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<?php |
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/* |
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* Copyright (C) 2018 |
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* Nathan Boiron <[email protected]> |
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* Romain Canon <[email protected]> |
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* |
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* This file is part of the TYPO3 NotiZ 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 CuyZ\Notiz\Core\Notification\TCA\Processor; |
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use CuyZ\Notiz\Core\Definition\DefinitionService; |
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use CuyZ\Notiz\Service\Container; |
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use CuyZ\Notiz\Service\ViewService; |
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use Exception; |
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use Throwable; |
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use TYPO3\CMS\Core\SingletonInterface; |
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use TYPO3\CMS\Core\Utility\ArrayUtility; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* This processor must be used to complete the TCA of entity notifications, for |
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* parts that require complex logic that may be failing under certain |
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* circumstances (meaning an exception can be thrown for any reason). |
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* |
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* The goal is to apply this kind of logic after the TCA tree has been generated |
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* and put in cache, because if something fails it would crash for the whole |
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* backend. |
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* |
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* Using this graceful processor, if something breaks during the execution of |
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* the child processor, the error is caught in order to prevent showing the |
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* fatal error to the user; instead, a message is displayed with some |
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* information about the exception. |
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*/ |
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abstract class GracefulProcessor implements SingletonInterface |
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{ |
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/** |
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* @var DefinitionService |
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*/ |
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protected $definitionService; |
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/** |
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* @var ViewService |
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*/ |
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private $viewService; |
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/** |
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* Manual dependency injection. |
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*/ |
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public function __construct() |
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{ |
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$this->definitionService = Container::get(DefinitionService::class); |
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$this->viewService = Container::get(ViewService::class); |
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} |
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/** |
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* @param string $tableName |
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* @throws Throwable |
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*/ |
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final public function process($tableName) |
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{ |
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if ($this->definitionService->getValidationResult()->hasErrors()) { |
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return; |
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} |
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$exception = null; |
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try { |
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$this->doProcess($tableName); |
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} catch (Throwable $exception) { |
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} catch (Exception $exception) { |
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// @PHP7 |
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} |
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if ($exception) { |
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if (GeneralUtility::_GET('showException')) { |
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throw $exception; |
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} |
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ArrayUtility::mergeRecursiveWithOverrule( |
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$GLOBALS['TCA'][$tableName], |
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$this->getDefinitionErrorTca($exception) |
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); |
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} |
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} |
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/** |
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* @param string $tableName |
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*/ |
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abstract protected function doProcess($tableName); |
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/** |
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* @param Throwable $exception |
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* @return array |
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*/ |
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private function getDefinitionErrorTca($exception) |
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{ |
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return [ |
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'types' => [ |
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'0' => [ |
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'showitem' => 'error_message', |
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], |
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], |
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'columns' => [ |
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'error_message' => [ |
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'config' => [ |
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'type' => 'user', |
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'userFunc' => static::class . '->getErrorMessage', |
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'parameters' => [ |
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'exception' => $exception, |
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] |
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], |
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], |
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], |
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]; |
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} |
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/** |
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* @param array $arguments |
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* @return string |
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*/ |
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public function getErrorMessage($arguments) |
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{ |
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$view = $this->viewService->getStandaloneView('Backend/TCA/ErrorMessage'); |
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$frameSrc = GeneralUtility::getIndpEnv('REQUEST_URI') . '&showException=1'; |
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$view->assign('frameSrc', $frameSrc); |
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$view->assign('exception', $arguments['parameters']['exception']); |
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return $view->render(); |
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} |
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} |
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CuyZ /
NotiZ
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