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<?php |
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/** |
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* Created by PhpStorm. |
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* User: vadim |
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* Date: 30.04.15 |
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* Time: 22:07 |
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*/ |
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namespace sibds\behaviors; |
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use yii\behaviors\AttributeBehavior; |
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use yii\db\ActiveRecord; |
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use yii\db\BaseActiveRecord; |
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use yii\helpers\ArrayHelper; |
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/** |
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* Class TrashBehavior |
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* @package sibds\behaviors |
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* @author Vadim Mazur <[email protected]> |
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* @since 0.1 |
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*/ |
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class TrashBehavior extends AttributeBehavior |
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{ |
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/** |
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* @var string The name of the table where data stored. |
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* Defaults to "removed". |
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*/ |
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public $trashAttribute = 'removed'; |
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/** |
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* @var mixed The value to set for removed model. |
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* Default is 1. |
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*/ |
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public $removedFlag=1; |
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/** |
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* @var mixed The value to set for restored model. |
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* Default is 0. |
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*/ |
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public $restoredFlag=0; |
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/** |
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* @var callable the value that will be assigned to the attributes. This should be a valid |
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* PHP callable whose return value will be assigned to the current attribute(s). |
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*/ |
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public $value; |
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/** |
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* @inheritdoc |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if (empty($this->attributes)) { |
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$this->attributes = [ |
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BaseActiveRecord::EVENT_BEFORE_DELETE => $this->trashAttribute, |
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]; |
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} |
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} |
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public function events(){ |
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return ArrayHelper::merge([ |
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ActiveRecord::EVENT_BEFORE_INSERT => 'checkNewRecord', |
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], parent::events()); |
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} |
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public function checkNewRecord($events){ |
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/* @var $owner BaseActiveRecord */ |
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$owner = $this->owner; |
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if($owner->hasAttribute($this->trashAttribute)) |
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if(empty($owner->{$this->trashAttribute})||is_null($owner->{$this->trashAttribute})) |
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$owner->{$this->trashAttribute} = $this->restoredFlag; |
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} |
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protected function getValue($event) |
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{ |
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/* @var $owner BaseActiveRecord */ |
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$owner = $this->owner; |
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if ($this->value === null) { |
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if($owner->{$this->trashAttribute}==$this->restoredFlag) |
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{ |
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$event->isValid = false; |
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$owner->{$this->trashAttribute}=$this->removedFlag; |
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$owner->save(false); |
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return $this->removedFlag; |
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}else{ |
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return true; |
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} |
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return false; |
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} else { |
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return call_user_func($this->value, $event); |
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} |
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} |
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public function restore() |
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{ |
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/* @var $owner BaseActiveRecord */ |
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$owner = $this->owner; |
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$owner->{$this->trashAttribute}=$this->restoredFlag; |
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$owner->save(false); |
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} |
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public function getIsRemoved(){ |
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return $this->owner->{$this->trashAttribute}==$this->removedFlag; |
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} |
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public function trashAttribute(){ |
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$owner = $this->owner->className(); |
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return $owner::tableName().'.'.$this->trashAttribute; |
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} |
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public function fullTrashAttribute($removed=false){ |
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return [$this->trashAttribute()=>($removed?$this->removedFlag:$this->restoredFlag)]; |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.