* feat: skip cross-library detection for single library setup
When only one library is configured, skip the cross-library move detection stage entirely as there are no other libraries to search in. This eliminates unnecessary database queries - the primary performance issue reported by users (5-6 hour scans with 13.5k missing files).
Implementation:
- Added library count check in processCrossLibraryMoves
- Returns input unchanged when len(state.libraries) == 1
- Logs debug message for troubleshooting
* refactor: use lightweight queries for cross-library move detection
Replace selectMediaFile() with newSelect() in FindRecentFilesByMBZTrackID and FindRecentFilesByProperties. These queries only need basic media file columns for hash and path comparisons, not annotations/bookmarks.
Benefits:
- Removes unnecessary LEFT JOINs with annotation and bookmark tables
- Reduces query overhead for cross-library file matching
- Follows existing pattern used by GetMissingAndMatching
The annotation/bookmark joins are user-specific (using loggedUser context) and unused in cross-library matching logic where only Equals() and IsEquivalent() checks are performed.
* test: add coverage for single-library and multi-library cross-library detection
Add test cases to verify:
1. Single-library setup correctly skips cross-library move detection
2. Multi-library setup continues to process cross-library moves
Implementation:
- New test verifies processCrossLibraryMoves returns input unchanged for single library
- Wrapped existing multi-library tests in Context with multiple libraries setup
- Ensures no regressions in multi-library matching behavior
Tests verify:
- Single-library: no database queries, input passed through unchanged
- Multi-library: cross-library matching still works correctly
- Reduces the likelihood of introducing single-library skip bugs in future
* fix: enhance cross-library detection by introducing totalLibraryCount
Signed-off-by: Deluan <deluan@navidrome.org>
---------
Signed-off-by: Deluan <deluan@navidrome.org>
6d47a6ebd9