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<?php |
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/* |
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* This file is part of the OrbitaleCmsBundle package. |
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* |
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* (c) Alexandre Rock Ancelet <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Orbitale\Bundle\CmsBundle\EventListener; |
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use Doctrine\Common\EventSubscriber; |
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use Doctrine\ORM\Event\LoadClassMetadataEventArgs; |
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use Doctrine\ORM\Events; |
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use Doctrine\ORM\Mapping\ClassMetadata; |
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/** |
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* This class adds automatically the ManyToOne and OneToMany relations in Page and Category entities, |
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* because it's normally impossible to do so in a mapped superclass. |
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*/ |
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class DoctrineMappingListener implements EventSubscriber |
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{ |
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/** |
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* @var string |
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*/ |
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private $pageClass; |
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/** |
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* @var string |
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*/ |
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private $categoryClass; |
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public function __construct($pageClass, $categoryClass) |
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{ |
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$this->pageClass = $pageClass; |
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$this->categoryClass = $categoryClass; |
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} |
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/** |
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* Returns an array of events this subscriber wants to listen to. |
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* |
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* @return array |
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*/ |
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public function getSubscribedEvents() |
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{ |
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return [Events::loadClassMetadata]; |
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} |
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public function loadClassMetadata(LoadClassMetadataEventArgs $eventArgs) |
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{ |
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/** @var ClassMetadata $classMetadata */ |
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$classMetadata = $eventArgs->getClassMetadata(); |
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$isPage = is_a($classMetadata->getName(), $this->pageClass, true); |
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$isCategory = is_a($classMetadata->getName(), $this->categoryClass, true); |
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if ($isPage) { |
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$this->processPageMetadata($classMetadata); |
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$this->processParent($classMetadata, $this->pageClass); |
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$this->processChildren($classMetadata, $this->pageClass); |
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} |
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if ($isCategory) { |
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$this->processCategoryMetadata($classMetadata); |
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$this->processParent($classMetadata, $this->categoryClass); |
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$this->processChildren($classMetadata, $this->categoryClass); |
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} |
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} |
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/** |
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* Declare mapping for Page entity. |
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* |
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* @param ClassMetadata $classMetadata |
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*/ |
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private function processPageMetadata(ClassMetadata $classMetadata) |
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{ |
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if (!$classMetadata->hasAssociation('category')) { |
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$classMetadata->mapManyToOne([ |
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'fieldName' => 'category', |
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'targetEntity' => $this->categoryClass, |
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'inversedBy' => 'pages', |
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]); |
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} |
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} |
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/** |
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* Declare mapping for Category entity. |
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* |
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* @param ClassMetadata $classMetadata |
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*/ |
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private function processCategoryMetadata(ClassMetadata $classMetadata) |
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{ |
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if (!$classMetadata->hasAssociation('pages')) { |
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$classMetadata->mapOneToMany([ |
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'fieldName' => 'pages', |
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'targetEntity' => $this->pageClass, |
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'mappedBy' => 'category', |
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]); |
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} |
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} |
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/** |
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* Declare self-bidirectionnal mapping for parent. |
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* |
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* @param ClassMetadata $classMetadata |
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* @param string $class |
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*/ |
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private function processParent(ClassMetadata $classMetadata, $class) |
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{ |
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if (!$classMetadata->hasAssociation('parent')) { |
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$classMetadata->mapManyToOne([ |
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'fieldName' => 'parent', |
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'targetEntity' => $class, |
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'inversedBy' => 'children', |
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]); |
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} |
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} |
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/** |
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* Declare self-bidirectionnal mapping for children |
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* |
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* @param ClassMetadata $classMetadata |
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* @param string $class |
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*/ |
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private function processChildren(ClassMetadata $classMetadata, $class) |
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{ |
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if (!$classMetadata->hasAssociation('children')) { |
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$classMetadata->mapOneToMany([ |
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'fieldName' => 'children', |
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'targetEntity' => $class, |
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'mappedBy' => 'parent', |
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]); |
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} |
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} |
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} |
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Orbitale /
CmsBundle
