KleijnWeb\PhpApi\Middleware\OperationMatcher::process()

Complexity

Conditions	11
Paths	29

Size

Total Lines	46
Code Lines	24

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php declare(strict_types = 1);
    public function process(ServerRequestInterface $request, DelegateInterface $delegate)
    {
        $uriPath = $request->getUri()->getPath();

        /** @var Description $description */
        foreach ($this->repository as $description) {

            $basePath = $description->getBasePath() ? "{$description->getBasePath()}/" : "";

            foreach ($description->getPaths() as $path) {
                $pathPattern = "$basePath{$path->getPath()}";

                $parameterNames = [];
                foreach ($path->getOperations() as $operation) {
                    foreach ($operation->getParameters() as $parameter) {
                        if ($parameter->getIn() === Parameter::IN_PATH
                            && ($schema = $parameter->getSchema()) instanceof ScalarSchema
                        ) {
                            $parameterName    = $parameter->getName();
                            $parameterNames[] = $parameterName;
                            $typePattern      = $this->typePatternResolver->resolve($schema);
                            $parameterPattern = "(?P<$parameterName>$typePattern)(?=(/|$))";
                            $pathPattern      = str_replace('{'.$parameterName.'}', $parameterPattern, $pathPattern);
                        }
                    }

                    if (preg_match("#^$pathPattern$#", $uriPath, $matches) > 0) {
                        if (strtolower($request->getMethod()) !== $operation->getMethod()) {
                            return Factory::createResponse(405);
                        }

                        $request = Meta::requestWith($request, $description, $operation, $path);

                        foreach ($parameterNames as $parameterName) {
                            $request = $request->withAttribute($parameterName, $matches[$parameterName]);
                        }

                        return $delegate->process($request);
                    }
                }

            }
        }

        return Factory::createResponse(404);
    }
}