From 5e894f9f08045de57ced3b57cd6b4a6774c06447 Mon Sep 17 00:00:00 2001
From: Simon Vieille <simon@deblan.fr>
Date: Wed, 14 Oct 2020 16:14:50 +0200
Subject: [PATCH] add admin actions: remove cache, export configuration

---
 appinfo/routes.php                        | 12 +--
 lib/Controller/AdminSettingController.php | 92 +++++++++++++++++++++++
 src/l10n/fixtures/de.yaml                 |  2 +
 src/l10n/fixtures/fr.yaml                 |  2 +
 templates/settings/admin-form.php         | 26 ++++++-
 5 files changed, 128 insertions(+), 6 deletions(-)
 create mode 100644 lib/Controller/AdminSettingController.php

diff --git a/appinfo/routes.php b/appinfo/routes.php
index 90bb2be..1efd4b6 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -19,10 +19,12 @@
 
 return [
     'routes' => [
-		['name' => 'Css#stylesheet', 'url' => '/css/stylesheet', 'verb' => 'GET'],
-		['name' => 'Js#script', 'url' => '/js/script', 'verb' => 'GET'],
-		['name' => 'Js#config', 'url' => '/js/config', 'verb' => 'GET'],
-		['name' => 'Nav#items', 'url' => '/nav/items', 'verb' => 'GET'],
-		['name' => 'PersonalSetting#valueSet', 'url' => '/personalSetting/valueSet', 'verb' => 'POST'],
+        ['name' => 'Css#stylesheet', 'url' => '/css/stylesheet', 'verb' => 'GET'],
+        ['name' => 'Js#script', 'url' => '/js/script', 'verb' => 'GET'],
+        ['name' => 'Js#config', 'url' => '/js/config', 'verb' => 'GET'],
+        ['name' => 'Nav#items', 'url' => '/nav/items', 'verb' => 'GET'],
+        ['name' => 'PersonalSetting#valueSet', 'url' => '/personalSetting/valueSet', 'verb' => 'POST'],
+        ['name' => 'AdminSetting#removeCache', 'url' => '/admin/cache/remove', 'verb' => 'GET'],
+        ['name' => 'AdminSetting#exportConfiguration', 'url' => '/admin/config/export', 'verb' => 'GET'],
     ],
 ];
diff --git a/lib/Controller/AdminSettingController.php b/lib/Controller/AdminSettingController.php
new file mode 100644
index 0000000..0eb9b57
--- /dev/null
+++ b/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'
+        );
+    }
+}
diff --git a/src/l10n/fixtures/de.yaml b/src/l10n/fixtures/de.yaml
index 18fd5b4..b9d24ad 100644
--- a/src/l10n/fixtures/de.yaml
+++ b/src/l10n/fixtures/de.yaml
@@ -59,3 +59,5 @@
 "Use the avatar instead of the logo": "Verwenden Sie den Avatar anstelle des Logos"
 "You do not have permission to change the settings.": "Sie haben keine Berechtigung zum Ändern der Einstellungen."
 "Force this configuration to users": "Erzwingen Sie diese Konfiguration für Benutzer"
+"Export the configuration": "Exportieren Sie die Konfiguration"
+"Remove the cache": "Entfernen Sie den Cache"
diff --git a/src/l10n/fixtures/fr.yaml b/src/l10n/fixtures/fr.yaml
index 0f44280..5cceb82 100644
--- a/src/l10n/fixtures/fr.yaml
+++ b/src/l10n/fixtures/fr.yaml
@@ -59,3 +59,5 @@
 "Use the avatar instead of the logo": "Utiliser l'avatar à la place du logo"
 "You do not have permission to change the settings.": "Vous n'avez pas la permission de changer les paramètres."
 "Force this configuration to users": "Forcer cette configuration aux utilisateurs"
+"Export the configuration": "Exporter la configuration"
+"Remove the cache": "Supprimer le cache"
diff --git a/templates/settings/admin-form.php b/templates/settings/admin-form.php
index 47bee62..4442104 100644
--- a/templates/settings/admin-form.php
+++ b/templates/settings/admin-form.php
@@ -16,9 +16,16 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+use OCP\IURLGenerator;
+use OCP\IConfig;
+use OCA\SideMenu\AppInfo\Application;
+
 script('side_menu', 'admin');
 style('side_menu', 'admin');
 
+$urlGenerator = \OC::$server[IURLGenerator::class];
+$cacheSize = floor(mb_strlen(\OC::$server[IConfig::class]->getAppValue(Application::APP_ID, 'cache-categories', ''), '8bit') / 1024);
+
 $choicesYesNo = [
     'No' => '0',
     'Yes' => '1',
@@ -30,6 +37,7 @@ $choicesSizes = [
     'Normal' => 'normal',
     'Big' => 'big',
 ];
+
 ?>
 
 <div id="side-menu-section">
@@ -488,9 +496,25 @@ $choicesSizes = [
 
         <input type="hidden" id="side-menu-cache" name="cache" value="<?php print_unescaped($_['cache']); ?>" class="side-menu-setting">
 
-        <button id="side-menu-save" class="btn btn-primary"><?php p($l->t('Save')); ?></button>
+        <button id="side-menu-save" class="btn btn-info">
+            <?php p($l->t('Save')); ?>
+        </button>
 
         <span id="side-menu-message" class="msg"></span>
+    </div>
+
+    <div class="section" id="more">
+        <a href="<?php echo $urlGenerator->linkToRoute('side_menu.AdminSetting.exportConfiguration') ?>" target="_blank">
+            <button class="btn btn-primary" >
+                <?php p($l->t('Export the configuration')); ?>
+            </button>
+        </a>
+
+        <a href="<?php echo $urlGenerator->linkToRoute('side_menu.AdminSetting.removeCache') ?>">
+            <button class="btn btn-primary" >
+                <?php p($l->t('Remove the cache')); ?> (<?php echo $cacheSize ?> Kb)
+            </button>
+        </a>
 
         <div style="height: 30px"></div>