Denys / ImageCropper

  <?php
  
  namespace backend\controllers;
  
  use backend\components\croppers\CropContext;
  use backend\components\croppers\CropFactory;
  

  use backend\components\Helper;

  use Yii;

  use yii\helpers\FileHelper;

  use yii\helpers\StringHelper;

  use yii\web\Controller;
  use backend\models\UploadForm;
  use yii\web\UploadedFile;
  
  class ImageController extends Controller
  {
      public function actionIndex()
      {
          $request = Yii::$app->request;
          $model = new UploadForm();
          $ukrSeeds = Yii::$app->params['ukrSeeds'];
  
          if ($request->isPost) {
              $model->imageFiles = UploadedFile::getInstances($model, 'imageFiles');
              $model->upload();
  
              $crop_id = $request->post('crop_id');
  
              $cropFactory = CropFactory::getInstance();

              $minHeight = $cropFactory->findMinHeight();

              $cropContext = new CropContext($cropFactory->getCrop($crop_id));
  
              foreach($model->imageFiles as $file) {

                  $baseName = Helper::transliterate($file->baseName);
                  $path = dirname(dirname(__DIR__)) . '/uploads/' . $baseName . '.' . $file->extension;

                  $image = Yii::$app->imagine->open($path);

                  $image = $cropContext->cropImage($image, $path);
                  $box = $image->getSize()->heighten($minHeight);
                  $image->resize($box)

                      ->save(dirname(dirname(__DIR__)) . '/uploads/' . $baseName . '-resized' . '.' . $file->extension);

              }
          }
          return $this->render('index', ['model' => $model, 'ukrSeeds' => $ukrSeeds]);
      }
  

      public function actionGallery()
      {
          $files = FileHelper::findFiles(dirname(dirname(__DIR__)) . '/uploads/');

          $images = [];
  
          foreach($files as $file) {
              $a = getimagesize($file);
              $image_type = $a[2];
  
              if(in_array($image_type , [IMAGETYPE_GIF , IMAGETYPE_JPEG ,IMAGETYPE_PNG , IMAGETYPE_BMP]))
              {
                  $images[] = '/uploads/' . StringHelper::basename($file);
              }

          }

          return $this->render('gallery', ['files' => $images]);

      }
  

      public function actionGetParams($crop_id)
      {
          if (Yii::$app->request->isAjax) {
  
              $cropFactory = CropFactory::getInstance();
  
              $res = [
                  'body'    => $cropFactory->getCrop($crop_id)->getConstants(),
                  'success' => true,
              ];
  
              return json_encode($res);
          }
      }

  
      public function actionDownloadAll()
      {
          $files = FileHelper::findFiles(dirname(dirname(__DIR__)) . '/uploads/');
          $zip = new \ZipArchive();
  
          $filename = dirname(dirname(__DIR__)) . '/uploads/images.zip';
          $zip->open($filename, \ZipArchive::CREATE);
          foreach($files as $k => $file) {
              $a = getimagesize($file);
              $image_type = $a[2];
              if(in_array($image_type , [IMAGETYPE_GIF , IMAGETYPE_JPEG ,IMAGETYPE_PNG , IMAGETYPE_BMP]))
              {
                  $zip->addFile($file, StringHelper::basename($file));
              }
          }
          $zip->close();
  
          $response = Yii::$app->response;
          $response->sendFile($filename);
      }

  }