Email Notification App

A comprehensive email notification system with API endpoints for integration, supporting reminders, alerts, newsletters, and transactional emails.

• Multiple Notification Types: Reminders, alerts, newsletters, transactional emails
• Dynamic Recipients: Rule-based recipient selection
• Webhook Integration: Receive and process webhooks to trigger notifications
• Form Submission Handling: Process form data and send notifications
• Template System: Customizable email templates
• Recipient Management: Store and manage recipient lists with criteria
• API-First Design: RESTful endpoints for all operations

• POST /api/recipients - Add new recipient
• GET /api/recipients - List all recipients
• PUT /api/recipients/:id - Update recipient
• DELETE /api/recipients/:id - Remove recipient

• POST /api/templates - Create email template
• GET /api/templates - List all templates
• PUT /api/templates/:id - Update template
• DELETE /api/templates/:id - Delete template

• POST /api/notifications/send - Send immediate notification
• POST /api/webhooks/notification - Webhook endpoint for triggering notifications
• POST /api/forms/submit - Form submission endpoint

• GET /api/notifications/history - Get notification history
• GET /api/notifications/stats - Get sending statistics

├── backend/
│   ├── database/
│   │   ├── migrations.ts    # Database schema setup
│   │   └── queries.ts       # Database query functions
│   ├── routes/
│   │   ├── recipients.ts    # Recipient management
│   │   ├── templates.ts     # Template management
│   │   ├── notifications.ts # Notification sending
│   │   ├── webhooks.ts      # Webhook handling
│   │   └── forms.ts         # Form submission handling
│   ├── services/
│   │   ├── emailService.ts  # Email sending logic
│   │   ├── recipientService.ts # Recipient filtering
│   │   └── templateService.ts  # Template processing
│   └── index.ts             # Main API server
├── shared/
│   └── types.ts             # Shared TypeScript types
└── README.md

curl -X POST /api/recipients \
  -H "Content-Type: application/json" \
  -d '{
    "email": "user@example.com",
    "name": "John Doe",
    "tags": ["premium", "newsletter"],
    "preferences": {
      "notifications": true,
      "newsletters": true
    }
  }'

curl -X POST /api/templates \
  -H "Content-Type: application/json" \
  -d '{
    "name": "welcome_email",
    "type": "transactional",
    "subject": "Welcome {{name}}!",
    "html": "<h1>Welcome {{name}}</h1><p>Thanks for joining!</p>",
    "text": "Welcome {{name}}! Thanks for joining!"
  }'

curl -X POST /api/notifications/send \
  -H "Content-Type: application/json" \
  -d '{
    "type": "alert",
    "template": "system_alert",
    "criteria": {
      "tags": ["admin"],
      "preferences.notifications": true
    },
    "data": {
      "message": "System maintenance scheduled",
      "time": "2024-01-15T10:00:00Z"
    }
  }'

No API keys required - uses Val Town's built-in email service.