BEAR\Resource\OptionalParam

Complexity

Total Complexity

3

Size/Duplication

Total Lines	23
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	__invoke()	0	12	2

<?php

declare(strict_types=1);

namespace BEAR\Resource;

use Override;
use Ray\Di\InjectorInterface;

use function ltrim;
use function preg_replace;
use function strtolower;

/** @template T */
final class OptionalParam implements ParamInterface
{
    /** @param T $defaultValue */
    public function __construct(
        private $defaultValue,
    ) {
    }

    /**
     * {@inheritDoc}
     */
    #[Override]
    public function __invoke(string $varName, array $query, InjectorInterface $injector)
    {
        unset($injector);
        if (isset($query[$varName])) {
            return $query[$varName];
        }

        // try camelCase variable name
        $snakeName = ltrim(strtolower((string) preg_replace('/[A-Z]/', '_\0', $varName)), '_');

        return $query[$snakeName] ?? $this->defaultValue;
    }
}