SaveImgBehavior.php
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<?php
namespace common\behaviors;
use common\modules\comment\models\CommentModel;
use yii\base\Behavior;
use yii\db\ActiveRecord;
use yii\web\UploadedFile;
/**
* Class RatingBehavior
* @property CommentModel $owner
* @package common\behaviors
*/
class SaveImgBehavior extends Behavior
{
public $fields;
//public $directory;
public function events()
{
return [
ActiveRecord::EVENT_BEFORE_UPDATE => 'beforeUpdate',
ActiveRecord::EVENT_BEFORE_INSERT => 'beforeInsert',
];
}
public function beforeUpdate($event)
{
foreach($this->fields as $field){
if ( ($image = UploadedFile::getInstance($this->owner, $field['name'])) ) {
$this->owner->{$field['name']} = $image->name;
}
if(!$this->owner->{$field['name']}){
$this->owner->{$field['name']} = $this->owner->getOldAttribute($field['name']);
}
if ($image) {
$imgDir = \Yii::getAlias('@storage/'.$field['directory'].'/');
if(!is_dir($imgDir)) {
mkdir($imgDir, 0755, true);
}
$image->saveAs(\Yii::getAlias('@storage/'.$field['directory'].'/' . $image->name));
}
}
}
public function getImagesConfig($image = 'image') {
$op = [];
if ($this->owner->$image) {
$op[] = [
'caption' => $this->owner->$image,
'url' => \yii\helpers\Url::to(['delimg', 'id' => $this->owner->primaryKey, 'field' =>$image ]),
'key' => $this->owner->primaryKey,
'extra' => [
'id' => $this->owner->primaryKey,
],
];
}
return $op;
}
public function beforeInsert($event)
{
foreach($this->fields as $field){
if ( ($image = UploadedFile::getInstance($this->owner, $field['name'])) ) {
$this->owner->{$field['name']} = $image->name;
}
if ($image) {
$imgDir = \Yii::getAlias('@storage/'.$field['directory'].'/');
if(!is_dir($imgDir)) {
mkdir($imgDir, 0755, true);
}
$image->saveAs(\Yii::getAlias('@storage/'.$field['directory'].'/' . $image->name));
}
}
}
public function getImageFile($image = 'image') {
return empty($this->owner->$image) ? null : '/storage/'.$this->fields[0]['directory'].'/'. $this->owner->$image;
}
public function getImageUrl($image = 'image') {
return empty($this->owner->$image) ? null : '/storage/'.$this->fields[0]['directory'].'/'. $this->owner->$image;
}
}