Jasny\Controller\Guardian

Complexity

Total Complexity

4

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	guard()	0	17	3
A	instantiate()	0	3	1

<?php

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namespace Jasny\Controller;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;

/**
 * Apply guards for a controller.
 * Guard are attributes of the controller or method.
 */

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class Guardian
{
    /**

Parameter $attribute should have a doc-comment as per coding-style.

     * Instantiate a guard from an attribute.
     */

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    protected function instantiate(\ReflectionAttribute $attribute): Guard
    {
        return $attribute->newInstance();
    }

    /**

Parameter $subject should have a doc-comment as per coding-style.

Parameter $request should have a doc-comment as per coding-style.

Parameter $response should have a doc-comment as per coding-style.

     * Run a set of guards.
     */

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    public function guard(
        \ReflectionObject|\ReflectionMethod $subject,
        ServerRequestInterface $request,
        ResponseInterface $response,
    ): ?ResponseInterface {
        $attributes = $subject->getAttributes(Guard::class, \ReflectionAttribute::IS_INSTANCEOF);

        foreach ($attributes as $attribute) {
            $guard = $this->instantiate($attribute);
            $result = $guard($request, $response);

            if ($result !== null) {
                return $result;
            }
        }

        return null;
    }
}