byrokrat\banking\Validator\CheckDigitValidator::validate()

Complexity

Conditions	4
Paths	3

Size

Total Lines

14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	4

Importance

Changes

0

<?php
    public function validate(AccountNumber $number): ResultInterface
    {
        if ($number->getCheckDigit() === '' || $number->getSerialNumber() === '') {
            return new Failure('Unable to validate checkdigit, not enough digits');
        }

        $expected = $this->calculateCheckDigit($number);

        if ($number->getCheckDigit() == $expected) {
            return new Success("Valid check digit $expected");
        }

        return new Failure("Invalid check digit {$number->getCheckDigit()}, expected $expected");
    }