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ClearingCheckDigitValidator::validate()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 16
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 3

Importance

Changes 0
Metric Value
cc 3
eloc 8
nc 3
nop 1
dl 0
loc 16
rs 9.4285
c 0
b 0
f 0
ccs 8
cts 8
cp 1
crap 3
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<?php
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declare(strict_types = 1);
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namespace byrokrat\banking\Validator;
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use byrokrat\banking\AccountNumber;
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/**
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 * Validate clearing number check digits
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 */
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class ClearingCheckDigitValidator implements ValidatorInterface
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{
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    /**
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     * Validate clearing number check digit
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     *
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     * If no clearing check digit exists number is considered valid.
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     */
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    public function validate(AccountNumber $number): ResultInterface
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    {
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        $checkDigit = $number->getClearingCheckDigit();
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        if ($checkDigit != '') {
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            $expected = Modulo10::calculateCheckDigit($number->getClearingNumber());
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            if ($expected != $checkDigit) {
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                return new Failure("Invalid clearing number check digit $checkDigit, expected $expected");
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            }
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            return new Success("Valid clearing number check digit $checkDigit");
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        }
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        return new Success("Skipped validation of clearing number check digit");
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    }
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}
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