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minstrel/internal/db/queries/songs.sql
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bvandeusenandClaude Opus 5.5 53eb954c86
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feat: video rips and stray copies handle themselves (M498 #5439)
- The resolver also merges cross-release and mismatch groups where Lidarr
  maps exactly one copy: the others fulfil nothing, so removing them opens no
  hole (D-a rule 1). That covers a rip beside the clean copy on another
  release and a wrong-file import Lidarr holds unmapped. With two or more
  mapped copies each fulfils its own release and nothing is removed.
- A track whose file name carries a video-rip marker is held back from radio
  and the system mixes (tracks.source_verdict, migration 0077). It still plays
  when chosen. A renamed file is released; the operator's "fine" sticks.
- Suspect sources shows what was done to each track, with "This one is fine"
  and "Hold back again" (PUT /api/admin/library/suspect-sources/{id}).
- The Liked list prefers a copy that is not held back.

Replacing a rip that has no clean copy is left for the operator to decide.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-08 22:13:37 -04:00

59 lines
2.3 KiB
SQL

-- Song links (M498 #5438): copies of one song on different releases share a
-- song_key (migration 0076).
-- name: LinkTracksAsSong :one
-- Links the tracks into one song, joining any songs they already belong to.
-- The song keeps the lowest key among them, so linking the same set again
-- changes nothing. Returns that key and how many tracks moved to it.
WITH keys AS (
SELECT DISTINCT song_key FROM tracks WHERE id = ANY(sqlc.arg(track_ids)::uuid[])
), target AS (
SELECT song_key FROM keys ORDER BY song_key LIMIT 1
), moved AS (
UPDATE tracks t
SET song_id = (SELECT song_key FROM target)
WHERE t.song_key IN (SELECT song_key FROM keys)
AND t.song_key <> (SELECT song_key FROM target)
RETURNING t.id
)
SELECT (SELECT song_key FROM target)::uuid AS song_key,
(SELECT count(*) FROM moved)::bigint AS moved;
-- name: ShareSongLikes :many
-- A like on any copy of the song becomes a like on every copy, dated the
-- earliest. Returns the likes added, for the sync log.
INSERT INTO general_likes (user_id, track_id, liked_at)
SELECT l.user_id, t.id, min(l.liked_at)
FROM general_likes l
JOIN tracks lt ON lt.id = l.track_id
JOIN tracks t ON t.song_key = lt.song_key
WHERE lt.song_key = sqlc.arg(song_key)::uuid
GROUP BY l.user_id, t.id
ON CONFLICT (user_id, track_id) DO NOTHING
RETURNING user_id, track_id;
-- name: UnlinkDuplicateGroupSongs :exec
-- "Not the same song": the group's copies stop sharing a song. Likes already
-- shared stay where they are.
UPDATE tracks SET song_id = NULL
WHERE song_id IS NOT NULL
AND id IN (SELECT track_id FROM duplicate_group_members WHERE group_id = sqlc.arg(group_id));
-- name: ListTrackSongKeys :many
-- What the mix writer needs to place a track: its song, and whether it is a
-- video rip held back from the mixes (#5439).
SELECT id, song_key, (source_verdict IS NOT DISTINCT FROM 'suspect')::boolean AS held_back
FROM tracks WHERE id = ANY(sqlc.arg(ids)::uuid[]);
-- name: MergeInheritSongLink :exec
-- A merge keeps the removed copy's song link: when the copy being removed was
-- linked to copies on other releases and the survivor was not, the survivor
-- joins that song.
UPDATE tracks s
SET song_id = l.song_key
FROM tracks l
WHERE s.id = sqlc.arg(survivor_id)::uuid
AND l.id = sqlc.arg(loser_id)::uuid
AND s.song_id IS NULL
AND l.song_key <> l.id;