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<?php |
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namespace Brazanation\Documents; |
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use Brazanation\Documents\Exception\InvalidDocument as InvalidDocumentException; |
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final class Voter implements DocumentInterface |
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{ |
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const LENGTH = 12; |
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const LABEL = 'Voter'; |
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private $voter; |
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private $section; |
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private $zone; |
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/** |
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* Voter constructor. |
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* |
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* @param string $number |
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* @param string $section [optional] |
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* @param string $zone [optional] |
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*/ |
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public function __construct($number, $section = null, $zone = null) |
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{ |
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$this->validate($number); |
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$this->voter = $number; |
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$this->section = str_pad($section, 4, '0', STR_PAD_LEFT); |
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$this->zone = str_pad($zone, 3, '0', STR_PAD_LEFT); |
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} |
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/** |
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* @return string |
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*/ |
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public function getSection() |
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{ |
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return $this->section; |
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} |
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/** |
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* @return string |
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*/ |
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public function getZone() |
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{ |
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return $this->zone; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->voter; |
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} |
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/** |
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* @return string |
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*/ |
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public function format() |
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{ |
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return preg_replace('/[^\d]/', '', $this->voter); |
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} |
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/** |
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* @param string $number |
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* |
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* @throws InvalidDocumentException |
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*/ |
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private function validate($number) |
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{ |
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if (empty($number)) { |
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throw InvalidDocumentException::notEmpty(self::LABEL); |
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} |
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if (!$this->isValid($number)) { |
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throw InvalidDocumentException::isNotValid(self::LABEL, $number); |
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} |
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} |
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/** |
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* @param string $number |
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* |
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* @return bool |
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*/ |
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private function isValid($number) |
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{ |
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if (strlen($number) != self::LENGTH) { |
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return false; |
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} |
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if (preg_match("/^{$number[0]}{" . self::LENGTH . '}$/', $number)) { |
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return false; |
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} |
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$baseNumber = substr($number, 0, -2); |
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$firstDigit = $this->calculateFirstDigit($baseNumber); |
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$secondDigit = $this->calculateSecondDigit("{$baseNumber}{$firstDigit}"); |
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return "{$firstDigit}{$secondDigit}" === substr($number, -2); |
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} |
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/** |
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* @param string $number |
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* |
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* @return string |
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*/ |
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private function calculateFirstDigit($number) |
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{ |
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$calculator = new DigitCalculator(substr($number, 0, -2)); |
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$calculator->withMultipliers([9, 8, 7, 6, 5, 4, 3, 2]); |
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$calculator->withModule(DigitCalculator::MODULE_11); |
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$digit = $calculator->calculate(); |
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return "{$digit}"; |
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} |
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/** |
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* @param string $number |
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* |
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* @return string |
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*/ |
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private function calculateSecondDigit($number) |
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{ |
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$calculator = new DigitCalculator(substr($number, -3)); |
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$calculator->withMultipliers([9, 8, 7]); |
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$calculator->withModule(DigitCalculator::MODULE_11); |
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$digit = $calculator->calculate(); |
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return "{$digit}"; |
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} |
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} |
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brazanation /
php-documents
