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

ITAlgorithm::convertOddCharacter() D
last analyzed 2020-03-31 12:51 UTC

↳ Parent: ITAlgorithm

Complexity

Conditions	38
Paths	74

Size

Total Lines	71
Code Lines	68

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	38
eloc	68
c	1
b	0
f	0
nc	74
nop	1
dl	0
loc	71
rs	4.1666

How to fix Long Method Complexity

<?php

namespace LeKoala\Tin\Algo;

use LeKoala\Tin\Exception\TINException;
use LeKoala\Tin\Util\DateUtil;
use LeKoala\Tin\Util\StringUtil;

/**
 * Italy
 */
class ITAlgorithm extends TINAlgorithm
{
    const LENGTH = 16;
    const PATTERN = "[a-zA-Z]{6}[LMNPQRSTUVlmnpqrstuv0-9]{2}[ABCDEHLMPRSTabcdehlmprst]([0Ll][1-9]|[1Mm2Nn4Qq5Rr6Ss][0-9]|[3Pp7Tt][0-1])[a-zA-Z][LMNPQRSTUVlmnpqrstuv0-9]{3}[a-zA-Z]";
    const IT_ID_LIST_PATH = "/resources/IT_ID_list";
    private static $listSet = [];

    public function __construct()
    {
        $filename = dirname(dirname(__DIR__)) . self::IT_ID_LIST_PATH;
        if (!is_file($filename) || !is_readable($filename)) {
            throw new TINException("Could not read resource file");
        }
        $arr = file($filename, FILE_IGNORE_NEW_LINES);
        self::$listSet = $arr;
    }

    public static function setResultDateValidation($set)
    {
        self::$listSet = $set;
    }

    public function validate(string $tin)
    {
        if (!$this->isFollowLength($tin)) {
            return StatusCode::INVALID_LENGTH;
        }
        if (!$this->isFollowPattern($tin) || !$this->isValidDate($tin)) {
            return StatusCode::INVALID_PATTERN;
        }
        if (!$this->isFollowRules($tin)) {
            return StatusCode::INVALID_SYNTAX;
        }
        return StatusCode::VALID;
    }

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

    public function isFollowPattern(string $tin)
    {
        $code = StringUtil::substring($tin, 11, 12) . $this->convertCharToNumber(StringUtil::substring($tin, 12, 15));

        $containsUpper = in_array(strtoupper($code), self::$listSet);
        $containsLower = in_array(strtolower($code), self::$listSet);
        $matchPattern = StringUtil::isFollowPattern($tin, self::PATTERN);

        return ($containsUpper || $containsLower) && $matchPattern;
    }

    public function isFollowRules(string $tin)
    {
        return $this->isFollowRuleItalia($tin);
    }

    public function isFollowRuleItalia(string $tin)
    {
        $sum = 0;
        for ($i = 0; $i < 15; $i++) {
            if ($i % 2 == 0) {
                $sum += $this->convertOddCharacter($tin[$i]);
            } else {
                $sum += $this->convertEvenCharacter($tin[$i]);
            }
        }
        $remainderBy26 = $sum % 26;
        $c16 = $tin[15];
        $check = StringUtil::getAlphabeticalPosition($c16) - 1;

        return $remainderBy26 == $check;
    }

    protected function convertEvenCharacter(string $c)
    {
        if (is_numeric($c)) {
            return intval($c);
        }
        return StringUtil::getAlphabeticalPosition($c) - 1;
    }

    protected function convertOddCharacter(string $c)
    {
        $normalizedChar = $c;
        if (!is_numeric($normalizedChar)) {
            $normalizedChar = strtoupper($normalizedChar);
        }
        switch ($normalizedChar) {
            case '0':
            case 'A':
                return 1;
            case '1':
            case 'B':
                return 0;
            case '2':
            case 'C':
                return 5;
            case '3':
            case 'D':
                return 7;
            case '4':
            case 'E':
                return 9;
            case '5':
            case 'F':
                return 13;
            case '6':
            case 'G':
                return 15;
            case '7':
            case 'H':
                return 17;
            case '8':
            case 'I':
                return 19;
            case '9':
            case 'J':
                return 21;
            case 'K':
                return 2;
            case 'L':
                return 4;
            case 'M':
                return 18;
            case 'N':
                return 20;
            case 'O':
                return 11;
            case 'P':
                return 3;
            case 'Q':
                return 6;
            case 'R':
                return 8;
            case 'S':
                return 12;
            case 'T':
                return 14;
            case 'U':
                return 16;
            case 'V':
                return 10;
            case 'W':
                return 22;
            case 'X':
                return 25;
            case 'Y':
                return 24;
            case 'Z':
                return 23;
            default:
                return -1;
        }
    }

    protected function getMonthNumber(string $m)
    {
        switch (strtoupper($m)) {
            case 'A':
                return 1;
            case 'B':
                return 2;
            case 'C':
                return 3;
            case 'D':
                return 4;
            case 'E':
                return 5;
            case 'H':
                return 6;
            case 'L':
                return 7;
            case 'M':
                return 8;
            case 'P':
                return 9;
            case 'R':
                return 10;
            case 'S':
                return 11;
            case 'T':
                return 12;
            default:
                return -1;
        }
    }

    private function isValidDate(string $tin)
    {
        $day = intval($this->convertCharToNumber(StringUtil::substring($tin, 9, 11)));
        $c9 = $tin[8];
        $month = $this->getMonthNumber($c9);
        $year = intval($this->convertCharToNumber(StringUtil::substring($tin, 6, 8)));
        if ($day >= 1 && $day <= 31) {
            return DateUtil::validate(1900 + $year, $month, $day) || DateUtil::validate(2000 + $year, $month, $day);
        }
        return $day >= 41 && $day <= 71 && (DateUtil::validate(1900 + $year, $month, $day - 40) || DateUtil::validate(2000 + $year, $month, $day - 40));
    }

    private function convertCharToNumber($oldStr)
    {
        $newStr = '';
        for ($i = 0; $i < strlen($oldStr); $i++) {
            if (!is_numeric($oldStr[$i])) {
                $newStr .= $this->getNumberFromChar($oldStr[$i]);
            } else {
                $newStr .= $oldStr[$i];
            }
        }
        return $newStr;
    }

    protected function getNumberFromChar($m)
    {
        switch (strtoupper($m)) {
            case 'L':
                return 0;
            case 'M':
                return 1;
            case 'N':
                return 2;
            case 'P':
                return 3;
            case 'Q':
                return 4;
            case 'R':
                return 5;
            case 'S':
                return 6;
            case 'T':
                return 7;
            case 'U':
                return 8;
            case 'V':
                return 9;
            default:
                return -1;
        }
    }
}


1			<?php
2
3			namespace LeKoala\Tin\Algo;
4
5			use LeKoala\Tin\Exception\TINException;
6			use LeKoala\Tin\Util\DateUtil;
7			use LeKoala\Tin\Util\StringUtil;
8
9			/**
10			* Italy
11			*/
12			class ITAlgorithm extends TINAlgorithm
13			{
14			const LENGTH = 16;
15			const PATTERN = "[a-zA-Z]{6}[LMNPQRSTUVlmnpqrstuv0-9]{2}[ABCDEHLMPRSTabcdehlmprst]([0Ll][1-9]\|[1Mm2Nn4Qq5Rr6Ss][0-9]\|[3Pp7Tt][0-1])[a-zA-Z][LMNPQRSTUVlmnpqrstuv0-9]{3}[a-zA-Z]";
16			const IT_ID_LIST_PATH = "/resources/IT_ID_list";
17			private static $listSet = [];
18
19			public function __construct()
20			{
21			$filename = dirname(dirname(__DIR__)) . self::IT_ID_LIST_PATH;
22			if (!is_file($filename) \|\| !is_readable($filename)) {
23			throw new TINException("Could not read resource file");
24			}
25			$arr = file($filename, FILE_IGNORE_NEW_LINES);
26			self::$listSet = $arr;
27			}
28
29			public static function setResultDateValidation($set)
30			{
31			self::$listSet = $set;
32			}
33
34			public function validate(string $tin)
35			{
36			if (!$this->isFollowLength($tin)) {
37			return StatusCode::INVALID_LENGTH;
38			}
39			if (!$this->isFollowPattern($tin) \|\| !$this->isValidDate($tin)) {
40			return StatusCode::INVALID_PATTERN;
41			}
42			if (!$this->isFollowRules($tin)) {
43			return StatusCode::INVALID_SYNTAX;
44			}
45			return StatusCode::VALID;
46			}
47
48			public function isFollowLength(string $tin)
49			{
50			return StringUtil::isFollowLength($tin, self::LENGTH);
51			}
52
53			public function isFollowPattern(string $tin)
54			{
55			$code = StringUtil::substring($tin, 11, 12) . $this->convertCharToNumber(StringUtil::substring($tin, 12, 15));
56
57			$containsUpper = in_array(strtoupper($code), self::$listSet);
58			$containsLower = in_array(strtolower($code), self::$listSet);
59			$matchPattern = StringUtil::isFollowPattern($tin, self::PATTERN);
60
61			return ($containsUpper \|\| $containsLower) && $matchPattern;
62			}
63
64			public function isFollowRules(string $tin)
65			{
66			return $this->isFollowRuleItalia($tin);
67			}
68
69			public function isFollowRuleItalia(string $tin)
70			{
71			$sum = 0;
72			for ($i = 0; $i < 15; $i++) {
73			if ($i % 2 == 0) {
74			$sum += $this->convertOddCharacter($tin[$i]);
75			} else {
76			$sum += $this->convertEvenCharacter($tin[$i]);
77			}
78			}
79			$remainderBy26 = $sum % 26;
80			$c16 = $tin[15];
81			$check = StringUtil::getAlphabeticalPosition($c16) - 1;
82
83			return $remainderBy26 == $check;
84			}
85
86			protected function convertEvenCharacter(string $c)
87			{
88			if (is_numeric($c)) {
89			return intval($c);
90			}
91			return StringUtil::getAlphabeticalPosition($c) - 1;
92			}
93
94			protected function convertOddCharacter(string $c)
95			{
96			$normalizedChar = $c;
97			if (!is_numeric($normalizedChar)) {
98			$normalizedChar = strtoupper($normalizedChar);
99			}
100			switch ($normalizedChar) {
101			case '0':
102			case 'A':
103			return 1;
104			case '1':
105			case 'B':
106			return 0;
107			case '2':
108			case 'C':
109			return 5;
110			case '3':
111			case 'D':
112			return 7;
113			case '4':
114			case 'E':
115			return 9;
116			case '5':
117			case 'F':
118			return 13;
119			case '6':
120			case 'G':
121			return 15;
122			case '7':
123			case 'H':
124			return 17;
125			case '8':
126			case 'I':
127			return 19;
128			case '9':
129			case 'J':
130			return 21;
131			case 'K':
132			return 2;
133			case 'L':
134			return 4;
135			case 'M':
136			return 18;
137			case 'N':
138			return 20;
139			case 'O':
140			return 11;
141			case 'P':
142			return 3;
143			case 'Q':
144			return 6;
145			case 'R':
146			return 8;
147			case 'S':
148			return 12;
149			case 'T':
150			return 14;
151			case 'U':
152			return 16;
153			case 'V':
154			return 10;
155			case 'W':
156			return 22;
157			case 'X':
158			return 25;
159			case 'Y':
160			return 24;
161			case 'Z':
162			return 23;
163			default:
164			return -1;
165			}
166			}
167
168			protected function getMonthNumber(string $m)
169			{
170			switch (strtoupper($m)) {
171			case 'A':
172			return 1;
173			case 'B':
174			return 2;
175			case 'C':
176			return 3;
177			case 'D':
178			return 4;
179			case 'E':
180			return 5;
181			case 'H':
182			return 6;
183			case 'L':
184			return 7;
185			case 'M':
186			return 8;
187			case 'P':
188			return 9;
189			case 'R':
190			return 10;
191			case 'S':
192			return 11;
193			case 'T':
194			return 12;
195			default:
196			return -1;
197			}
198			}
199
200			private function isValidDate(string $tin)
201			{
202			$day = intval($this->convertCharToNumber(StringUtil::substring($tin, 9, 11)));
203			$c9 = $tin[8];
204			$month = $this->getMonthNumber($c9);
205			$year = intval($this->convertCharToNumber(StringUtil::substring($tin, 6, 8)));
206			if ($day >= 1 && $day <= 31) {
207			return DateUtil::validate(1900 + $year, $month, $day) \|\| DateUtil::validate(2000 + $year, $month, $day);
208			}
209			return $day >= 41 && $day <= 71 && (DateUtil::validate(1900 + $year, $month, $day - 40) \|\| DateUtil::validate(2000 + $year, $month, $day - 40));
210			}
211
212			private function convertCharToNumber($oldStr)
213			{
214			$newStr = '';
215			for ($i = 0; $i < strlen($oldStr); $i++) {
216			if (!is_numeric($oldStr[$i])) {
217			$newStr .= $this->getNumberFromChar($oldStr[$i]);
218			} else {
219			$newStr .= $oldStr[$i];
220			}
221			}
222			return $newStr;
223			}
224
225			protected function getNumberFromChar($m)
226			{
227			switch (strtoupper($m)) {
228			case 'L':
229			return 0;
230			case 'M':
231			return 1;
232			case 'N':
233			return 2;
234			case 'P':
235			return 3;
236			case 'Q':
237			return 4;
238			case 'R':
239			return 5;
240			case 'S':
241			return 6;
242			case 'T':
243			return 7;
244			case 'U':
245			return 8;
246			case 'V':
247			return 9;
248			default:
249			return -1;
250			}
251			}
252			}
253

lekoala / tin

ITAlgorithm::convertOddCharacter() D last analyzed 2020-03-31 12:51 UTC

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ITAlgorithm::convertOddCharacter() D
last analyzed 2020-03-31 12:51 UTC