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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Category tree presenter 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\Presentation; |
| 21 | |
| 22 | use phpMyFAQ\Category\Tree\TreeBuilder; |
| 23 | |
| 24 | /** |
| 25 | * Presenter for admin category tree data (non-HTML). |
| 26 | * Produces entries equivalent to the legacy Category::transform additions. |
| 27 | */ |
| 28 | final class AdminCategoryTreePresenter |
| 29 | { |
| 30 | /** |
| 31 | * @param array<int, array<string, mixed>> $categoryName Map id => row |
| 32 | * @param array<int, array<int, array<string, mixed>>> $childrenMap Parent => [childId => row] |
| 33 | * @return array<int, array<string, mixed>> linear list of entries |
| 34 | */ |
| 35 | public function transform(TreeBuilder $treeBuilder, array $categoryName, array $childrenMap, int $categoryId): array |
| 36 | { |
| 37 | $entries = []; |
| 38 | |
| 39 | $category = $categoryName[$categoryId] ?? []; |
| 40 | $parentId = (int) ($category['parent_id'] ?? 0); |
| 41 | $children = $childrenMap[$categoryId] ?? []; |
| 42 | |
| 43 | if ($categoryId > 0 && $category !== []) { |
| 44 | $entry = $category; |
| 45 | $entry['level'] = $treeBuilder->computeLevel($categoryName, $categoryId); |
| 46 | $entry['children'] = array_keys($children); |
| 47 | $entry['tree'] = $treeBuilder->buildTree($categoryName, $childrenMap, $categoryId); |
| 48 | $entry['symbol'] = $this->getSymbol($childrenMap, $categoryId, $parentId); |
| 49 | $entries[] = $entry; |
| 50 | } |
| 51 | |
| 52 | foreach (array_keys($children) as $childId) { |
| 53 | $entries = array_merge($entries, $this->transform( |
| 54 | $treeBuilder, |
| 55 | $categoryName, |
| 56 | $childrenMap, |
| 57 | (int) $childId, |
| 58 | )); |
| 59 | } |
| 60 | |
| 61 | return $entries; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Returns the symbol for a category based on its position among its siblings. |
| 66 | * |
| 67 | * @param array<int, array<int, mixed>> $childrenMap |
| 68 | */ |
| 69 | private function getSymbol(array $childrenMap, int $categoryId, int $parentId): string |
| 70 | { |
| 71 | $siblings = $childrenMap[$parentId] ?? []; |
| 72 | $keys = array_keys($siblings); |
| 73 | $last = end($keys); |
| 74 | return $categoryId === $last ? 'angle' : 'medium'; |
| 75 | } |
| 76 | } |