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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 yii\db\ActiveRecord; |
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use yii\web\UploadedFile; |
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/** |
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* Class FileSaveBehavior |
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* |
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* @package app\behaviors |
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* @property ActiveRecord $owner |
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*/ |
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class FileSaveBehavior extends \yii\base\Behavior |
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{ |
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protected $_file; |
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public $attribute; |
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public $field; |
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/** |
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* @var FileUploadTrait |
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*/ |
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public $fileClass; |
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public $saveFile; |
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public $removeFileValue = 'remove'; |
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public function canSetProperty($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->setFile($value); |
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} else { |
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parent::__set($name, $value); |
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} |
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} |
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protected function setFile($value) |
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{ |
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if ($value instanceof UploadedFile) { |
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$this->_file = $value; |
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} else { |
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$this->_file = UploadedFile::getInstance($this->owner, $this->attribute); |
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} |
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$eventName = $this->owner->isNewRecord ? ActiveRecord::EVENT_BEFORE_INSERT : ActiveRecord::EVENT_BEFORE_UPDATE; |
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$data = [ |
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'file' => $this->_file, |
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'field' => $this->field, |
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'attribute' => $this->attribute, |
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'fileClass' => $this->fileClass, |
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'remove' => $value == $this->removeFileValue |
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]; |
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$this->owner->on($eventName, $this->saveFile instanceof \Closure ? $this->saveFile : [$this, 'saveFile'], $data); |
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} |
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public function saveFile($event) |
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{ |
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$file = $event->data['file']; |
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$field = $event->data['field']; |
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$attribute = $event->data['attribute']; |
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$fileClass = $event->data['fileClass']; |
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$remove = $event->data['remove']; |
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if ($file && $file instanceof UploadedFile) { |
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$field = $field ?: $attribute . '_id'; |
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$this->owner->{$field} = $fileClass::startUpload($file)->process()->id; |
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} |
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if ($remove) { |
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$this->owner->{$field} = null; |
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} |
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} |
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} |
carono /
yii2-file-upload
