function dispatch($module = null, $action = null, $parameters = null)
{
if (is_null($module)) {
$defaultModule = Core_Helper::getDefaultModuleName();
$module = Core_Common::getRequestVar('module', $defaultModule, 'string');
}
if (is_null($action)) {
$action = Core_Common::getRequestVar('action', false);
}
if (is_null($parameters)) {
$parameters = array();
}
if (!ctype_alnum($module)) {
throw new Exception("Invalid module name '{$module}'");
}
$controllerClassName = "Module_" . $module . "_Controller";
/* Check if the plugin has been activated */
if (!Core_ModuleManager::getInstance()->isModuleActivated($module)) {
throw new Core_FrontController_PluginDeactivatedException($module);
}
// Dynamically create the class
$controller = new $controllerClassName();
if ($action === false) {
$action = $controller->getDefaultAction();
}
// Dynamically call the action
if (!is_callable(array($controller, $action))) {
throw new Exception("Action not found in {$controllerClassName}::{$action}().");
}
try {
$controller->preDispatch();
return call_user_func_array(array($controller, $action), $parameters);
} catch (Core_Access_NoAccessException $e) {
Core_PostEvent('FrontController.NoAccessException');
} catch (Exception $e) {
echo 'Error: ' . $e;
return null;
}
}
/**
* Logout the current user
*/
function logout()
{
self::clearSession();
Core_Helper::redirectToModule(Core_Helper::getDefaultModuleName());
}
