0.2.45 - Advanced analytics, logout old versions

server/internal/config/config.go

@@ -75,7 +75,8 @@ type Config struct {
 	SyncUserID string
 	SyncAPIKey string
 
-	// AnalyticsRetention is how long raw row events are kept before being pruned.
+	// AnalyticsRetention is how long raw row and journey events are kept before pruning.
+	// Load enforces a 30-day floor so the per-user history promise cannot be configured away.
 	AnalyticsRetention time.Duration
 
 	// Sonarr is optional. When configured, its local calendar supplies the informational
@@ -192,6 +193,9 @@ func Load() (Config, error) {
 		ForYouRefreshInterval: duration("MEMBY_FOR_YOU_REFRESH_INTERVAL", 24*time.Hour),
 		ForYouRebuildHour:     integer("MEMBY_FOR_YOU_REBUILD_HOUR", 4),
 	}
+	if c.AnalyticsRetention < 30*24*time.Hour {
+		c.AnalyticsRetention = 30 * 24 * time.Hour
+	}
 
 	if c.EmbyURL == "" {
 		return c, fmt.Errorf("MEMBY_EMBY_URL is required")

server/internal/config/config_test.go

@@ -63,3 +63,17 @@ func TestRecommendationWeightsMustBeJSON(t *testing.T) {
 		t.Fatal("expected invalid recommendation weights to fail")
 	}
 }
+
+func TestAnalyticsRetentionCannotDropBelowThirtyDays(t *testing.T) {
+	t.Setenv("MEMBY_EMBY_URL", "http://emby")
+	t.Setenv("MEMBY_DATABASE_URL", "postgres://memby")
+	t.Setenv("MEMBY_ANALYTICS_RETENTION", "168h")
+
+	cfg, err := Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.AnalyticsRetention != 30*24*time.Hour {
+		t.Fatalf("analytics retention = %v, want 30 days", cfg.AnalyticsRetention)
+	}
+}