From 72b99d67d4f68b727c386eb30bdd6b594143c31e Mon Sep 17 00:00:00 2001
From: ekondrat <d697ncel>
Date: Wed, 23 Oct 2019 13:35:14 -0300
Subject: [PATCH] =?UTF-8?q?Adicionando=20valida=C3=A7=C3=A3o=20do=20Cart?=
 =?UTF-8?q?=C3=A3o=20Nacional=20de=20Sa=C3=BAde?=
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---
 src/validator-docs/Validator.php         | 22 ++++++++++++++++
 src/validator-docs/ValidatorProvider.php |  1 +
 tests/TestValidator.php                  | 32 +++++++++++++++++++++++-
 3 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/src/validator-docs/Validator.php b/src/validator-docs/Validator.php
index ee9c6d9..f454008 100644
--- a/src/validator-docs/Validator.php
+++ b/src/validator-docs/Validator.php
@@ -191,4 +191,26 @@ protected function validateNis($attribute, $value)
 
         return ($nis[10] == (((10 * $d) % 11) % 10));
     }
+
+    protected function validateCns($attribute, $value)
+    {
+        // Remove não numericos
+        $cns = preg_replace('/[^\d]/', '', $value);
+
+        // CNS definitivo começam em 1 ou 2 / CNS provisórios em 7, 8 ou 9
+        if (preg_match("/[1-2][0-9]{10}00[0-1][0-9]/", $cns) || preg_match("/[7-9][0-9]{14}/", $cns)) {
+            return $this->somaPonderadaCns($cns) % 11 == 0;
+        }
+        return false;
+    }
+
+    private function somaPonderadaCns($value) {
+        $soma = 0;
+
+        for ($i = 0; $i < strlen($value); $i++) {
+            $soma += $value[$i] * (15 - $i);
+        }
+
+        return $soma;
+    }
 }
diff --git a/src/validator-docs/ValidatorProvider.php b/src/validator-docs/ValidatorProvider.php
index d62491f..b451d93 100644
--- a/src/validator-docs/ValidatorProvider.php
+++ b/src/validator-docs/ValidatorProvider.php
@@ -42,6 +42,7 @@ protected function getMessages()
             'cpf' => 'CPF inválido',
             'cpf_cnpj' => 'CPF ou CNPJ inválido',
             'nis' => 'PIS/PASEP/NIT/NIS inválido',
+            'cns' => 'Cartão Nacional de Saúde inválido',
             'formato_cnpj' => 'Formato inválido para CNPJ',
             'formato_cpf' => 'Formato inválido para CPF',
             'formato_cpf_cnpj' => 'Formato inválido para CPF ou CNPJ',
diff --git a/tests/TestValidator.php b/tests/TestValidator.php
index 56d96f1..7440540 100644
--- a/tests/TestValidator.php
+++ b/tests/TestValidator.php
@@ -145,7 +145,7 @@ public function testTituloEleitor()
 
         $this->assertTrue($incorrect->fails());
     }
-    
+
     public function testNis()
     {
         $correct = \Validator::make(
@@ -180,4 +180,34 @@ public function testNisFormato()
         $this->assertTrue($incorrect->fails());
     }
 
+    public function testCns()
+    {
+        // Definitiva
+        $correct = \Validator::make(
+            ['certo' => '116 3876 9194 0009'],
+            ['certo' => 'cns']
+        );
+
+        $incorrect = \Validator::make(
+            ['errado' => '116 5698 9194 0009'],
+            ['errado' => 'cns']
+        );
+
+        $this->assertTrue($correct->passes());
+        $this->assertTrue($incorrect->fails());
+
+        // Provisoria
+        $correct = \Validator::make(
+            ['certo' => '892 1623 5477 0008'],
+            ['certo' => 'cns']
+        );
+
+        $incorrect = \Validator::make(
+            ['errado' => '892 2641 5477 0008'],
+            ['errado' => 'cns']
+        );
+
+        $this->assertTrue($correct->passes());
+        $this->assertTrue($incorrect->fails());
+    }
 }