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<?php |
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namespace LAG\AdminBundle\Event\Subscriber; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use LAG\AdminBundle\Admin\ActionInterface; |
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use LAG\AdminBundle\Admin\AdminInterface; |
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use LAG\AdminBundle\Configuration\AdminConfiguration; |
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use LAG\AdminBundle\Event\Events\AdminEvent; |
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use LAG\AdminBundle\Event\Events; |
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use LAG\AdminBundle\Event\EntityEvent; |
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use LAG\AdminBundle\Event\MenuEvent; |
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use LAG\AdminBundle\Event\ViewEvent; |
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use LAG\AdminBundle\Exception\Exception; |
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use LAG\AdminBundle\Factory\ActionFactory; |
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use LAG\AdminBundle\Factory\DataProviderFactory; |
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use LAG\AdminBundle\Factory\ViewFactory; |
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use LAG\AdminBundle\LAGAdminBundle; |
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use LAG\AdminBundle\Routing\RoutingLoader; |
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use LAG\AdminBundle\Utils\StringUtils; |
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use LAG\AdminBundle\View\RedirectView; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\Form\FormInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Session\Session; |
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use Symfony\Component\HttpFoundation\Session\SessionInterface; |
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use Symfony\Component\Routing\RouterInterface; |
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use Symfony\Component\Translation\TranslatorInterface; |
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class AdminSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var ActionFactory |
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*/ |
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private $actionFactory; |
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/** |
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* @var ViewFactory |
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*/ |
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private $viewFactory; |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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private $eventDispatcher; |
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/** |
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* @var DataProviderFactory |
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*/ |
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private $dataProviderFactory; |
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/** |
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* @var Session |
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*/ |
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private $session; |
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/** |
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* @var TranslatorInterface |
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*/ |
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private $translator; |
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/** |
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* @var RouterInterface |
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*/ |
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private $router; |
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/** |
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* @return array |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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Events::HANDLE_REQUEST => 'handleRequest', |
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Events::VIEW => 'createView', |
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Events::ENTITY_LOAD => 'loadEntities', |
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Events::ENTITY_SAVE => 'saveEntity', |
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]; |
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} |
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/** |
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* AdminSubscriber constructor. |
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* |
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* @param ActionFactory $actionFactory |
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* @param ViewFactory $viewFactory |
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* @param DataProviderFactory $dataProviderFactory |
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* @param EventDispatcherInterface $eventDispatcher |
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* @param SessionInterface $session |
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* @param TranslatorInterface $translator |
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* @param RouterInterface $router |
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*/ |
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public function __construct( |
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ActionFactory $actionFactory, |
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ViewFactory $viewFactory, |
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DataProviderFactory $dataProviderFactory, |
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EventDispatcherInterface $eventDispatcher, |
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SessionInterface $session, |
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TranslatorInterface $translator, |
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RouterInterface $router |
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) { |
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$this->actionFactory = $actionFactory; |
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$this->viewFactory = $viewFactory; |
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$this->eventDispatcher = $eventDispatcher; |
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$this->dataProviderFactory = $dataProviderFactory; |
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$this->session = $session; |
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$this->translator = $translator; |
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$this->router = $router; |
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} |
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/** |
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* Define the current action according to the routing configuration. |
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* |
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* @param AdminEvent $event |
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* |
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* @throws Exception |
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*/ |
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public function handleRequest(AdminEvent $event) |
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{ |
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$actionName = $event->getRequest()->get('_action'); |
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if (null === $actionName) { |
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throw new Exception('The _action was not found in the request'); |
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} |
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$admin = $event->getAdmin(); |
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$action = $this->actionFactory->create($actionName, $admin->getName(), $admin->getConfiguration()); |
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$event->setAction($action); |
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} |
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/** |
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* Create a view using the view factory. |
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* |
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* @param ViewEvent $event |
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*/ |
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public function createView(ViewEvent $event) |
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{ |
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$admin = $event->getAdmin(); |
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$action = $admin->getAction(); |
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$menuEvent = new MenuEvent($admin->getAction()->getConfiguration()->getParameter('menus')); |
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$this->eventDispatcher->dispatch(Events::MENU, $menuEvent); |
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$formName = ''; |
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// The form name is different according to the current action |
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if ('edit' === $action->getName()) { |
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$formName = 'entity'; |
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} else if ('create' === $action->getName()) { |
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$formName = 'entity'; |
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} else if ('delete' === $action->getName()) { |
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$formName = 'delete'; |
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} |
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if ($admin->hasForm($formName) && |
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$this->shouldRedirect( |
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$action, |
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$admin->getForm($formName), |
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$event->getRequest(), |
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$admin->getConfiguration()) |
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) { |
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$url = $this->getRedirectionUrl( |
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$admin, |
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$action, |
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$admin->getConfiguration(), |
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$event->getRequest() |
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); |
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$view = new RedirectView( |
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$action->getName(), |
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$admin->getName(), |
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$action->getConfiguration(), |
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$admin->getConfiguration() |
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); |
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$view->setUrl($url); |
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} else { |
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$view = $this->viewFactory->create( |
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$event->getRequest(), |
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$action->getName(), |
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$admin->getName(), |
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$admin->getConfiguration(), |
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$action->getConfiguration(), |
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$admin->getEntities(), |
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$admin->getForms() |
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); |
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} |
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$event->setView($view); |
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} |
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/** |
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* Load entities into the event data to pass them to the Admin. |
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* |
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* @param EntityEvent $event |
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* |
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* @throws Exception |
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*/ |
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public function loadEntities(EntityEvent $event) |
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{ |
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$admin = $event->getAdmin(); |
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$configuration = $admin->getConfiguration(); |
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$actionConfiguration = $admin->getAction()->getConfiguration(); |
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$dataProvider = $this->dataProviderFactory->get($configuration->getParameter('data_provider')); |
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$strategy = $actionConfiguration->getParameter('load_strategy'); |
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$class = $configuration->getParameter('entity'); |
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if (LAGAdminBundle::LOAD_STRATEGY_NONE === $strategy) { |
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return; |
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} else if (LAGAdminBundle::LOAD_STRATEGY_MULTIPLE === $strategy) { |
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$entities = $dataProvider->getCollection($admin, $event->getFilters()); |
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$event->setEntities($entities); |
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} else if (LAGAdminBundle::LOAD_STRATEGY_UNIQUE === $strategy) { |
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$requirements = $actionConfiguration->getParameter('route_requirements'); |
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$identifier = null; |
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foreach ($requirements as $name => $requirement) { |
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if (null !== $event->getRequest()->get($name)) { |
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$identifier = $event->getRequest()->get($name); |
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break; |
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} |
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} |
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if (null === $identifier) { |
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throw new Exception('Unable to find a identifier for the class "'.$class.'"'); |
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} |
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$entity = $dataProvider->get($admin, $identifier); |
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$event->setEntities(new ArrayCollection([ |
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$entity, |
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])); |
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} |
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} |
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/** |
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* Save an entity. |
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* |
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* @param EntityEvent $event |
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*/ |
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public function saveEntity(EntityEvent $event) |
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{ |
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$admin = $event->getAdmin(); |
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$configuration = $admin->getConfiguration(); |
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// Save the entity changes using the configured data provider |
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$dataProvider = $this |
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->dataProviderFactory |
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->get($configuration->getParameter('data_provider')) |
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; |
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$dataProvider->save($admin); |
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// Inform the user that the save is successful |
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$message = $this->translateMessage('save_success', $admin->getName(), $configuration); |
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$this |
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->session |
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->getFlashBag() |
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->add('success', $message) |
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; |
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} |
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/** |
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* @param string $message |
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* @param string $adminName |
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* @param AdminConfiguration $configuration |
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* |
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* @return string |
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*/ |
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private function translateMessage(string $message, string $adminName, AdminConfiguration $configuration): string |
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{ |
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$pattern = $configuration->getParameter('translation_pattern'); |
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$message = StringUtils::getTranslationKey($pattern, $adminName, $message); |
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return $this->translator->trans($message); |
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} |
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/** |
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* Return true if a redirection view should be created. |
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* |
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* @param ActionInterface $action |
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* @param FormInterface $form |
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* @param Request $request |
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* @param AdminConfiguration $configuration |
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* |
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* @return bool |
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*/ |
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private function shouldRedirect( |
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ActionInterface $action, |
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FormInterface $form, |
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Request $request, |
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AdminConfiguration $configuration |
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) { |
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if (!$form->isSubmitted()) { |
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return false; |
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} |
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if (!$form->isValid()) { |
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return false; |
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} |
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if (!key_exists('list', $configuration->getParameter('actions'))) { |
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return false; |
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} |
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// When the create form is submitted, the user should be redirected to the edit action after saving the form |
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// data |
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if ('create' === $action->getName()) { |
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return true; |
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} |
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// When the delete form is submitted, we should redirect to the list action |
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if ('delete' === $action->getName()) { |
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return true; |
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} |
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if (!$request->get('submit_and_redirect')) { |
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return false; |
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} |
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if ('submit_and_redirect' !== $request->get('submit_and_redirect')) { |
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return false; |
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} |
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321
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return true; |
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322
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} |
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323
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324
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/** |
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325
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* Return the url where the user should be redirected to. An exception will be thrown if no url can be generated. |
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326
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* |
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327
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* @param AdminInterface $admin |
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328
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* @param ActionInterface $action |
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329
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* @param AdminConfiguration $configuration |
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330
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* @param Request $request |
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331
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* |
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332
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* @return string |
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333
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* |
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334
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* @throws Exception |
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335
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*/ |
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336
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private function getRedirectionUrl( |
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337
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AdminInterface $admin, |
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338
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ActionInterface $action, |
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339
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AdminConfiguration $configuration, |
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340
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Request $request |
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341
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): string |
|
342
|
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|
{ |
|
343
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|
View Code Duplication |
if ('edit' === $action->getName()) { |
|
|
|
|
|
|
344
|
|
|
$routeName = RoutingLoader::generateRouteName( |
|
345
|
|
|
$admin->getName(), |
|
346
|
|
|
'list', |
|
347
|
|
|
$configuration->get('routing_name_pattern') |
|
348
|
|
|
); |
|
349
|
|
|
$url = $this->router->generate($routeName); |
|
350
|
|
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|
|
351
|
|
|
return $url; |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
// When the create form is submitted, the user should be redirected to the edit action after saving the form |
|
355
|
|
|
// data |
|
356
|
|
|
if ('create' === $action->getName()) { |
|
357
|
|
|
$targetAction = 'list'; |
|
358
|
|
|
$routeParameters = []; |
|
359
|
|
|
|
|
360
|
|
|
if (!$request->get('submit_and_redirect')) { |
|
361
|
|
|
$targetAction = 'edit'; |
|
362
|
|
|
$routeParameters = [ |
|
363
|
|
|
'id' => $admin->getEntities()->first()->getId(), |
|
364
|
|
|
]; |
|
365
|
|
|
} |
|
366
|
|
|
$routeName = RoutingLoader::generateRouteName( |
|
367
|
|
|
$admin->getName(), |
|
368
|
|
|
$targetAction, |
|
369
|
|
|
$configuration->get('routing_name_pattern') |
|
370
|
|
|
); |
|
371
|
|
|
$url = $this->router->generate($routeName, $routeParameters); |
|
372
|
|
|
|
|
373
|
|
|
return $url; |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
View Code Duplication |
if ('delete' === $action->getName()) { |
|
|
|
|
|
|
377
|
|
|
$routeName = RoutingLoader::generateRouteName( |
|
378
|
|
|
$admin->getName(), |
|
379
|
|
|
'list', |
|
380
|
|
|
$configuration->get('routing_name_pattern') |
|
381
|
|
|
); |
|
382
|
|
|
$url = $this->router->generate($routeName); |
|
383
|
|
|
|
|
384
|
|
|
return $url; |
|
385
|
|
|
} |
|
386
|
|
|
|
|
387
|
|
|
throw new Exception('Unable to generate an redirection url for the current action'); |
|
388
|
|
|
} |
|
389
|
|
|
} |
|
390
|
|
|
|
Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a given class or a super-class is assigned to a property that is type hinted more strictly.
Either this assignment is in error or an instanceof check should be added for that assignment.