/**
* Clean database by deleting some expired data
*/
protected function cleanDatabase()
{
// clean expired membership levels
bx_import('BxDolAcl');
$oAcl = BxDolAcl::getInstance();
$iDeleteMemLevels = $oAcl ? $oAcl->maintenance() : 0;
//--- Clean sessions ---//
bx_import('BxDolSession');
$oSession = BxDolSession::getInstance();
$iSessions = $oSession ? $oSession->maintenance() : 0;
// clean old views
bx_import('BxDolView');
$iDeletedViews = BxDolView::maintenance();
// clean storage engine expired private file tokens
bx_import('BxDolStorage');
$iDeletedExpiredTokens = BxDolStorage::pruning();
// clean outdated transcoded images
bx_import('BxDolImageTranscoder');
$iDeletedTranscodedImages = BxDolImageTranscoder::pruning();
// clean expired keys
bx_import('BxDolKey');
$oKey = BxDolKey::getInstance();
$iDeletedKeys = $oKey ? $oKey->prune() : 0;
// clean old votes
bx_import('BxDolVote');
$iDeletedVotes = BxDolVote::maintenance();
echo _t('_sys_pruning_db', $iDeleteMemLevels, $iSessions, $iDeletedViews, $iDeletedVotes, $iDeletedKeys, $iDeletedExpiredTokens, $iDeletedTranscodedImages);
}
