EZEE-3350: Added support for saving additional image data from adminUI

composer.json

@@ -5,6 +5,7 @@
     "type": "ezplatform-bundle",
     "require": {
         "php": "^7.3",
+        "ext-json": "*",
         "ezsystems/ezplatform-kernel": "^1.3@dev",
         "symfony/dependency-injection": "^5.0",
         "symfony/http-kernel": "^5.0",

src/lib/FieldType/DataTransformer/ImageValueTransformer.php

@@ -32,7 +32,10 @@ public function transform($value)
 
         return array_merge(
             $this->getDefaultProperties(),
-            ['alternativeText' => $value->alternativeText]
+            [
+                'alternativeText' => $value->alternativeText,
+                'additionalData' => $value->additionalData,
+            ]
         );
     }
 
@@ -53,6 +56,7 @@ public function reverseTransform($value)
         }
 
         $valueObject->alternativeText = $value['alternativeText'];
+        $valueObject->additionalData = $value['additionalData'];
 
         return $valueObject;
     }

src/lib/Form/Transformer/JsonToArrayTransformer.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace EzSystems\EzPlatformContentForms\Form\Transformer;
+
+use Symfony\Component\Form\DataTransformerInterface;
+use Symfony\Component\Form\Exception\TransformationFailedException;
+
+final class JsonToArrayTransformer implements DataTransformerInterface
+{
+    public function transform($value)
+    {
+        if ($value === null) {
+            return '';
+        }
+
+        try {
+            $encoded = json_encode((object) $value, JSON_THROW_ON_ERROR);
+        } catch (\JsonException $exception) {
+            throw new TransformationFailedException(
+                $exception->getMessage(),
+                $exception->getCode(),
+                $exception
+            );
+        }
+
+        return $encoded;
+    }
+
+    public function reverseTransform($value)
+    {
+        if ($value === null) {
+            return [];
+        }
+
+        try {
+            $decoded = json_decode($value, true, 512, JSON_THROW_ON_ERROR);
+        } catch (\JsonException $exception) {
+            throw new TransformationFailedException(
+                $exception->getMessage(),
+                $exception->getCode(),
+                $exception
+            );
+        }
+
+        return $decoded;
+    }
+}

src/lib/Form/Type/FieldType/ImageFieldType.php

@@ -8,6 +8,7 @@
 
 namespace EzSystems\EzPlatformContentForms\Form\Type\FieldType;
 
+use EzSystems\EzPlatformContentForms\Form\Type\JsonArrayType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -43,6 +44,10 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                     'label' => /** @Desc("Alternative text") */ 'content.field_type.ezimage.alternative_text',
                     'required' => false,
                 ]
+            )
+            ->add(
+                'additionalData',
+                JsonArrayType::class
             );
     }
 

src/lib/Form/Type/JsonArrayType.php

@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace EzSystems\EzPlatformContentForms\Form\Type;
+
+use EzSystems\EzPlatformContentForms\Form\Transformer\JsonToArrayTransformer;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\FormBuilderInterface;
+
+final class JsonArrayType extends AbstractType
+{
+    public function getParent()
+    {
+        return HiddenType::class;
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->addModelTransformer(new JsonToArrayTransformer());
+    }
+}