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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Doctrine\Form;
use Doctrine\Common\Persistence\ManagerRegistry;
use Doctrine\ORM\Mapping\ClassMetadataInfo;
use Doctrine\Common\Persistence\Mapping\MappingException;
use Doctrine\ORM\Mapping\MappingException as LegacyMappingException;
use Symfony\Component\Form\FormTypeGuesserInterface;
use Symfony\Component\Form\Guess\Guess;
use Symfony\Component\Form\Guess\TypeGuess;
use Symfony\Component\Form\Guess\ValueGuess;
use Doctrine\Common\Util\ClassUtils;
class DoctrineOrmTypeGuesser implements FormTypeGuesserInterface
{
protected $registry;
private $cache = array();
public function __construct(ManagerRegistry $registry)
{
$this->registry = $registry;
}
/**
* {@inheritDoc}
*/
public function guessType($class, $property)
{
if (!$ret = $this->getMetadata($class)) {
return new TypeGuess('text', array(), Guess::LOW_CONFIDENCE);
}
list($metadata, $name) = $ret;
if ($metadata->hasAssociation($property)) {
$multiple = $metadata->isCollectionValuedAssociation($property);
$mapping = $metadata->getAssociationMapping($property);
return new TypeGuess('entity', array('em' => $name, 'class' => $mapping['targetEntity'], 'multiple' => $multiple), Guess::HIGH_CONFIDENCE);
}
switch ($metadata->getTypeOfField($property)) {
case 'array':
return new TypeGuess('collection', array(), Guess::MEDIUM_CONFIDENCE);
case 'boolean':
return new TypeGuess('checkbox', array(), Guess::HIGH_CONFIDENCE);
case 'datetime':
case 'vardatetime':
case 'datetimetz':
return new TypeGuess('datetime', array(), Guess::HIGH_CONFIDENCE);
case 'date':
return new TypeGuess('date', array(), Guess::HIGH_CONFIDENCE);
case 'time':
return new TypeGuess('time', array(), Guess::HIGH_CONFIDENCE);
case 'decimal':
case 'float':
return new TypeGuess('number', array(), Guess::MEDIUM_CONFIDENCE);
case 'integer':
case 'bigint':
case 'smallint':
return new TypeGuess('integer', array(), Guess::MEDIUM_CONFIDENCE);
case 'string':
return new TypeGuess('text', array(), Guess::MEDIUM_CONFIDENCE);
case 'text':
return new TypeGuess('textarea', array(), Guess::MEDIUM_CONFIDENCE);
default:
return new TypeGuess('text', array(), Guess::LOW_CONFIDENCE);
}
}
/**
* {@inheritDoc}
*/
public function guessRequired($class, $property)
{
$classMetadatas = $this->getMetadata($class);
if (!$classMetadatas) {
return null;
}
/** @var ClassMetadataInfo $classMetadata */
$classMetadata = $classMetadatas[0];
// Check whether the field exists and is nullable or not
if ($classMetadata->hasField($property)) {
if (!$classMetadata->isNullable($property)) {
return new ValueGuess(true, Guess::HIGH_CONFIDENCE);
}
return new ValueGuess(false, Guess::MEDIUM_CONFIDENCE);
}
// Check whether the association exists, is a to-one association and its
// join column is nullable or not
if ($classMetadata->isAssociationWithSingleJoinColumn($property)) {
$mapping = $classMetadata->getAssociationMapping($property);
if (!isset($mapping['joinColumns'][0]['nullable'])) {
// The "nullable" option defaults to true, in that case the
// field should not be required.
return new ValueGuess(false, Guess::HIGH_CONFIDENCE);
}
return new ValueGuess(!$mapping['joinColumns'][0]['nullable'], Guess::HIGH_CONFIDENCE);
}
return null;
}
/**
* {@inheritDoc}
*/
public function guessMaxLength($class, $property)
{
$ret = $this->getMetadata($class);
if ($ret && $ret[0]->hasField($property) && !$ret[0]->hasAssociation($property)) {
$mapping = $ret[0]->getFieldMapping($property);
if (isset($mapping['length'])) {
return new ValueGuess($mapping['length'], Guess::HIGH_CONFIDENCE);
}
if (in_array($ret[0]->getTypeOfField($property), array('decimal', 'float'))) {
return new ValueGuess(null, Guess::MEDIUM_CONFIDENCE);
}
}
}
/**
* {@inheritDoc}
*/
public function guessPattern($class, $property)
{
$ret = $this->getMetadata($class);
if ($ret && $ret[0]->hasField($property) && !$ret[0]->hasAssociation($property)) {
if (in_array($ret[0]->getTypeOfField($property), array('decimal', 'float'))) {
return new ValueGuess(null, Guess::MEDIUM_CONFIDENCE);
}
}
}
protected function getMetadata($class)
{
// normalize class name
$class = ClassUtils::getRealClass(ltrim($class, '\\'));
if (array_key_exists($class, $this->cache)) {
return $this->cache[$class];
}
$this->cache[$class] = null;
foreach ($this->registry->getManagers() as $name => $em) {
try {
return $this->cache[$class] = array($em->getClassMetadata($class), $name);
} catch (MappingException $e) {
// not an entity or mapped super class
} catch (LegacyMappingException $e) {
// not an entity or mapped super class, using Doctrine ORM 2.2
}
}
}
}