init commit

api/app/Rules/Sigtap/CidIsValidForSexo.php

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+<?php
+
+namespace App\Rules\Sigtap;
+
+use Illuminate\Contracts\Validation\Rule;
+use Illuminate\Support\Facades\DB;
+
+class CidIsValidForSexo implements Rule
+{
+    private $sexo;
+
+    public function __construct($sexo)
+    {
+        $this->sexo = $sexo;
+    }
+
+    public function passes($attribute, $value)
+    {
+        return self::isValid($this->sexo, $value);
+    }
+
+    public static function isValid($sexo, $value)
+    {
+        return DB::table('sigtap.cid')->where('id', $value)
+            ->where(function($query) use ($sexo) {
+                $query->where('sexo', 'I')
+                    ->orWhere('sexo', 'N')
+                    ->orWhere('sexo', $sexo);
+            })
+            ->exists();
+    }
+
+    public function message()
+    {
+        return 'CID inválido para o sexo informado.';
+    }
+}