99 lines
3.2 KiB
PHP
99 lines
3.2 KiB
PHP
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<?php
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namespace WapplerSystems\Meilisearch\IndexQueue\FrontendHelper;
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/***************************************************************
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* Copyright notice
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*
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* (c) 2010-2015 Ingo Renner <ingo@typo3.org>
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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use RuntimeException;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Index Queue Page Indexer frontend helper manager.
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*
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* Manages frontend helpers and creates instances.
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*
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* @author Ingo Renner <ingo@typo3.org>
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*/
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class Manager
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{
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/**
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* Frontend helper descriptions.
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*
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* @var array
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*/
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protected static $frontendHelperRegistry = [];
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/**
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* Instances of activated frontend helpers.
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*
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* @var array
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*/
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protected $activatedFrontendHelpers = [];
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/**
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* Registers a frontend helper class for a certain action.
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*
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* @param string $action Action to register.
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* @param string $class Class to register for an action.
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*/
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public static function registerFrontendHelper($action, $class)
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{
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self::$frontendHelperRegistry[$action] = $class;
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}
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/**
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* Tries to find a frontend helper for a given action. If found, creates an
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* instance of the helper.
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*
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* @param string $action The action to get a frontend helper for.
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* @return FrontendHelper Index Queue page indexer frontend helper
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* @throws RuntimeException if the class registered for an action is not an implementation of WapplerSystems\Meilisearch\IndexQueue\FrontendHelper\FrontendHelper
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*/
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public function resolveAction($action)
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{
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if (!array_key_exists($action, self::$frontendHelperRegistry)) {
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return null;
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}
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$frontendHelper = GeneralUtility::makeInstance(self::$frontendHelperRegistry[$action]);
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if (!$frontendHelper instanceof FrontendHelper) {
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$message = self::$frontendHelperRegistry[$action] . ' is not an implementation of WapplerSystems\Meilisearch\IndexQueue\FrontendHelper\FrontendHelper';
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throw new RuntimeException($message, 1292497896);
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}
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$this->activatedFrontendHelpers[$action] = $frontendHelper;
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return $frontendHelper;
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}
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/**
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* Gets an array with references to activated frontend helpers.
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*
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* @return array Array of references to activated frontend helpers.
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*/
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public function getActivatedFrontendHelpers()
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{
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return $this->activatedFrontendHelpers;
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}
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}
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