feat(tags): wire tag-enrichment worker at startup (#1490 wiring)

Construct the tag SettingsService + Enricher at boot (mirroring coverart:
reconcile providers, bump the sources version if the provider set changed
to re-open settled rows), then run a standalone background Worker that
drains tracks needing folksonomy tags on a periodic tick.

Standalone (not threaded through the file-scan chain like cover art)
because tag lookups need only DB fields — recording MBID / artist / title
— so it mirrors the ListenBrainz similarity worker instead: an initial
drain shortly after boot, then every 30 min, up to 200 tracks per tick.
MusicBrainz's 1 req/s ceiling is the real throttle.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-07-13 22:09:31 -04:00
parent fbfd5550ff
commit c34753f5b0
2 changed files with 79 additions and 0 deletions
+20
View File
@@ -32,6 +32,7 @@ import (
"git.fabledsword.com/bvandeusen/minstrel/internal/similarity"
"git.fabledsword.com/bvandeusen/minstrel/internal/subsonic"
syncpkg "git.fabledsword.com/bvandeusen/minstrel/internal/sync"
"git.fabledsword.com/bvandeusen/minstrel/internal/tags"
)
func main() {
@@ -205,6 +206,25 @@ func run() error {
similarityWorker := similarity.NewWorker(pool, listenbrainz.NewClient(), logger.With("component", "similarity"))
go similarityWorker.Run(ctx)
// Start the tag-enrichment worker (#1490). Reconciles the compiled-in
// tag providers with tag_provider_settings, bumps the sources version if
// the provider set changed (re-opening settled rows), then drains tracks
// needing folksonomy tags on a periodic tick. Standalone (not in the file
// scan chain) because tag lookups need only DB fields — MBID / artist /
// title — that a scan has already imported.
tagSettings, err := tags.NewSettingsService(ctx, pool, logger.With("component", "tags"))
if err != nil {
logger.Error("tag settings service init failed", "err", err)
os.Exit(1)
}
if newVer, bumped, berr := tagSettings.BumpVersionIfProvidersChanged(ctx); berr != nil {
logger.Warn("tags: provider-hash boot check failed", "err", berr)
} else if bumped {
logger.Info("tags: registered provider set changed; version bumped", "new_version", newVer)
}
tagEnricher := tags.NewEnricher(pool, logger.With("component", "tags"), tagSettings)
go tags.NewWorker(tagEnricher, logger.With("component", "tags")).Run(ctx)
// Start the GC worker. Runs every 1h and sweeps lifecycle tables
// that have no writer-side close path or retention policy:
// orphan play_events, stale play_sessions, expired