Hyde\Framework\Features\Blogging\BlogPostDatePrefixHelper

Complexity

Total Complexity

5

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	stripDatePrefix()	0	3	1
A	extractDate()	0	13	3
A	hasDatePrefix()	0	3	1

<?php

declare(strict_types=1);

namespace Hyde\Framework\Features\Blogging;

use DateTime;
use DateTimeInterface;
use InvalidArgumentException;

/**
 * @internal Helper class for handling date prefixes in blog post filenames
 */
class BlogPostDatePrefixHelper
{
    /**
     * We accept ISO 8601 dates in the format 'YYYY-MM-DD' and optionally a time in the format 'HH-MM', separated by a hyphen.
     *
     * @var string The regular expression pattern for matching a date prefix in a filename
     */
    protected const DATE_PATTERN = '/^(\d{4}-\d{2}-\d{2})(?:-(\d{2}-\d{2}))?-/';

    public static function hasDatePrefix(string $filepath): bool
    {
        return preg_match(static::DATE_PATTERN, basename($filepath)) === 1;
    }

    public static function extractDate(string $filepath): DateTimeInterface
    {
        if (! preg_match(static::DATE_PATTERN, basename($filepath), $matches)) {
            throw new InvalidArgumentException('The given filepath does not contain a valid ISO 8601 date prefix.');
        }

        $dateString = $matches[1];

        if (isset($matches[2])) {
            $dateString .= ' '.str_replace('-', ':', $matches[2]);
        }

        return new DateTime($dateString);
    }

    public static function stripDatePrefix(string $filepath): string
    {
        return preg_replace(static::DATE_PATTERN, '', basename($filepath));
    }
}