EZP-29104: Implemented ImageAsset Field Type (ezsystems#246)

* EZP-29104: Implemented ImageAsset Field Type

Co-authored-by: Dawid Parafiński <dawid.parafinski@ez.no>

bundle/Resources/config/fieldtypes.yml

@@ -163,3 +163,7 @@ services:
             - { name: ez.fieldFormMapper.value, fieldType: ezemail }
         calls:
             - [setFormType, ['Symfony\Component\Form\Extension\Core\Type\EmailType']]
+
+    EzSystems\RepositoryForms\FieldType\Mapper\ImageAssetFormMapper:
+        tags:
+            - { name: ez.fieldFormMapper.value, fieldType: ezimageasset }

lib/FieldType/DataTransformer/ImageAssetValueTransformer.php

@@ -0,0 +1,63 @@
+<?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\RepositoryForms\FieldType\DataTransformer;
+
+use eZ\Publish\Core\FieldType\ImageAsset\Value;
+use Symfony\Component\Form\DataTransformerInterface;
+use Symfony\Component\Form\Exception\TransformationFailedException;
+
+class ImageAssetValueTransformer extends AbstractBinaryBaseTransformer implements DataTransformerInterface
+{
+    /**
+     * @param \eZ\Publish\Core\FieldType\ImageAsset\Value|null $value
+     *
+     * @throws \Symfony\Component\Form\Exception\TransformationFailedException
+     *
+     * @return array|null
+     */
+    public function transform($value): ?array
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        if (!$value instanceof Value) {
+            throw new TransformationFailedException(
+                sprintf('Expected a %s, got %s instead', Value::class, gettype($value))
+            );
+        }
+
+        return array_merge(
+            $this->getDefaultProperties(),
+            ['destinationContentId' => $value->destinationContentId]
+        );
+    }
+
+    /**
+     * @param array|null $value
+     *
+     * @throws \Symfony\Component\Form\Exception\TransformationFailedException
+     *
+     * @return \eZ\Publish\Core\FieldType\ImageAsset\Value|null
+     */
+    public function reverseTransform($value): ?Value
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        if (!is_array($value)) {
+            throw new TransformationFailedException(
+                sprintf('Expected a array, got %s instead', gettype($value))
+            );
+        }
+
+        return new Value($value['destinationContentId']);
+    }
+}

lib/FieldType/Mapper/ImageAssetFormMapper.php

@@ -0,0 +1,74 @@
+<?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\RepositoryForms\FieldType\Mapper;
+
+use eZ\Publish\API\Repository\FieldTypeService;
+use eZ\Publish\Core\FieldType\ImageAsset\Value;
+use EzSystems\RepositoryForms\Data\Content\FieldData;
+use EzSystems\RepositoryForms\FieldType\DataTransformer\ImageAssetValueTransformer;
+use EzSystems\RepositoryForms\FieldType\FieldValueFormMapperInterface;
+use EzSystems\RepositoryForms\Form\Type\FieldType\ImageAssetFieldType;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ImageAssetFormMapper implements FieldValueFormMapperInterface
+{
+    /** @var \eZ\Publish\API\Repository\FieldTypeService */
+    private $fieldTypeService;
+
+    /**
+     * @param \eZ\Publish\API\Repository\FieldTypeService $fieldTypeService
+     */
+    public function __construct(FieldTypeService $fieldTypeService)
+    {
+        $this->fieldTypeService = $fieldTypeService;
+    }
+
+    /**
+     * @param \Symfony\Component\Form\FormInterface $fieldForm
+     * @param \EzSystems\RepositoryForms\Data\Content\FieldData $data
+     */
+    public function mapFieldValueForm(FormInterface $fieldForm, FieldData $data): void
+    {
+        $fieldDefinition = $data->fieldDefinition;
+        $formConfig = $fieldForm->getConfig();
+        $names = $fieldDefinition->getNames();
+        $fieldType = $this->fieldTypeService->getFieldType($fieldDefinition->fieldTypeIdentifier);
+        $label = $fieldDefinition->getName($formConfig->getOption('mainLanguageCode')) ?: reset($names);
+
+        $fieldForm
+            ->add(
+                $formConfig->getFormFactory()->createBuilder()
+                    ->create(
+                        'value',
+                        ImageAssetFieldType::class,
+                        [
+                            'required' => $fieldDefinition->isRequired,
+                            'label' => $label,
+                        ]
+                    )
+                    ->addModelTransformer(new ImageAssetValueTransformer($fieldType, $data->value, Value::class))
+                    ->setAutoInitialize(false)
+                    ->getForm()
+            );
+    }
+
+    /**
+     * Fake method to set the translation domain for the extractor.
+     *
+     * @param OptionsResolver $resolver
+     */
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver
+            ->setDefaults([
+                'translation_domain' => 'ezrepoforms_content_type',
+            ]);
+    }
+}

lib/Form/Type/FieldType/ImageAssetFieldType.php

@@ -0,0 +1,131 @@
+<?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\RepositoryForms\Form\Type\FieldType;
+
+use eZ\Publish\API\Repository\ContentService;
+use eZ\Publish\API\Repository\Exceptions\NotFoundException;
+use eZ\Publish\API\Repository\Exceptions\UnauthorizedException;
+use eZ\Publish\Core\FieldType\ImageAsset\AssetMapper;
+use EzSystems\RepositoryForms\ConfigResolver\MaxUploadSize;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\Extension\Core\Type\FileType;
+use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\FormView;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints as Assert;
+
+class ImageAssetFieldType extends AbstractType
+{
+    /** @var \eZ\Publish\API\Repository\ContentService */
+    private $contentService;
+
+    /** @var \eZ\Publish\Core\FieldType\ImageAsset\AssetMapper */
+    private $assetMapper;
+
+    /** @var \EzSystems\RepositoryForms\ConfigResolver\MaxUploadSize */
+    private $maxUploadSize;
+
+    /**
+     * @param \eZ\Publish\API\Repository\ContentService $contentService
+     * @param \eZ\Publish\Core\FieldType\ImageAsset\AssetMapper $mapper
+     * @param \EzSystems\RepositoryForms\ConfigResolver\MaxUploadSize $maxUploadSize
+     */
+    public function __construct(ContentService $contentService, AssetMapper $mapper, MaxUploadSize $maxUploadSize)
+    {
+        $this->contentService = $contentService;
+        $this->maxUploadSize = $maxUploadSize;
+        $this->assetMapper = $mapper;
+    }
+
+    public function getName()
+    {
+        return $this->getBlockPrefix();
+    }
+
+    public function getBlockPrefix()
+    {
+        return 'ezplatform_fieldtype_ezimageasset';
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder
+            ->add('destinationContentId', HiddenType::class)
+            ->add(
+                'remove',
+                CheckboxType::class,
+                [
+                    'label' => /** @Desc("Remove") */ 'content.field_type.binary_base.remove',
+                    'mapped' => false,
+                ]
+            )
+            ->add(
+                'file',
+                FileType::class,
+                [
+                    'label' => /** @Desc("File") */ 'content.field_type.binary_base.file',
+                    'required' => $options['required'],
+                    'constraints' => [
+                        new Assert\File([
+                            'maxSize' => $this->getMaxFileSize(),
+                        ]),
+                    ],
+                    'mapped' => false,
+                ]
+            );
+    }
+
+    public function buildView(FormView $view, FormInterface $form, array $options)
+    {
+        $view->vars['destination_content'] = null;
+
+        if ($view->vars['value']['destinationContentId']) {
+            try {
+                $content = $this->contentService->loadContent(
+                    $view->vars['value']['destinationContentId']
+                );
+
+                if (!$content->contentInfo->isTrashed()) {
+                    $view->vars['destination_content'] = $content;
+                }
+            } catch (NotFoundException | UnauthorizedException $exception) {
+            }
+        }
+
+        $view->vars['max_file_size'] = $this->getMaxFileSize();
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'translation_domain' => 'ezrepoforms_fieldtype',
+        ]);
+    }
+
+    /**
+     * Returns max size of uploaded file in bytes.
+     *
+     * @return int
+     */
+    private function getMaxFileSize(): int
+    {
+        $validatorConfiguration = $this->assetMapper
+            ->getAssetFieldDefinition()
+            ->getValidatorConfiguration();
+
+        $maxFileSize = $validatorConfiguration['FileSizeValidator']['maxFileSize'];
+        if ($maxFileSize > 0) {
+            return min($maxFileSize * 1024 * 1024, $this->maxUploadSize->get());
+        }
+
+        return $this->maxUploadSize->get();
+    }
+}