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 isBigger($width,$height,$w,$h)
      {
          if($width>$w){
              return true;
          }else if($height >$h) {
              return true;
          }
          return false;
      }

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

          $width = $size->getWidth();
          $height = $size->getHeight();
  

          $e_width = $w/$h;
          $e_height = $h/$w;
  
          $e1_width = $width/$height;
          $e1_height = $height/$width;
  
  
          if($this->isBigger($width,$height,$w,$h)){
              if($e_width<$e1_width){
  
                  $new_width = $width*($e_width/$e1_width);
  
                  $y = 0;
                  $x = $width/ 2-($new_width/2);
                  $width = $new_width;
  
              }else {
  
                  $new_height = $height*($e_height/$e1_height);
                  $x = 0;
                  $y = $height/2-($new_height/2);
                  $height = $new_height;
              }
  
  

          } else {

              $img->save($imageAliasSave, array('flatten' => false));
              return true;

          }
  

  
          Image::crop($imageAlias, $width, $height,[$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(){

          $request = Yii::$app->request->post();
  
          if($request){
              if ($request['old_img']) {
                  $this->deleteImages($request['old_img']);
              }
              if(isset($request['action']) && $request['action']=='save'){
                  $object = str_replace('-', '\\',$request['model']);
                  $model = new $object;
                  $model = $model->findOne($request['id']);
                  $model->$request['field'] = $request['new_url'];
                  $model->save();
              }

          }

      }
  

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

          $request = Yii::$app->request->post();
          if ($request) {

              $model->file = UploadedFile::getInstance($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($request['width'] && $request['height']){

                  $imageAlias = Yii::getAlias($imgDir.$request['width'].'x'.$request['height'].'.'.$model->file->extension);

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

                  $this->resizeImg($request['width'], $request['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]);

              }
  

  
          }
      }

  
  }