API Convert SecurityAdmin to be a ModelAdmin

Co-authored-by: Maxime Rainville <[email protected]>

_config/routes.yml

@@ -13,6 +13,14 @@ SilverStripe\Control\Director:
       Permissions:
         CMS_ACCESS: CMS_ACCESS
 ---
+Name: member-import-routes
+Before:
+   - '#adminroutes'
+---
+SilverStripe\Control\Director:
+  rules:
+    'admin/member-import//$Action/$ID/$OtherID': 'SilverStripe\Admin\MemberImportController'
+---
 Name: adminroutes
 After:
   - '#rootroutes'

code/MemberImportController.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace SilverStripe\Admin;
+
+use SilverStripe\Control\Controller;
+use SilverStripe\Security\Permission;
+use SilverStripe\View\Requirements;
+
+class MemberImportController extends Controller
+{
+    private static $allowed_actions = [
+        'MemberImportForm',
+        'memberimport',
+        'GroupImportForm',
+        'groupimport',
+    ];
+
+    private static $url_segment = 'admin/member-import';
+
+    public function memberimport()
+    {
+        Requirements::clear();
+        Requirements::javascript('silverstripe/admin: client/dist/js/vendor.js');
+        Requirements::javascript('silverstripe/admin: client/dist/js/MemberImportForm.js');
+        Requirements::css('silverstripe/admin: client/dist/styles/bundle.css');
+        return $this->renderWith('BlankPage', [
+            'Form' => $this->MemberImportForm()->forTemplate(),
+            'Content' => ' '
+        ]);
+    }
+
+    public function MemberImportForm(): MemberImportForm
+    {
+        if (!Permission::check('ADMIN')) {
+            return null;
+        }
+        return new MemberImportForm($this, __FUNCTION__);
+    }
+
+    public function groupimport()
+    {
+        Requirements::clear();
+        Requirements::javascript('silverstripe/admin: client/dist/js/vendor.js');
+        Requirements::javascript('silverstripe/admin: client/dist/js/MemberImportForm.js');
+        Requirements::css('silverstripe/admin: client/dist/styles/bundle.css');
+        return $this->renderWith('BlankPage', [
+            'Content' => ' ',
+            'Form' => $this->GroupImportForm()->forTemplate()
+        ]);
+    }
+
+    public function GroupImportForm(): GroupImportForm
+    {
+        if (!Permission::check('ADMIN')) {
+            return null;
+        }
+        return new GroupImportForm($this, __FUNCTION__);
+    }
+}