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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Rest\ServerBundle\Controller; |
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use Innmind\Rest\ServerBundle\{ |
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Routing\RouteFactory, |
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Exception\InvalidArgumentException |
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}; |
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use Innmind\Rest\Server\{ |
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Definition\Directory, |
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Action |
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}; |
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use Innmind\Http\{ |
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Message\ServerRequestInterface, |
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Message\ResponseInterface, |
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Message\Response, |
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Message\StatusCode, |
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Message\ReasonPhrase, |
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Header\HeaderInterface, |
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Header\LinkValue, |
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Header\Link, |
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Header\ParameterInterface, |
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Header\HeaderValueInterface, |
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Headers |
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}; |
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use Innmind\Url\Url; |
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use Innmind\Filesystem\Stream\StringStream; |
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use Innmind\Immutable\{ |
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Map, |
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Set, |
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MapInterface |
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}; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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final class CapabilitiesController |
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{ |
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private $directories; |
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private $routeFactory; |
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private $generator; |
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public function __construct( |
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MapInterface $directories, |
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RouteFactory $routeFactory, |
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UrlGeneratorInterface $generator |
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) { |
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if ( |
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(string) $directories->keyType() !== 'string' || |
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(string) $directories->valueType() !== Directory::class |
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) { |
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throw new InvalidArgumentException; |
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} |
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$this->directories = $directories; |
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$this->routeFactory = $routeFactory; |
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$this->generator = $generator; |
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} |
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public function capabilitiesAction(ServerRequestInterface $request): ResponseInterface |
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{ |
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$links = $this |
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->directories |
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->reduce( |
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[], |
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function(array $carry, string $name, Directory $directory) { |
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return array_merge( |
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$carry, |
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$directory |
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->flatten() |
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->reduce( |
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[], |
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function(array $carry, string $name) { |
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$carry[$name] = $this->generator->generate( |
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$this |
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->routeFactory |
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->makeRoute( |
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$name, |
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new Action(Action::OPTIONS) |
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) |
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->getPath() |
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); |
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return $carry; |
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} |
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) |
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); |
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} |
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); |
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$set = new Set(HeaderValueInterface::class); |
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foreach ($links as $name => $link) { |
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$set = $set->add(new LinkValue( |
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Url::fromString($link), |
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$name, |
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new Map('string', ParameterInterface::class) |
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)); |
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} |
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return new Response( |
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$code = new StatusCode(StatusCode::codes()->get('OK')), |
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new ReasonPhrase(ReasonPhrase::defaults()->get($code->value())), |
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$request->protocolVersion(), |
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new Headers( |
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(new Map('string', HeaderInterface::class)) |
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->put( |
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'Link', |
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new Link($set) |
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) |
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), |
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new StringStream('') |
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); |
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} |
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} |
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Innmind /
RestServerBundle
