From d08cb11137116a7f3a98adb48750b6edccf68abe Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 15 May 2012 13:57:27 +0200
Subject: [PATCH] Fixed working with disabled kolab_cache

---
 plugins/libkolab/lib/kolab_storage_cache.php | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/plugins/libkolab/lib/kolab_storage_cache.php b/plugins/libkolab/lib/kolab_storage_cache.php
index 9f9431c6..19a48157 100644
--- a/plugins/libkolab/lib/kolab_storage_cache.php
+++ b/plugins/libkolab/lib/kolab_storage_cache.php
@@ -82,7 +82,8 @@ class kolab_storage_cache
             return;
 
         // lock synchronization for this folder or wait if locked
-        $this->_sync_lock();
+        if (!$this->_sync_lock())
+            return;
 
         // synchronize IMAP mailbox cache
         $this->imap->folder_sync($this->folder->name);
@@ -186,7 +187,7 @@ class kolab_storage_cache
             kolab_storage::get_folder($foldername)->cache->set($msguid, $object);
             return;
         }
-        
+
         // write to cache
         if ($this->ready) {
             // remove old entry
@@ -303,7 +304,7 @@ class kolab_storage_cache
             $filter = $this->_query2assoc($query);
 
             // use 'list' for folder's default objects
-            if ($filter['type'] == $this->type) {
+            if ($filter['type'] == $this->type && !empty($this->index)) {
                 $index = $this->index;
             }
             else {  // search by object type
@@ -483,7 +484,7 @@ class kolab_storage_cache
     private function _sync_lock()
     {
         if (!$this->ready)
-            return;
+            return false;
 
         $sql_arr = $this->db->fetch_assoc($this->db->query(
             "SELECT msguid AS locked FROM kolab_cache ".
@@ -517,6 +518,8 @@ class kolab_storage_cache
                 'lock'
             );
         }
+
+        return true;
     }
 
     /**