1 | <?php |
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2 | |||
3 | namespace LeKoala\Tin\Algo; |
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4 | |||
5 | use LeKoala\Tin\Util\StringUtil; |
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6 | |||
7 | /** |
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8 | * Croatia |
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9 | */ |
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10 | class HRAlgorithm extends TINAlgorithm |
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11 | { |
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12 | const LENGTH = 11; |
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13 | const PATTERN = "\\d{11}"; |
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14 | |||
15 | public function validate(string $tin) |
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16 | { |
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17 | $str = StringUtil::clearString($tin); |
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18 | if (!StringUtil::isFollowLength($str, 11)) { |
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19 | return StatusCode::INVALID_LENGTH; |
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20 | } |
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21 | if (!StringUtil::isFollowPattern($str, self::PATTERN)) { |
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22 | return StatusCode::INVALID_PATTERN; |
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23 | } |
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24 | if (!$this->isFollowRules($str)) { |
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25 | return StatusCode::INVALID_SYNTAX; |
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26 | } |
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27 | return StatusCode::VALID; |
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28 | } |
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29 | |||
30 | public function isFollowRules(string $tin) |
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31 | { |
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32 | $sum = 0; |
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33 | $rest = 0; |
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34 | $sum = StringUtil::digitAt($tin, 0) + 10; |
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35 | for ($i = 1; $i < 11; $i++) { |
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36 | $rest = $sum % 10; |
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37 | $rest = (($rest == 0) ? 10 : $rest) * 2 % 11; |
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38 | $sum = $rest + StringUtil::digitAt($tin, $i); |
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39 | } |
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40 | $diff = 11 - $rest; |
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41 | $lastDigit = StringUtil::digitAt($tin, 10); |
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42 | return ($rest == 1 && $lastDigit == 0) || $lastDigit == $diff; |
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43 | } |
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44 | } |
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45 |