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 {
  

      public function beforeAction($action) {
          $this->enableCsrfValidation = false;
          return parent::beforeAction($action);
      }
  
      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;
          }
  
  
  
  
  //        die('$width = '.$width.','.'$height = '.$height.','.'$y = '.$y.','.'$x = '.$x.','.'$smallestSide = '.$smallestSide.',' );
  //
  //        $ratio = $size->getWidth()/$size->getHeight();
  //
  //        $height = $h;
  //        $width = round($height * $ratio);
  
          $image_p = imagecreatetruecolor($w, $h);
  
          $image = imagecreatefromjpeg($imageAlias);

          imagecopyresampled($image_p, $image, 0, 0, $x, $y,
              $w, $h, $smallestSide, $smallestSide);
  
          imagejpeg($image_p, $imageAliasSave);

  
  
      }

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

          if ($model->load(Yii::$app->request->post())) {
  
              $model->file = UploadedFile::getInstance($model, 'file');
  
              $md5_file = md5_file($model->file->tempName);
              $imgDir = Yii::getAlias('@storage/'.$md5_file.'/');
              $imageAlias = Yii::getAlias($imgDir.$model->width.'x'.$model->height.'.'.$model->file->extension);

              $imageLink = '/storage/'.$md5_file.'/'.$model->width.'x'.$model->height.'.'.$model->file->extension;

              if(!is_dir($imgDir)) {
                  mkdir($imgDir, 0755, true);
              }
              $model->file->saveAs($imageAlias);
              $this->resizeImg($model->width, $model->height, $imageAlias,$imageAlias);
              return json_encode(['link'=>$imageLink]);
  
          }
      }

  
  }