<?php

/*

* This file is part of the EasyAdminBundle.

*

* (c) Javier Eguiluz <[email protected]>

*

* For the full copyright and license information, please view the LICENSE

* file that was distributed with this source code.

*/

namespace JavierEguiluz\Bundle\EasyAdminBundle\Configuration;

use Doctrine\Common\Persistence\ManagerRegistry;

use Doctrine\ORM\Mapping\ClassMetadata;

use Symfony\Component\Config\Definition\Exception\InvalidTypeException;

/**

* Introspects the metadata of the Doctrine entities to complete the

* configuration of the properties.

*

* @author Javier Eguiluz <[email protected]>

*/

class MetadataConfigPass implements ConfigPassInterface

{

/** @var ManagerRegistry */

private $doctrine;

public function __construct(ManagerRegistry $doctrine)

{

$this->doctrine = $doctrine;

}

public function process(array $backendConfig)

{

foreach ($backendConfig['entities'] as $entityName => $entityConfig) {

try {

$em = $this->doctrine->getManagerForClass($entityConfig['class']);

} catch (\ReflectionException $e) {

throw new InvalidTypeException(sprintf('The configured class "%s" for the path "easy_admin.entities.%s" does not exist. Did you forget to create the entity class or to define its namespace?', $entityConfig['class'], $entityName));

}

if (null === $em) {

throw new InvalidTypeException(sprintf('The configured class "%s" for the path "easy_admin.entities.%s" is no mapped entity.', $entityConfig['class'], $entityName));

}

$entityMetadata = $em->getMetadataFactory()->getMetadataFor($entityConfig['class']);

$entityConfig['primary_key_field_name'] = $entityMetadata->getSingleIdentifierFieldName();

$entityConfig['properties'] = $this->processEntityPropertiesMetadata($entityMetadata);

$backendConfig['entities'][$entityName] = $entityConfig;

}

return $backendConfig;

}

/**

* Takes the entity metadata introspected via Doctrine and completes its

* contents to simplify data processing for the rest of the application.

*

* @param ClassMetadata $entityMetadata The entity metadata introspected via Doctrine

*

* @return array The entity properties metadata provided by Doctrine

*/

private function processEntityPropertiesMetadata(ClassMetadata $entityMetadata)

{

$entityPropertiesMetadata = array();

if ($entityMetadata->isIdentifierComposite) {

throw new \RuntimeException(sprintf("The '%s' entity isn't valid because it contains a composite primary key.", $entityMetadata->name));

}

// introspect regular entity fields

foreach ($entityMetadata->fieldMappings as $fieldName => $fieldMetadata) {

$entityPropertiesMetadata[$fieldName] = $fieldMetadata;

}

// introspect fields for entity associations

foreach ($entityMetadata->associationMappings as $fieldName => $associationMetadata) {

$entityPropertiesMetadata[$fieldName] = array_merge($associationMetadata, array(

'type' => 'association',

'associationType' => $associationMetadata['type'],

));

// associations different from *-to-one cannot be sorted

if ($associationMetadata['type'] & ClassMetadata::TO_MANY) {

$entityPropertiesMetadata[$fieldName]['sortable'] = false;

}

}

return $entityPropertiesMetadata;

}

}