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feat(smartplaylist): add ReplayGain fields to criteria system

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Expose the four ReplayGain database columns (rg_album_gain, rg_album_peak,
rg_track_gain, rg_track_peak) as first-class numeric criteria fields for
smart playlists. This allows users to filter tracks by ReplayGain values,
e.g. finding tracks with album gain below a threshold.
This commit is contained in:
Deluan 2026-04-28 19:46:12 -04:00 committed by Rob Emery
parent b7cc395895
commit 6c065870b5
3 changed files with 12 additions and 0 deletions
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4
model/criteria/fields.go
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@ -72,6 +72,10 @@ var fieldMap = map[string]FieldInfo{
"mbz_recording_id": {Name: "mbz_recording_id"},
"mbz_release_track_id": {Name: "mbz_release_track_id"},
"mbz_release_group_id": {Name: "mbz_release_group_id"},
"rgalbumgain": {Name: "rgalbumgain", Numeric: true},
"rgalbumpeak": {Name: "rgalbumpeak", Numeric: true},
"rgtrackgain": {Name: "rgtrackgain", Numeric: true},
"rgtrackpeak": {Name: "rgtrackpeak", Numeric: true},
"library_id": {Name: "library_id", Numeric: true},
// Backward compatibility: albumtype is an alias for the releasetype tag.

4
persistence/criteria_sql.go
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@ -111,6 +111,10 @@ var smartPlaylistFields = map[string]smartPlaylistField{
"mbz_recording_id": {expr: "media_file.mbz_recording_id"},
"mbz_release_track_id": {expr: "media_file.mbz_release_track_id"},
"mbz_release_group_id": {expr: "media_file.mbz_release_group_id"},
"rgalbumgain": {expr: "media_file.rg_album_gain"},
"rgalbumpeak": {expr: "media_file.rg_album_peak"},
"rgtrackgain": {expr: "media_file.rg_track_gain"},
"rgtrackpeak": {expr: "media_file.rg_track_peak"},
"library_id": {expr: "media_file.library_id"},
"random": {order: "random()"},
"value": {expr: "value"},

4
persistence/criteria_sql_test.go
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@ -59,6 +59,10 @@ var _ = Describe("Smart playlist criteria SQL", func() {
Entry("role is", criteria.Is{"artist": "u2"}, "exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value = ?)", "u2"),
Entry("role contains", criteria.Contains{"composer": "Lennon"}, "exists (select 1 from json_tree(media_file.participants, '$.composer') where key='name' and value LIKE ?)", "%Lennon%"),
Entry("role not contains", criteria.NotContains{"artist": "u2"}, "not exists (select 1 from json_tree(media_file.participants, '$.artist') where key='name' and value LIKE ?)", "%u2%"),
// ReplayGain fields
Entry("rgAlbumGain is", criteria.Is{"rgAlbumGain": 0}, "media_file.rg_album_gain = ?", 0),
Entry("rgAlbumGain gt", criteria.Gt{"rgAlbumGain": -6.0}, "media_file.rg_album_gain > ?", -6.0),
Entry("rgTrackPeak lt", criteria.Lt{"rgTrackPeak": 1.0}, "media_file.rg_track_peak < ?", 1.0),
// isMissing — tags
Entry("isMissing tag [true]", criteria.IsMissing{"genre": true},
"not exists (select 1 from json_tree(media_file.tags, '$.genre') where key='value')"),