Data saving with connectors and YII with extra filtering criteria on server side

EventController.php

<?php
require_once(dirname(__FILE__)."/../../../dhtmlx/connector/grid_connector.php");
require_once(dirname(__FILE__)."/../../../dhtmlx/connector/scheduler_connector.php");
require_once(dirname(__FILE__)."/../../../dhtmlx/connector/db_phpyii.php");

class EventController extends Controller
{
	public function actionScheduler_data()
	{
    //this action will be used for data loading only
    //so we can use here a resultset filtered by any conditions
		$data = Events::model()->findAll(array("condition" => "event_id > 1", "order"=>"event_id"));
		$scheduler = new SchedulerConnector($data, "PHPYii");
		$scheduler->configure("-", "event_id", "start_date, end_date, event_name");
		$scheduler->render();
	}

	public function actionScheduler_save()
	{
    //this action will be used for data saving
    //we need to provide a model as first parameter
		$data = Events::model();
		$scheduler = new SchedulerConnector($data, "PHPYii");
		$scheduler->configure("-", "event_id", "start_date, end_date, event_name");
		$scheduler->render();
	}	
}

scheduler.php

<script type="text/javascript" charset="utf-8">
  	scheduler.config.multi_day = true;
		
		scheduler.config.xml_date="%Y-%m-%d %H:%i";
		scheduler.config.first_hour = 5;
		scheduler.init('scheduler_here',new Date(2010,7,5),"week");
    //using one url for data loading
		scheduler.load("./scheduler_data");

    //using separate url for data saving
		var dp = new dataProcessor("./scheduler_save");
		
		dp.attachEvent("onAfterUpdate", function(sid, action, tid, response){
			if (action == "invalid"){
				alert(response.getAttribute("details"));
			}
		})
		dp.init(scheduler);
</script>