/**
* @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;
}
/**
* Delete attachment from server and db.
*
* @var $attachment_id
*
* @return bool
* @throws \Exception
*/
public function actionDelete()
{
if (\Yii::$app->request->isPost && \Yii::$app->request->isAjax) {
$attachment_id = \Yii::$app->request->post('attachment_id');
//if attachment with id is exists
if ($attachment = Attachment::findOne(["id" => $attachment_id])) {
/* @var Attachment $attachment */
$attachment->delete();
echo \yii\helpers\Json::encode(['status' => '1']);
}
}
return false;
}
/**
* @return int|string
*/
public function getAttachmentsCount()
{
return $this->hasMany(Attachment::className(), ['document_id' => 'id'])->count();
}