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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\Middleware\Item\Begin; |
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use Romm\Formz\Form\FormInterface; |
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use Romm\Formz\Form\FormObject\FormObjectFactory; |
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use Romm\Formz\Middleware\BasicMiddlewareInterface; |
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use Romm\Formz\Middleware\Processor\MiddlewareProcessor; |
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use Romm\Formz\Middleware\Signal\After; |
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use Romm\Formz\Middleware\Signal\SignalObject; |
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final class BeginMiddleware implements BasicMiddlewareInterface |
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{ |
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/** |
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* @var MiddlewareProcessor |
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*/ |
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private $processor; |
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/** |
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* Initialization of this middleware. |
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*/ |
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public function initialize() |
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{ |
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$this->checkFormSubmission(); |
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$this->fetchCurrentStep(); |
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$this->fetchSubstepsLevel(); |
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} |
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/** |
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* This is the first middleware being called, it will send a signal to all |
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* middlewares that depend on it. |
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*/ |
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public function execute() |
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{ |
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$signalObject = new SignalObject($this->processor, BeginSignal::class, After::class); |
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$signalObject->dispatch(); |
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} |
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/** |
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* Will check if the current form was submitted by the user. If it is found, |
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* the form instance is injected in the form object. |
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*/ |
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protected function checkFormSubmission() |
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{ |
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if ($this->processor->inSingleFieldValidationContext()) { |
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/* |
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* In "single field validation context", there is no need to check |
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* for the form submission. |
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*/ |
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return; |
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} |
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$request = $this->processor->getRequest(); |
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$formObject = $this->processor->getFormObject(); |
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$formName = $formObject->getName(); |
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if ($this->requestWasSubmitted() |
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&& $this->processor->getRequestArguments()->hasArgument($formName) |
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) { |
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if (false === $request->hasArgument('formzData')) { |
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throw new \Exception('todo'); // @todo |
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} |
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$form = $this->getFormInstance(); |
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$formObject->setForm($form); |
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$formzData = $request->getArgument('formzData'); |
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$formObject->getRequestData()->fillFromHash($formzData); |
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$proxy = FormObjectFactory::get()->getProxy($form); |
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$proxy->markFormAsSubmitted(); |
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$this->injectFormHashInProxy(); |
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} |
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} |
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/** |
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* @todo |
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*/ |
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protected function fetchCurrentStep() |
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{ |
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$formObject = $this->processor->getFormObject(); |
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$request = ($formObject->formWasSubmitted()) |
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? $this->processor->getRequest()->getReferringRequest() |
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: $this->processor->getRequest(); |
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$formObject->fetchCurrentStep($request); |
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} |
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/** |
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* @todo |
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*/ |
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protected function fetchSubstepsLevel() |
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{ |
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$request = $this->processor->getRequest(); |
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if ($this->requestWasSubmitted() |
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&& $request->hasArgument('substepsLevel') |
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) { |
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$substepLevel = $request->getArgument('substepsLevel'); |
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FormObjectFactory::get() |
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->getStepService($this->processor->getFormObject()) |
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->setSubstepsLevel($substepLevel); |
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} |
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} |
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/** |
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* Fetches the form hash from the request data that has been submitted with |
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* the form, and injects it in the form proxy. |
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*/ |
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protected function injectFormHashInProxy() |
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{ |
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$formObject = $this->processor->getFormObject(); |
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$hash = $formObject->getRequestData()->getFormHash(); |
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$proxy = FormObjectFactory::get()->getProxy($formObject->getForm()); |
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$proxy->setFormHash($hash); |
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} |
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/** |
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* @return FormInterface |
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*/ |
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protected function getFormInstance() |
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{ |
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$formName = $this->processor->getFormObject()->getName(); |
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$formArray = $this->processor->getRequest()->getArgument($formName); |
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$argument = $this->processor->getRequestArguments()->getArgument($formName); |
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return $argument->setValue($formArray)->getValue(); |
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} |
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/** |
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* @param MiddlewareProcessor $middlewareProcessor |
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*/ |
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final public function bindMiddlewareProcessor(MiddlewareProcessor $middlewareProcessor) |
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{ |
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$this->processor = $middlewareProcessor; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function requestWasSubmitted() |
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{ |
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return $this->processor->getRequest()->getMethod() === 'POST'; |
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} |
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} |
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romm /
formz
