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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace LambdaTwelve\OneRecord\Api; |
| 6 | |
| 7 | use LambdaTwelve\OneRecord\JsonLd\Nodes; |
| 8 | use LambdaTwelve\OneRecord\Rdf\Iri; |
| 9 | |
| 10 | /** |
| 11 | * api:Collection: how a list of logistics events is returned. The spec's |
| 12 | * JSON-LD rule applies: no hasItem for an empty list, a single object for one |
| 13 | * item, an array for several. |
| 14 | */ |
| 15 | final class Collection |
| 16 | { |
| 17 | private function __construct() {} |
| 18 | |
| 19 | /** |
| 20 | * @param list<array<string, mixed>> $items compacted nodes without @context |
| 21 | * @return array<string, mixed> |
| 22 | */ |
| 23 | public static function write(Iri $id, array $items): array |
| 24 | { |
| 25 | $node = ['@context' => Nodes::context(), '@id' => $id->value, '@type' => 'api:Collection', 'api:hasTotalItems' => \count($items)]; |
| 26 | if (\count($items) === 1) { |
| 27 | $node['api:hasItem'] = $items[0]; |
| 28 | } elseif ($items !== []) { |
| 29 | $node['api:hasItem'] = $items; |
| 30 | } |
| 31 | |
| 32 | return $node; |
| 33 | } |
| 34 | } |