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<?php |
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namespace LeKoala\Tin\Algo; |
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use LeKoala\Tin\Util\DateUtil; |
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use LeKoala\Tin\Util\StringUtil; |
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/** |
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* Czech Republic |
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* |
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* TODO: implement modulus check |
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*/ |
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class CZAlgorithm extends TINAlgorithm |
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{ |
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const LENGTH_1 = 9; |
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const LENGTH_2 = 10; |
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public function validate(string $tin) |
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{ |
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$normalizedTIN = str_replace("/", "", $tin); |
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if (!$this->isFollowLength1($normalizedTIN) && !$this->isFollowLength2($normalizedTIN)) { |
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return StatusCode::INVALID_LENGTH; |
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} |
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if (!$this->isValidDate($normalizedTIN)) { |
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return StatusCode::INVALID_PATTERN; |
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} |
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return StatusCode::VALID; |
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} |
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public function isFollowLength1(string $tin) |
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{ |
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return StringUtil::isFollowLength($tin, self::LENGTH_1); |
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} |
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public function isFollowLength2(string $tin) |
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{ |
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return StringUtil::isFollowLength($tin, self::LENGTH_2); |
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} |
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/** |
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* @param string $tin |
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* @return boolean |
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*/ |
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private function isValidDate(string $tin) |
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{ |
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$year = intval(StringUtil::substring($tin, 0, 2)); |
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$month = intval(StringUtil::substring($tin, 2, 4)); |
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// female have +50 in their month |
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if ($month > 50) { |
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$month = $month - 50; |
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} |
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// some people have +20 in their month |
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if ($month > 12) { |
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$month = $month - 20; |
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} |
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$day = intval(StringUtil::substring($tin, 4, 6)); |
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$y1 = DateUtil::validate(1900 + $year, $month, $day); |
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$y2 = DateUtil::validate(2000 + $year, $month, $day); |
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if (!$y1 || !$y2) { |
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return false; |
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} |
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return true; |
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} |
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} |
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lekoala /
tin
