add admin actions: remove cache, export configuration

lib/Controller/AdminSettingController.php

@@ -0,0 +1,92 @@
+<?php
+/**
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\SideMenu\Controller;
+
+use OCA\SideMenu\AppInfo\Application;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\DataDownloadResponse;
+use OCP\AppFramework\Http\RedirectResponse;
+use OCP\AppFramework\Http\Response;
+use OCP\IConfig;
+use OCP\IRequest;
+use OCP\IURLGenerator;
+
+class AdminSettingController extends Controller
+{
+    /**
+     * @var IConfig
+     */
+    protected $config;
+
+    /**
+     * @var IURLGenerator
+     */
+    protected $urlGenerator;
+
+    public function __construct($appName, IRequest $request, IConfig $config, IURLGenerator $urlGenerator)
+    {
+        parent::__construct($appName, $request);
+
+        $this->config = $config;
+        $this->urlGenerator = $urlGenerator;
+    }
+
+    /**
+     * @NoCSRFRequired
+     *
+     * @return RedirectResponse
+     */
+    public function removeCache()
+    {
+        $this->config->setAppValue(Application::APP_ID, 'cache-categories', '[]');
+
+        return new RedirectResponse($this->urlGenerator->linkToRoute('settings.AdminSettings.index', [
+            'section' => Application::APP_ID,
+        ]).'#more');
+    }
+
+    /**
+     * @NoCSRFRequired
+     *
+     * @return Response
+     */
+    public function exportConfiguration()
+    {
+        $keys = $this->config->getAppKeys(Application::APP_ID);
+        $config = [];
+        $excludedKeys = [
+            'cache',
+            'cache-categories',
+        ];
+
+        foreach ($keys as $key) {
+            if (in_array($key, $excludedKeys)) {
+                continue;
+            }
+
+            $config[$key] = $this->config->getAppValue(Application::APP_ID, $key);
+        }
+
+        return new DataDownloadResponse(
+            json_encode($config, JSON_PRETTY_PRINT),
+            'config.json',
+            'text/json'
+        );
+    }
+}