$this->value - это параметр класса, в котором написана функция
Его я не наблюдаю Как добавить проверку в 'beforeDelete', что 'image' не пусто?
<?php
namespace sandros\blog\models;
use common\components\behaviors\StatusBehavior;
use Yii;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;
use yii\db\Expression;
use yii\helpers\ArrayHelper;
use yii\helpers\Url;
use yii\web\UploadedFile;
use common\models\User;
use common\models\ImageManager;
/**
* This is the model class for table "blog".
*
* @property integer $id
* @property string $title
* @property string $text
* @property string $image
* @property string $url
* @property string $date_create
* @property string $date_update
* @property integer $status_id
* @property integer $sort
*/
class Blog extends ActiveRecord
{
const STATUS_LIST = ['off','on'];
const IMAGES_SIZE = [
['50','50'],
['800',null],
];
public $tags_array;
public $file;
/**
* @inheritdoc
*/
public static function tableName()
{
return 'blog';
}
public function behaviors()
{
return [
'timestampBehavior'=>[
'class' => TimestampBehavior::className(),
'createdAtAttribute' => 'date_create',
'updatedAtAttribute' => 'date_update',
'value' => new Expression('NOW()'),
],
'statusBehavior'=>[
'class' => StatusBehavior::className(),
'statusList' => self::STATUS_LIST,
]
];
}
/**
* @inheritdoc
*/
public function rules()
{
return [
[['title', 'url'], 'required'],
[['text'], 'string'],
[['url'], 'unique'],
[['status_id', 'sort'], 'integer'],
[['sort'], 'integer', 'max'=>99, 'min'=>1],
[['title', 'url'], 'string', 'max' => 150],
[['image'], 'string', 'max' => 100],
[['file'], 'image'],
[['tags_array','date_create','date_update'], 'safe'],
];
}
/**
* @inheritdoc
*/
public function attributeLabels()
{
return [
'id' => 'ID',
'title' => 'Заголовок',
'text' => 'Текст',
'url' => 'ЧПУ',
'status_id' => 'Статус',
'sort' => 'Сортировка',
'tags_array' => 'Тэги',
'image' => 'Картинка',
'file' => 'Картинка',
'tagsAsString' => 'Тэги',
'author.username' => 'Имя Автора',
'author.email' => 'Почта Автора',
'date_update' => 'Обновлено',
'date_create' => 'Создано',
];
}
public function getAuthor(){
return $this->hasOne(User::className(),['id'=>'user_id']);
}
public function getImages()
{
return $this->hasMany(ImageManager::className(), ['item_id' => 'id'])->andWhere(['class'=>self::tableName()])->orderBy('sort');
}
public function getImagesLinks()
{
return ArrayHelper::getColumn($this->images,'imageUrl');
}
public function getImagesLinksData()
{
return ArrayHelper::toArray($this->images,[
ImageManager::className() => [
'caption'=>'name',
'key'=>'id',
]]
);
}
public function getBlogTag(){
return $this->hasMany(BlogTag::className(),['blog_id'=>'id']);
}
public function getTags()
{
return $this->hasMany(Tag::className(), ['id' => 'tag_id'])->via('blogTag');
}
public function getTagsAsString()
{
$arr = \yii\helpers\ArrayHelper::map($this->tags,'id','name');
return implode(', ',$arr);
}
public function getSmallImage()
{
if($this->image){
$path = str_replace('admin.','',Url::home(true)).'uploads/images/blog/50x50/'.$this->image;
}else{
$path = str_replace('admin.','',Url::home(true)).'uploads/images/ss.jpg';
}
return $path;
}
public function afterFind()
{
parent::afterFind();
$this->tags_array = $this->tags;
}
public function beforeSave($insert)
{
if($file = UploadedFile::getInstance($this, 'file')){
$dir = Yii::getAlias('@images').'/blog/';
if(file_exists($dir.$this->image)){
unlink($dir.$this->image);
}
if(file_exists($dir.'50x50/'.$this->image)){
unlink($dir.'50x50/'.$this->image);
}
if(file_exists($dir.'800x/'.$this->image)){
unlink($dir.'800x/'.$this->image);
}
$this->image = strtotime('now').'_'.Yii::$app->getSecurity()->generateRandomString(6) . '.' . $file->extension;
$file->saveAs($dir.$this->image);
$imag = Yii::$app->image->load($dir.$this->image);
$imag->background('#fff',0);
$imag->resize('50','50', Yii\image\drivers\Image::INVERSE);
$imag->crop('50','50');
$imag->save($dir.'50x50/'.$this->image, 90);
$imag = Yii::$app->image->load($dir.$this->image);
$imag->background('#fff',0);
$imag->resize('800',null, Yii\image\drivers\Image::INVERSE);
$imag->save($dir.'800x/'.$this->image, 90);
}
return parent::beforeSave($insert);
}
public function afterSave($insert, $changedAttributes)
{
parent::afterSave($insert, $changedAttributes);
$arr = \yii\helpers\ArrayHelper::map($this->tags,'id','id');
foreach ($this->tags_array as $one){
if(!in_array($one,$arr)){
$model = new BlogTag();
$model->blog_id = $this->id;
$model->tag_id = $one;
$model->save();
}
if(isset($arr[$one])){
unset($arr[$one]);
}
}
BlogTag::deleteAll(['tag_id'=>$arr]);
}
public function beforeDelete()
{
if (parent::beforeDelete()) {
$dir = Yii::getAlias('@images').'/blog/';
if(file_exists($dir.$this->image)){
unlink($dir.$this->image);
}
foreach (self::IMAGES_SIZE as $size){
$size_dir = $size[0].'x';
if($size[1] !== null)
$size_dir .= $size[1];
if(file_exists($dir.$this->image)){
unlink($dir.$size_dir.'/'.$this->image);
}
}
BlogTag::deleteAll(['blog_id'=>$this->id]);
return true;
} else {
return false;
}
}
}