1 | <?php |
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2 | |||
3 | namespace LeKoala\Tin\Algo; |
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4 | |||
5 | use LeKoala\Tin\Util\DateUtil; |
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6 | use LeKoala\Tin\Util\StringUtil; |
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7 | |||
8 | /** |
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9 | * Lithuania |
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10 | */ |
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11 | class LTAlgorithm extends TINAlgorithm |
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12 | { |
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13 | const LENGTH = 11; |
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14 | const PATTERN = "[1-6]\\d{2}[0-1]\\d[0-3]\\d{5}"; |
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15 | |||
16 | public function validate(string $tin) |
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17 | { |
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18 | if (!$this->isFollowLength($tin)) { |
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19 | return StatusCode::INVALID_LENGTH; |
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20 | } |
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21 | if (!$this->isFollowPattern($tin)) { |
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22 | return StatusCode::INVALID_PATTERN; |
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23 | } |
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24 | if (!$this->isFollowRules($tin)) { |
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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 | private function checkMonth(string $tin) |
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31 | { |
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32 | $month = intval(StringUtil::substring($tin, 3, 5)); |
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33 | return $month > 0 && $month < 13; |
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34 | } |
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35 | |||
36 | private function checkDay(string $tin) |
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37 | { |
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38 | $day = intval(StringUtil::substring($tin, 5, 7)); |
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39 | return $day > 0 && $day < 32; |
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40 | } |
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41 | |||
42 | public function isFollowLength(string $tin) |
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43 | { |
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44 | return StringUtil::isFollowLength($tin, self::LENGTH); |
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45 | } |
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46 | |||
47 | public function isFollowPattern(string $tin) |
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48 | { |
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49 | return StringUtil::isFollowPattern($tin, self::PATTERN); |
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50 | } |
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51 | |||
52 | public function isFollowRules(string $tin) |
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53 | { |
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54 | $sum = 0; |
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55 | $c11 = intval(StringUtil::substring($tin, 10)); |
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56 | for ($i = 0; $i < 10; $i++) { |
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57 | $sum += $this->multiplyAccordingToWeight(intval(StringUtil::substring($tin, $i, $i + 1)), $i); |
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58 | } |
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59 | $remainderBy11 = $sum % 11; |
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60 | if ($remainderBy11 != 10) { |
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61 | return $c11 == $remainderBy11; |
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62 | } |
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63 | $sum2 = 0; |
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64 | for ($j = 0; $j < 10; $j++) { |
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65 | $sum2 += $this->multiplyAccordingToWeight2(intval(StringUtil::substring($tin, $j, $j + 1)), $j); |
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66 | } |
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67 | $remainderBy11 = $sum2 % 11; |
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68 | if ($remainderBy11 == 10) { |
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69 | return $c11 == 0; |
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70 | } |
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71 | return $c11 == $remainderBy11; |
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72 | } |
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73 | |||
74 | protected function multiplyAccordingToWeight($val, $index) |
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75 | { |
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76 | switch ($index) { |
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77 | case 0: |
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78 | return $val * 1; |
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79 | case 1: |
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80 | return $val * 2; |
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81 | case 2: |
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82 | return $val * 3; |
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83 | case 3: |
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84 | return $val * 4; |
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85 | case 4: |
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86 | return $val * 5; |
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87 | case 5: |
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88 | return $val * 6; |
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89 | case 6: |
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90 | return $val * 7; |
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91 | case 7: |
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92 | return $val * 8; |
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93 | case 8: |
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94 | return $val * 9; |
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95 | case 9: |
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96 | return $val * 1; |
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97 | default: |
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98 | return -1; |
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99 | } |
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100 | } |
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101 | |||
102 | protected function multiplyAccordingToWeight2($val, $index) |
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103 | { |
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104 | switch ($index) { |
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105 | case 0: |
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106 | return $val * 3; |
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107 | case 1: |
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108 | return $val * 4; |
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109 | case 2: |
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110 | return $val * 5; |
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111 | case 3: |
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112 | return $val * 6; |
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113 | case 4: |
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114 | return $val * 7; |
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115 | case 5: |
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116 | return $val * 8; |
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117 | case 6: |
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118 | return $val * 9; |
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119 | case 7: |
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120 | return $val * 1; |
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121 | case 8: |
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122 | return $val * 2; |
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123 | case 9: |
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124 | return $val * 3; |
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125 | default: |
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126 | return -1; |
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127 | } |
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128 | } |
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129 | |||
130 | private function isValidDate(string $tin) |
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131 | { |
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132 | $day = intval(StringUtil::substring($tin, 5, 7)); |
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133 | $month = intval(StringUtil::substring($tin, 3, 5)); |
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134 | $year = intval(StringUtil::substring($tin, 1, 3)); |
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135 | return DateUtil::validate(1900 + $year, $month, $day) || DateUtil::validate(2000 + $year, $month, $day); |
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136 | } |
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137 | } |
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138 |
This check looks for private methods that have been defined, but are not used inside the class.