public function validateFiles($event)
{
$isValid = true;
$post = Yii::$app->request->post('File', []);
foreach ($post as $key => $params) {
$uploadedFile = UploadedFile::getInstanceByName("File[{$key}][resource]");
if (null != $uploadedFile & isset($this->groups[$params['group']])) {
$file = new File();
$file->group = $params['group'];
$file->resource = $uploadedFile;
if (isset($this->groups[$file->group]['rules'])) {
$file->addValidationRules($this->groups[$file->group]['rules']);
}
if (!$file->validate()) {
$this->fileErrors[$file->group] = $file->getErrors();
$isValid = false;
}
}
}
$event->isValid = $isValid;
}
