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<?php |
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namespace carono\yii2file\behaviors; |
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use carono\yii2file\FileUploadTrait; |
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use carono\yii2migrate\traits\PivotTrait; |
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use yii\db\ActiveRecord; |
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use yii\web\UploadedFile; |
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/** |
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* Class PivotFileSaveBehavior |
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* |
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* @package backend\behaviors |
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* @property PivotTrait|ActiveRecord $owner |
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*/ |
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class PivotFileSaveBehavior extends \yii\base\Behavior |
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{ |
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protected $_pivots; |
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public $attribute; |
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public $pivotClass; |
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public $fileProcess; |
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public $fileClass; |
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public function canSetProperty($name, $checkVars = true) |
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{ |
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return $name === $this->attribute; |
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} |
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public function __set($name, $value) |
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{ |
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if ($this->canSetProperty($name)) { |
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$this->setPivots($value); |
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} else { |
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parent::__set($name, $value); |
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} |
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} |
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public function getStoredPivots($attribute) |
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{ |
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if ($attribute === $this->attribute) { |
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return $this->_pivots; |
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} |
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return null; |
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} |
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/** |
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* @return ActiveRecord|FileUploadTrait |
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*/ |
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protected function getModelClass() |
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{ |
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return $this->fileClass; |
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} |
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protected function setPivots($values) |
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{ |
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if (empty(array_filter((array)$values))) { |
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$values = UploadedFile::getInstances($this->owner, $this->attribute); |
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} |
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$class = $this->getModelClass(); |
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$this->_pivots = []; |
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foreach ((array)$values as $value) { |
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if (is_numeric($value)) { |
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$this->_pivots[] = $class::findOne($value); |
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} elseif ($this->fileProcess instanceof \Closure) { |
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$this->_pivots[] = call_user_func_array($this->fileProcess, [$value, $class]); |
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} elseif ($value instanceof UploadedFile) { |
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$this->_pivots[] = $class::startUpload($value)->process(); |
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} |
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} |
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$eventName = $this->owner->isNewRecord ? ActiveRecord::EVENT_AFTER_INSERT : ActiveRecord::EVENT_AFTER_UPDATE; |
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$this->owner->on($eventName, [$this, 'savePivots']); |
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} |
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public function savePivots() |
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{ |
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foreach ((array)$this->_pivots as $pv) { |
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$this->owner->addPivot($pv, $this->pivotClass); |
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} |
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} |
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} |
carono /
yii2-file-upload
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