public function upload(FileInterface &$model, $attribute, $isPrivate = null)
{
$file = \yii\web\UploadedFile::getInstanceByName($attribute);
$destination = $this->getDestinationFolder($model->getFolder(), $isPrivate);
$destination .= DIRECTORY_SEPARATOR . $file->baseName . '.' . $file->extension;
if (file_exists($destination) and File::findOne(['path' => $destination])) {
$model = File::findOne(['path' => $destination]);
} else {
$model->setPath($destination);
$model->setExtension($file->extension);
$model->setSystemName($file->baseName);
}
if (!$file->saveAs($destination)) {
return false;
}
return true;
}
/**
* @return \yii\db\ActiveQuery
*/
public function getImages()
{
return $this->hasMany(File::className(), ['id' => 'image_id'])->viaTable('category_image', ['category_id' => 'id']);
}