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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * The Tags Controller for the REST API |
| 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 2023-2026 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 2023-07-29 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Controller\Api; |
| 21 | |
| 22 | use OpenApi\Attributes as OA; |
| 23 | use phpMyFAQ\Tags; |
| 24 | use phpMyFAQ\User\CurrentUser; |
| 25 | use Symfony\Component\HttpFoundation\JsonResponse; |
| 26 | use Symfony\Component\HttpFoundation\Request; |
| 27 | use Symfony\Component\Routing\Attribute\Route; |
| 28 | |
| 29 | final class TagController extends AbstractApiController |
| 30 | { |
| 31 | public function __construct( |
| 32 | private readonly Tags $tags, |
| 33 | ) { |
| 34 | parent::__construct(); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * @throws \Exception |
| 39 | */ |
| 40 | #[OA\Get( |
| 41 | path: '/api/v4.0/tags', |
| 42 | operationId: 'getTags', |
| 43 | description: 'Returns paginated tags.', |
| 44 | tags: ['Public Endpoints'], |
| 45 | )] |
| 46 | #[OA\Parameter( |
| 47 | name: 'page', |
| 48 | description: 'Page number for pagination (page-based)', |
| 49 | in: 'query', |
| 50 | required: false, |
| 51 | schema: new OA\Schema(type: 'integer', default: 1), |
| 52 | )] |
| 53 | #[OA\Parameter( |
| 54 | name: 'per_page', |
| 55 | description: 'Items per page (page-based, max 100)', |
| 56 | in: 'query', |
| 57 | required: false, |
| 58 | schema: new OA\Schema(type: 'integer', default: 25), |
| 59 | )] |
| 60 | #[OA\Parameter( |
| 61 | name: 'limit', |
| 62 | description: 'Number of items to return (offset-based, max 100)', |
| 63 | in: 'query', |
| 64 | required: false, |
| 65 | schema: new OA\Schema(type: 'integer', default: 25), |
| 66 | )] |
| 67 | #[OA\Parameter( |
| 68 | name: 'offset', |
| 69 | description: 'Starting offset (offset-based)', |
| 70 | in: 'query', |
| 71 | required: false, |
| 72 | schema: new OA\Schema(type: 'integer', default: 0), |
| 73 | )] |
| 74 | #[OA\Parameter( |
| 75 | name: 'sort', |
| 76 | description: 'Field to sort by', |
| 77 | in: 'query', |
| 78 | required: false, |
| 79 | schema: new OA\Schema(type: 'string', default: 'tagFrequency', enum: ['tagId', 'tagName', 'tagFrequency']), |
| 80 | )] |
| 81 | #[OA\Parameter( |
| 82 | name: 'order', |
| 83 | description: 'Sort direction', |
| 84 | in: 'query', |
| 85 | required: false, |
| 86 | schema: new OA\Schema(type: 'string', default: 'desc', enum: ['asc', 'desc']), |
| 87 | )] |
| 88 | #[OA\Response(response: 200, description: 'Returns paginated tags.', content: new OA\JsonContent(example: [ |
| 89 | 'success' => true, |
| 90 | 'data' => [ |
| 91 | ['tagId' => 4, 'tagName' => 'phpMyFAQ', 'tagFrequency' => 3], |
| 92 | ['tagId' => 1, 'tagName' => 'PHP 8', 'tagFrequency' => 2], |
| 93 | ], |
| 94 | 'meta' => [ |
| 95 | 'pagination' => [ |
| 96 | 'total' => 50, |
| 97 | 'count' => 25, |
| 98 | 'per_page' => 25, |
| 99 | 'current_page' => 1, |
| 100 | 'total_pages' => 2, |
| 101 | 'links' => [ |
| 102 | 'first' => '/api/v4.0/tags?page=1&per_page=25', |
| 103 | 'last' => '/api/v4.0/tags?page=2&per_page=25', |
| 104 | 'prev' => null, |
| 105 | 'next' => '/api/v4.0/tags?page=2&per_page=25', |
| 106 | ], |
| 107 | ], |
| 108 | 'sorting' => [ |
| 109 | 'field' => 'tagFrequency', |
| 110 | 'order' => 'desc', |
| 111 | ], |
| 112 | ], |
| 113 | ]))] |
| 114 | #[Route(path: 'v4.0/tags', name: 'api.tags.list', methods: ['GET'])] |
| 115 | public function list(?Request $request = null): JsonResponse |
| 116 | { |
| 117 | $request ??= Request::createFromGlobals(); |
| 118 | |
| 119 | [$currentUser, $currentGroups] = CurrentUser::getCurrentUserGroupId($this->currentUser); |
| 120 | $this->tags->setUser($currentUser); |
| 121 | $this->tags->setGroups($currentGroups); |
| 122 | |
| 123 | // Get pagination and sorting parameters |
| 124 | $pagination = $this->getPaginationRequest($request); |
| 125 | $sort = $this->getSortRequest( |
| 126 | $request, |
| 127 | allowedFields: ['tagId', 'tagName', 'tagFrequency'], |
| 128 | defaultField: 'tagFrequency', |
| 129 | defaultOrder: 'desc', |
| 130 | ); |
| 131 | |
| 132 | // Get all tags (we'll use a high limit to get all tags) |
| 133 | $allTags = $this->tags->getPopularTagsAsArray(limit: 1000); |
| 134 | $total = is_countable($allTags) ? count($allTags) : 0; |
| 135 | |
| 136 | // Apply sorting if needed |
| 137 | if ($sort->getField()) { |
| 138 | usort($allTags, static function ($a, $b) use ($sort) { |
| 139 | $field = (string) $sort->getField(); |
| 140 | $aVal = $a[$field] ?? ''; |
| 141 | $bVal = $b[$field] ?? ''; |
| 142 | $result = $aVal <=> $bVal; |
| 143 | return $sort->getOrderSql() === 'DESC' ? -$result : $result; |
| 144 | }); |
| 145 | } |
| 146 | |
| 147 | // Apply pagination |
| 148 | $result = array_slice($allTags, $pagination->offset, $pagination->limit); |
| 149 | |
| 150 | return $this->paginatedResponse( |
| 151 | $request, |
| 152 | data: array_values($result), |
| 153 | total: $total, |
| 154 | pagination: $pagination, |
| 155 | options: new PaginatedResponseOptions(sort: $sort), |
| 156 | ); |
| 157 | } |
| 158 | } |