current code from svn, revision 62608

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/models/StudipCacheOperation.php b/lib/models/StudipCacheOperation.php
new file mode 100644
index 0000000..938a75a
--- /dev/null
+++ b/lib/models/StudipCacheOperation.php
@@ -0,0 +1,46 @@
+<?php
+/**
+ * Model for a stored cache operation.
+ *
+ * This model represents a stored cache operation when the used cache object
+ * was proxied. This occurs when the configured cache object failed to load
+ * correctly or when the configured cache cannot be used in the respective
+ * environment. In CLI mode, some caches may not be used since the
+ * surrounding web server component is missing.
+ *
+ * @author  Jan-Hendrik Willms <tleilax+studip@gmail.com>
+ * @license GPL2 or any later version
+ * @since   Stud.IP 3.3
+ */
+class StudipCacheOperation extends SimpleORMap
+{
+    /**
+     * Configures the model.
+     *
+     * @param Array $config The config settings
+     */
+    public static function configure($config = [])
+    {
+        $config['db_table'] = 'cache_operations';
+
+        parent::configure($config);
+    }
+
+    /**
+     * Applies any pending cache operation to the passed cache object.
+     * The operations are applied in chronological order and are deleted
+     * from the database after they have been applied.
+     *
+     * @param StudipCache $cache The cache object to apply the operations to
+     */
+    public static function apply(StudipCache $cache)
+    {
+        self::findEachBySQL(function ($item) use ($cache) {
+            $parameters = unserialize($item->parameters);
+            array_unshift($parameters, $item->cache_key);
+            call_user_func_array([$cache, $item->operation], $parameters);
+
+            $item->delete();
+        }, '1 ORDER BY chdate ASC');
+    }
+}