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<?php |
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namespace carono\yii2file; |
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use yii\db\ActiveRecord; |
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use yii\helpers\FileHelper; |
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/** |
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* Trait FileUploadTrait |
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* |
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* @package carono\yii2file |
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* @property integer $id |
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* @property string $uid |
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* @property integer $user_id |
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* @property string $name |
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* @property string $extension |
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* @property string $folder |
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* @property string $mime_type |
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* @property integer $size |
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* @property string $data |
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* @property string $session |
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* @property string $md5 |
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* @property string $slug |
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* @property integer $is_active |
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* @property integer $is_exist |
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* @property resource $binary |
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* @property string $created_at |
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* @property string $updated_at |
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* |
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* @property string $fileName |
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* @property string $realFileName |
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* @property string $realFilePath |
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* |
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* @mixin ActiveRecord |
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*/ |
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trait FileUploadTrait |
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{ |
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public $fileNameAsUid = true; |
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public $eraseOnDelete = true; |
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public $uploaderClass = 'carono\yii2file\Uploader'; |
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public $fileUploadFolder = '@app/files'; |
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public function init() |
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{ |
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$this->on(self::EVENT_BEFORE_DELETE, [$this, 'eraseOnDelete']); |
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parent::init(); |
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} |
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/** |
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* @param $file |
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* @return Uploader|mixed |
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*/ |
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public static function startUpload($file) |
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{ |
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$model = new self(); |
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return \Yii::createObject([ |
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'class' => $model->uploaderClass, |
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'modelClass' => self::className(), |
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'file' => $file, |
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'folder' => $model->fileUploadFolder |
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]); |
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} |
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/** |
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* @return bool |
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*/ |
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public function deleteFile() |
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{ |
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if ($this->fileExist()) { |
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@unlink($this->getRealFilePath()); |
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if ($f = !$this->fileExist()) { |
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self::updateAttributes(["is_exist" => false]); |
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} |
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return $f; |
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} else { |
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return true; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getRealFileName() |
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{ |
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if ($this->fileNameAsUid == true) { |
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return $this->uid . '.' . $this->extension; |
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} else { |
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return $this->name . '.' . $this->extension; |
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} |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getRealFilePath() |
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{ |
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$path = \Yii::getAlias($this->folder) . DIRECTORY_SEPARATOR . $this->getRealFileName(); |
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return str_replace('/', DIRECTORY_SEPARATOR, $path); |
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} |
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/** |
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* @return bool |
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*/ |
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public function fileExist() |
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{ |
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return file_exists($this->getRealFilePath()); |
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} |
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/** |
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* @return bool|null |
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*/ |
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public function isImage() |
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{ |
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if (($mime = $this->mime_type) || ($mime = FileHelper::getMimeType($this->getRealFilePath()))) { |
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return strpos($mime, 'image') === 0; |
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} else { |
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return null; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getFileName() |
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{ |
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return join('.', array_filter([$this->name, $this->extension])); |
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} |
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public function eraseOnDelete() |
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{ |
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if ($this->eraseOnDelete && $this->fileExist()) { |
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$this->deleteFile(); |
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} |
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} |
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} |
carono /
yii2-file-upload
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