fix: mimetype nil pointer

client/bot/handlers/utils/shortcut/message.go

@@ -82,7 +82,7 @@ func GetFilesFromUpdateLinkMessageWithReplyEdit(ctx *ext.Context, update *ext.Up
 
 	files = make([]tfile.TGFileMessage, 0, len(msgLinks))
 	addFile := func(msg *tg.Message) {
-		if msg == nil {
+		if msg == nil || msg.Media == nil {
 			logger.Warn("message is nil, skipping")
 			return
 		}

common/utils/tgutil/message.go

@@ -27,11 +27,11 @@ func GenFileNameFromMessage(message tg.Message) string {
 			if !ok {
 				return ""
 			}
-			ext := mimetype.Lookup(doc.MimeType).Extension()
-			if ext == "" {
+			mmt := mimetype.Lookup(doc.MimeType)
+			if mmt == nil || mmt.Extension() == "" {
 				return ""
 			}
-			return ext
+			return mmt.Extension()
 		case *tg.MessageMediaPhoto:
 			return ".jpg"
 		}