FlexPHP\Generator\Domain\Validations\HeaderSyntaxValidation

Complexity

Total Complexity

6

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	validateAllowedHeaders()	0	8	2
A	validateRequiredHeaders()	0	9	2
A	__construct()	0	3	1
A	validate()	0	5	1

<?php declare(strict_types=1);
/*
 * This file is part of FlexPHP.
 *
 * (c) Freddie Gar <freddie.gar@outlook.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace FlexPHP\Generator\Domain\Validations;

use FlexPHP\Generator\Domain\Exceptions\HeaderSyntaxValidationException;
use FlexPHP\Schema\Constants\Keyword;

final class HeaderSyntaxValidation implements ValidationInterface
{
    /**
     * @var array
     */
    private $headers;

    /**
     * @var array
     */
    private $allowedHeaders = [
        Keyword::NAME,
        Keyword::DATATYPE,
        Keyword::CONSTRAINTS,
    ];

    /**
     * @var array
     */
    private $requiredHeaders = [
        Keyword::NAME,
        Keyword::DATATYPE,
    ];

    public function __construct(array $headers)
    {
        $this->headers = $headers;
    }

    public function validate(): void
    {
        $this->validateAllowedHeaders();

        $this->validateRequiredHeaders();
    }

    private function validateAllowedHeaders(): void
    {
        $notAllowedHeaders = \array_filter($this->headers, function ($header) {
            return !\in_array($header, $this->allowedHeaders);
        });

        if (!empty($notAllowedHeaders)) {
            throw new HeaderSyntaxValidationException('Unknow headers: ' . \implode(', ', $notAllowedHeaders));
        }
    }

    private function validateRequiredHeaders(): void
    {
        $requiredHeaders = \array_filter($this->requiredHeaders, function ($required) {
            return !\in_array($required, $this->headers);
        });

        if (!empty($requiredHeaders)) {
            throw new HeaderSyntaxValidationException(
                'Required headers not present: ' . \implode(', ', $requiredHeaders)
            );
        }
    }
}