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<?php |
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namespace Brazanation\Documents; |
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final class Cnh extends AbstractDocument implements DocumentInterface |
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{ |
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const LENGTH = 11; |
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const LABEL = 'CNH'; |
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11
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const REGEX = '/^([\d]{3})([\d]{3})([\d]{4})([\d]{1})$/'; |
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/** |
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* Cnh constructor. |
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* |
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* @param string $cnh Only accept numbers |
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*/ |
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public function __construct($cnh) |
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{ |
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$cnh = preg_replace('/\D/', '', $cnh); |
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parent::__construct($cnh, self::LENGTH, 2, self::LABEL); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function calculateDigit($baseNumber) |
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{ |
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$firstDigit = $this->calculateFirstDigit($baseNumber); |
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$secondDigit = $this->calculateSecondDigit($baseNumber); |
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return "{$firstDigit}{$secondDigit}"; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function format() |
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{ |
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return "{$this}"; |
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} |
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/** |
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* Calculate check digit from base number. |
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* |
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* @param string $baseNumber Base numeric section to be calculate your digit. |
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* |
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* @return string Returns a calculated checker digit. |
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*/ |
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private function calculateFirstDigit($baseNumber) |
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{ |
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$calculator = new DigitCalculator($baseNumber); |
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$calculator->withMultipliersInterval(1, 9); |
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$calculator->replaceWhen('0', 10, 11); |
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$calculator->withModule(DigitCalculator::MODULE_11); |
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$firstDigit = $calculator->calculate(); |
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return "{$firstDigit}"; |
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} |
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/** |
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* Calculate check digit from base number. |
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* |
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* @param string $baseNumber Base numeric section to be calculate your digit. |
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* |
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* @return string Returns a calculated checker digit. |
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*/ |
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private function calculateSecondDigit($baseNumber) |
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{ |
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$calculator = new DigitCalculator($baseNumber); |
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$calculator->withMultipliers([9, 8, 7, 6, 5, 4, 3, 2, 1]); |
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$calculator->replaceWhen('0', 10, 11); |
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$calculator->withModule(DigitCalculator::MODULE_11); |
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$secondDigit = $calculator->calculate(); |
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return "{$secondDigit}"; |
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} |
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} |
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brazanation /
php-documents
