StraTDeS\VO\Single\Slug

Complexity

Total Complexity

6

Size/Duplication

Total Lines	33
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	equal()	0	3	1
A	fromValue()	0	5	1
A	checkSlugIsValid()	0	5	2
A	value()	0	3	1

<?php

namespace StraTDeS\VO\Single;

class Slug
{
    private string $value;

    private function __construct(string $value)
    {
        $this->value = $value;
    }

    public static function fromValue(string $value): Slug
    {
        self::checkSlugIsValid($value);

        return new Slug($value);
    }

    protected static function checkSlugIsValid(string $value): void
    {
        if (!preg_match('/^[a-z-0-9]*$/', $value)) {
            throw new \InvalidArgumentException(
                "$value is not a valid slug. Only lowercase, letters, numbers and dashes are allowed."
            );
        }
    }

    public function value(): string
    {
        return $this->value;
    }

    public function equal(Slug $slug): bool
    {
        return $this->value == $slug->value;
    }
}