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<?php |
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declare(strict_types=1); |
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use Psr\Http\Message\ServerRequestInterface; |
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use Usox\JsonSchemaApi\Contract\ApiMethodInterface; |
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use Usox\JsonSchemaApi\Contract\MethodProviderInterface; |
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use Usox\JsonSchemaApi\Endpoint; |
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require_once __DIR__ . '/../vendor/autoload.php'; |
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/** |
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* API Handler which actually contains the business logic |
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* |
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* @implements ApiMethodInterface< |
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* object&stdClass, |
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* array{beer_style_list: list<string>} |
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* > |
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*/ |
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final class BeerlistMethod implements ApiMethodInterface |
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{ |
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public function handle( |
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ServerRequestInterface $request, |
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stdClass $parameter |
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): array { |
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return [ |
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'beer_style_list' => [ |
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'ipa', |
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'lager', |
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'porter', |
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'stout', |
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'quadruple', |
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] |
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]; |
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} |
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public function getSchemaFile(): string |
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{ |
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return __DIR__ . '/schema/beerlist.json'; |
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} |
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} |
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// MethodProvider which performs the lookup for a certain method name |
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$methodContainer = new class () implements MethodProviderInterface { |
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/** @var array<string, ApiMethodInterface> */ |
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private array $methods; |
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public function __construct() |
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{ |
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$this->methods = [ |
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'beerlist' => new BeerlistMethod(), |
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]; |
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} |
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public function lookup(string $methodName): ?ApiMethodInterface |
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{ |
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return $this->methods[$methodName] ?? null; |
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} |
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}; |
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// Build a request instance |
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$request = Laminas\Diactoros\ServerRequestFactory::fromGlobals( |
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$_SERVER, |
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$_GET, |
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$_POST, |
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$_COOKIE, |
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$_FILES |
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); |
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// Create the endpoint and retrieve the response |
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$response = Endpoint::factory($methodContainer)->serve($request); |
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// Just boilerplate code. Any framework (like slim) will to that for you |
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$statusLine = sprintf( |
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'HTTP/%s %s %s', |
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$response->getProtocolVersion(), |
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$response->getStatusCode(), |
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$response->getReasonPhrase() |
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); |
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header($statusLine); |
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foreach ($response->getHeaders() as $name => $values) { |
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$responseHeader = sprintf( |
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'%s: %s', |
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$name, |
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$response->getHeaderLine($name) |
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); |
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header($responseHeader); |
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} |
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echo $response->getBody(); |
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