Backup #2093

Dateiinhalt

<?php

declare(strict_types=1);

namespace Framework\Controller;

// @responsibility: HTTP-Input-Helpers für Controller

use Domain\Constants;

trait InputTrait
{
    /**
     * @return array<string, mixed>
     */
    protected function getJsonInput(): array
    {
        $input = file_get_contents('php://input');
        if ($input === false || $input === '') {
            return [];
        }

        $decoded = json_decode($input, true);

        return is_array($decoded) ? $decoded : [];
    }

    /**
     * Decode JSON string to array with safe defaults.
     *
     * @return array<mixed>
     */
    protected function decodeJson(?string $json): array
    {
        if ($json === null || $json === '') {
            return [];
        }

        $decoded = json_decode($json, true);

        return is_array($decoded) ? $decoded : [];
    }

    protected function getInput(string $key, mixed $default = null): mixed
    {
        return $_GET[$key] ?? $_POST[$key] ?? $default;
    }

    protected function getString(string $key, string $default = ''): string
    {
        $value = $this->getInput($key, $default);

        return is_string($value) ? trim($value) : $default;
    }

    protected function getInt(string $key, int $default = 0): int
    {
        return (int) ($this->getInput($key, $default));
    }

    protected function getPage(): int
    {
        return max(1, $this->getInt('page', 1));
    }

    protected function getLimit(int $max = 50, int $default = 10): int
    {
        return min($max, max(1, $this->getInt('limit', $default)));
    }

    protected function getOffset(int $limit): int
    {
        return ($this->getPage() - 1) * $limit;
    }

    protected function getPagination(int $defaultLimit = 50, int $maxLimit = Constants::DEFAULT_LIMIT): \Domain\ValueObject\Pagination
    {
        $page = $this->getPage();
        $limit = $this->getLimit($maxLimit, $defaultLimit);

        return \Domain\ValueObject\Pagination::create($page, $limit, $maxLimit);
    }
}

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