Adding resizing and download feature

Administrator
1 parent 3ff61e27
Showing 11 changed files with 55 additions and 12 deletions Show diff stats
backend/components/croppers/AbstractCrop.php
backend/components/croppers/CropContext.php
backend/components/croppers/CropFactory.php
backend/controllers/ImageController.php
backend/models/UploadForm.php
backend/views/image/gallery.php
uploads/1900cofe290515_019.jpg
uploads/1900cofe290515_044.jpg
uploads/1900cofe290515_044new.jpg
uploads/Screenshot from 2015-09-23 10:45:34.png
uploads/petrushkaUniversalna.jpg
@@ -13,7 +13,7 @@ abstract class AbstractCrop
  
     public function crop($image, $path)
     {
-        $image->crop(new Point(static::X, static::Y), new Box(static::WIDTH, static::HEIGHT))
+        return $image->crop(new Point(static::X, static::Y), new Box(static::WIDTH, static::HEIGHT))
             ->save($path);
     }
 }
 \ No newline at end of file
@@ -15,6 +15,6 @@ class CropContext
     }
  
     public function cropImage($image, $path) {
-        $this->cropper->crop($image, $path);
+        return $this->cropper->crop($image, $path);
     }
 }
 \ No newline at end of file
@@ -31,6 +31,15 @@ class CropFactory
         return $this->crops[$crop_id];
     }
  
+    public function findMinHeight() {
+        $min = PHP_INT_MAX;
+        foreach ($this->crops as $crop) {
+            $height = $crop->getConstants()['HEIGHT'];
+            $min = $min > $height ? $height : $min;
+        }
+        return $min;
+    }
+
     public static function getInstance() {
         if (null === self::$instance) {
             self::$instance = new self();
@@ -27,12 +27,16 @@ class ImageController extends Controller
             $crop_id = $request->post('crop_id');
  
             $cropFactory = CropFactory::getInstance();
+            $minHeight = $cropFactory->findMinHeight();
             $cropContext = new CropContext($cropFactory->getCrop($crop_id));
  
             foreach($model->imageFiles as $file) {
                 $path = dirname(dirname(__DIR__)) . '/uploads/' . $file->baseName . '.' . $file->extension;
                 $image = Yii::$app->imagine->open($path);
-                $cropContext->cropImage($image, $path);
+                $image = $cropContext->cropImage($image, $path);
+                $box = $image->getSize()->heighten($minHeight);
+                $image->resize($box)
+                    ->save(dirname(dirname(__DIR__)) . '/uploads/' . $file->baseName . '-resized' . '.' . $file->extension);
             }
         }
         return $this->render('index', ['model' => $model, 'ukrSeeds' => $ukrSeeds]);
@@ -41,10 +45,18 @@ class ImageController extends Controller
     public function actionGallery()
     {
         $files = FileHelper::findFiles(dirname(dirname(__DIR__)) . '/uploads/');
-        foreach($files as $k => $file) {
-            $files[$k] = '/uploads/' . StringHelper::basename($file);
+        $images = [];
+
+        foreach($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' => $files]);
+        return $this->render('gallery', ['files' => $images]);
     }
  
     public function actionGetParams($crop_id)
@@ -61,4 +73,25 @@ class ImageController extends Controller
             return json_encode($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);
+    }
 }
 \ No newline at end of file
@@ -11,7 +11,7 @@ class UploadForm extends Model
     public function rules()
     {
         return [
-            [['imageFiles'], 'file', 'skipOnEmpty' => false, 'extensions' => 'png, jpg', 'maxFiles' => 4],
+            [['imageFiles'], 'file', 'skipOnEmpty' => false, 'extensions' => 'png, jpg', 'maxFiles' => 20],
  
         ];
     }
 <?php
  
-use \kartik\file\FileInput;
-use yii\widgets\ActiveForm;
+
 use yii\helpers\Html;
  
 /* @var $this yii\web\View */
 $this->title = 'Image gallery';
 ?>
-
+<?= Html::a('Download all', ['download-all']) ?>
+<div>
 <?php foreach ($files as $file): ?>
-<img height="500px" src="<?= Html::encode($file) ?>">
-<?php endforeach ?>
 \ No newline at end of file
+<img height="300px" src="<?= Html::encode($file) ?>">
+<?php endforeach ?>
+</div>