init commit

api/app/Rules/IbgeEstado.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class IbgeEstado implements Rule
+{
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        self::isValid($value);
+    }
+
+    public static function isValid($value)
+    {
+        return !is_null($value) && strlen($value) === 2;
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return 'IBGE do estado inválido.';
+    }
+}