add CNS and CNS Temporary document

Author: tonicospinelli

src/Cns.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Brazanation\Documents;
+
+use Brazanation\Documents\Cns\CnsCalculator;
+use Brazanation\Documents\Cns\Temporary;
+
+final class Cns extends AbstractDocument
+{
+    const LENGTH = 15;
+
+    const LABEL = 'CNS';
+
+    const REGEX = '/^([\d]{3})([\d]{4})([\d]{4})([\d]{4})$/';
+
+    const FORMAT = '$1 $2 $3 $4';
+
+    const DIGIT_COUNT = 1;
+
+    /**
+     * @var DigitCalculable
+     */
+    private $calculator;
+
+    /**
+     * CNS constructor.
+     *
+     * @param string $number
+     */
+    public function __construct($number)
+    {
+        $number = preg_replace('/\D/', '', $number);
+        $this->defineCalculator($number);
+        parent::__construct($number, self::LENGTH, self::DIGIT_COUNT, self::LABEL);
+    }
+
+    public function defineCalculator($number)
+    {
+        $this->calculator = new CnsCalculator();
+        if (in_array(substr($number, 0, 1), [7, 8, 9])) {
+            $this->calculator = new Temporary($number);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function format()
+    {
+        return preg_replace(self::REGEX, self::FORMAT, "{$this}");
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function calculateDigit($baseNumber)
+    {
+        $digit = $this->calculator->calculateDigit($baseNumber);
+
+        return "{$digit}";
+    }
+}

src/Cns/CnsCalculator.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Brazanation\Documents\Cns;
+
+use Brazanation\Documents\DigitCalculable;
+use Brazanation\Documents\DigitCalculator;
+
+final class CnsCalculator implements DigitCalculable
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function calculateDigit($baseNumber)
+    {
+        $pis = substr($baseNumber, 0, 11);
+
+        $calculator = new DigitCalculator($pis);
+        $calculator->useComplementaryInsteadOfModule();
+        $calculator->replaceWhen('8', 10);
+        $calculator->replaceWhen('0', 11);
+        $calculator->withMultipliersInterval(5, 15);
+
+        $digit = $calculator->calculate();
+
+        return "{$digit}";
+    }
+}

src/Cns/Temporary.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Brazanation\Documents\Cns;
+
+use Brazanation\Documents\DigitCalculable;
+use Brazanation\Documents\DigitCalculator;
+
+class Temporary implements DigitCalculable
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function calculateDigit($baseNumber)
+    {
+        $calculator = new DigitCalculator($baseNumber);
+        $calculator->withMultipliersInterval(1, 15);
+
+        $digit = $calculator->calculate();
+
+        return "{$digit}";
+    }
+}

tests/CnsTest.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Brazanation\Documents\Tests;
+
+use Brazanation\Documents\Cns;
+
+class CnsTest extends DocumentTestCase
+{
+    public function createDocument($number)
+    {
+        return new Cns($number);
+    }
+
+    public function provideValidNumbers()
+    {
+        return [
+            ['242912018460005'],
+            ['202652786480004'],
+            ['130660713310009'],
+            ['161406744690005'],
+            ['131638083510018'],
+            ['153146911870018'],
+            ['126556169380018'],
+            ['112737911470018'],
+        ];
+    }
+
+    public function provideValidNumbersAndExpectedFormat()
+    {
+        return [
+            ['242912018460005', '242 9120 1846 0005'],
+        ];
+    }
+
+    public function provideEmptyData()
+    {
+        return [
+            [Cns::LABEL, ''],
+            [Cns::LABEL, null],
+            [Cns::LABEL, 0],
+        ];
+    }
+
+    public function provideInvalidNumber()
+    {
+        return [
+            [Cns::LABEL, 1],
+            [Cns::LABEL, '123123232323'],
+            [Cns::LABEL, '861238979874'],
+        ];
+    }
+}