/**
* Returns a singleton instance of the class
* @access public
* @return Installer_Class
*/
public static function i()
{
if (!self::$_singleton instanceof Installer_Class) {
self::$_singleton = new self();
}
return self::$_singleton;
}
/**
* Ensure the admin database entries are installed.
*
* If all the required database entries are not installed remove all entries for series 2 seo urls and USU5 and USU5 PRO then install fresh
* @see Usu_Main::getVar()
* @see Installer_Class::setConfigConstants()
* @see Installer_Class::setConfigArray()
* @see Installer_Class::removeConfigurationGroup()
* @see Installer_Class::removeConfigurationSettings()
* @see Installer_Class::dropTable()
* @see Installer_Class::getConfigGroupId()
* @see Installer_Class::getMaxSort()
* @see Installer_Class::addConfigGroup()
* @see Installer_Class::addConfigSettings()
* @see Installer_Class::addTable()
* @uses defined()
* @uses session_write_close()
* @uses header() - osC redirect wrapper tep_redirect()
*
* @access private
* @return void
*/
private function adminInstalled()
{
$needs_install = false;
foreach (Usu_Main::i()->getVar('config_settings') as $index => $define) {
if (false === defined($define)) {
$needs_install = true;
break;
}
}
// System is not set to uninstall and all the constants are defined so all is well we just return out
if (false === Usu_Main::$uninstall_db_settings && false === $needs_install) {
return;
}
// If $uninstall_db_settings is true and $needs_install is false we are ready to delete the database entries for USU5
if (false !== Usu_Main::$uninstall_db_settings && false === $needs_install) {
include_once Usu_Main::i()->getVar('db_install_path') . 'installer_class.php';
include_once Usu_Main::i()->getVar('db_install_path') . 'installer_constants.php';
// deletions
Installer_Class::i()->setConfigConstants($usu51)->setConfigConstants($usu5)->setConfigConstants($seo_urls2)->setConfigArray()->removeConfigurationGroup()->removeConfigurationSettings()->dropTable();
return;
//Set to uninstall but $needs_install is true so the database entries are not present, we do nothing
} elseif (false !== Usu_Main::$uninstall_db_settings && false !== $needs_install) {
return;
// If $uninstall_db_settings is false and $needs_install is true we are ready to install the database entries for USU5
} elseif (false !== $needs_install && false === Usu_Main::$uninstall_db_settings) {
include_once Usu_Main::i()->getVar('db_install_path') . 'installer_class.php';
include_once Usu_Main::i()->getVar('db_install_path') . 'installer_constants.php';
// deletions
Installer_Class::i()->setConfigConstants($usu51)->setConfigConstants($usu5)->setConfigConstants($seo_urls2)->setConfigArray()->removeConfigurationGroup()->removeConfigurationSettings()->dropTable();
// installation
Installer_Class::i()->getConfigGroupId()->getMaxSort()->addConfigGroup($usu5_config_group)->addConfigSettings($usu5_config)->addTable();
session_write_close();
tep_redirect(tep_href_link(FILENAME_DEFAULT));
exit;
}
}