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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\Form\FormObject\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\Form\FormObject\FormObject; |
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use Romm\Formz\Form\FormObject\Service\Step\FormStepPersistence; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Extbase\Mvc\Web\Request; |
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class FormObjectSteps |
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{ |
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const METADATA_STEP_PERSISTENCE_KEY = 'core.formStepPersistence'; |
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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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* Step persistence is saved in the form metadata. |
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* |
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* It allows having essential information about the form steps whenever it |
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* is needed: submitted form values, as well as steps that were already |
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* validated. |
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* |
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* @var FormStepPersistence |
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*/ |
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protected $stepPersistence; |
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/** |
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* @param FormObject $formObject |
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*/ |
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public function __construct(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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* This function will search among the registered steps to find the one that |
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* has the same controller parameters. |
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* |
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* It is also possible not to find any step, in this case `null` is |
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* returned. |
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* |
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* @param Request $request |
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* @return Step|null |
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*/ |
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public function getCurrentStep(Request $request) |
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{ |
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$configuration = $this->formObject->getConfiguration(); |
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if (false === $configuration->hasSteps()) { |
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return null; |
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} |
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$currentStep = null; |
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foreach ($configuration->getSteps()->getEntries() as $step) { |
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$data = [ |
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$step->getPageUid() => Core::get()->getPageController()->id, |
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$step->getExtension() => $request->getControllerExtensionName(), |
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$step->getController() => $request->getControllerName(), |
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$step->getAction() => $request->getControllerActionName(), |
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]; |
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foreach ($data as $stepData => $requestData) { |
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if (false === empty($stepData) |
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&& $stepData !== $requestData |
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) { |
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continue 2; |
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} |
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} |
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if (null !== $currentStep) { |
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throw new \Exception('todo'); // @todo |
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} |
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$currentStep = $step; |
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} |
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return $currentStep; |
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} |
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/** |
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* Fetches the step persistence object for the form, which may have been |
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* stored in the form metadata. |
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* |
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* If the form object hash did change since the persistence object was saved |
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* it is "refreshed" with the new hash (some data are also deleted as they |
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* are no longer considered as valid). |
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* |
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* @return FormStepPersistence |
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*/ |
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public function getStepPersistence() |
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{ |
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// @todo check configuration has steps or fatal error |
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if (null === $this->stepPersistence) { |
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$objectHash = $this->formObject->getObjectHash(); |
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$metadata = $this->formObject->getFormMetadata()->getMetadata(); |
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if ($metadata->has(self::METADATA_STEP_PERSISTENCE_KEY)) { |
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$this->stepPersistence = $metadata->get(self::METADATA_STEP_PERSISTENCE_KEY); |
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if (false === $this->stepPersistence instanceof FormStepPersistence) { |
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unset($this->stepPersistence); |
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} elseif ($objectHash !== $this->stepPersistence->getObjectHash()) { |
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$this->stepPersistence->refreshObjectHash($objectHash); |
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} |
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} |
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if (null === $this->stepPersistence) { |
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$this->stepPersistence = GeneralUtility::makeInstance(FormStepPersistence::class, $objectHash); |
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$metadata->set(self::METADATA_STEP_PERSISTENCE_KEY, $this->stepPersistence); |
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} |
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} |
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return $this->stepPersistence; |
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} |
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} |
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romm /
formz
