sheerif · January 24, 2019 00:45 · Dec 9, 2018 · Jul 16, 2018 · Jul 16, 2018 · Jul 16, 2018
diff --git a/ImageType.php b/ImageType.php
@@ -1,19 +1,23 @@
 <?php
-namespace App\Form;
+/**
+ * Created by PhpStorm.
+ * User: ciryk
+ * Date: 9/12/18
+ * Time: 21:27
+ */
 
+namespace App\Form;
 use App\Entity\Image;
-use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\CallbackTransformer;
 use Symfony\Component\Form\Extension\Core\Type\FileType;
-use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\HttpFoundation\File\File;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
-class ImageType extends AbstractType
+class ImageType extends FileType
 {
     private $imagePath;
-
     /**
      * ImageType constructor.
      * @param $imagePath
@@ -23,37 +27,35 @@ public function __construct($imagePath)
         $this->imagePath = $imagePath;
     }
 
-
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
-        $builder
-            ->add('file', FileType::class, array(
-                'label' => 'Image (jpg/jpeg/png)',
-                'image_property' => 'file',
-                'required' => false
-            ))
-            ->add('alt', TextType::class, array(
-                'label' => 'Alt text',
-                'required' => false
-            ));
-
-        $builder->get('file')->addModelTransformer(new CallbackTransformer(
-            function($value) {
-                if (file_get_contents($this->imagePath . '/' . $value)) {
-                    return new File($this->imagePath . '/' . $value);
+        parent::buildForm($builder, $options);
+        $builder->addModelTransformer(new CallbackTransformer(
+            function(Image $image = null) {
+                if ($image instanceof Image) {
+                    return new File($this->imagePath . $image->getFile());
                 }
-                return null;
             },
-            function($value) {
-                return $value;
+            function(UploadedFile $uploadedFile = null) {
+                if ($uploadedFile instanceof UploadedFile) {
+                    $image = new Image();
+                    $image->setFile($uploadedFile);
+                    return $image;
+                }
             }
         ));
     }
 
+    public function getBlockPrefix()
+    {
+        return 'image';
+    }
+
     public function configureOptions(OptionsResolver $resolver)
     {
-        $resolver->setDefaults(array(
-            'data_class' => Image::class
-        ));
+        parent::configureOptions($resolver);
+        $resolver->setDefaults([
+            'required' => false
+        ]);
     }
 }
diff --git a/ImageUploadListener.php b/ImageUploadListener.php
@@ -2,13 +2,11 @@
 /**
  * Created by PhpStorm.
  * User: ciryk
- * Date: 11/07/18
- * Time: 23:37
+ * Date: 9/12/18
+ * Time: 21:28
  */
 
 namespace App\EventListener;
-
-
 use App\Entity\Image;
 use App\Service\FileUploader;
 use Doctrine\ORM\Event\LifecycleEventArgs;
@@ -18,7 +16,6 @@
 class ImageUploadListener
 {
     private $uploader;
-
     /**
      * ImageUploadListener constructor.
      * @param $uploader
@@ -27,27 +24,22 @@ public function __construct(FileUploader $uploader)
     {
         $this->uploader = $uploader;
     }
-
     public function prePersist(LifecycleEventArgs $args)
     {
         $entity = $args->getEntity();
         $this->uploadFile($entity);
     }
-
     public function preUpdate(PreUpdateEventArgs $args)
     {
         $entity = $args->getEntity();
         $this->uploadFile($entity);
     }
-
     private function uploadFile($entity)
     {
         if (!$entity instanceof Image) {
             return;
         }
-
         $file = $entity->getFile();
-
         if ($file instanceof UploadedFile) {
             $filename = $this->uploader->upload($file);
             $entity->setFile($filename);

diff --git a/ImageType.php b/ImageType.php
@@ -0,0 +1,59 @@
+<?php
+namespace App\Form;
+
+use App\Entity\Image;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\CallbackTransformer;
+use Symfony\Component\Form\Extension\Core\Type\FileType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\HttpFoundation\File\File;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ImageType extends AbstractType
+{
+    private $imagePath;
+
+    /**
+     * ImageType constructor.
+     * @param $imagePath
+     */
+    public function __construct($imagePath)
+    {
+        $this->imagePath = $imagePath;
+    }
+
+
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder
+            ->add('file', FileType::class, array(
+                'label' => 'Image (jpg/jpeg/png)',
+                'image_property' => 'file',
+                'required' => false
+            ))
+            ->add('alt', TextType::class, array(
+                'label' => 'Alt text',
+                'required' => false
+            ));
+
+        $builder->get('file')->addModelTransformer(new CallbackTransformer(
+            function($value) {
+                if (file_get_contents($this->imagePath . '/' . $value)) {
+                    return new File($this->imagePath . '/' . $value);
+                }
+                return null;
+            },
+            function($value) {
+                return $value;
+            }
+        ));
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults(array(
+            'data_class' => Image::class
+        ));
+    }
+}
diff --git a/ImageUploadListener → ImageUploadListener.php b/ImageUploadListener → ImageUploadListener.php
diff --git a/FileUploader.php b/FileUploader.php
@@ -0,0 +1,33 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: ciryk
+ * Date: 11/07/18
+ * Time: 19:23
+ */
+
+namespace App\Service;
+
+
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+
+class FileUploader
+{
+    private $targetDirectory;
+
+    /**
+     * FileUploader constructor.
+     * @param $targetDirectory
+     */
+    public function __construct($targetDirectory)
+    {
+        $this->targetDirectory = $targetDirectory;
+    }
+
+    public function upload(UploadedFile $file)
+    {
+        $filename = md5(uniqid()) . '.' . $file->guessExtension();
+        $file->move($this->targetDirectory, $filename);
+        return $filename;
+    }
+}
diff --git a/Image.php b/Image.php
@@ -0,0 +1,91 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: ciryk
+ * Date: 11/07/18
+ * Time: 18:56
+ */
+
+namespace App\Entity;
+
+
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Validator\Constraints as Assert;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="image")
+ */
+class Image
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     * @ORM\Column(type="integer")
+     */
+    private $id;
+
+    /**
+     * @var string $file
+     * @ORM\Column(type="string")
+     *
+     * @Assert\NotBlank(message="Please, upload an image first.")
+     * @Assert\File(mimeTypes={ "image/png", "image/jpeg", "image/jpg" })
+     */
+    private $file;
+
+    /**
+     * @ORM\Column(type="string", nullable=true)
+     */
+    private $alt;
+
+    /**
+     * @return mixed
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @param mixed $id
+     */
+    public function setId($id): void
+    {
+        $this->id = $id;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFile()
+    {
+        return $this->file;
+    }
+
+    /**
+     * @param string $file
+     */
+    public function setFile($file)
+    {
+        if ($file) {
+            $this->file = $file;
+        }
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getAlt()
+    {
+        return $this->alt;
+    }
+
+    /**
+     * @param mixed $alt
+     */
+    public function setAlt($alt)
+    {
+        $this->alt = $alt;
+    }
+}
diff --git a/ImageUploadListener b/ImageUploadListener
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: ciryk
+ * Date: 11/07/18
+ * Time: 23:37
+ */
+
+namespace App\EventListener;
+
+
+use App\Entity\Image;
+use App\Service\FileUploader;
+use Doctrine\ORM\Event\LifecycleEventArgs;
+use Doctrine\ORM\Event\PreUpdateEventArgs;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+
+class ImageUploadListener
+{
+    private $uploader;
+
+    /**
+     * ImageUploadListener constructor.
+     * @param $uploader
+     */
+    public function __construct(FileUploader $uploader)
+    {
+        $this->uploader = $uploader;
+    }
+
+    public function prePersist(LifecycleEventArgs $args)
+    {
+        $entity = $args->getEntity();
+        $this->uploadFile($entity);
+    }
+
+    public function preUpdate(PreUpdateEventArgs $args)
+    {
+        $entity = $args->getEntity();
+        $this->uploadFile($entity);
+    }
+
+    private function uploadFile($entity)
+    {
+        if (!$entity instanceof Image) {
+            return;
+        }
+
+        $file = $entity->getFile();
+
+        if ($file instanceof UploadedFile) {
+            $filename = $this->uploader->upload($file);
+            $entity->setFile($filename);
+        }
+    }
+}
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