public void uploadFile(FileUploadEvent event) throws IOException {
   CartexDesign cartexDesign = CartexDesignService.getCartexDesignByUserId(user.getId());
   if (cartexDesign != null) {
     cartexDesign.setImage(IOUtils.toByteArray(event.getFile().getInputstream()));
     CartexDesignService.editCartexDesign(cartexDesign);
   } else {
     CartexDesignService.addCartexDesign(
         user.getId(),
         "",
         "",
         "",
         "",
         "",
         "",
         "",
         "",
         IOUtils.toByteArray(event.getFile().getInputstream()));
   }
   init();
 }