vipnytt\RobotsTxtParser\Core\Directives\CrawlDelay

Complexity

Total Complexity

9

Size/Duplication

Total Lines	78
Duplicated Lines	8.97 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	1
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	add()	0	16	4
A	export()	0	4	2
A	render()	7	7	2

<?php
namespace vipnytt\RobotsTxtParser\Core\Directives;

use vipnytt\RobotsTxtParser\Core\RobotsTxtInterface;
use vipnytt\RobotsTxtParser\Core\Toolbox;

/**
 * Class CrawlDelay
 *
 * @package vipnytt\RobotsTxtParser\Core\Directives
 */
class CrawlDelay implements DirectiveInterface, RobotsTxtInterface
{
    use Toolbox;

    /**
     * Directive alternatives
     */
    const DIRECTIVE = [
        self::DIRECTIVE_CACHE_DELAY,
        self::DIRECTIVE_CRAWL_DELAY,
    ];

    /**
     * Directive
     */
    protected $directive = self::DIRECTIVE_CRAWL_DELAY;

    /**
     * Delay
     * @var float|int
     */
    protected $value;

    /**
     * CrawlDelay constructor.
     * @param string $directive
     */
    public function __construct($directive = self::DIRECTIVE_CRAWL_DELAY)
    {
        $this->directive = $this->validateDirective($directive, self::DIRECTIVE);
    }

    /**
     * Add
     *
     * @param float|int|string $line
     * @return bool
     */
    public function add($line)
    {
        if (
            !is_numeric($line) ||
            (
                isset($this->value) &&
                $this->value > 0
            )
        ) {
            return false;
        }
        // PHP hack to convert numeric string to float or int
        // http://stackoverflow.com/questions/16606364/php-cast-string-to-either-int-or-float
        $this->value = $line + 0;
        return true;
    }

    /**
     * Export rules
     *
     * @return float[]|int[]|string[]
     */
    public function export()
    {
        return empty($this->value) ? [] : [$this->directive => $this->value];
    }

    /**
     * Render
     *
     * @return string[]
     */
    public function render()

This method seems to be duplicated in your project.

    {
        if (!empty($this->value)) {
            return [$this->directive . ':' . $this->value];
        }
        return [];
    }
}