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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Locale Detector Strategy for VuFind POST Parameter |
| 5 | * |
| 6 | * PHP version 8 |
| 7 | * |
| 8 | * Copyright (C) Villanova University 2018, |
| 9 | * Leipzig University Library <info@ub.uni-leipzig.de> 2018. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License version 2, |
| 13 | * as published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 23 | * |
| 24 | * @category VuFind |
| 25 | * @package I18n\Locale |
| 26 | * @author Demian Katz <demian.katz@villanova.edu> |
| 27 | * @author Sebastian Kehr <kehr@ub.uni-leipzig.de> |
| 28 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 29 | * @link https://vufind.org Main Site |
| 30 | */ |
| 31 | |
| 32 | namespace VuFind\I18n\Locale; |
| 33 | |
| 34 | use SlmLocale\LocaleEvent; |
| 35 | use SlmLocale\Strategy\AbstractStrategy; |
| 36 | |
| 37 | use function in_array; |
| 38 | |
| 39 | /** |
| 40 | * Locale Detector Strategy for VuFind POST Parameter |
| 41 | * |
| 42 | * @category VuFind |
| 43 | * @package I18n\Locale |
| 44 | * @author Demian Katz <demian.katz@villanova.edu> |
| 45 | * @author Sebastian Kehr <kehr@ub.uni-leipzig.de> |
| 46 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 47 | * @link https://vufind.org Main Site |
| 48 | */ |
| 49 | class LocaleDetectorParamStrategy extends AbstractStrategy |
| 50 | { |
| 51 | public const PARAM_NAME = 'mylang'; |
| 52 | |
| 53 | /** |
| 54 | * Attempt to detect the locale from a POST parameter. |
| 55 | * |
| 56 | * @param LocaleEvent $event Event |
| 57 | * |
| 58 | * @return ?string |
| 59 | */ |
| 60 | public function detect(LocaleEvent $event) |
| 61 | { |
| 62 | $request = $event->getRequest(); |
| 63 | $locale = $request->getPost(self::PARAM_NAME); |
| 64 | if (in_array($locale, $event->getSupported())) { |
| 65 | return $locale; |
| 66 | } |
| 67 | } |
| 68 | } |