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[Form] Add flexibility for EntityType #13990

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[Form] Add flexibility for EntityType #13990

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1e6ff3f
Allow to return null in query_builder Closure
raziel057 Mar 20, 2015
b197ada
Remove blank line before return statement
raziel057 Mar 23, 2015
f0f1b42
Add unit test
raziel057 Mar 24, 2015
d323db0
Add null as supported value for queryBuilder in docblock
raziel057 Mar 25, 2015
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12 changes: 10 additions & 2 deletions src/Symfony/Bridge/Doctrine/Form/ChoiceList/ORMQueryBuilderLoader.php
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ class ORMQueryBuilderLoader implements EntityLoaderInterface
*
* This property should only be accessed through queryBuilder.
*
* @var QueryBuilder
* @var QueryBuilder|null
*/
private $queryBuilder;

Expand Down Expand Up @@ -55,7 +55,7 @@ public function __construct($queryBuilder, $manager = null, $class = null)

$queryBuilder = $queryBuilder($manager->getRepository($class));

if (!$queryBuilder instanceof QueryBuilder) {
if (null !== $queryBuilder && !$queryBuilder instanceof QueryBuilder) {
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This one is not needed AFAIR.

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If I remove this condition, I will get the UnexpectedTypeException if the Closure returns null. So we need to let null as supported value here.

throw new UnexpectedTypeException($queryBuilder, 'Doctrine\ORM\QueryBuilder');
}
}
Expand All @@ -68,6 +68,10 @@ public function __construct($queryBuilder, $manager = null, $class = null)
*/
public function getEntities()
{
if (null === $this->queryBuilder) {
return array();
}

return $this->queryBuilder->getQuery()->execute();
}

Expand All @@ -76,6 +80,10 @@ public function getEntities()
*/
public function getEntitiesByIds($identifier, array $values)
{
if (null === $this->queryBuilder) {
return array();
}

$qb = clone ($this->queryBuilder);
$alias = current($qb->getRootAliases());
$parameter = 'ORMQueryBuilderLoader_getEntitiesByIds_'.$identifier;
Expand Down
13 changes: 13 additions & 0 deletions src/Symfony/Bridge/Doctrine/Tests/Form/Type/EntityTypeTest.php
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Expand Up @@ -196,6 +196,19 @@ public function testConfigureQueryBuilderWithClosureReturningNonQueryBuilder()

$field->submit('2');
}

public function testConfigureQueryBuilderWithClosureReturningNull()
{
$field = $this->factory->createNamed('name', 'entity', null, array(
'em' => 'default',
'class' => self::SINGLE_IDENT_CLASS,
'query_builder' => function () {
return null;
},
));

$this->assertEquals(array(), $field->createView()->vars['choices']);
}

public function testSetDataSingleNull()
{
Expand Down