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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\Step\Service; |
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use Romm\Formz\Configuration\Form\Step\Step\Step; |
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use Romm\Formz\Core\Core; |
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use Romm\Formz\Error\FormResult; |
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use Romm\Formz\Form\FormObject\FormObject; |
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use Romm\Formz\Middleware\Item\FormValidation\FormValidationMiddlewareOption; |
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use Romm\Formz\Service\Traits\SelfInstantiateTrait; |
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use Romm\Formz\Validation\Validator\Form\AbstractFormValidator; |
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use TYPO3\CMS\Core\SingletonInterface; |
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class StepMiddlewareService implements SingletonInterface |
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{ |
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use SelfInstantiateTrait; |
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const METADATA_STEP_KEY = 'core.step'; |
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/** |
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* @var FormObject |
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*/ |
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protected $formObject; |
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/** |
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* @param FormObject $formObject |
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*/ |
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public function reset(FormObject $formObject) |
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{ |
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$this->formObject = $formObject; |
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} |
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/** |
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* @param Step $step |
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* @return Step|null |
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*/ |
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public function validateStep(Step $step) |
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{ |
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/* |
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* The first step is always valid. |
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*/ |
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$firstStep = $this->formObject->getConfiguration()->getSteps()->getFirstStep(); |
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if ($step === $firstStep) { |
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\TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump(111, '111'); |
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return null; |
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} |
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/* |
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* If there is no form instance, and the request is not in the first |
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* step, obviously the user should not be there. |
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*/ |
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if (false === $this->formObject->hasForm()) { |
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\TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump(222, '222'); |
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return $firstStep; |
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} |
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/* |
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* @todo |
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*/ |
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$stepsToTest = []; |
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$stepToRedirect = $firstStep; |
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// \TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump($step, '$step??'); |
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while ($step->hasPreviousStep()) { |
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$step = $step->getPreviousStep(); |
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$stepsToTest[] = $step; |
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} |
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\TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump($stepsToTest, '$stepsToTest'); |
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foreach ($stepsToTest as $step) { |
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$result = $this->getStepValidationResult($step); |
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if ($result->hasErrors()) { |
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$stepToRedirect = $step; |
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} |
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} |
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\TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump($stepToRedirect, '$lastStepWithErrors 333'); |
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return $stepToRedirect; |
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$key = 'core.step'; |
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$metadata = $this->formObject->getFormMetadata()->getMetadata(); |
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if ($metadata->has(self::METADATA_STEP_KEY)) { |
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// @todo |
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} else { |
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$metadata->set($key, 1); |
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} |
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} |
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/** |
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* @param Step $step |
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* @return FormResult |
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*/ |
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protected function getStepValidationResult(Step $step) |
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{ |
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/** @var FormValidationMiddlewareOption $formValidationMiddlewareOptions */ |
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$formValidationMiddlewareOptions = $this->formObject |
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->getConfiguration() |
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->getPresetMiddlewares() |
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->getFormValidationMiddleware() |
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->getOptions(); |
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/** @var AbstractFormValidator $validator */ |
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$validator = Core::instantiate( |
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$formValidationMiddlewareOptions->getFormValidatorClassName(), |
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['name' => $this->formObject->getName()] |
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); |
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$validator->getDataObject()->setValidatedStep($step); |
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return $validator->validate($this->formObject->getForm()); |
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} |
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} |
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romm /
formz
This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed.
Unreachable code is most often the result of
return,dieorexitstatements that have been added for debug purposes.In the above example, the last
return falsewill never be executed, because a return statement has already been met in every possible execution path.