init commit

api/app/Rules/Apac/CodigoEmissor.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Rules\Apac;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class CodigoEmissor implements Rule
+{
+    public function passes($attribute, $value)
+    {
+        return self::isValid($value);
+    }
+
+    public static function isValid($value)
+    {
+        return !is_null($value) && strlen($value) === 10;
+    }
+
+    public function message()
+    {
+        return 'Código do emissor inválido.';
+    }
+}