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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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* Estonia |
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*/ |
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class EEAlgorithm extends TINAlgorithm |
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{ |
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const LENGTH = 11; |
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const PATTERN = "[1-6]\\d{2}[0-1]\\d[0-3]\\d{5}"; |
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public function validate(string $tin) |
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{ |
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if (!$this->isFollowLength($tin)) { |
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return StatusCode::INVALID_LENGTH; |
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} |
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if (!$this->isFollowPattern($tin) || !$this->isValidDate($tin)) { |
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return StatusCode::INVALID_PATTERN; |
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} |
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if (!$this->isFollowRules($tin)) { |
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return StatusCode::INVALID_SYNTAX; |
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} |
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return StatusCode::VALID; |
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} |
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public function isFollowLength(string $tin) |
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{ |
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return StringUtil::isFollowLength($tin, self::LENGTH); |
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} |
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public function isFollowPattern(string $tin) |
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{ |
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return StringUtil::isFollowPattern($tin, self::PATTERN); |
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} |
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public function isFollowRules(string $tin) |
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{ |
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return $this->isFollowRangeRule($tin) && $this->isFollowEstoniaRule($tin); |
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} |
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public function isFollowRangeRule(string $tin) |
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{ |
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$range = intval(StringUtil::substring($tin, 7, 10)); |
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return $range > 0 && $range < 711; |
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} |
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public function isFollowEstoniaRule(string $tin) |
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{ |
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$c1 = StringUtil::digitAt($tin, 0); |
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$c2 = StringUtil::digitAt($tin, 1); |
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$c3 = StringUtil::digitAt($tin, 2); |
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$c4 = StringUtil::digitAt($tin, 3); |
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$c5 = StringUtil::digitAt($tin, 4); |
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$c6 = StringUtil::digitAt($tin, 5); |
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$c7 = StringUtil::digitAt($tin, 6); |
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$c8 = StringUtil::digitAt($tin, 7); |
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$c9 = StringUtil::digitAt($tin, 8); |
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$c10 = StringUtil::digitAt($tin, 9); |
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$c11 = StringUtil::digitAt($tin, 10); |
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$sum = $c1 + $c2 * 2 + $c3 * 3 + $c4 * 4 + $c5 * 5 + $c6 * 6 + $c7 * 7 + $c8 * 8 + $c9 * 9 + $c10; |
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$remainderBy11 = $sum % 11; |
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return ($remainderBy11 < 10 && $remainderBy11 == $c11) || ($remainderBy11 == 10 && $this->isFollowEstoniaRulePart2($tin)); |
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} |
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public function isFollowEstoniaRulePart2(string $tin) |
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{ |
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$c1 = StringUtil::digitAt($tin, 0); |
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$c2 = StringUtil::digitAt($tin, 1); |
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$c3 = StringUtil::digitAt($tin, 2); |
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$c4 = StringUtil::digitAt($tin, 3); |
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$c5 = StringUtil::digitAt($tin, 4); |
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$c6 = StringUtil::digitAt($tin, 5); |
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$c7 = StringUtil::digitAt($tin, 6); |
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$c8 = StringUtil::digitAt($tin, 7); |
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$c9 = StringUtil::digitAt($tin, 8); |
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$c10 = StringUtil::digitAt($tin, 9); |
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$c11 = StringUtil::digitAt($tin, 10); |
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$sum = $c1 * 3 + $c2 * 4 + $c3 * 5 + $c4 * 6 + $c5 * 7 + $c6 * 8 + $c7 * 9 + $c8 + $c9 * 2 + $c10 * 3; |
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$remainderBy11 = $sum % 11; |
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return ($remainderBy11 < 10 && $remainderBy11 == $c11) || ($remainderBy11 == 10 && $c11 == 0); |
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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($tin, 1, 3)); |
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$month = intval(StringUtil::substring($tin, 3, 5)); |
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$day = intval(StringUtil::substring($tin, 5, 7)); |
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return DateUtil::validate(1900 + $year, $month, $day) || DateUtil::validate(2000 + $year, $month, $day); |
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} |
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} |
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lekoala /
tin
