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<?php
class Mock_Database_DB {
/**
* @var array DB configuration
*/
private $config = array();
/**
* Prepare database configuration skeleton
*
* @param array DB configuration to set
* @return void
*/
public function __construct($config = array())
{
$this->config = $config;
}
/**
* Build DSN connection string for DB driver instantiate process
*
* @param string Group name
* @return string DSN Connection string
*/
public function set_dsn($group = 'default')
{
if ( ! isset($this->config[$group]))
{
throw new InvalidArgumentException('Group '.$group.' not exists');
}
$params = array(
'dbprefix' => '',
'pconnect' => FALSE,
'db_debug' => FALSE,
'cache_on' => FALSE,
'cachedir' => '',
'char_set' => 'utf8',
'dbcollat' => 'utf8_general_ci',
'swap_pre' => '',
'autoinit' => TRUE,
'stricton' => FALSE,
);
$config = array_merge($this->config[$group], $params);
$dsnstring = empty($config['dsn']) ? FALSE : $config['dsn'];
$subdriver = empty($config['subdriver']) ? FALSE: $config['subdriver'];
$failover = empty($config['failover']) ? FALSE : $config['failover'];
$dsn = $config['dbdriver'].'://'.$config['username'].':'.$config['password']
.'@'.$config['hostname'].'/'.$config['database'];
// Build the parameter
$other_params = array_slice($config, 6);
if ($dsnstring) $other_params['dsn'] = $dsnstring;
if ($subdriver) $other_params['subdriver'] = $subdriver;
if ($failover) $other_params['failover'] = $failover;
return $dsn.'?'.http_build_query($other_params);
}
/**
* Return a database config array
*
* @see ./config
* @param string Driver based configuration
* @return array
*/
public static function config($driver)
{
$dir = realpath(dirname(__FILE__)).DIRECTORY_SEPARATOR;
return include($dir.'config'.DIRECTORY_SEPARATOR.$driver.'.php');
}
/**
* Main DB method wrapper
*
* @param string Group or DSN string
* @param bool
* @return object
*/
public static function DB($group, $query_builder = FALSE)
{
include_once(BASEPATH.'database/DB.php');
try
{
$db = DB($group, $query_builder);
}
catch (Exception $e)
{
throw new InvalidArgumentException($e->getMessage());
}
return $db;
}
}
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