Move G-Auth import logic from controller to service

app/Exceptions/Handler.php

@@ -60,6 +60,11 @@ class Handler extends ExceptionHandler
                 'message' => $exception->getMessage()], 400);
         });
 
+        $this->renderable(function (InvalidGoogleAuthMigration $exception, $request) {
+            return response()->json([
+                'message' => __('errors.invalid_google_auth_migration')], 400);
+        });
+
         $this->renderable(function (\Illuminate\Auth\AuthenticationException $exception, $request) {
             if ($exception->guards() === ['reverse-proxy-guard']) {
                 return response()->json([

app/Exceptions/InvalidGoogleAuthMigration.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Exceptions;
+
+use Exception;
+
+/**
+ * Class UndecipherableException.
+ *
+ * @codeCoverageIgnore
+ */
+class InvalidGoogleAuthMigration extends Exception
+{
+}