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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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* Lithuania |
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*/ |
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class LTAlgorithm 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($tin)) { |
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return StatusCode::INVALID_PATTERN; |
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} |
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if (!$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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private function checkMonth(string $tin) |
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{ |
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$month = intval(StringUtil::substring($tin, 3, 5)); |
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return $month > 0 && $month < 13; |
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} |
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private function checkDay(string $tin) |
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{ |
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$day = intval(StringUtil::substring($tin, 5, 7)); |
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return $day > 0 && $day < 32; |
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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 $tin) |
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{ |
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$sum = 0; |
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$c11 = intval(StringUtil::substring($tin, 10)); |
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for ($i = 0; $i < 10; $i++) { |
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$sum += $this->multiplyAccordingToWeight(intval(StringUtil::substring($tin, $i, $i + 1)), $i); |
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} |
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$remainderBy11 = $sum % 11; |
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if ($remainderBy11 != 10) { |
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return $c11 == $remainderBy11; |
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} |
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$sum2 = 0; |
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for ($j = 0; $j < 10; $j++) { |
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$sum2 += $this->multiplyAccordingToWeight2(intval(StringUtil::substring($tin, $j, $j + 1)), $j); |
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} |
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$remainderBy11 = $sum2 % 11; |
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if ($remainderBy11 == 10) { |
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return $c11 == 0; |
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} |
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return $c11 == $remainderBy11; |
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} |
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protected function multiplyAccordingToWeight($val, $index) |
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{ |
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switch ($index) { |
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case 0: |
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return $val * 1; |
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case 1: |
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return $val * 2; |
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case 2: |
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return $val * 3; |
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case 3: |
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return $val * 4; |
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case 4: |
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return $val * 5; |
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case 5: |
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return $val * 6; |
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case 6: |
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return $val * 7; |
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case 7: |
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return $val * 8; |
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case 8: |
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return $val * 9; |
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case 9: |
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return $val * 1; |
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default: |
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return -1; |
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} |
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} |
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protected function multiplyAccordingToWeight2($val, $index) |
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{ |
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switch ($index) { |
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case 0: |
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return $val * 3; |
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case 1: |
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return $val * 4; |
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case 2: |
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return $val * 5; |
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case 3: |
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return $val * 6; |
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case 4: |
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return $val * 7; |
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case 5: |
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return $val * 8; |
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case 6: |
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return $val * 9; |
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case 7: |
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return $val * 1; |
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case 8: |
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return $val * 2; |
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case 9: |
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return $val * 3; |
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default: |
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return -1; |
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} |
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} |
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private function isValidDate(string $tin) |
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{ |
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$day = intval(StringUtil::substring($tin, 5, 7)); |
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$month = intval(StringUtil::substring($tin, 3, 5)); |
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$year = intval(StringUtil::substring($tin, 1, 3)); |
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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
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This check looks for private methods that have been defined, but are not used inside the class.