Completed
Pull Request — master (#19)
by Antonio Oertel
03:14
created

Urban::calculateFirstDigit()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 11
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 1
Metric Value
c 1
b 0
f 1
dl 0
loc 11
ccs 8
cts 8
cp 1
rs 9.4285
cc 1
eloc 8
nc 1
nop 1
crap 1
1
<?php
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namespace Brazanation\Documents\StateRegistration\SaoPaulo;
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use Brazanation\Documents\DigitCalculator;
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use Brazanation\Documents\StateRegistration\State;
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class Urban extends State
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{
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    const LABEL = 'SaoPaulo';
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    const REGEX = '/^(\d{3})(\d{3})(\d{3})(\d{3})$/';
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    const FORMAT = '$1.$2.$3.$4';
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    const LENGTH = 12;
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    const DIGITS_COUNT = 1;
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    public function __construct()
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    {
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        parent::__construct(self::LABEL, self::LENGTH, self::DIGITS_COUNT, self::REGEX, self::FORMAT);
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    }
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    /**
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     * {@inheritdoc}
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     *
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     * No extract any digit
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     */
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    public function extractBaseNumber($number)
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    {
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        return $number;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function extractCheckerDigit($number)
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    {
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        return substr($number, self::LENGTH - 4, 1) . substr($number, -1);
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    }
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    /**
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     * {@inheritdoc}
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     *
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     * @see http://www.sintegra.gov.br/Cad_Estados/cad_SP.html
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     */
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    public function calculateDigit($baseNumber)
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    {
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        $firstBaseNumber = substr($baseNumber, 0, 8);
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        $firstDigit = $this->calculateFirstDigit($firstBaseNumber);
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        $secondBaseNumber = "{$firstBaseNumber}{$firstDigit}" . substr($baseNumber, -3, 2);
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        $secondDigit = $this->calculateSecondDigit($secondBaseNumber);
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        return "{$firstDigit}{$secondDigit}";
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    }
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    private function calculateFirstDigit($baseNumber)
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    {
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        $calculator = new DigitCalculator($baseNumber);
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        $calculator->withMultipliers([10, 8, 7, 6, 5, 4, 3, 1]);
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        $calculator->replaceWhen('0', 10);
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        $calculator->replaceWhen('1', 11);
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        $calculator->withModule(DigitCalculator::MODULE_11);
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        $digit = $calculator->calculate();
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        return "{$digit}";
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    }
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    private function calculateSecondDigit($baseNumber)
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    {
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        $calculator = new DigitCalculator($baseNumber);
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        $calculator->withMultipliersInterval(2, 10);
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        $calculator->replaceWhen('0', 10);
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        $calculator->replaceWhen('1', 11);
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        $calculator->withModule(DigitCalculator::MODULE_11);
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        $digit = $calculator->calculate();
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        return "{$digit}";
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    }
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}
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