Render ManyToMany localizable Akeneo attributes on PDP

Layout/Block/Type/AttributeGroupType.php

@@ -0,0 +1,126 @@
+<?php
+
+namespace Oro\Bundle\AkeneoBundle\Layout\Block\Type;
+
+use Oro\Bundle\EntityConfigBundle\Attribute\Entity\AttributeFamily;
+use Oro\Bundle\EntityConfigBundle\Layout\AttributeRenderRegistry;
+use Oro\Bundle\EntityConfigBundle\Layout\Mapper\AttributeBlockTypeMapperInterface;
+use Oro\Bundle\EntityConfigBundle\Manager\AttributeManager;
+use Oro\Bundle\EntityExtendBundle\Extend\RelationType;
+use Oro\Bundle\LocaleBundle\Entity\LocalizedFallbackValue;
+use Oro\Component\Layout\Block\OptionsResolver\OptionsResolver;
+use Oro\Component\Layout\Block\Type\AbstractContainerType;
+use Oro\Component\Layout\Block\Type\Options;
+use Oro\Component\Layout\BlockBuilderInterface;
+use Oro\Component\Layout\BlockInterface;
+use Oro\Component\Layout\BlockView;
+
+/**
+ * Layout block type representing group of Akeneo localizable attributes.
+ */
+class AttributeGroupType extends AbstractContainerType
+{
+    /** @var AttributeRenderRegistry */
+    private $attributeRenderRegistry;
+
+    /** @var AttributeBlockTypeMapperInterface */
+    private $blockTypeMapper;
+
+    /** @var AttributeManager */
+    private $attributeManager;
+
+    /** @var AbstractContainerType */
+    private $abstractContainerType;
+
+    public function __construct(
+        AttributeRenderRegistry $attributeRenderRegistry,
+        AttributeManager $attributeManager,
+        AttributeBlockTypeMapperInterface $blockTypeMapper,
+        AbstractContainerType $abstractContainerType
+    ) {
+        $this->attributeRenderRegistry = $attributeRenderRegistry;
+        $this->attributeManager = $attributeManager;
+        $this->blockTypeMapper = $blockTypeMapper;
+        $this->abstractContainerType = $abstractContainerType;
+    }
+
+    public function buildBlock(BlockBuilderInterface $builder, Options $options)
+    {
+        $this->abstractContainerType->buildBlock($builder, $options);
+
+        /** @var AttributeFamily $attributeFamily */
+        $attributeFamily = $options['attribute_family'];
+        $code = $options['group'];
+        $entityValue = $options->get('entity', false);
+        $attributeGroup = $attributeFamily->getAttributeGroup($code);
+
+        if (null === $attributeGroup) {
+            return;
+        }
+
+        $excludeFromRest = $options['exclude_from_rest'];
+
+        $options['visible'] = $attributeGroup->getIsVisible();
+
+        if ($excludeFromRest) {
+            $this->attributeRenderRegistry->setGroupRendered($attributeFamily, $attributeGroup);
+        }
+
+        $layoutManipulator = $builder->getLayoutManipulator();
+        $attributeGroupBlockId = $builder->getId();
+        $attributes = $this->attributeManager->getAttributesByGroup($attributeGroup);
+        foreach ($attributes as $attribute) {
+            if ($this->attributeRenderRegistry->isAttributeRendered($attributeFamily, $attribute->getFieldName())) {
+                continue;
+            }
+
+            if ($attribute->getType() !== RelationType::MANY_TO_MANY) {
+                continue;
+            }
+
+            if (($attribute->toArray('extend')['target_entity'] ?? null) !== LocalizedFallbackValue::class) {
+                continue;
+            }
+
+            if (($attribute->toArray('importexport')['source'] ?? null) !== 'akeneo') {
+                continue;
+            }
+
+            $fieldName = $attribute->getFieldName();
+            $blockType = $this->blockTypeMapper->getBlockType($attribute);
+            $layoutManipulator->add(
+                $this->getAttributeBlockName($fieldName, $blockType, $attributeGroupBlockId),
+                $attributeGroupBlockId,
+                $blockType,
+                array_merge(
+                    [
+                        'entity' => $entityValue,
+                        'fieldName' => $attribute->getFieldName(),
+                        'className' => $attribute->getEntity()->getClassName(),
+                    ],
+                    $options['attribute_options']->toArray()
+                )
+            );
+        }
+    }
+
+    public function buildView(BlockView $view, BlockInterface $block, Options $options)
+    {
+        $this->abstractContainerType->buildView($view, $block, $options);
+    }
+
+    private function getAttributeBlockName($field_name, $blockType, $attributeGroupBlockId)
+    {
+        return sprintf('%s_%s_%s', $attributeGroupBlockId, $blockType, $field_name);
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $this->abstractContainerType->configureOptions($resolver);
+    }
+
+    public function getName()
+    {
+        return $this->abstractContainerType->getName();
+    }
+}

Resources/config/services.yml

@@ -182,6 +182,18 @@ services:
       - '@oro_akeneo.layout.data_provider.file_applications.inner'
       - '@oro_entity_config.provider.attribute'
 
+  oro_akeneo.layout.block_type.attribute_group:
+    class: 'Oro\Bundle\AkeneoBundle\Layout\Block\Type\AttributeGroupType'
+    decorates: oro_entity_config.block_type.attribute_group
+    decoration_priority: -255
+    arguments:
+      - '@oro_entity_config.attribute_render_registry'
+      - '@oro_entity_config.manager.attribute_manager'
+      - '@oro_entity_config.layout.chain_attribute_block_type_mapper'
+      - '@oro_akeneo.layout.block_type.attribute_group.inner'
+    tags:
+      - { name: layout.block_type, alias: attribute_group }
+
   oro_akeneo.product_variant.type_handler.string_type_handle:
     class: 'Oro\Bundle\AkeneoBundle\ProductVariant\TypeHandler\StringTypeHandler'
     arguments: