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feat: add multi-library support with per-library tag statistics - WIP

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Signed-off-by: Deluan <deluan@navidrome.org>
This commit is contained in:
Deluan 2025-07-15 22:57:14 -04:00
commit 817a2c41dc
1 changed files with 27 additions and 0 deletions
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27
db/migrations/20250701010108_add_multi_library_support.go
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@ -57,6 +57,28 @@ func upAddMultiLibrarySupport(ctx context.Context, tx *sql.Tx) error {
-- Remove stats column from artist table to eliminate duplication
-- Stats are now stored per-library in library_artist table
ALTER TABLE artist DROP COLUMN stats;
-- Create library_tag table for per-library tag statistics
CREATE TABLE library_tag (
tag_id VARCHAR NOT NULL,
library_id INTEGER NOT NULL,
album_count INTEGER DEFAULT 0 NOT NULL,
media_file_count INTEGER DEFAULT 0 NOT NULL,
PRIMARY KEY (tag_id, library_id),
FOREIGN KEY (tag_id) REFERENCES tag(id) ON DELETE CASCADE,
FOREIGN KEY (library_id) REFERENCES library(id) ON DELETE CASCADE
);
-- Create indexes for optimal query performance
CREATE INDEX idx_library_tag_tag_id ON library_tag(tag_id);
CREATE INDEX idx_library_tag_library_id ON library_tag(library_id);
-- Migrate existing tag stats to per-library format in library_tag table
-- For existing installations, copy current global stats to library ID 1 (default library)
INSERT INTO library_tag (tag_id, library_id, album_count, media_file_count)
SELECT t.id, 1, t.album_count, t.media_file_count
FROM tag t
WHERE EXISTS (SELECT 1 FROM library WHERE id = 1);
`)
return err
@ -83,6 +105,11 @@ func downAddMultiLibrarySupport(ctx context.Context, tx *sql.Tx) error {
DROP TABLE IF EXISTS user_library;
ALTER TABLE library DROP COLUMN IF EXISTS total_duration;
ALTER TABLE library DROP COLUMN IF EXISTS default_new_users;
-- Drop library_tag table and its indexes
DROP INDEX IF EXISTS idx_library_tag_library_id;
DROP INDEX IF EXISTS idx_library_tag_tag_id;
DROP TABLE IF EXISTS library_tag;
`)
return err
}