api/tables - Add new table
• GET /api/tables/:id/qr - Get QR code for table

• menu_items: id, name, description, price, category, available
• tables: id, number, name, qr_code, active
• orders: id, table_id, customer_name, customer_phone, items, total, status, created_at
• order_items: id, order_id, menu_item_id, quantity, price

1. pending - Order placed, waiting for confirmation
2. confirmed - Order confirmed by admin
3. preparing - Order being prepared
4. ready - Order ready for pickup
5. completed - Order delivered/completed
6. cancelled - Order cancelled