/**
* @return \app\modules\document\models\Attachment|bool
* @throws \yii\base\Exception
*/
public function upload()
{
if ($this->validate()) {
$root = \Yii::getAlias('@webroot');
$path = '/uploads/' . date('Y-m-d');
$uploadPath = $root . $path;
$file = $this->file;
//check for the existence of a folder
if (!file_exists($uploadPath)) {
FileHelper::createDirectory($uploadPath, 0777, true);
}
//check for file with same name is exists
$srcPath = $path . '/' . $file->name;
$savePath = $uploadPath . '/' . $file->name;
if (file_exists($savePath)) {
$t = time();
$savePath = $uploadPath . '/' . $t . "_" . $file->name;
$srcPath = $path . '/' . $t . "_" . $file->name;
}
//move uploaded file and save it into database
if ($file->saveAs($savePath)) {
return Attachment::createNew($file, $srcPath);
}
}
return false;
}
