/**
* 保存后进行处理
* 写入照片的上一页,下一页
*
* @param bool $insert
* @param array $changedAttributes
*/
public static function updatePrevNextAndCover($album_id)
{
if (!empty($album_id)) {
$photos = Photo::find()->andWhere(['album_id' => $album_id])->all();
$albumCoverPhoto = null;
if (!empty($photos)) {
foreach ($photos as $key => $val) {
if ($val->is_album_cover == 1) {
$albumCoverPhoto = $val;
}
$prev_photo = Photo::getPhotoHasPrev($key, $photos);
$next_photo = Photo::getPhotoHasNext($key, $photos);
if ($prev_photo == $val->prev_photo && $next_photo == $val->next_photo) {
continue;
} else {
$Photo = Photo::findOne($val->id);
$Photo->prev_photo = $prev_photo;
$Photo->next_photo = $next_photo;
$Photo->save();
}
}
}
if (empty($albumCoverPhoto)) {
$albumCoverPhoto = array_shift($photos);
}
$Album = Album::findOne($album_id);
$Album->image = $albumCoverPhoto->image;
$Album->cover = $albumCoverPhoto->cover;
$Album->thumb = $albumCoverPhoto->thumb;
$Album->icon = $albumCoverPhoto->icon;
$Album->save();
}
}
/**
* Finds the Photo model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Photo the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Photo::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
