/**
* Check the database version is the version we are expecting. If it isn't,
* attempt to automatically upgrade the database.
*/
protected function checkDatabaseVersion()
{
$version_conf = new Zend_Config_Ini(APPLICATION_PATH . '/configs/version.ini', 'version');
$expected_db_version = (int) $version_conf->gd->expect_db_version;
try {
$current_db_version = (int) GD_Config::get("db_version");
if ($current_db_version < $expected_db_version) {
$session = new Zend_Session_Namespace('gd_session');
if ($session->upgrade_attempts >= 1) {
$session->upgrade_attempts = 0;
die("Database upgrade failed.");
} else {
$cfg = Zend_Db_Table::getDefaultAdapter()->getConfig();
$db_adm = new GD_Db_Admin($cfg["host"], $cfg["username"], $cfg["password"], $cfg["dbname"]);
$db_adm->upgradeDatabase($current_db_version, $expected_db_version);
if (isset($session->upgrade_attempts)) {
$session->upgrade_attempts++;
} else {
$session->upgrade_attempts = 1;
}
$this->_response->setRedirect('/');
$this->_response->sendResponse();
}
} else {
if ($current_db_version > $expected_db_version) {
die("Database version was too new??? Expected '{$expected_db_version}' and it is currently at '{$current_db_version}'.");
}
}
} catch (Exception $ex) {
$this->_request->setParam('db_error_detail', $ex->getMessage());
$this->_request->setModuleName('default');
$this->_request->setControllerName('error');
$this->_request->setActionName('database');
return;
}
}
