private function removeUploadDir($dir)
{
BaseFileHelper::removeDirectory(Comkarupan::getUploadPath() . $dir);
}
private function createThumbnail($folderName, $fileName, $width = 250)
{
$uploadPath = Comkarupan::getUploadPath() . '/' . $folderName . '/';
$file = $uploadPath . $fileName;
$image = Yii::$app->image->load($file);
$image->resize($width);
$image->save($uploadPath . 'thumbnail/' . $fileName);
return;
}