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feat(library): match own-state on artist MBID, not just name

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Own-state ("in library") relied on an exact artist-NAME match, so an owned
album whose name differed from the MB canonical (punctuation/locale/feat.)
showed as not-owned even when followed. Capture the MusicBrainz artist MBID
on LibraryItem and prefer it for matching.

- New LibraryItem.artistMbid (migration add_library_artist_mbid). Populated at
  import (pipeline) + scan, both of which already hold the resolved target;
  the pipeline also now stores rgMbid (it previously didn't). COALESCE on
  conflict backfills MBIDs on re-scan without clobbering.
- /api/artists "in library, not followed" matches by artistMbid first, name
  case-insensitively as fallback (rows predating the column). Library route
  prefers the item's own artistMbid over the release join.

Last.fm/discover own-state still use name-match (they work) — a smaller
follow-up. worker 233, web 186 tests.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Jonathan
2026-07-14 21:55:24 +02:00
parent 1c1b98967a
commit 18a22db7fb
8 changed files with 46 additions and 20 deletions
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worker/lyra_worker/pipeline.py
+6 -4
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@@ -245,15 +245,17 @@ def _import(conn: psycopg.Connection, job_id: str, target: MBTarget,
with conn.cursor() as cur:
cur.execute(
'INSERT INTO "LibraryItem" (id, "requestId", artist, album, path, source, '
'format, "qualityClass", "trackNames", "importedAt") '
"VALUES (gen_random_uuid()::text, %s, %s, %s, %s, %s, %s, %s, %s, now()) "
'format, "qualityClass", "trackNames", "rgMbid", "artistMbid", "importedAt") '
"VALUES (gen_random_uuid()::text, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, now()) "
'ON CONFLICT (artist, album) DO UPDATE SET '
' "requestId" = EXCLUDED."requestId", path = EXCLUDED.path, source = EXCLUDED.source, '
' format = EXCLUDED.format, "qualityClass" = EXCLUDED."qualityClass", '
' "trackNames" = EXCLUDED."trackNames", "importedAt" = now() '
' "trackNames" = EXCLUDED."trackNames", "rgMbid" = COALESCE(EXCLUDED."rgMbid", "LibraryItem"."rgMbid"), '
' "artistMbid" = COALESCE(EXCLUDED."artistMbid", "LibraryItem"."artistMbid"), "importedAt" = now() '
'WHERE EXCLUDED."qualityClass" > "LibraryItem"."qualityClass"',
(request_id, target.artist, target.album, path, winner.source,
winner.quality.fmt, quality_class(winner.quality), track_names),
winner.quality.fmt, quality_class(winner.quality), track_names,
target.rg_mbid or None, target.artist_mbid or None),
)
cur.execute(
"UPDATE \"Request\" SET status = 'completed' WHERE id = %s", (request_id,)