feat: add batch update support (close #414)

main.go

@@ -77,6 +77,11 @@ func main() {
 		}
 		go controller.AutomaticallyTestChannels(frequency)
 	}
+	if os.Getenv("BATCH_UPDATE_ENABLED") == "true" {
+		common.BatchUpdateEnabled = true
+		common.SysLog("batch update enabled with interval " + strconv.Itoa(common.BatchUpdateInterval) + "s")
+		model.InitBatchUpdater()
+	}
 	controller.InitTokenEncoders()
 
 	// Initialize HTTP server