0.2.78

server/internal/store/for_you.go

@@ -64,6 +64,14 @@ type TracearrImportState struct {
 	LastIncrementalAt *time.Time `json:"lastIncrementalAt,omitempty"`
 	LastFullAt        *time.Time `json:"lastFullAt,omitempty"`
 	LastError         string     `json:"lastError,omitempty"`
+	// LastRebuildAt is when the household's For You rows were last rebuilt in full.
+	//
+	// It lives in this document rather than in a table of its own because it is the same
+	// kind of fact as the two stamps above it — where the For You pipeline has got to —
+	// and because the daily rebuild is now a scheduled task, which means the alternative
+	// was inferring "did today's rebuild happen" from run history that also records the
+	// ticks on which it correctly declined to run.
+	LastRebuildAt *time.Time `json:"lastRebuildAt,omitempty"`
 }
 
 type RecommendationProfile struct {
@@ -407,6 +415,20 @@ func (s *Store) SetTracearrImportState(ctx context.Context, state TracearrImport
 	return nil
 }
 
+// MarkForYouRebuild records that the household's rows have just been rebuilt.
+//
+// Read-modify-write rather than a whole-document put, because the importer owns the other
+// two stamps in this document and an import running beside a rebuild must not lose its own.
+func (s *Store) MarkForYouRebuild(ctx context.Context, at time.Time) error {
+	state, err := s.TracearrImportState(ctx)
+	if err != nil {
+		return err
+	}
+	stamp := at.UTC()
+	state.LastRebuildAt = &stamp
+	return s.SetTracearrImportState(ctx, state)
+}
+
 func (s *Store) ActiveRecommendationUsers(ctx context.Context) ([]Session, error) {
 	rows, err := s.pool.Query(ctx, `
 		SELECT DISTINCT ON (emby_user_id)