vipnytt\RobotsTxtParser\Parser\StatusCodeParser

Complexity

Total Complexity

10

Size/Duplication

Total Lines	64
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes	10
Bugs	3	Features	1

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	8	3
A	validate()	0	7	2
B	accessOverride()	0	13	5

<?php
namespace vipnytt\RobotsTxtParser\Parser;

use vipnytt\RobotsTxtParser\Exceptions\StatusCodeException;
use vipnytt\RobotsTxtParser\Parser\Directives\DirectiveParserCommons;
use vipnytt\RobotsTxtParser\RobotsTxtInterface;

/**
 * Class StatusCodeParser
 *
 * @package vipnytt\RobotsTxtParser\Parser
 */
class StatusCodeParser implements RobotsTxtInterface
{
    use DirectiveParserCommons;

    /**
     * Status code
     * @var int
     */
    private $code;

    /**
     * Scheme
     * @var string|false
     */
    private $scheme;

    /**
     * Constructor
     *
     * @param int|null $code - HTTP status code
     * @param string|false $scheme
     * @throws StatusCodeException
     */
    public function __construct($code, $scheme)
    {
        $this->code = $code === null ? 200 : $code;
        $this->scheme = $scheme;
        if (!$this->validate()) {
            throw new StatusCodeException('Invalid Status code');
        }
    }

    /**
     * Validate
     *
     * @return bool
     */
    public function validate()
    {
        return (
            $this->code >= 100 &&
            $this->code <= 599
        );
    }

    /**
     * Check if the code overrides the robots.txt file
     *
     * @return string|false
     */
    public function accessOverride()
    {
        if (stripos($this->scheme, 'http') === 0) {
            switch (floor($this->code / 100) * 100) {
                case 300:
                case 400:
                    return self::DIRECTIVE_ALLOW;
                case 500:
                    return self::DIRECTIVE_DISALLOW;
            }
        }
        return false;
    }
}