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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Panel; |
| 6 | |
| 7 | use Cosray\Assets\Library; |
| 8 | |
| 9 | /** |
| 10 | * The media screen's state as its URL carries it: filter kinds, search, |
| 11 | * upload date range, selected file and listing page. Every control of the |
| 12 | * screen is a link or a GET form built from it, so a reload or a shared |
| 13 | * link shows the same screen. |
| 14 | */ |
| 15 | final readonly class MediaScreen |
| 16 | { |
| 17 | /** @param list<string> $kinds */ |
| 18 | public function __construct( |
| 19 | public string $path, |
| 20 | public array $kinds = [], |
| 21 | public string $q = '', |
| 22 | public string $range = '', |
| 23 | public ?string $file = null, |
| 24 | public int $page = 1, |
| 25 | ) {} |
| 26 | |
| 27 | /** @param array<array-key, mixed> $params */ |
| 28 | public static function fromParams(string $path, array $params): self |
| 29 | { |
| 30 | $range = is_string($params['range'] ?? null) ? $params['range'] : ''; |
| 31 | $file = is_string($params['file'] ?? null) ? trim($params['file']) : ''; |
| 32 | |
| 33 | $kinds = $params['kind'] ?? ''; |
| 34 | |
| 35 | return new self( |
| 36 | path: $path, |
| 37 | // The URL carries a comma list, the rail's checkboxes an array. |
| 38 | kinds: Library::filterKinds(match (true) { |
| 39 | is_string($kinds) => $kinds, |
| 40 | is_array($kinds) => array_values(array_filter($kinds, is_string(...))), |
| 41 | default => '', |
| 42 | }), |
| 43 | q: is_string($params['q'] ?? null) ? trim($params['q']) : '', |
| 44 | range: in_array($range, Library::RANGES, true) ? $range : '', |
| 45 | file: $file !== '' ? $file : null, |
| 46 | page: max(1, (int) ($params['page'] ?? 1)), |
| 47 | ); |
| 48 | } |
| 49 | |
| 50 | public function withFile(?string $file): self |
| 51 | { |
| 52 | return new self($this->path, $this->kinds, $this->q, $this->range, $file, $this->page); |
| 53 | } |
| 54 | |
| 55 | public function filtered(): bool |
| 56 | { |
| 57 | return $this->kinds !== [] || $this->q !== '' || $this->range !== ''; |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * The screen's URL with some parts changed: `kind` takes a list, |
| 62 | * `file` null to deselect, the rest strings; `page` falls back to the |
| 63 | * first unless given. `$below` addresses a path under the screen's, such |
| 64 | * as a file's save action, with the state still in the query. |
| 65 | * |
| 66 | * @param array{kind?: list<string>, q?: string, range?: string, file?: ?string, page?: int} $changes |
| 67 | */ |
| 68 | public function url(array $changes = [], string $below = ''): string |
| 69 | { |
| 70 | $path = $below === '' ? $this->path : "{$this->path}/{$below}"; |
| 71 | $query = http_build_query($this->query($changes), encoding_type: PHP_QUERY_RFC3986); |
| 72 | |
| 73 | return $query === '' ? $path : "{$path}?{$query}"; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * The non-empty query parameters, as hidden inputs of a GET form need them. |
| 78 | * |
| 79 | * @param array{kind?: list<string>, q?: string, range?: string, file?: ?string, page?: int} $changes |
| 80 | * @return array<string, string> |
| 81 | */ |
| 82 | public function query(array $changes = []): array |
| 83 | { |
| 84 | $params = [ |
| 85 | 'kind' => implode(',', $changes['kind'] ?? $this->kinds), |
| 86 | 'q' => $changes['q'] ?? $this->q, |
| 87 | 'range' => $changes['range'] ?? $this->range, |
| 88 | 'file' => array_key_exists('file', $changes) ? (string) $changes['file'] : (string) $this->file, |
| 89 | 'page' => (string) ($changes['page'] ?? 1), |
| 90 | ]; |
| 91 | |
| 92 | if ($params['page'] === '1') { |
| 93 | $params['page'] = ''; |
| 94 | } |
| 95 | |
| 96 | return array_filter($params, static fn(string $value): bool => $value !== ''); |
| 97 | } |
| 98 | } |