/**
* Connect to database server using data from config file.
*/
function database_connect()
{
global $db_type, $db, $db_config;
$result = false;
// create database object
switch ($db_type) {
case DatabaseType::MYSQL:
$db = new Database_MySQL();
$connected = $db->connect($db_config);
$selected = $db->select($db_config['name']);
$result = $connected && $selected;
// connection was successful but database doesn't exist
if ($connected && (!$selected || $selected && !ModuleManager::getInstance()->tableExists())) {
$result = database_initialize(!$selected);
}
break;
case DatabaseType::PGSQL:
break;
case DatabaseType::SQLITE:
$db = new Database_SQLite();
$result = $db->connect($db_config);
// try to initialize database
if (!$result && !$db->exists($db_config['name'])) {
$result = $db->create($db_config['name']);
if ($result) {
$result = database_initialize();
}
}
break;
}
return $result;
}