# Munich News Daily - Automated Newsletter System

A fully automated news aggregation and newsletter system that crawls Munich news sources, generates AI summaries, and sends daily newsletters with engagement tracking.

## ✨ Key Features

- **🤖 AI-Powered Clustering** - Automatically detects duplicate stories from different sources
- **📰 Neutral Summaries** - Combines multiple perspectives into balanced coverage
- **🎯 Smart Prioritization** - Shows most important stories first (multi-source coverage)
- **📊 Engagement Tracking** - Open rates, click tracking, and analytics
- **⚡ GPU Acceleration** - 5-10x faster AI processing with GPU support
- **🔒 GDPR Compliant** - Privacy-first with data retention controls

**🚀 NEW:** GPU acceleration support for 5-10x faster AI processing! See [docs/GPU_SETUP.md](docs/GPU_SETUP.md)

## 🚀 Quick Start

```bash
# 1. Configure environment
cp backend/.env.example backend/.env
# Edit backend/.env with your email settings

# 2. Start everything
docker-compose up -d

# 3. View logs
docker-compose logs -f
```

That's it! The system will automatically:
- **Backend API**: Runs continuously for tracking and analytics (http://localhost:5001)
- **6:00 AM Berlin time**: Crawl news articles and generate summaries
- **7:00 AM Berlin time**: Send newsletter to all subscribers

📖 **New to the project?** See [QUICKSTART.md](QUICKSTART.md) for a detailed 5-minute setup guide.

🚀 **GPU Acceleration:** Enable 5-10x faster AI processing with [GPU Setup Guide](docs/GPU_SETUP.md)

## 📋 System Overview

```
6:00 AM → News Crawler
          ↓
          Fetches articles from RSS feeds
          Extracts full content
          Generates AI summaries
          Saves to MongoDB
          ↓
7:00 AM → Newsletter Sender
          ↓
          Waits for crawler to finish
          Fetches today's articles
          Generates newsletter with tracking
          Sends to all subscribers
          ↓
          ✅ Done! Repeat tomorrow
```

## 🏗️ Architecture

### Components

- **Ollama**: AI service for summarization and translation (internal only, GPU-accelerated)
- **MongoDB**: Data storage (articles, subscribers, tracking) (internal only)
- **Backend API**: Flask API for tracking and analytics (port 5001 - only exposed service)
- **News Crawler**: Automated RSS feed crawler with AI summarization (internal only)
- **Newsletter Sender**: Automated email sender with tracking (internal only)
- **Frontend**: React dashboard (optional)

### Technology Stack

- Python 3.11
- MongoDB 7.0
- Ollama (phi3:latest model for AI)
- Docker & Docker Compose
- Flask (API)
- Schedule (automation)
- Jinja2 (email templates)

## 📦 Installation

### Prerequisites

- Docker & Docker Compose
- 4GB+ RAM (for Ollama AI models)
- (Optional) NVIDIA GPU for 5-10x faster AI processing

### Setup

1. **Clone the repository**
   ```bash
   git clone <repository-url>
   cd munich-news
   ```

2. **Configure environment**
   ```bash
   cp backend/.env.example backend/.env
   # Edit backend/.env with your settings
   ```

3. **Configure Ollama (AI features)**
   ```bash
   # Option 1: Use integrated Docker Compose Ollama (recommended)
   ./configure-ollama.sh
   # Select option 1
   
   # Option 2: Use external Ollama server
   # Install from https://ollama.ai/download
   # Then run: ollama pull phi3:latest
   ```

4. **Start the system**
   ```bash
   # Auto-detect GPU and start (recommended)
   ./start-with-gpu.sh
   
   # Or start manually
   docker-compose up -d
   
   # First time: Wait for Ollama model download (2-5 minutes)
   docker-compose logs -f ollama-setup
   ```

📖 **For detailed Ollama setup & GPU acceleration:** See [docs/OLLAMA_SETUP.md](docs/OLLAMA_SETUP.md)

## ⚙️ Configuration

Edit `backend/.env`:

```env
# MongoDB
MONGODB_URI=mongodb://localhost:27017/

# Email (SMTP)
SMTP_SERVER=smtp.gmail.com
SMTP_PORT=587
EMAIL_USER=your-email@gmail.com
EMAIL_PASSWORD=your-app-password

# Newsletter
NEWSLETTER_MAX_ARTICLES=10
NEWSLETTER_HOURS_LOOKBACK=24

# Tracking
TRACKING_ENABLED=true
TRACKING_API_URL=http://localhost:5001
TRACKING_DATA_RETENTION_DAYS=90

# Ollama (AI Summarization)
OLLAMA_ENABLED=true
OLLAMA_BASE_URL=http://127.0.0.1:11434
OLLAMA_MODEL=phi3:latest
```

## 📊 Usage

### View Logs

```bash
# All services
docker-compose logs -f

# Specific service
docker-compose logs -f crawler
docker-compose logs -f sender
docker-compose logs -f mongodb
```

### Manual Operations

```bash
# Run crawler manually
docker-compose exec crawler python crawler_service.py 10

# Send test newsletter
docker-compose exec sender python sender_service.py test your-email@example.com

# Preview newsletter
docker-compose exec sender python sender_service.py preview
```

### Database Access

```bash
# Connect to MongoDB
docker-compose exec mongodb mongosh munich_news

# View articles
db.articles.find().sort({ crawled_at: -1 }).limit(5).pretty()

# View subscribers
db.subscribers.find({ active: true }).pretty()

# View tracking data
db.newsletter_sends.find().sort({ created_at: -1 }).limit(10).pretty()
```

## 🔧 Management

### Add RSS Feeds

```bash
mongosh munich_news

db.rss_feeds.insertOne({
  name: "Source Name",
  url: "https://example.com/rss",
  active: true
})
```

### Add Subscribers

```bash
mongosh munich_news

db.subscribers.insertOne({
  email: "user@example.com",
  active: true,
  tracking_enabled: true,
  subscribed_at: new Date()
})
```

### View Analytics

```bash
# Newsletter metrics
curl http://localhost:5001/api/analytics/newsletter/2024-01-15

# Article performance
curl http://localhost:5001/api/analytics/article/https://example.com/article

# Subscriber activity
curl http://localhost:5001/api/analytics/subscriber/user@example.com
```

## ⏰ Schedule Configuration

### Change Crawler Time (default: 6:00 AM)

Edit `news_crawler/scheduled_crawler.py`:
```python
schedule.every().day.at("06:00").do(run_crawler)  # Change time
```

### Change Sender Time (default: 7:00 AM)

Edit `news_sender/scheduled_sender.py`:
```python
schedule.every().day.at("07:00").do(run_sender)  # Change time
```

After changes:
```bash
docker-compose up -d --build
```

## 📈 Monitoring

### Container Status

```bash
docker-compose ps
```

### Check Next Scheduled Runs

```bash
# Crawler
docker-compose logs crawler | grep "Next scheduled run"

# Sender
docker-compose logs sender | grep "Next scheduled run"
```

### Engagement Metrics

```bash
mongosh munich_news

// Open rate
var sent = db.newsletter_sends.countDocuments({ newsletter_id: "2024-01-15" })
var opened = db.newsletter_sends.countDocuments({ newsletter_id: "2024-01-15", opened: true })
print("Open Rate: " + ((opened / sent) * 100).toFixed(2) + "%")

// Click rate
var clicks = db.link_clicks.countDocuments({ newsletter_id: "2024-01-15" })
print("Click Rate: " + ((clicks / sent) * 100).toFixed(2) + "%")
```

## 🐛 Troubleshooting

### Crawler Not Finding Articles

```bash
# Check RSS feeds
mongosh munich_news --eval "db.rss_feeds.find({ active: true })"

# Test manually
docker-compose exec crawler python crawler_service.py 5
```

### Newsletter Not Sending

```bash
# Check email config
docker-compose exec sender python -c "from sender_service import Config; print(Config.SMTP_SERVER)"

# Test email
docker-compose exec sender python sender_service.py test your-email@example.com
```

### Containers Not Starting

```bash
# Check logs
docker-compose logs

# Rebuild
docker-compose up -d --build

# Reset everything
docker-compose down -v
docker-compose up -d
```

## 🔐 Privacy & Compliance

### GDPR Features

- **Data Retention**: Automatic anonymization after 90 days
- **Opt-Out**: Subscribers can disable tracking
- **Data Deletion**: Full data removal on request
- **Transparency**: Privacy notice in all emails

### Privacy Endpoints

```bash
# Delete subscriber data
curl -X DELETE http://localhost:5001/api/tracking/subscriber/user@example.com

# Anonymize old data
curl -X POST http://localhost:5001/api/tracking/anonymize

# Opt out of tracking
curl -X POST http://localhost:5001/api/tracking/subscriber/user@example.com/opt-out
```

## 📚 Documentation

### Getting Started
- **[QUICKSTART.md](QUICKSTART.md)** - 5-minute setup guide
- **[CONTRIBUTING.md](CONTRIBUTING.md)** - Contribution guidelines

### Core Features
- **[docs/AI_NEWS_AGGREGATION.md](docs/AI_NEWS_AGGREGATION.md)** - AI-powered clustering & neutral summaries
- **[docs/FEATURES.md](docs/FEATURES.md)** - Complete feature list
- **[docs/API.md](docs/API.md)** - API endpoints reference

### Technical Documentation
- **[docs/ARCHITECTURE.md](docs/ARCHITECTURE.md)** - System architecture
- **[docs/SETUP.md](docs/SETUP.md)** - Detailed setup guide
- **[docs/OLLAMA_SETUP.md](docs/OLLAMA_SETUP.md)** - AI/Ollama configuration
- **[docs/GPU_SETUP.md](docs/GPU_SETUP.md)** - GPU acceleration setup
- **[docs/DEPLOYMENT.md](docs/DEPLOYMENT.md)** - Production deployment
- **[docs/SECURITY.md](docs/SECURITY.md)** - Security best practices
- **[docs/REFERENCE.md](docs/REFERENCE.md)** - Complete reference
- **[docs/DEPLOYMENT.md](docs/DEPLOYMENT.md)** - Deployment guide
- **[docs/API.md](docs/API.md)** - API reference
- **[docs/DATABASE_SCHEMA.md](docs/DATABASE_SCHEMA.md)** - Database structure
- **[docs/BACKEND_STRUCTURE.md](docs/BACKEND_STRUCTURE.md)** - Backend organization

### Component Documentation
- **[docs/CRAWLER_HOW_IT_WORKS.md](docs/CRAWLER_HOW_IT_WORKS.md)** - Crawler internals
- **[docs/EXTRACTION_STRATEGIES.md](docs/EXTRACTION_STRATEGIES.md)** - Content extraction
- **[docs/RSS_URL_EXTRACTION.md](docs/RSS_URL_EXTRACTION.md)** - RSS parsing

## 🧪 Testing

All test files are organized in the `tests/` directory:

```bash
# Run crawler tests
docker-compose exec crawler python tests/crawler/test_crawler.py

# Run sender tests
docker-compose exec sender python tests/sender/test_tracking_integration.py

# Run backend tests
docker-compose exec backend python tests/backend/test_tracking.py
```

## 🚀 Production Deployment

### Environment Setup

1. Update `backend/.env` with production values
2. Set strong MongoDB password
3. Use HTTPS for tracking URLs
4. Configure proper SMTP server

### Security

```bash
# Use production compose file
docker-compose -f docker-compose.prod.yml up -d

# Set MongoDB password
export MONGO_PASSWORD=your-secure-password
```

### Monitoring

- Set up log rotation
- Configure health checks
- Set up alerts for failures
- Monitor database size

## 📚 Documentation

Complete documentation available in the [docs/](docs/) directory:

- **[Documentation Index](docs/INDEX.md)** - Complete documentation guide
- **[GPU Setup](docs/GPU_SETUP.md)** - 5-10x faster with GPU acceleration
- **[Admin API](docs/ADMIN_API.md)** - API endpoints reference
- **[Security Guide](docs/SECURITY_NOTES.md)** - Security best practices
- **[System Architecture](docs/SYSTEM_ARCHITECTURE.md)** - Technical overview

## 📝 License

[Your License Here]

## 🤝 Contributing

Contributions welcome! Please read [CONTRIBUTING.md](CONTRIBUTING.md) first.

## 📧 Support

For issues or questions, please open a GitHub issue.

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**Built with ❤️ for Munich News Daily**