Sonata\DoctrineORMAdminBundle\Filter\ModelFilter

Complexity

Total Complexity

20

Size/Duplication

Total Lines	141
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes	2
Bugs	1	Features	0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	getDefaultOptions()	0	11	1
A	getRenderSettings()	0	10	1
B	filter()	0	16	7
B	handleMultiple()	0	30	5
A	association()	0	19	2
A	getParentAlias()	0	16	4

<?php

/*
 * This file is part of the Sonata Project package.
 *
 * (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Sonata\DoctrineORMAdminBundle\Filter;

use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping\ClassMetadataInfo;
use Doctrine\ORM\QueryBuilder;
use Sonata\AdminBundle\Datagrid\ProxyQueryInterface;
use Sonata\CoreBundle\Form\Type\EqualType;

class ModelFilter extends Filter
{
    /**
     * {@inheritdoc}
     */
    public function filter(ProxyQueryInterface $queryBuilder, $alias, $field, $data)
    {
        if (!$data || !is_array($data) || !array_key_exists('value', $data) || empty($data['value'])) {
            return;
        }

        if ($data['value'] instanceof Collection) {
            $data['value'] = $data['value']->toArray();
        }

        if (!is_array($data['value'])) {
            $data['value'] = array($data['value']);
        }

        $this->handleMultiple($queryBuilder, $alias, $data);
    }

    /**
     * {@inheritdoc}
     */
    public function getDefaultOptions()
    {
        return array(
            'mapping_type' => false,
            'field_name' => false,
            'field_type' => 'Symfony\Bridge\Doctrine\Form\Type\EntityType',
            'field_options' => array(),
            'operator_type' => 'Sonata\CoreBundle\Form\Type\EqualType',
            'operator_options' => array(),
        );
    }

    /**
     * {@inheritdoc}
     */
    public function getRenderSettings()
    {
        return array('Sonata\AdminBundle\Form\Type\Filter\DefaultType', array(
            'field_type' => $this->getFieldType(),
            'field_options' => $this->getFieldOptions(),
            'operator_type' => $this->getOption('operator_type'),
            'operator_options' => $this->getOption('operator_options'),
            'label' => $this->getLabel(),
        ));
    }

    /**
     * For the record, the $alias value is provided by the association method (and the entity join method)
     *  so the field value is not used here.
     *
     * @param ProxyQueryInterface|QueryBuilder $queryBuilder
     * @param string                           $alias
     * @param mixed                            $data
     *
     * @return mixed
     */
    protected function handleMultiple(ProxyQueryInterface $queryBuilder, $alias, $data)
    {
        if (count($data['value']) == 0) {
            return;
        }

        $parameterName = $this->getNewParameterName($queryBuilder);

        if (isset($data['type']) && $data['type'] == EqualType::TYPE_IS_NOT_EQUAL) {
            $or = $queryBuilder->expr()->orX();

            $or->add($queryBuilder->expr()->notIn($alias, ':'.$parameterName));

            if ($this->getOption('mapping_type') === ClassMetadataInfo::MANY_TO_MANY) {
                $or->add(
                    sprintf('%s.%s IS EMPTY', $this->getParentAlias($queryBuilder, $alias), $this->getFieldName())
                );
            } else {
                $or->add($queryBuilder->expr()->isNull(
                    sprintf('IDENTITY(%s.%s)', $this->getParentAlias($queryBuilder, $alias), $this->getFieldName())
                ));
            }

            $this->applyWhere($queryBuilder, $or);
        } else {
            $this->applyWhere($queryBuilder, $queryBuilder->expr()->in($alias, ':'.$parameterName));
        }

        $queryBuilder->setParameter($parameterName, $data['value']);
    }

    /**
     * {@inheritdoc}
     */
    protected function association(ProxyQueryInterface $queryBuilder, $data)
    {
        $types = array(
            ClassMetadataInfo::ONE_TO_ONE,
            ClassMetadataInfo::ONE_TO_MANY,
            ClassMetadataInfo::MANY_TO_MANY,
            ClassMetadataInfo::MANY_TO_ONE,
        );

        if (!in_array($this->getOption('mapping_type'), $types)) {
            throw new \RuntimeException('Invalid mapping type');
        }

        $associationMappings = $this->getParentAssociationMappings();
        $associationMappings[] = $this->getAssociationMapping();
        $alias = $queryBuilder->entityJoin($associationMappings);

        return array($alias, false);
    }

    /**
     * Retrieve the parent alias for given alias.
     * Root alias for direct association or entity joined alias for association depth >= 2.
     *
     * @param ProxyQueryInterface $queryBuilder
     * @param string              $alias
     *
     * @return string
     */
    private function getParentAlias(ProxyQueryInterface $queryBuilder, $alias)
    {
        $parentAlias = $rootAlias = current($queryBuilder->getRootAliases());
        $joins = $queryBuilder->getDQLPart('join');
        if (isset($joins[$rootAlias])) {
            foreach ($joins[$rootAlias] as $join) {
                if ($join->getAlias() == $alias) {
                    $parts = explode('.', $join->getJoin());
                    $parentAlias = $parts[0];
                    break;
                }
            }
        }

        return $parentAlias;
    }
}