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| 1 | +<?php |
| 2 | + |
| 3 | +/** |
| 4 | + * SPDX-License-Identifier: MIT |
| 5 | + * Copyright (c) 2017-2018 Tobias Reich |
| 6 | + * Copyright (c) 2018-2026 LycheeOrg. |
| 7 | + */ |
| 8 | + |
| 9 | +namespace App\Actions\Album; |
| 10 | + |
| 11 | +use App\Http\Resources\Models\BreadcrumbItemResource; |
| 12 | +use App\Models\Album; |
| 13 | +use App\Policies\AlbumPolicy; |
| 14 | +use App\Policies\AlbumQueryPolicy; |
| 15 | +use Illuminate\Database\Query\Builder as BaseBuilder; |
| 16 | +use Illuminate\Support\Facades\Auth; |
| 17 | +use Illuminate\Support\Facades\DB; |
| 18 | + |
| 19 | +class Breadcrumb |
| 20 | +{ |
| 21 | + public function __construct( |
| 22 | + protected readonly AlbumQueryPolicy $album_query_policy, |
| 23 | + ) { |
| 24 | + } |
| 25 | + |
| 26 | + /** |
| 27 | + * @return BreadcrumbItemResource[] |
| 28 | + */ |
| 29 | + public function do(Album $album): array |
| 30 | + { |
| 31 | + // Disable if v8 is disabled, as the breadcrumb feature is only available in v8. |
| 32 | + if (config('features.v8') === false) { |
| 33 | + return []; |
| 34 | + } |
| 35 | + |
| 36 | + $ancestors = DB::table('albums') |
| 37 | + ->join('base_albums', 'base_albums.id', '=', 'albums.id') |
| 38 | + ->where('albums._lft', '<', $album->_lft) |
| 39 | + ->where('albums._rgt', '>', $album->_rgt) |
| 40 | + ->select(['albums.id', 'base_albums.title', 'base_albums.slug']) |
| 41 | + ->orderByDesc('albums._lft') |
| 42 | + ->get(); |
| 43 | + |
| 44 | + if ($ancestors->isEmpty()) { |
| 45 | + return []; |
| 46 | + } |
| 47 | + |
| 48 | + $accessible_ids = $this->getAccessibleAncestorIds($ancestors->pluck('id')->all()); |
| 49 | + |
| 50 | + $result = []; |
| 51 | + foreach ($ancestors as $ancestor) { |
| 52 | + if (!in_array($ancestor->id, $accessible_ids, true)) { |
| 53 | + $result[] = new BreadcrumbItemResource(null, '...', null); |
| 54 | + break; |
| 55 | + } |
| 56 | + $result[] = new BreadcrumbItemResource($ancestor->id, $ancestor->title, $ancestor->slug); |
| 57 | + } |
| 58 | + |
| 59 | + return array_reverse($result); |
| 60 | + } |
| 61 | + |
| 62 | + /** |
| 63 | + * @param string[] $ancestor_ids |
| 64 | + * |
| 65 | + * @return string[] |
| 66 | + */ |
| 67 | + private function getAccessibleAncestorIds(array $ancestor_ids): array |
| 68 | + { |
| 69 | + $user = Auth::user(); |
| 70 | + |
| 71 | + if ($user?->may_administrate === true) { |
| 72 | + return $ancestor_ids; |
| 73 | + } |
| 74 | + |
| 75 | + $unlocked_album_ids = AlbumPolicy::getUnlockedAlbumIDs(); |
| 76 | + |
| 77 | + $query = DB::table('base_albums') |
| 78 | + ->whereIn('base_albums.id', $ancestor_ids) |
| 79 | + ->select('base_albums.id'); |
| 80 | + |
| 81 | + $this->album_query_policy->joinSubComputedAccessPermissions( |
| 82 | + $query, 'base_albums.id', 'left', '', false, $user |
| 83 | + ); |
| 84 | + |
| 85 | + $query->where(fn (BaseBuilder $q) => $this->album_query_policy->appendAccessibilityConditions($q, $user, $unlocked_album_ids)); |
| 86 | + |
| 87 | + return $query->pluck('id')->all(); |
| 88 | + } |
| 89 | +} |
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