Administrator / test_1

  <?php
  /**
   * Created by PhpStorm.
   * User: Cibermag
   * Date: 31.08.2015
   * Time: 9:58
   */
  namespace backend\components\base;
  

  use Yii;
  use yii\web\UploadedFile;
  use backend\models\ImageSizerForm;

  use yii\web\Controller;

  use Imagine\Gd\Imagine;
  use Imagine\Image\Box;
  use yii\imagine\Image;

  
  class BaseController extends Controller {
  

  
      private function resizeImg($w, $h, $imageAlias,$imageAliasSave){
          $img = Image::getImagine()->open(Yii::getAlias($imageAlias));
  
          $size = $img->getSize();

          $width = $size->getWidth();
          $height = $size->getHeight();
  
          if($width > $height) {
              $y = 0;
              $x = ($width - $height) / 2;
              $smallestSide = $height;
          } else {
              $x = 0;
              $y = ($height - $width) / 2;
              $smallestSide = $width;
          }
  

          Image::crop($imageAlias, $smallestSide, $smallestSide,[$x,$y])
              ->save(Yii::getAlias($imageAliasSave), ['quality' =>
                  100]);

          $imagine = new Imagine();
          $imagine->open($imageAliasSave)
              ->resize(new Box($w, $h))
              ->save($imageAliasSave, array('flatten' => false));

  
  
      }

      private function deleteImages($old_img){
  
          if(!empty($old_img) && file_exists($_SERVER['DOCUMENT_ROOT'].$old_img)){
  
              $rootDir = explode("/", $old_img);
  
              $row = $_SERVER['DOCUMENT_ROOT'].'/'.$rootDir[1].'/'.$rootDir[2].'/';
  
              $allFiles = scandir($row);
  
              $allFiles = array_slice($allFiles, 2);
  
              foreach($allFiles as $oldFile){
  
                  unlink($row.$oldFile);
  
              }
  
          }
      }
  
      public function actionDeleteImage(){
          $old_img = Yii::$app->request->post('old_img');
  
          if ($old_img) {
              $this->deleteImages($old_img);
          }
      }
  

  
      public function actionDownloadPhoto()
      {
  
          $model = new ImageSizerForm();

          if ($model->load(Yii::$app->request->post())) {
  

              $this->deleteImages($model->old_img);
  

              $model->file = UploadedFile::getInstance($model, 'file');
  
              $md5_file = md5_file($model->file->tempName);

              $imgDir = Yii::getAlias('@storage/'.$md5_file.'/');

  
              $imageOrigAlias = Yii::getAlias($imgDir.'original'.'.'.$model->file->extension);

              if(!is_dir($imgDir)) {
                  mkdir($imgDir, 0755, true);
              }

  
              $model->file->saveAs($imageOrigAlias);
  
              if($model->width && $model->height){
  
                  $imageAlias = Yii::getAlias($imgDir.$model->width.'x'.$model->height.'.'.$model->file->extension);
  
                  $imageLink = '/storage/'.$md5_file.'/'.$model->width.'x'.$model->height.'.'.$model->file->extension;
  
                  $this->resizeImg($model->width, $model->height, $imageOrigAlias,$imageAlias);
  
              } else {
  

                  $imageLink = '/storage/'.$md5_file.'/'.'original'.'.'.$model->file->extension;

  
              }
  

              if($model->multi){

                  $view = $this->renderPartial('@app/components/views/_gallery_item', [
                      'item' => ['image'=>$imageLink],
                  ]);
  
                  return json_encode(['link'=>$imageLink, 'view' =>$view]);

  
  
              } else {
                  return json_encode(['link'=>$imageLink]);

              }
  

  
          }
      }

      /**
       * @param $mode - int: 0 - fetch from cache, - 1 - put in cache,  <2 - delete from cache
       * @param $data - array
       * @param $configuration - array
       * @throws \ErrorException
       */
      protected function parserCacheHandler( $mode, &$data = [], &$configuration = [] ){
          switch ( $mode ) {
              case 0:
                  if (Yii::$app->getCache()->get('parser_data') && Yii::$app->getCache()->get('parser_configuration')) {
                      $data = json_decode(Yii::$app->getCache()->get('parser_data'), true);
                      $configuration = unserialize(Yii::$app->getCache()->get('parser_configuration'));
                  } else {
                      throw new \ErrorException('Ошибка кеша');
                  }
                  break;
  
              case 1:
                  Yii::$app->getCache()->set('parser_data', json_encode($data), 1800);
                  // сохраняем в кеш модель - в ней настройки для дальнейшей обработки данных
                  Yii::$app->getCache()->set('parser_configuration', serialize($configuration), 1800);
                  break;
  
              default:
                  if( Yii::$app->getCache()->exists('parser_data') )
                      Yii::$app->getCache()->delete('parser_data');
  
                  if( Yii::$app->getCache()->exists('parser_configuration') )
                      Yii::$app->getCache()->delete('parser_configuration');
          }
  
      }

  }