DEAlgorithm::isFollowRuleGermany1() - Code Metrics - lekoala/tin - Measure and Improve Code Quality continuously with Scrutinizer

DEAlgorithm::isFollowRuleGermany1() B
last analyzed 2020-03-31 12:51 UTC

↳ Parent: DEAlgorithm

Complexity

Conditions	6
Paths	24

Size

Total Lines	27
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	6
eloc	20
c	1
b	0
f	0
nc	24
nop	1
dl	0
loc	27
rs	8.9777

<?php

namespace LeKoala\Tin\Algo;

use LeKoala\Tin\Util\StringUtil;

/**
 * Germany
 */
class DEAlgorithm extends TINAlgorithm
{
    const LENGTH_1 = 11;
    const PATTERN_1 = "[1-9]\\d{10}";
    const LENGTH_2 = 11;
    const PATTERN_2 = "[1-9]\\d{10}";

    public function validate(string $tin)
    {
        $normalizedTIN = str_replace("/", "", $tin);
        if (!$this->isFollowLength($normalizedTIN)) {
            return StatusCode::INVALID_LENGTH;
        }
        if ($this->isFollowLength($normalizedTIN) && !$this->isFollowPattern($normalizedTIN)) {
            return StatusCode::INVALID_PATTERN;
        }
        if (!$this->isFollowRules($normalizedTIN)) {
            return StatusCode::INVALID_SYNTAX;
        }
        return StatusCode::VALID;
    }

    public function isFollowLength(string $tin)
    {
        return $this->isFollowLength1($tin) || $this->isFollowLength2($tin);
    }

    public function isFollowLength1(string $tin)
    {
        return StringUtil::isFollowLength($tin, self::LENGTH_1);
    }

    public function isFollowLength2(string $tin)
    {
        return StringUtil::isFollowLength($tin, self::LENGTH_2);
    }

    public function isFollowPattern(string $tin)
    {
        return $this->isFollowPattern1($tin) || $this->isFollowPattern2($tin);
    }

    public function isFollowPattern1(string $tin)
    {
        if (!StringUtil::isFollowPattern($tin, self::PATTERN_1)) {
            return false;
        }
        $tab = [];
        $pos = [];
        for ($i = 0; $i < 10; $i++) {
            $tab[$i] = StringUtil::digitAt($tin, $i);
            $pos[$i] = 0;
        }
        for ($j = 0; $j < 10; $j++) {
            $pos[$tab[$j]]++;
        }
        $isEncounteredTwice2 = false;
        $isEncountered0 = false;
        for ($k = 0; $k < 10; $k++) {
            if ($pos[$k] == 2) {
                if ($isEncounteredTwice2) {
                    return false;
                }
                $isEncounteredTwice2 = true;
            }
            if ($pos[$k] == 0) {
                if ($isEncountered0) {
                    return false;
                }
                $isEncountered0 = true;
            }
        }
        return $isEncountered0;
    }

    public function isFollowPattern2(string $tin)
    {
        if (!StringUtil::isFollowPattern($tin, self::PATTERN_2)) {
            return false;
        }
        $tab = [];
        $pos = [];
        for ($i = 0; $i < 10; $i++) {
            $tab[$i] = StringUtil::digitAt($tin, $i);
            $pos[$i] = 0;
        }
        for ($i = 0; $i < 8; $i++) {
            if ($tab[$i] == $tab[$i + 1] && $tab[$i + 1] == $tab[$i + 2]) {
                return false;
            }
        }
        for ($j = 0; $j < 10; $j++) {
            $pos[$tab[$j]]++;
        }
        $isEncounteredTwice2 = false;
        $isEncounteredThrice3 = false;
        for ($k = 0; $k < 10; $k++) {
            if ($pos[$k] > 3) {
                return false;
            }
            if ($pos[$k] == 3) {
                if ($isEncounteredThrice3) {
                    return false;
                }
                $isEncounteredThrice3 = true;
            }
            if ($pos[$k] == 2) {
                if ($isEncounteredTwice2) {
                    return false;
                }
                $isEncounteredTwice2 = true;
            }
        }
        return $isEncounteredThrice3 || $isEncounteredTwice2;
    }

    public function isFollowRules(string $tin)
    {
        return (self::LENGTH_1 == strlen($tin) && $this->isFollowRuleGermany1($tin)) || $this->isFollowRuleGermany2($tin);
    }

    public function isFollowRuleGermany1(string $tin)
    {
        $c1 = StringUtil::digitAt($tin, 0);
        $c2 = [];
        for ($i = 0; $i < 9; $i++) {
            $c2[$i] = StringUtil::digitAt($tin, $i + 1);
        }
        $result = ($c1 + 10) % 10;
        if ($result == 0) {
            $result = 10;
        }
        $result *= 2;
        $x = $result % 11;
        for ($j = 0; $j < 9; $j++) {
            $x = ($x + $c2[$j]) % 10;
            if ($x == 0) {
                $x = 10;
            }
            $x *= 2;
            $x %= 11;
        }
        $c3 = StringUtil::digitAt($tin, 10);
        $total = 11 - $x;
        if ($total == 10) {
            return $c3 == 0;
        }
        return $total == $c3;
    }

    public function isFollowRuleGermany2(string $tin)
    {
        return StringUtil::digitAt($tin, 10) == $this->calculateCheckDigit($tin);
    }

    public function calculateCheckDigit(string $idnrString)
    {
        $ten = 10;

        $eleven = 11;

        $chars = str_split($idnrString);
        $remainder_mod_ten = 0;

        $remainder_mod_eleven = 10;
        $digit = 0;
        for ($length = strlen($idnrString), $counter = 0; $counter < $length - 1; $counter++) {
            $digit = intval($chars[$counter]);
            $remainder_mod_ten = ($digit + $remainder_mod_eleven) % 10;
            if ($remainder_mod_ten == 0) {
                $remainder_mod_ten = 10;
            }
            $remainder_mod_eleven = 2 * $remainder_mod_ten % 11;
        }
        $digit = 11 - $remainder_mod_eleven;
        if ($digit == 10) {
            $digit = 0;
        }
        return $digit;
    }
}


1			<?php
2
3			namespace LeKoala\Tin\Algo;
4
5			use LeKoala\Tin\Util\StringUtil;
6
7			/**
8			* Germany
9			*/
10			class DEAlgorithm extends TINAlgorithm
11			{
12			const LENGTH_1 = 11;
13			const PATTERN_1 = "[1-9]\\d{10}";
14			const LENGTH_2 = 11;
15			const PATTERN_2 = "[1-9]\\d{10}";
16
17			public function validate(string $tin)
18			{
19			$normalizedTIN = str_replace("/", "", $tin);
20			if (!$this->isFollowLength($normalizedTIN)) {
21			return StatusCode::INVALID_LENGTH;
22			}
23			if ($this->isFollowLength($normalizedTIN) && !$this->isFollowPattern($normalizedTIN)) {
24			return StatusCode::INVALID_PATTERN;
25			}
26			if (!$this->isFollowRules($normalizedTIN)) {
27			return StatusCode::INVALID_SYNTAX;
28			}
29			return StatusCode::VALID;
30			}
31
32			public function isFollowLength(string $tin)
33			{
34			return $this->isFollowLength1($tin) \|\| $this->isFollowLength2($tin);
35			}
36
37			public function isFollowLength1(string $tin)
38			{
39			return StringUtil::isFollowLength($tin, self::LENGTH_1);
40			}
41
42			public function isFollowLength2(string $tin)
43			{
44			return StringUtil::isFollowLength($tin, self::LENGTH_2);
45			}
46
47			public function isFollowPattern(string $tin)
48			{
49			return $this->isFollowPattern1($tin) \|\| $this->isFollowPattern2($tin);
50			}
51
52			public function isFollowPattern1(string $tin)
53			{
54			if (!StringUtil::isFollowPattern($tin, self::PATTERN_1)) {
55			return false;
56			}
57			$tab = [];
58			$pos = [];
59			for ($i = 0; $i < 10; $i++) {
60			$tab[$i] = StringUtil::digitAt($tin, $i);
61			$pos[$i] = 0;
62			}
63			for ($j = 0; $j < 10; $j++) {
64			$pos[$tab[$j]]++;
65			}
66			$isEncounteredTwice2 = false;
67			$isEncountered0 = false;
68			for ($k = 0; $k < 10; $k++) {
69			if ($pos[$k] == 2) {
70			if ($isEncounteredTwice2) {
71			return false;
72			}
73			$isEncounteredTwice2 = true;
74			}
75			if ($pos[$k] == 0) {
76			if ($isEncountered0) {
77			return false;
78			}
79			$isEncountered0 = true;
80			}
81			}
82			return $isEncountered0;
83			}
84
85			public function isFollowPattern2(string $tin)
86			{
87			if (!StringUtil::isFollowPattern($tin, self::PATTERN_2)) {
88			return false;
89			}
90			$tab = [];
91			$pos = [];
92			for ($i = 0; $i < 10; $i++) {
93			$tab[$i] = StringUtil::digitAt($tin, $i);
94			$pos[$i] = 0;
95			}
96			for ($i = 0; $i < 8; $i++) {
97			if ($tab[$i] == $tab[$i + 1] && $tab[$i + 1] == $tab[$i + 2]) {
98			return false;
99			}
100			}
101			for ($j = 0; $j < 10; $j++) {
102			$pos[$tab[$j]]++;
103			}
104			$isEncounteredTwice2 = false;
105			$isEncounteredThrice3 = false;
106			for ($k = 0; $k < 10; $k++) {
107			if ($pos[$k] > 3) {
108			return false;
109			}
110			if ($pos[$k] == 3) {
111			if ($isEncounteredThrice3) {
112			return false;
113			}
114			$isEncounteredThrice3 = true;
115			}
116			if ($pos[$k] == 2) {
117			if ($isEncounteredTwice2) {
118			return false;
119			}
120			$isEncounteredTwice2 = true;
121			}
122			}
123			return $isEncounteredThrice3 \|\| $isEncounteredTwice2;
124			}
125
126			public function isFollowRules(string $tin)
127			{
128			return (self::LENGTH_1 == strlen($tin) && $this->isFollowRuleGermany1($tin)) \|\| $this->isFollowRuleGermany2($tin);
129			}
130
131			public function isFollowRuleGermany1(string $tin)
132			{
133			$c1 = StringUtil::digitAt($tin, 0);
134			$c2 = [];
135			for ($i = 0; $i < 9; $i++) {
136			$c2[$i] = StringUtil::digitAt($tin, $i + 1);
137			}
138			$result = ($c1 + 10) % 10;
139			if ($result == 0) {
140			$result = 10;
141			}
142			$result *= 2;
143			$x = $result % 11;
144			for ($j = 0; $j < 9; $j++) {
145			$x = ($x + $c2[$j]) % 10;
146			if ($x == 0) {
147			$x = 10;
148			}
149			$x *= 2;
150			$x %= 11;
151			}
152			$c3 = StringUtil::digitAt($tin, 10);
153			$total = 11 - $x;
154			if ($total == 10) {
155			return $c3 == 0;
156			}
157			return $total == $c3;
158			}
159
160			public function isFollowRuleGermany2(string $tin)
161			{
162			return StringUtil::digitAt($tin, 10) == $this->calculateCheckDigit($tin);
163			}
164
165			public function calculateCheckDigit(string $idnrString)
166			{
167			$ten = 10;
			0 ignored issues – show Unused Code introduced 2020-03-05 18:26 UTC by Report Bug Copy Issue Report The assignment to `$ten` is dead and can be removed. Loading history...
168			$eleven = 11;
			0 ignored issues – show Unused Code introduced 2020-03-05 18:26 UTC by Report Bug Copy Issue Report The assignment to `$eleven` is dead and can be removed. Loading history...
169			$chars = str_split($idnrString);
170			$remainder_mod_ten = 0;
			0 ignored issues – show Unused Code introduced 2020-03-05 18:26 UTC by Report Bug Copy Issue Report The assignment to `$remainder_mod_ten` is dead and can be removed. Loading history...
171			$remainder_mod_eleven = 10;
172			$digit = 0;
173			for ($length = strlen($idnrString), $counter = 0; $counter < $length - 1; $counter++) {
174			$digit = intval($chars[$counter]);
175			$remainder_mod_ten = ($digit + $remainder_mod_eleven) % 10;
176			if ($remainder_mod_ten == 0) {
177			$remainder_mod_ten = 10;
178			}
179			$remainder_mod_eleven = 2 * $remainder_mod_ten % 11;
180			}
181			$digit = 11 - $remainder_mod_eleven;
182			if ($digit == 10) {
183			$digit = 0;
184			}
185			return $digit;
186			}
187			}
188

lekoala / tin

DEAlgorithm::isFollowRuleGermany1() B last analyzed 2020-03-31 12:51 UTC

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DEAlgorithm::isFollowRuleGermany1() B
last analyzed 2020-03-31 12:51 UTC