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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray; |
| 6 | |
| 7 | use Closure; |
| 8 | use Cosray\Exception\RuntimeException; |
| 9 | use Override; |
| 10 | |
| 11 | final class Section implements NavigationItem |
| 12 | { |
| 13 | public readonly NavMeta $meta; |
| 14 | |
| 15 | /** @var list<NavigationItem> */ |
| 16 | private array $children = []; |
| 17 | |
| 18 | private readonly ?Closure $onCollection; |
| 19 | |
| 20 | public function __construct( |
| 21 | string $label, |
| 22 | ?Closure $onCollection = null, |
| 23 | ) { |
| 24 | $label = trim($label); |
| 25 | |
| 26 | if ($label === '') { |
| 27 | throw new RuntimeException('Section labels must not be empty'); |
| 28 | } |
| 29 | |
| 30 | $this->meta = new NavMeta($label); |
| 31 | $this->onCollection = $onCollection; |
| 32 | } |
| 33 | |
| 34 | #[Override] |
| 35 | public function slug(): ?string |
| 36 | { |
| 37 | return null; |
| 38 | } |
| 39 | |
| 40 | /** @return list<NavigationItem> */ |
| 41 | #[Override] |
| 42 | public function children(): array |
| 43 | { |
| 44 | $visible = []; |
| 45 | |
| 46 | foreach ($this->children as $item) { |
| 47 | if ($item->meta->hidden) { |
| 48 | continue; |
| 49 | } |
| 50 | |
| 51 | if ($item instanceof self && $item->children() === []) { |
| 52 | continue; |
| 53 | } |
| 54 | |
| 55 | $visible[] = $item; |
| 56 | } |
| 57 | |
| 58 | return $this->sort($visible); |
| 59 | } |
| 60 | |
| 61 | public function section(string $label): self |
| 62 | { |
| 63 | $section = new self($label, $this->onCollection); |
| 64 | $this->children[] = $section; |
| 65 | |
| 66 | return $section; |
| 67 | } |
| 68 | |
| 69 | /** @param array<array-key, mixed> $args */ |
| 70 | public function icon(string $id, array $args = []): static |
| 71 | { |
| 72 | $id = trim($id); |
| 73 | |
| 74 | if ($id === '') { |
| 75 | throw new RuntimeException('Section icon ids must not be empty'); |
| 76 | } |
| 77 | |
| 78 | $this->meta->icon = [ |
| 79 | 'id' => $id, |
| 80 | 'args' => $args, |
| 81 | ]; |
| 82 | |
| 83 | return $this; |
| 84 | } |
| 85 | |
| 86 | /** @param class-string<Collection> $class */ |
| 87 | public function collection(string $class): Collection |
| 88 | { |
| 89 | if (!is_a($class, Collection::class, true)) { |
| 90 | throw new RuntimeException('Collections must extend ' . Collection::class); |
| 91 | } |
| 92 | |
| 93 | $collection = new $class(); |
| 94 | $this->children[] = $collection; |
| 95 | |
| 96 | if ($this->onCollection !== null) { |
| 97 | ($this->onCollection)($collection); |
| 98 | } |
| 99 | |
| 100 | return $collection; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * @param list<NavigationItem> $items |
| 105 | * @return list<NavigationItem> |
| 106 | */ |
| 107 | private function sort(array $items): array |
| 108 | { |
| 109 | $indexed = []; |
| 110 | |
| 111 | foreach ($items as $index => $item) { |
| 112 | $indexed[] = [ |
| 113 | 'index' => $index, |
| 114 | 'item' => $item, |
| 115 | ]; |
| 116 | } |
| 117 | |
| 118 | usort($indexed, static function (array $left, array $right): int { |
| 119 | $cmp = $left['item']->meta->order <=> $right['item']->meta->order; |
| 120 | |
| 121 | if ($cmp !== 0) { |
| 122 | return $cmp; |
| 123 | } |
| 124 | |
| 125 | return $left['index'] <=> $right['index']; |
| 126 | }); |
| 127 | |
| 128 | return array_map( |
| 129 | static fn(array $item): NavigationItem => $item['item'], |
| 130 | $indexed, |
| 131 | ); |
| 132 | } |
| 133 | } |