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<?php
namespace EasyCorp\Bundle\EasyAdminBundle\Field\Configurator;
use Doctrine\ORM\EntityRepository;
use Doctrine\ORM\PersistentCollection;
use EasyCorp\Bundle\EasyAdminBundle\Config\Action;
use EasyCorp\Bundle\EasyAdminBundle\Config\Option\EA;
use EasyCorp\Bundle\EasyAdminBundle\Config\Option\TextAlign;
use EasyCorp\Bundle\EasyAdminBundle\Context\AdminContext;
use EasyCorp\Bundle\EasyAdminBundle\Contracts\Field\FieldConfiguratorInterface;
use EasyCorp\Bundle\EasyAdminBundle\Dto\EntityDto;
use EasyCorp\Bundle\EasyAdminBundle\Dto\FieldDto;
use EasyCorp\Bundle\EasyAdminBundle\Factory\EntityFactory;
use EasyCorp\Bundle\EasyAdminBundle\Field\AssociationField;
use EasyCorp\Bundle\EasyAdminBundle\Form\Type\CrudAutocompleteType;
use EasyCorp\Bundle\EasyAdminBundle\Router\AdminUrlGenerator;
use Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException;
use Symfony\Component\PropertyAccess\PropertyAccessor;
use Symfony\Contracts\Translation\TranslatorInterface;
/**
* @author Javier Eguiluz <javier.eguiluz@gmail.com>
*/
final class AssociationConfigurator implements FieldConfiguratorInterface
{
private $entityFactory;
private $adminUrlGenerator;
private $translator;
public function __construct(EntityFactory $entityFactory, AdminUrlGenerator $adminUrlGenerator, TranslatorInterface $translator)
{
$this->entityFactory = $entityFactory;
$this->adminUrlGenerator = $adminUrlGenerator;
$this->translator = $translator;
}
public function supports(FieldDto $field, EntityDto $entityDto): bool
{
return AssociationField::class === $field->getFieldFqcn();
}
public function configure(FieldDto $field, EntityDto $entityDto, AdminContext $context): void
{
$propertyName = $field->getProperty();
if (!$entityDto->isAssociation($propertyName)) {
throw new \RuntimeException(sprintf('The "%s" field is not a Doctrine association, so it cannot be used as an association field.', $propertyName));
}
$targetEntityFqcn = $field->getDoctrineMetadata()->get('targetEntity');
// the target CRUD controller can be NULL; in that case, field value doesn't link to the related entity
$targetCrudControllerFqcn = $field->getCustomOption(AssociationField::OPTION_CRUD_CONTROLLER)
?? $context->getCrudControllers()->findCrudFqcnByEntityFqcn($targetEntityFqcn);
$field->setCustomOption(AssociationField::OPTION_CRUD_CONTROLLER, $targetCrudControllerFqcn);
if (AssociationField::WIDGET_AUTOCOMPLETE === $field->getCustomOption(AssociationField::OPTION_WIDGET)) {
$field->setFormTypeOption('attr.data-ea-widget', 'ea-autocomplete');
}
// check for embedded associations
$propertyNameParts = explode('.', $propertyName);
if (\count($propertyNameParts) > 1) {
// prepare starting class for association
$targetEntityFqcn = $entityDto->getPropertyMetadata($propertyNameParts[0])->get('targetEntity');
array_shift($propertyNameParts);
$metadata = $this->entityFactory->getEntityMetadata($targetEntityFqcn);
foreach ($propertyNameParts as $association) {
if (!$metadata->hasAssociation($association)) {
throw new \RuntimeException(sprintf('There is no association for the class "%s" with name "%s"', $targetEntityFqcn, $association));
}
// overwrite next class from association
$targetEntityFqcn = $metadata->getAssociationTargetClass($association);
// read next association metadata
$metadata = $this->entityFactory->getEntityMetadata($targetEntityFqcn);
}
$accessor = new PropertyAccessor();
$targetCrudControllerFqcn = $field->getCustomOption(AssociationField::OPTION_CRUD_CONTROLLER);
$field->setFormTypeOptionIfNotSet('class', $targetEntityFqcn);
try {
$relatedEntityId = $accessor->getValue($entityDto->getInstance(), $propertyName.'.'.$metadata->getIdentifierFieldNames()[0]);
$relatedEntityDto = $this->entityFactory->create($targetEntityFqcn, $relatedEntityId);
$field->setCustomOption(AssociationField::OPTION_RELATED_URL, $this->generateLinkToAssociatedEntity($targetCrudControllerFqcn, $relatedEntityDto));
$field->setFormattedValue($this->formatAsString($relatedEntityDto->getInstance(), $relatedEntityDto));
} catch (UnexpectedTypeException $e) {
// this may crash if something in the tree is null, so just do nothing then
}
} else {
if ($entityDto->isToOneAssociation($propertyName)) {
$this->configureToOneAssociation($field);
}
if ($entityDto->isToManyAssociation($propertyName)) {
$this->configureToManyAssociation($field);
}
}
if (true === $field->getCustomOption(AssociationField::OPTION_AUTOCOMPLETE)) {
$targetCrudControllerFqcn = $field->getCustomOption(AssociationField::OPTION_CRUD_CONTROLLER);
if (null === $targetCrudControllerFqcn) {
throw new \RuntimeException(sprintf('The "%s" field cannot be autocompleted because it doesn\'t define the related CRUD controller FQCN with the "setCrudController()" method.', $field->getProperty()));
}
$field->setFormType(CrudAutocompleteType::class);
$autocompleteEndpointUrl = $this->adminUrlGenerator
->unsetAll()
->set('page', 1) // The autocomplete should always start on the first page
->setController($field->getCustomOption(AssociationField::OPTION_CRUD_CONTROLLER))
->setAction('autocomplete')
->set(AssociationField::PARAM_AUTOCOMPLETE_CONTEXT, [
EA::CRUD_CONTROLLER_FQCN => $context->getRequest()->query->get(EA::CRUD_CONTROLLER_FQCN),
'propertyName' => $propertyName,
'originatingPage' => $context->getCrud()->getCurrentPage(),
])
->generateUrl();
$field->setFormTypeOption('attr.data-ea-autocomplete-endpoint-url', $autocompleteEndpointUrl);
} else {
$field->setFormTypeOptionIfNotSet('query_builder', static function (EntityRepository $repository) use ($field) {
// TODO: should this use `createIndexQueryBuilder` instead, so we get the default ordering etc.?
// it would then be identical to the one used in autocomplete action, but it is a bit complex getting it in here
$queryBuilder = $repository->createQueryBuilder('entity');
if ($queryBuilderCallable = $field->getCustomOption(AssociationField::OPTION_QUERY_BUILDER_CALLABLE)) {
$queryBuilderCallable($queryBuilder);
}
return $queryBuilder;
});
}
}
private function configureToOneAssociation(FieldDto $field): void
{
$field->setCustomOption(AssociationField::OPTION_DOCTRINE_ASSOCIATION_TYPE, 'toOne');
if (false === $field->getFormTypeOption('required')) {
$field->setFormTypeOptionIfNotSet('attr.placeholder', $this->translator->trans('label.form.empty_value', [], 'EasyAdminBundle'));
}
$targetEntityFqcn = $field->getDoctrineMetadata()->get('targetEntity');
$targetCrudControllerFqcn = $field->getCustomOption(AssociationField::OPTION_CRUD_CONTROLLER);
$targetEntityDto = null === $field->getValue()
? $this->entityFactory->create($targetEntityFqcn)
: $this->entityFactory->createForEntityInstance($field->getValue());
$field->setFormTypeOptionIfNotSet('class', $targetEntityDto->getFqcn());
$field->setCustomOption(AssociationField::OPTION_RELATED_URL, $this->generateLinkToAssociatedEntity($targetCrudControllerFqcn, $targetEntityDto));
$field->setFormattedValue($this->formatAsString($field->getValue(), $targetEntityDto));
}
private function configureToManyAssociation(FieldDto $field): void
{
$field->setCustomOption(AssociationField::OPTION_DOCTRINE_ASSOCIATION_TYPE, 'toMany');
// associations different from *-to-one cannot be sorted
$field->setSortable(false);
$field->setFormTypeOptionIfNotSet('multiple', true);
/* @var PersistentCollection $collection */
$field->setFormTypeOptionIfNotSet('class', $field->getDoctrineMetadata()->get('targetEntity'));
if (null === $field->getTextAlign()) {
$field->setTextAlign(TextAlign::RIGHT);
}
$field->setFormattedValue($this->countNumElements($field->getValue()));
}
private function formatAsString($entityInstance, EntityDto $entityDto): ?string
{
if (null === $entityInstance) {
return null;
}
if (method_exists($entityInstance, '__toString')) {
return (string) $entityInstance;
}
if (null !== $primaryKeyValue = $entityDto->getPrimaryKeyValue()) {
return sprintf('%s #%s', $entityDto->getName(), $primaryKeyValue);
}
return $entityDto->getName();
}
private function generateLinkToAssociatedEntity(?string $crudController, EntityDto $entityDto): ?string
{
if (null === $crudController) {
return null;
}
// TODO: check if user has permission to see the related entity
return $this->adminUrlGenerator
->setController($crudController)
->setAction(Action::DETAIL)
->setEntityId($entityDto->getPrimaryKeyValue())
->unset(EA::MENU_INDEX)
->unset(EA::SUBMENU_INDEX)
->includeReferrer()
->generateUrl();
}
private function countNumElements($collection): int
{
if (null === $collection) {
return 0;
}
if (is_countable($collection)) {
return \count($collection);
}
if ($collection instanceof \Traversable) {
return iterator_count($collection);
}
return 0;
}
}

vendor/easycorp/easyadmin-bundle/src/Field/Configurator/AssociationConfigurator.php line 125