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Todd 0d7b2b1aab Initial commit

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-29 22:42:55 -04:00

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Instagram Repost Detection - Quick Start Guide

🎉 Status: READY FOR TESTING

The Instagram repost detection feature has been safely implemented and is ready for testing. The feature is DISABLED by default - your existing downloads will work exactly as before.

⚡ Quick Enable (When Ready to Test)

Option 1: Via Web UI (Recommended)

Open http://localhost:8000/configuration
Scroll to "Instagram Repost Detection" section
Toggle "Enabled" to ON
Click "Save Configuration"

Option 2: Via Command Line

sqlite3 /opt/media-downloader/data/backup_cache.db \
  "UPDATE settings SET value = json_set(value, '$.enabled', true) WHERE key = 'repost_detection';"

✅ What It Does

When enabled, the system will:

Detect Instagram story reposts using OCR
Download original content from the source user via ImgInn
Match repost to original using perceptual hashing
Replace low-quality repost with high-quality original
Cleanup temporary files automatically
Track all replacements in database

🧪 Test with Real Example

You already have a test file ready:

python3 tests/test_repost_detection_manual.py \
  "/media/d$/OneDrive - LIComputerGuy/Celebrities/Eva Longoria/4. Media/social media/instagram/stories/evalongoria_20251109_154548_story6.mp4" \
  "evalongoria" \
  --live

Expected result: Detects @globalgiftfoundation, downloads originals, finds match, replaces file.

📊 Monitor Activity

Check if enabled:

sqlite3 /opt/media-downloader/data/backup_cache.db \
  "SELECT json_extract(value, '$.enabled') FROM settings WHERE key = 'repost_detection';"

Watch logs:

tail -f /opt/media-downloader/logs/*.log | grep -i repost

View replacements:

sqlite3 /opt/media-downloader/data/backup_cache.db \
  "SELECT * FROM repost_replacements ORDER BY detected_at DESC LIMIT 10;"

🔒 Safety Features

✅ Disabled by default - zero impact on existing functionality
✅ Can be enabled/disabled instantly (no restart needed)
✅ If detection fails, original file is kept
✅ Backward compatible - all existing code unchanged
✅ Full error handling - won't break downloads

📚 Documentation

Full Design: docs/instagram_repost_detection_design.md
Test Results: docs/repost_detection_test_results.md
Testing Guide: docs/repost_detection_testing_guide.md
Implementation Summary: docs/REPOST_DETECTION_IMPLEMENTATION_SUMMARY.md

🚀 Recommended Testing Plan

Day 1: Verify feature is disabled, normal downloads work
Day 2: Enable feature, test with example file
Day 3-4: Monitor live downloads, check logs
Day 5-7: Review replacements, tune settings
Week 2+: Full production use

⚙️ Configuration Options

All configurable via Web UI:

Hash Distance Threshold: How similar images must be (default: 10)
Fetch Cache Duration: How long to cache downloads (default: 12 hours)
Max Posts Age: How far back to check posts (default: 24 hours)
Cleanup Temp Files: Auto-delete temp downloads (default: ON)

🆘 Quick Disable

If anything goes wrong, disable instantly:

# Via SQL:
sqlite3 /opt/media-downloader/data/backup_cache.db \
  "UPDATE settings SET value = json_set(value, '$.enabled', false) WHERE key = 'repost_detection';"

# Via UI:
# Configuration page → Toggle OFF → Save

✨ What's New

Files Created:

modules/instagram_repost_detector.py - Core detection logic
tests/test_instagram_repost_detector.py - Unit tests
tests/test_repost_detection_manual.py - Manual testing
4 documentation files in docs/

Files Modified:

modules/imginn_module.py - Added skip_database parameter
modules/move_module.py - Added detection hooks
web/frontend/src/pages/Configuration.tsx - Added UI controls
Frontend rebuilt and ready

Database:

Settings entry added (enabled: false)
Two new tables created on first use

Everything is ready! The feature is safe to deploy and test at your convenience.

Start testing: docs/repost_detection_testing_guide.md

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