Completed
Pull Request — master (#19)
by Antonio Oertel
03:06
created

Eleven::calculateDigit()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 10
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 1
Metric Value
c 1
b 0
f 1
dl 0
loc 10
ccs 6
cts 6
cp 1
rs 9.4285
cc 1
eloc 6
nc 1
nop 1
crap 1
1
<?php
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namespace Brazanation\Documents\StateRegistration\Tocantins;
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use Brazanation\Documents\DigitCalculator;
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use Brazanation\Documents\StateRegistration\State;
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use Brazanation\Documents\StateRegistration\Tocantins;
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class Eleven extends State
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{
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    const REGEX = '/^(\d{2})(\d{2})(\d{3})(\d{3})(\d{1})$/';
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    const FORMAT = '$1.$2.$3.$4-$5';
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    const LENGTH = 11;
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    const DIGITS_COUNT = 1;
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    public function __construct()
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    {
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        parent::__construct(Tocantins::LONG_NAME, self::LENGTH, self::DIGITS_COUNT, self::REGEX, self::FORMAT);
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function extractBaseNumber($number)
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    {
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        $baseNumber = parent::extractBaseNumber($number);
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        return $this->removeFixedDigits($baseNumber);
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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_TO.html
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     */
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    public function calculateDigit($baseNumber)
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    {
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        $calculator = new DigitCalculator($baseNumber);
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        $calculator->useComplementaryInsteadOfModule();
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        $calculator->replaceWhen('0', 10, 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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     * Removes digits should not goes to calculate digit.
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     *
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     * They digits are in position 3 and 4.
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     *
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     * @param string $baseNumber Base number.
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     *
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     * @return string Returns base number without fixed digits.
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     */
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    private function removeFixedDigits($baseNumber)
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    {
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        return substr($baseNumber, 0, 2) . substr($baseNumber, 4);
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    }
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}
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