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<?php |
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/** |
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* @link https://github.com/yiimaker/yii2-banner |
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* @copyright Copyright (c) 2017 Yii Maker |
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* @license BSD 3-Clause License |
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*/ |
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namespace ymaker\banner\backend\services; |
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use Yii; |
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use yii\base\Object; |
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use yii\data\ActiveDataProvider; |
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use yii\db\Connection; |
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use yii\di\Instance; |
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use yii\web\NotFoundHttpException; |
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use yii\web\UploadedFile; |
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use ymaker\banner\backend\exceptions\FileUploadException; |
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use ymaker\banner\backend\models\entities\Banner; |
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use ymaker\banner\backend\models\entities\BannerTranslation; |
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use ymaker\banner\common\components\FileManager; |
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/** |
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* Service for banner. |
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* |
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* @author Vladimir Kuprienko <[email protected]> |
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* @since 1.0 |
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*/ |
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class BannerService extends Object implements BannerServiceInterface |
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{ |
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/** |
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* @var string|array|Connection |
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*/ |
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private $_db = 'db'; |
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/** |
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* @var FileManager |
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*/ |
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private $_fileManager; |
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/** |
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* @var Banner |
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*/ |
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private $_model; |
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/** |
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* @inheritdoc |
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* @param FileManager $fileManager |
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*/ |
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public function __construct(FileManager $fileManager, $config = []) |
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{ |
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$this->_fileManager = $fileManager; |
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parent::__construct($config); |
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} |
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/** |
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* @param string|array|Connection $db |
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*/ |
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public function setDb($db) |
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{ |
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$this->_db = $db; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function init() |
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{ |
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$this->_db = Instance::ensure($this->_db, Connection::class); |
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} |
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/** |
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* @return \yii\data\ActiveDataProvider |
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*/ |
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public function getDataProvider() |
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{ |
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return new ActiveDataProvider([ |
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'db' => $this->_db, |
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'query' => Banner::find()->with('translations'), |
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]); |
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} |
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/** |
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* @param int $id |
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* @return Banner |
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* @throws NotFoundHttpException |
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*/ |
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private function findModel($id) |
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{ |
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if ($model = Banner::findOne($id)) { |
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return $model; |
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} |
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throw new NotFoundHttpException(); |
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} |
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/** |
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* Returns primary model object. |
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* |
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* @param null|int $id |
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* @return Banner |
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* @throws NotFoundHttpException |
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*/ |
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public function getModel($id = null) |
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{ |
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if ($id === null) { |
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$model = new Banner(); |
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$model->loadDefaultValues(); |
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$this->_model = $model; |
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} else { |
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$this->_model = $this->findModel($id); |
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} |
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return $this->_model; |
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} |
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/** |
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* Save uploaded file to file system. |
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* |
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* @param BannerTranslation $model |
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* @return string |
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* @throws FileUploadException |
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*/ |
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private function saveUploadedFile($model) |
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{ |
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$uploadedFile = UploadedFile::getInstance($model, 'imageFile'); |
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if ($uploadedFile === null) { |
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return $model->file_name; |
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} |
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$fileName = $this->_fileManager->generateFileName($uploadedFile->extension); |
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if ($uploadedFile->saveAs($this->_fileManager->getImageSrc($fileName))) { |
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if (!$model->getIsNewRecord()) { |
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$this->_fileManager->deleteFile($model->file_name); |
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} |
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return $fileName; |
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} |
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throw new FileUploadException('Error code #' . $uploadedFile->error); |
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} |
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/** |
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* Save banner to database. |
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* |
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* @param array $data |
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* @throws FileUploadException |
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* @throws \DomainException |
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* @throws \RuntimeException |
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*/ |
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protected function saveInternal(array $data) |
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{ |
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if (!$this->_model->load($data)) { |
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throw new \DomainException('Cannot load data to primary model'); |
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} |
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foreach ($data[BannerTranslation::internalFormName()] as $language => $dataSet) { |
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$model = $this->_model->getTranslation($language); |
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$model->file_name = $this->saveUploadedFile($model); |
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foreach ($dataSet as $attribute => $translation) { |
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$model->$attribute = $translation; |
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} |
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} |
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if (!$this->_model->save()) { |
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throw new \RuntimeException(); |
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} |
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} |
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/** |
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* Save banner and log exceptions. |
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* |
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* @param array $data |
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* @return bool |
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*/ |
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public function save(array $data) |
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{ |
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try { |
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$this->saveInternal($data); |
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return true; |
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} catch (\Exception $ex) { |
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Yii::$app->getErrorHandler()->logException($ex); |
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} |
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return false; |
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} |
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/** |
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* Removes banner. |
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* |
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* @param int $id |
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* @return bool |
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* @throws NotFoundHttpException |
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*/ |
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public function delete($id) |
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{ |
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try { |
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$model = $this->findModel($id); |
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foreach ($model->translations as $translation) { |
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if (!$this->_fileManager->deleteFile($translation->file_name)) { |
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Yii::trace('Cannot delete "' . $translation->file_name . '" file', 'yii2-banner'); |
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} |
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} |
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return (bool)$model->delete(); |
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} catch (\Exception $ex) { |
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Yii::$app->getErrorHandler()->logException($ex); |
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} |
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return false; |
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} |
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} |
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yiimaker /
yii2-banner
