current code from svn, revision 62608

1 files changed, 144 insertions, 0 deletions

diff --git a/app/controllers/admin/cache.php b/app/controllers/admin/cache.php
new file mode 100644
index 0000000..604718b
--- /dev/null
+++ b/app/controllers/admin/cache.php
@@ -0,0 +1,144 @@
+<?php
+/**
+ * cache.php
+ * Controller for managing system cache.
+ *
+ * This program 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 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Thomas Hackl <studip@thomas-hackl.name>
+ * @copyright   2020 Stud.IP Core-Group
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ * @category    Stud.IP
+ * @since       5.0
+ */
+
+class Admin_CacheController extends AuthenticatedController
+{
+
+    public function before_filter(&$action, &$args)
+    {
+        parent::before_filter($action, $args);
+
+        // Check permissions to be on this site
+        if (!$GLOBALS['perm']->have_perm('root')) {
+            throw new AccessDeniedException();
+        }
+        PageLayout::setTitle(_('Cache'));
+        Navigation::activateItem('/admin/config/cache');
+
+        $this->enabled = $GLOBALS['CACHING_ENABLE'];
+
+        $this->sidebar = Sidebar::get();
+        $views = new ViewsWidget();
+        $views->addLink(
+            _('Verwaltung'),
+            $this->url_for('admin/cache/settings')
+        )->setActive($action === 'settings');
+
+        if ($this->enabled) {
+            $views->addLink(
+                _('Statistiken'),
+                $this->url_for('admin/cache/stats')
+            )->setActive($action === 'stats');
+        }
+
+        $this->sidebar->addWidget($views);
+
+        if ($this->enabled) {
+            $actions = new ActionsWidget();
+            $actions->addLink(
+                _('Cache leeren'),
+                $this->url_for('admin/cache/flush'),
+                Icon::create('decline'),
+                ['data-confirm' => _('Soll der gesamte Inhalt des Caches wirklich gelöscht werden?')]
+            );
+            $this->sidebar->addWidget($actions);
+        }
+    }
+
+    /**
+     * Show all available cache types.
+     */
+    public function settings_action()
+    {
+        if ($this->enabled) {
+            $this->types = CacheType::findAndMapBySQL(function (CacheType $type) {
+                return $type->toArray();
+            }, "1 ORDER BY `cache_id`");
+
+            $currentCache = Config::get()->SYSTEMCACHE;
+            $currentCacheClass = CacheType::findOneByClass_name($currentCache['type']);
+            $this->cache = $currentCacheClass->class_name;
+            $this->config = $currentCacheClass->class_name::getConfig();
+        } else {
+            PageLayout::postWarning(
+                _('Caching ist systemweit ausgeschaltet, daher kann hier nichts konfiguriert werden.'));
+        }
+    }
+
+    /**
+     * Fetches necessary configuration for given cache type.
+     *
+     * @param string $className
+     */
+    public function get_config_action($className)
+    {
+        $type = CacheType::findOneByClass_name($className);
+
+        $this->render_json($type->class_name::getConfig());
+    }
+
+    /**
+     * Stores cache settings to global config.
+     */
+    public function store_settings_action()
+    {
+        // Take the whole Request object as array ...
+        $request = Request::getInstance()->getIterator()->getArrayCopy();
+
+        // ... remove cachetype entry as this is saved separately ...
+        unset($request['cachetype']);
+
+        // ... and use the rest of the request as cache config.
+        $settings = [
+            'type' => Request::get('cachetype'),
+            'config' => $request
+        ];
+
+        // Store settings to global config.
+        if (Config::get()->store('SYSTEMCACHE', $settings)) {
+            PageLayout::postSuccess(_('Die Einstellungen wurden gespeichert.'));
+            StudipCacheFactory::unconfigure();
+        } else {
+            PageLayout::postError(_('Die Einstellungen konnten nicht gespeichert werden.'));
+        }
+
+        $this->relocate('admin/cache/settings');
+    }
+
+    /**
+     * Flush all cache content.
+     */
+    public function flush_action()
+    {
+        $cache = StudipCacheFactory::getCache();
+        $cache->flush();
+
+        PageLayout::postSuccess(_('Die Inhalte des Caches wurden gelöscht.'));
+
+        $this->relocate('admin/cache/settings');
+    }
+
+    /**
+     * Show cache statistics.
+     */
+    public function stats_action()
+    {
+        $cache = StudipCacheFactory::getCache();
+
+        $this->stats = $cache->getStats();
+    }
+}