# iOS Search Service Project

## Summary

Implemented full-text search service for iOS RSSuper app using SQLite FTS5. The service provides search across articles, search history management, and result ranking by relevance.

## Status

**Completed** - Ready for code review

## Key Components

- SearchService.swift - Main coordinator with caching and TTL
- SearchQuery.swift - Query parsing with validation
- SearchResultProvider.swift - FTS search with ranking
- FTSIndexManager.swift - FTS index management
- SearchHistoryStore.swift - Search history with trimming

## Technical Details

- **Database**: SQLite FTS5 with Porter stemmer
- **Caching**: NSCache with 5-minute TTL
- **Max Cache Size**: 100 entries
- **Search Methods**: FTS search with LIKE fallback
- **Validation**: Query sanitization and SQL injection prevention

## Code Review Status

✅ All issues addressed:
- Syntax errors removed
- SQL injection prevented
- Code duplication eliminated
- Magic numbers replaced with constants
- Cache expiration implemented

## Dependencies

- iOS 14+
- SQLite3
- Foundation

## Tests

- SearchQueryTests.swift
- SearchResultTests.swift
- SearchHistoryStoreTests.swift
- SearchFiltersTests.swift

## Files Modified

- iOS/RSSuper/Database/DatabaseManager.swift
- iOS/RSSuper/Models/SearchResult.swift

## Related Issues

- [FRE-532](/rssuper/issues/FRE-532) - Original issue
