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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Category permission service class |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Thorsten Rinne <thorsten@phpmyfaq.de> |
| 12 | * @copyright 2025 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2025-10-18 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Category\Permission; |
| 21 | |
| 22 | final class CategoryPermissionService |
| 23 | { |
| 24 | /** |
| 25 | * Builds the permission-related WHERE clause for category listing (active categories only). |
| 26 | * |
| 27 | * @param int[] $groups |
| 28 | */ |
| 29 | public function buildWhereClause(array $groups, int $userId): string |
| 30 | { |
| 31 | return $this->buildPermissionWhereClause($groups, $userId, activeClause: 'AND fc.active = 1'); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Builds the permission-related WHERE clause for category listing (including inactive categories). |
| 36 | * |
| 37 | * @param int[] $groups |
| 38 | */ |
| 39 | public function buildWhereClauseWithInactive(array $groups, int $userId): string |
| 40 | { |
| 41 | return $this->buildPermissionWhereClause($groups, $userId, activeClause: ''); |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Internal helper to build the WHERE clause with permission logic. |
| 46 | * |
| 47 | * @param int[] $groups |
| 48 | */ |
| 49 | private function buildPermissionWhereClause(array $groups, int $userId, string $activeClause): string |
| 50 | { |
| 51 | $groupsList = $groups === [] |
| 52 | ? '-1' |
| 53 | : implode(separator: ', ', array: array_map(callback: intval(...), array: $groups)); |
| 54 | return strtr('WHERE ( fg.group_id IN ({groups}) OR (fu.user_id = {userId} AND fg.group_id IN ({groups}))) {active}', [ |
| 55 | '{groups}' => $groupsList, |
| 56 | '{userId}' => (string) $userId, |
| 57 | '{active}' => $activeClause, |
| 58 | ]); |
| 59 | } |
| 60 | } |