/**
* find controller and call action
**/
public static function callAction($controller, $action)
{
if (!$controller) {
$controller = 'home';
}
if (!$action) {
$action = 'index';
}
self::$controller = $controller;
self::$action = $action;
//set content type
if (!headers_sent()) {
header('Content-type: text/html; charset=utf-8');
}
if (strpos($controller, '_') === false) {
//such as 'user/action'
$controller = ucfirst($controller);
} else {
//such as 'user_extra/action'
$controllerArr = explode('_', $controller);
$controllerArr = array_map('ucfirst', $controllerArr);
$controller = implode('_', $controllerArr);
}
if (!self::controllerExists($controller)) {
self::_pageNotFound();
} else {
$classname = 'Controller_' . $controller;
$klass = new $classname();
$methods = get_class_methods($klass);
if (!in_array($action . 'Action', $methods)) {
//action not found
self::_pageNotFound();
} else {
//action find
try {
//call 'before' function
$klass->before();
//call action
$do = $action . 'Action';
$klass->{$do}();
//call 'after' function
$klass->after();
} catch (Exception $e) {
self::_internalServerError($e);
}
}
}
}
