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<?php |
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namespace Bdf\Prime\Behaviors; |
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use Bdf\Prime\Mapper\Builder\FieldBuilder; |
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use Bdf\Prime\Repository\RepositoryEventsSubscriberInterface; |
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use Bdf\Prime\Repository\RepositoryInterface; |
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/** |
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* Versionable |
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* |
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* The versionable behavior allows you to keep an history of your model objects. |
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* |
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* @template E as object |
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* @extends Behavior<E> |
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*/ |
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class Versionable extends Behavior |
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{ |
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const COLUMN_NAME = 'version'; |
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/** |
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* The version repository className |
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* |
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* @var string |
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*/ |
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protected $versionClass; |
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/** |
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* Allow version deletion |
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* |
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* @var boolean |
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*/ |
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protected $allowDeletion; |
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/** |
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* Version table name |
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* |
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* @var string |
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*/ |
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protected $tableName; |
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/** |
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* Versionable constructor. |
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* |
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* @param string $versionClass |
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* @param bool $allowDeletion |
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*/ |
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public function __construct($versionClass, $allowDeletion = false) |
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{ |
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$this->versionClass = $versionClass; |
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$this->allowDeletion = $allowDeletion; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function changeSchema(FieldBuilder $builder): void |
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{ |
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$builder->integer(self::COLUMN_NAME, 0); |
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} |
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/** |
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* Before insert |
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* |
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* we increment version number on entity |
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* |
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* @param E $entity |
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* @param RepositoryInterface<E> $repository |
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*/ |
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public function beforeInsert($entity, $repository) |
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{ |
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$this->incrementVersion($entity, $repository); |
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} |
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/** |
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* After insert |
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* |
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* we historicize entity |
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* |
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* @param E $entity |
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* @param RepositoryInterface<E> $repository |
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* @param integer $count |
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*/ |
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public function afterInsert($entity, $repository, $count) |
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{ |
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if ($count != 0) { |
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$this->insertVersion($entity, $repository); |
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} |
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} |
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/** |
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* Before update |
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* |
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* we increment version number on entity |
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* |
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* @param E $entity |
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* @param RepositoryInterface<E> $repository |
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* @param null|\ArrayObject $attributes |
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*/ |
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public function beforeUpdate($entity, $repository, $attributes) |
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{ |
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if ($attributes !== null) { |
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$attributes[] = self::COLUMN_NAME; |
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} |
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$this->incrementVersion($entity, $repository); |
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} |
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/** |
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* After update |
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* |
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* we historicize entity |
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* |
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* @param E $entity |
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* @param RepositoryInterface<E> $repository |
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* @param integer $count |
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*/ |
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public function afterUpdate($entity, $repository, $count) |
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{ |
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if ($count != 0) { |
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$this->insertVersion($entity, $repository); |
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} |
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} |
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/** |
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* Remove entity versions |
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* |
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* @param E $entity |
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* @param RepositoryInterface<E> $repository |
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*/ |
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public function deleteAllVersions($entity, $repository) |
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{ |
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$queries = $repository->repository($this->versionClass)->queries(); |
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$criteria = $repository->mapper()->primaryCriteria($entity); |
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if ($query = $queries->keyValue($criteria)) { |
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$query->delete(); |
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} else { |
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$queries->builder()->where($criteria)->delete(); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function subscribe(RepositoryEventsSubscriberInterface $notifier): void |
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{ |
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$notifier->inserting([$this, 'beforeInsert']); |
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$notifier->inserted([$this, 'afterInsert']); |
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$notifier->updating([$this, 'beforeUpdate']); |
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$notifier->updated([$this, 'afterUpdate']); |
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if ($this->allowDeletion) { |
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$notifier->deleted([$this, 'deleteAllVersions']); |
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} |
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} |
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/** |
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* Increment version number on entity |
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* |
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* @param E $entity |
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* @param RepositoryInterface<E> $repository |
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*/ |
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protected function incrementVersion($entity, $repository) |
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{ |
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$mapper = $repository->mapper(); |
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$mapper->hydrateOne( |
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$entity, |
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self::COLUMN_NAME, |
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$mapper->extractOne($entity, self::COLUMN_NAME) + 1 |
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); |
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} |
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/** |
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* Historicize entity |
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* |
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* @param E $entity |
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* @param RepositoryInterface<E> $repository |
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*/ |
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protected function insertVersion($entity, $repository) |
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{ |
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$repository->repository($this->versionClass)->insert($entity); |
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} |
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} |
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