RouteInvoker::resolveParameters() - Code Metrics - Inspection of "Performance Update" - divineniiquaye/flight-routing - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#16)

by Divine Niiquaye

created 2021-09-13 02:36 UTC

RouteInvoker::resolveParameters() C

↳ Parent: RouteInvoker

Complexity

Conditions	16
Paths	17

Size

Total Lines	45
Code Lines	25

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	16
eloc	25
nc	17
nop	2
dl	0
loc	45
rs	5.5666
c	1
b	0
f	0

How to fix Complexity

<?php

declare(strict_types=1);

/*
 * This file is part of Flight Routing.
 *
 * PHP version 7.1 and above required
 *
 * @author    Divine Niiquaye Ibok <[email protected]>
 * @copyright 2019 Biurad Group (https://biurad.com/)
 * @license   https://opensource.org/licenses/BSD-3-Clause License
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Flight\Routing\Handlers;

use Flight\Routing\Exceptions\InvalidControllerException;
use Psr\Container\ContainerInterface;

/**
 * Invokes a route's handler with arguments.
 *
 * If you're using this library with Rade-DI, Yii Inject, DivineNii PHP Invoker, or Laravel DI,
 * instead of using this class as callable, use the call method from the container's class.
 *
 * @author Divine Niiquaye Ibok <[email protected]>
 */
class RouteInvoker
{
    /** @var ContainerInterface */
    private $container;

    public function __construct(ContainerInterface $container = null)
    {
        $this->container = $container;
    }

    /**
     * Auto-configure route handler parameters.
     *
     * @param mixed               $handler
     * @param array<string,mixed> $arguments
     *
     * @return mixed
     */
    public function __invoke($handler, array $arguments)
    {
        if (\is_string($handler)) {
            if (null !== $this->container && $this->container->has($handler)) {
                $handler = $this->container->get($handler);
            } elseif (\str_contains($handler, '@')) {
                $handler = \explode('@', $handler, 2);

                goto maybe_callable;
            } elseif (\class_exists($handler)) {
                $handlerRef = new \ReflectionClass($handler);

                if ($handlerRef->hasMethod('__invoke')) {
                    $handler = [$handler, '__invoke'];

                    goto maybe_callable;
                }

                if (null !== $constructor = $handlerRef->getConstructor()) {
                    $constructorParameters = $constructor->getParameters();

                    goto resolve_handler;
                }

                return $handlerRef->newInstanceWithoutConstructor();
            }
        }

        if ((\is_array($handler) && [0, 1] === \array_keys($handler)) && \is_string($handler[0])) {
            maybe_callable:
            if (null !== $this->container && $this->container->has($handler[0])) {
                $handler[0] = $this->container->get($handler[0]);
            } elseif (\class_exists($handler[0])) {
                $handler[0] = (new \ReflectionClass($handler[0]))->newInstanceArgs();
            }
        }

        if (\is_callable($handler)) {
            $handlerRef = new \ReflectionFunction(\Closure::fromCallable($handler));
        } elseif (\is_object($handler)) {
            return $handler;
        } else {
            throw new InvalidControllerException(\sprintf('Route has an invalid handler type of "%s".', \gettype($handler)));
        }

        resolve_handler:
        $parameters = $this->resolveParameters($constructorParameters ?? $handlerRef->getParameters(), $arguments);
        $parameters = $this->resolveParameters($constructorParameters ?? $handlerRef->/** @scrutinizer ignore-call */ getParameters(), $arguments);

        if ($handlerRef instanceof \ReflectionFunction) {
            return $handlerRef->invokeArgs($parameters);
        }

        return $handlerRef->newInstanceArgs($parameters);
    }

    /**
     * @param array<int,\ReflectionParameter> $refParameters
     * @param array<string,mixed> $arguments
     *
     * @return array<int,mixed>
     */
    private function resolveParameters(array $refParameters, array $arguments): array
    {
        $parameters = [];

        foreach ($refParameters as $index => $parameter) {
            $typeHint = $parameter->getType();

            if ($typeHint instanceof \ReflectionUnionType) {
                foreach ($typeHint->getTypes() as $unionType) {
                    if (isset($arguments[$unionType->getName()])) {
                        $parameters[$index] = $arguments[$unionType->getName()];

                        continue 2;
                    }

                    if (null !== $this->container && $this->container->has($unionType->getName())) {
                        $parameter[$index] = $this->container->get($unionType->getName());

                        continue 2;
                    }
                }
            } elseif ($typeHint instanceof \ReflectionNamedType) {
                if (isset($arguments[$typeHint->getName()])) {
                    $parameters[$index] = $arguments[$typeHint->getName()];

                    continue;
                }

                if (null !== $this->container && $this->container->has($typeHint->getName())) {
                    $parameter[$index] = $this->container->get($typeHint->getName());

                    continue;
                }
            }

            if (isset($arguments[$parameter->getName()])) {
                $parameters[$index] = $arguments[$parameter->getName()];
            } elseif (null !== $this->container && $this->container->has($parameter->getName())) {
                $parameters[$index] = $this->container->get($typeHint->getName());
                $parameters[$index] = $this->container->get($typeHint->/** @scrutinizer ignore-call */ getName());
            } elseif ($parameter->allowsNull() && !$parameter->isDefaultValueAvailable()) {
                $parameters[$index] = null;
            }
        }

        return $parameters;
    }
}


divineniiquaye / flight-routing

Pull Request — master (#16)

RouteInvoker::resolveParameters() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

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