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auctiora/REFACTORING_SUMMARY.md
2025-12-03 15:32:41 +01:00

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# Refactoring Summary: Troostwijk Auction Monitor
## Overview
This project has been refactored to focus on **image processing and monitoring**, removing all auction/lot scraping functionality which is now handled by the external `ARCHITECTURE-TROOSTWIJK-SCRAPER` process.
## Architecture Changes
### Removed Components
-**TroostwijkScraper.java** - Removed (replaced by TroostwijkMonitor)
- ❌ Auction discovery and scraping logic
- ❌ Lot scraping via Playwright/JSoup
- ❌ CacheDatabase (can be removed if not used elsewhere)
### New/Updated Components
#### New Classes
-**TroostwijkMonitor.java** - Monitors bids and coordinates services (no scraping)
-**ImageProcessingService.java** - Downloads images and runs object detection
-**Console.java** - Simple output utility (renamed from IO to avoid Java 25 conflict)
#### Modernized Classes
-**AuctionInfo** - Converted to immutable `record`
-**Lot** - Converted to immutable `record` with `minutesUntilClose()` method
-**DatabaseService.java** - Uses modern Java features:
- Text blocks (`"""`) for SQL
- Record accessor methods
- Added `getImagesForLot()` method
- Added `processed_at` timestamp to images table
- Nested `ImageRecord` record
#### Preserved Components
-**NotificationService.java** - Desktop/email notifications
-**ObjectDetectionService.java** - YOLO-based object detection
-**Main.java** - Updated to use new architecture
## Database Schema
### Populated by External Scraper
- `auctions` table - Auction metadata
- `lots` table - Lot details with bidding info
### Populated by This Process
- `images` table - Downloaded images with:
- `file_path` - Local storage path
- `labels` - Detected objects (comma-separated)
- `processed_at` - Processing timestamp
## Modern Java Features Used
- **Records** - Immutable data carriers (AuctionInfo, Lot, ImageRecord)
- **Text Blocks** - Multi-line SQL queries
- **var** - Type inference throughout
- **Switch expressions** - Where applicable
- **Pattern matching** - Ready for future enhancements
## Responsibilities
### This Project
1. ✅ Image downloading from URLs in database
2. ✅ Object detection using YOLO/OpenCV
3. ✅ Bid monitoring and change detection
4. ✅ Desktop and email notifications
5. ✅ Data enrichment with image analysis
### External ARCHITECTURE-TROOSTWIJK-SCRAPER
1. 🔄 Discover auctions from Troostwijk website
2. 🔄 Scrape lot details via API
3. 🔄 Populate `auctions` and `lots` tables
4. 🔄 Share database with this process
## Usage
### Running the Monitor
```bash
# With environment variables
export DATABASE_FILE=troostwijk.db
export NOTIFICATION_CONFIG=desktop # or smtp:user:pass:email
java -jar troostwijk-monitor.jar
```
### Expected Output
```
=== Troostwijk Auction Monitor ===
✓ OpenCV loaded
Initializing monitor...
📊 Current Database State:
Total lots in database: 42
Total images processed: 0
[1/2] Processing images...
Processing pending images...
[2/2] Starting bid monitoring...
✓ Monitoring service started
✓ Monitor is running. Press Ctrl+C to stop.
NOTE: This process expects auction/lot data from the external scraper.
Make sure ARCHITECTURE-TROOSTWIJK-SCRAPER is running and populating the database.
```
## Migration Notes
1. The project now compiles successfully with Java 25
2. All scraping logic removed - rely on external scraper
3. Shared database architecture for inter-process communication
4. Clean separation of concerns
5. Modern, maintainable codebase with records and text blocks
## Next Steps
- Remove `CacheDatabase.java` if not needed
- Consider adding API endpoint for external scraper to trigger image processing
- Add metrics/logging framework
- Consider message queue (e.g., Redis, RabbitMQ) for better inter-process communication