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<?php |
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declare(strict_types=1); |
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namespace BEAR\Resource; |
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use BEAR\Resource\Annotation\Embed; |
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use BEAR\Resource\Exception\BadRequestException; |
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use BEAR\Resource\Exception\EmbedException; |
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use BEAR\Resource\Exception\LinkException; |
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use Ray\Aop\MethodInterceptor; |
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use Ray\Aop\MethodInvocation; |
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use function array_shift; |
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use function assert; |
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use function is_array; |
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use function is_string; |
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use function uri_template; |
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final class EmbedInterceptor implements MethodInterceptor |
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{ |
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private const SELF_LINK = '_self'; |
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private readonly ResourceInterface $resource; |
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public function __construct( |
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ResourceInterface $resource, |
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) { |
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$this->resource = clone $resource; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @throws EmbedException |
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*/ |
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public function invoke(MethodInvocation $invocation) |
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{ |
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$ro = $invocation->getThis(); |
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assert($ro instanceof ResourceObject); |
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$query = $this->getArgsByInvocation($invocation); |
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$embeds = $invocation->getMethod()->getAnnotations(); |
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$this->embedResource($embeds, $ro, $query); |
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return $invocation->proceed(); |
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} |
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/** |
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* @param array<Embed|object> $embeds |
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* @param array<string, mixed> $query |
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* |
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* @throws EmbedException |
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* |
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* @psalm-suppress NoInterfaceProperties |
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* @psalm-suppress MixedMethodCall |
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*/ |
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private function embedResource(array $embeds, ResourceObject $ro, array $query): void |
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{ |
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foreach ($embeds as $embed) { |
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if (! $embed instanceof Embed) { |
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continue; |
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} |
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try { |
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$templateUri = $this->getFullUri($embed->src, $ro); |
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$uri = uri_template($templateUri, $query); |
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/** @var Request $request */ // phpcs:ignore SlevomatCodingStandard.PHP.RequireExplicitAssertion.RequiredExplicitAssertion |
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$request = $this->resource->get->uri($uri); |
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$this->prepareBody($ro, $embed); |
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if ($embed->rel === self::SELF_LINK) { |
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$this->linkSelf($request, $ro); |
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continue; |
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} |
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assert(is_array($ro->body)); |
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$ro->body[$embed->rel] = clone $request; |
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} catch (BadRequestException $e) { |
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// wrap ResourceNotFound or Uri exception |
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throw new EmbedException($embed->src, 500, $e); |
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} |
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} |
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} |
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private function getFullUri(string $uri, ResourceObject $ro): string |
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{ |
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if ($uri[0] === '/') { |
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$uri = "{$ro->uri->scheme}://{$ro->uri->host}" . $uri; |
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} |
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return $uri; |
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} |
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public function prepareBody(ResourceObject $ro, Embed $embed): void |
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{ |
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if ($ro->body === null) { |
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$ro->body = []; |
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} |
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if (! is_array($ro->body)) { |
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throw new LinkException($embed->rel); // @codeCoverageIgnore |
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} |
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} |
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/** @return array<string, mixed> */ |
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private function getArgsByInvocation(MethodInvocation $invocation): array |
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{ |
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/** @var list<scalar> $args */ |
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$args = $invocation->getArguments()->getArrayCopy(); |
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$params = $invocation->getMethod()->getParameters(); |
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$namedParameters = []; |
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foreach ($params as $param) { |
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$namedParameters[$param->name] = array_shift($args); |
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} |
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return $namedParameters; |
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} |
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public function linkSelf(Request $request, ResourceObject $ro): void |
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{ |
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$result = $request(); |
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assert(is_array($result->body)); |
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/** @var mixed $value */ |
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foreach ($result->body as $key => $value) { |
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assert(is_string($key)); |
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/** @psalm-suppress MixedArrayAssignment */ |
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$ro->body[$key] = $value; // @phpstan-ignore-line |
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} |
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$ro->code = $result->code; |
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} |
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} |
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bearsunday /
BEAR.Resource
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