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<?php |
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/* |
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* 2017 Romain CANON <[email protected]> |
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* |
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* This file is part of the TYPO3 FormZ project. |
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* It is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License, either |
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* version 3 of the License, or any later version. |
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* |
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* For the full copyright and license information, see: |
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* http://www.gnu.org/licenses/gpl-3.0.html |
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*/ |
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namespace Romm\Formz\Controller; |
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use Exception; |
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use Romm\Formz\Controller\Processor\ControllerProcessor; |
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use Romm\Formz\Core\Core; |
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use Romm\Formz\Form\FormObject\FormObject; |
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use Romm\Formz\Middleware\Processor\MiddlewareProcessor; |
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use Romm\Formz\Middleware\Request\Exception\ForwardException; |
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use Romm\Formz\Middleware\Request\Exception\RedirectException; |
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use Romm\Formz\Middleware\Request\Exception\StopPropagationException; |
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use TYPO3\CMS\Extbase\Mvc\Controller\ActionController; |
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use TYPO3\CMS\Extbase\Mvc\Exception\StopActionException; |
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use TYPO3\CMS\Extbase\Mvc\Web\Request; |
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/** |
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* This is the main form controller, it will be called between a request |
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* dispatching and a controller action. |
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* |
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* It will process the current action being called, and analyze every parameter |
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* of the method that is a form instance. For each form, all its registered |
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* middlewares will be called, allowing manipulation of the request, the form |
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* validation, and more. |
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*/ |
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class FormController extends ActionController |
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{ |
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/** |
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* @var ControllerProcessor |
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*/ |
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protected $processor; |
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/** |
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* @var Request |
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*/ |
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protected $originalRequest; |
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/** |
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* Main action used to dispatch the request properly, depending on FormZ |
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* configuration. |
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* |
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* The request is based on the previously called controller action, and is |
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* used to list which forms are handled (every argument of the action method |
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* that implements the interface `FormInterface`). |
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* |
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* Middlewares will be called for each form argument, and may modify the |
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* request, which is then dispatched again with modified data. |
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* |
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* @param Request $originalRequest |
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* @throws Exception |
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*/ |
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public function processFormAction(Request $originalRequest) |
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{ |
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$exception = null; |
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$this->originalRequest = $originalRequest; |
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try { |
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$this->invokeMiddlewares(); |
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$this->manageRequestResult(); |
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} catch (Exception $exception) { |
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} |
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if ($exception instanceof Exception) { |
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if ($exception instanceof StopPropagationException) { |
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if ($exception instanceof RedirectException) { |
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$this->redirectFromException($exception); |
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} elseif (false === $exception instanceof ForwardException) { |
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$this->forwardToReferrer(); |
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} |
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} else { |
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throw $exception; |
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} |
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} |
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$this->continueRequest(); |
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} |
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/** |
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* @param FormObject $formObject |
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*/ |
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public function formObjectErrorAction(FormObject $formObject) |
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{ |
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$this->view->assign('formObject', $formObject); |
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} |
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/** |
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* Will fetch every form argument for this request, and dispatch every |
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* middleware registered in its definition. |
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*/ |
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protected function invokeMiddlewares() |
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{ |
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foreach ($this->processor->getRequestForms() as $formObject) { |
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/** @var MiddlewareProcessor $middlewareProcessor */ |
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$middlewareProcessor = Core::instantiate(MiddlewareProcessor::class, $formObject, $this->processor); |
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$middlewareProcessor->run(); |
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} |
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} |
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/** |
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* Will check if the request result contains error; if errors are found, the |
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* request is forwarded to the referring request, with the arguments of the |
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* current request. |
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*/ |
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protected function manageRequestResult() |
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{ |
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$result = $this->processor->getRequest()->getOriginalRequestMappingResults(); |
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$this->request->setOriginalRequestMappingResults($result); |
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if ($result->hasErrors()) { |
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$this->forwardToReferrer(); |
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} |
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} |
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/** |
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* Forwards the request to the original request that led to this controller. |
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* |
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* @throws StopActionException |
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*/ |
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protected function continueRequest() |
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{ |
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$this->request->setDispatched(false); |
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$request = $this->processor->getRequest(); |
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$this->request->setPluginName($request->getPluginName()); |
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$this->request->setControllerVendorName($request->getControllerVendorName()); |
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$this->request->setControllerExtensionName($request->getControllerExtensionName()); |
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$this->request->setControllerName($request->getControllerName()); |
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$this->request->setControllerActionName($request->getControllerActionName()); |
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$this->request->setArguments($this->processor->getRequest()->getArguments()); |
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throw new StopActionException; |
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} |
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/** |
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* Forwards to the referrer request. It will also fill the arguments of the |
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* action with the ones from the source request. |
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* |
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* @throws StopActionException |
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*/ |
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protected function forwardToReferrer() |
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{ |
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$referringRequest = $this->originalRequest->getReferringRequest(); |
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if ($referringRequest) { |
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$this->request->setDispatched(false); |
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$this->request->setOriginalRequest($this->originalRequest); |
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$this->request->setControllerVendorName($referringRequest->getControllerVendorName()); |
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$this->request->setControllerExtensionName($referringRequest->getControllerExtensionName()); |
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$this->request->setControllerName($referringRequest->getControllerName()); |
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$this->request->setControllerActionName($referringRequest->getControllerActionName()); |
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$this->request->setArguments($this->processor->getRequest()->getArguments()); |
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} else { |
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// @todo ? |
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} |
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throw new StopActionException; |
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} |
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/** |
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* If an exception of type `RedirectException` was thrown, the request is |
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* forwarded, using the arguments sent to the exception. |
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* |
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* @param RedirectException $redirectException |
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*/ |
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protected function redirectFromException(RedirectException $redirectException) |
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{ |
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$this->uriBuilder->setRequest($this->processor->getRequest()); |
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$this->redirect( |
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$redirectException->getActionName(), |
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$redirectException->getControllerName(), |
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$redirectException->getExtensionName(), |
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$redirectException->getArguments(), |
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$redirectException->getPageUid(), |
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$redirectException->getDelay(), |
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$redirectException->getStatusCode() |
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); |
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} |
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/** |
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* @param ControllerProcessor $processor |
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*/ |
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public function injectProcessor(ControllerProcessor $processor) |
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{ |
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$this->processor = $processor; |
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} |
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} |
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romm /
formz
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