panel — open-source game server manager (public release)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

controller/internal/db/retention.go

@@ -0,0 +1,25 @@
+package db
+
+import (
+	"context"
+	"fmt"
+	"time"
+)
+
+// PruneEmpyrionEvents deletes empyrion_events rows older than keep.
+// empyrion_events is append-only (one row per bridge Event_* package) and
+// grows without bound on a busy server; the history/activity views only
+// ever page over recent windows. Returns the number of rows deleted.
+//
+// empyrion_known_players is NOT pruned here: it is already compact — one
+// upserted row per (instance_id, player_id) carrying login_count and
+// first/last_seen aggregates the players view depends on.
+func (db *DB) PruneEmpyrionEvents(ctx context.Context, keep time.Duration) (int64, error) {
+	tag, err := db.pool.Exec(ctx,
+		`DELETE FROM empyrion_events WHERE ts < NOW() - $1::interval`,
+		fmt.Sprintf("%d seconds", int64(keep.Seconds())))
+	if err != nil {
+		return 0, fmt.Errorf("prune empyrion_events: %w", err)
+	}
+	return tag.RowsAffected(), nil
+}