Added option to disable chat

main.go

@@ -4,6 +4,7 @@ import (
     "fmt"
     "log"
     "os"
+    utils "github.com/tgckpg/golifehk/utils"
     mtrbus "github.com/tgckpg/golifehk/datasources/mtr/bus"
     kmb "github.com/tgckpg/golifehk/datasources/kmb"
     query "github.com/tgckpg/golifehk/query"
@@ -42,6 +43,14 @@ func main() {
         log.Printf( "[%s] %s", update.Message.From.UserName, update.Message.Text )
         isGroup := ( update.Message.Chat.ID < 0 )
 
+        mesg, processed := utils.SystemControl( update.Message )
+        if processed {
+            if mesg != "" {
+                botsend( bot, &update, &mesg )
+            }
+            continue
+        }
+
         f_queries := []func( string, string ) query.IQueryResult{
             mtrbus.Query,
             kmb.Query,
@@ -50,7 +59,8 @@ func main() {
         var f_sent bool = false
         var f_err error = nil
         for _, Query := range f_queries {
-            mesg, err := Query( "zh-Hant", update.Message.Text ).Message()
+            var err error
+            mesg, err = Query( "zh-Hant", update.Message.Text ).Message()
 
             if err == nil {
                 f_sent = true