/**
* validate sync key
*
* @param ActiveSync_Model_Device $_device
* @param $_counter
* @param $_class
* @param $_collectionId
* @return boolean
*/
public function validateSyncKey(ActiveSync_Model_Device $_device, $_counter, $_class, $_collectionId = NULL)
{
$type = $_collectionId !== NULL ? $_class . '-' . $_collectionId : $_class;
$syncState = new ActiveSync_Model_SyncState(array('device_id' => $_device->getId(), 'counter' => $_counter, 'type' => $type));
try {
$syncState = $this->_syncStateBackend->get($syncState);
} catch (ActiveSync_Exception_SyncStateNotFound $asessnf) {
return false;
}
if (Tinebase_Core::isLogLevel(Zend_Log::TRACE)) {
Tinebase_Core::getLogger()->trace(__METHOD__ . '::' . __LINE__ . ' ' . print_r($syncState->toArray(), true));
}
// check if this was the latest syncKey
try {
$otherSyncState = clone $syncState;
$otherSyncState->counter++;
$otherSyncState = $this->_syncStateBackend->get($otherSyncState);
if (Tinebase_Core::isLogLevel(Zend_Log::INFO)) {
Tinebase_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . ' found more recent synckey');
}
if (Tinebase_Core::isLogLevel(Zend_Log::INFO)) {
Tinebase_Core::getLogger()->info(__METHOD__ . '::' . __LINE__ . ' ' . print_r($otherSyncState->toArray(), true));
}
// undelete marked entries
$contentStateFilter = new ActiveSync_Model_ContentStateFilter(array(array('field' => 'device_id', 'operator' => 'equals', 'value' => $_device->getId()), array('field' => 'class', 'operator' => 'equals', 'value' => $_class), array('field' => 'collectionid', 'operator' => 'equals', 'value' => $_collectionId), array('field' => 'is_deleted', 'operator' => 'equals', 'value' => true)));
$stateIds = $this->_contentStateBackend->search($contentStateFilter, null, true);
$this->_contentStateBackend->updateMultiple($stateIds, array('is_deleted' => 0));
// remove entries added during latest sync
$contentStateFilter = new ActiveSync_Model_ContentStateFilter(array(array('field' => 'device_id', 'operator' => 'equals', 'value' => $_device->getId()), array('field' => 'class', 'operator' => 'equals', 'value' => $_class), array('field' => 'collectionid', 'operator' => 'equals', 'value' => $_collectionId), array('field' => 'creation_time', 'operator' => 'after', 'value' => $syncState->lastsync)));
$stateIds = $this->_contentStateBackend->search($contentStateFilter, null, true);
$this->_contentStateBackend->delete($stateIds);
} catch (ActiveSync_Exception_SyncStateNotFound $asessnf) {
// finaly delete all entries marked for removal
$contentStateFilter = new ActiveSync_Model_ContentStateFilter(array(array('field' => 'device_id', 'operator' => 'equals', 'value' => $_device->getId()), array('field' => 'class', 'operator' => 'equals', 'value' => $_class), array('field' => 'collectionid', 'operator' => 'equals', 'value' => $_collectionId), array('field' => 'is_deleted', 'operator' => 'equals', 'value' => true)));
$stateIds = $this->_contentStateBackend->search($contentStateFilter, null, true);
$this->_contentStateBackend->delete($stateIds);
}
// remove all other synckeys
$this->_syncStateBackend->deleteOther($syncState);
if (!empty($syncState->pendingdata)) {
$syncState->pendingdata = Zend_Json::decode($syncState->pendingdata);
}
return $syncState;
}
