refactor: [WIP] Migrate install controller.

Signed-off-by: Rubén D <nuxsmin@syspass.org>

app/modules/web/Controllers/Install/IndexController.php

@@ -0,0 +1,68 @@
+<?php
+/*
+ * sysPass
+ *
+ * @author nuxsmin
+ * @link https://syspass.org
+ * @copyright 2012-2022, Rubén Domínguez nuxsmin@$syspass.org
+ *
+ * This file is part of sysPass.
+ *
+ * sysPass is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * sysPass is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with sysPass.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace SP\Modules\Web\Controllers\Install;
+
+use SP\Core\Exceptions\SPException;
+use SP\Core\Language;
+use SP\Modules\Web\Controllers\ControllerBase;
+use SP\Mvc\View\Components\SelectItemAdapter;
+
+/**
+ * Class IndexController
+ *
+ * @package SP\Modules\Web\Controllers
+ */
+final class IndexController extends ControllerBase
+{
+    public function indexAction(): void
+    {
+        if ($this->configData->isInstalled()) {
+            $this->router->response()->redirect('index.php?r=login');
+
+            return;
+        }
+
+        $this->layoutHelper->getPublicLayout('index', 'install');
+
+        $errors = [];
+
+        foreach ($this->extensionChecker->getMissing() as $module) {
+            $errors[] = [
+                'type'        => SPException::WARNING,
+                'description' => sprintf('%s (%s)', __('Module unavailable'), $module),
+                'hint'        => __('Without this module the application could not run correctly'),
+            ];
+        }
+
+        $this->view->assign('errors', $errors);
+        $this->view->assign(
+            'langs',
+            SelectItemAdapter::factory(Language::getAvailableLanguages())
+                ->getItemsFromArraySelected([Language::$globalLang])
+        );
+
+        $this->view();
+    }
+}