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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');

/**
 * Tracking library
 *
 * Library with utilities to manage statistics
 */

class Tracking_lib
{
    private $CI;
    private $tracking;

    public function __construct()
    {
        $this->CI =& get_instance();

        $clientId = $this->CI->Appconfig->get('client_id');

        // some old beta-3.0.0 time client IDs are wrong so clean them up
        // this statement should be removed eventually
        if(!empty($clientId) && strlen($clientId) < 30)
        {
            $clientId = NULL;
        }

        /**
         * Setup the class
         * optional
         */
        $options = array(
            'client_create_random_id' => TRUE, // create a random client id when the class can't fetch the current cliend id or none is provided by "client_id"
            'client_fallback_id' => 555, // fallback client id when cid was not found and random client id is off
            'client_id' => $clientId, // override client id
            'user_id' => NULL,  // determine current user id
            // adapter options
            'adapter' => array(
                'async' => TRUE, // requests to google are async - don't wait for google server response
                'ssl' => FALSE // use ssl connection to google server
            )
        );

        $this->tracking = new \Racecore\GATracking\GATracking('UA-82359828-2', $options);

        if(empty($clientId))
        {
            $clientId = $this->tracking->getClientId();

            $this->CI->Appconfig->batch_save(array('client_id' => $clientId));
        }
    }

    /*
     * Track Event function
     */
    public function track_event($category, $action, $label = NULL, $value = NULL)
    {
        try
        {
            /** @var Tracking/Event $event */
            $event = $this->tracking->createTracking('Event');
            $event->setAsNonInteractionHit(TRUE);
            $event->setEventCategory($category);
            $event->setEventAction($action);
            $event->setEventLabel($label);
            $event->setEventValue($value);

            return $this->tracking->sendTracking($event);
        }
        catch(Exception $e)
        {
            error_log($e->getMessage());
        }
    }

    /*
     * Track Page function
     */
    public function track_page($path, $title, $description = ' ')
    {
        try
        {
            /** @var Tracking/Factory $event */
            $event = $this->tracking->createTracking('Factory', array(
                'an' => 'OSPOS',
                'av' => $this->CI->config->item('application_version') . ' - ' . substr($this->CI->config->item('commit_sha1'), 5, 12),
                'ul' => current_language_code(),
                'dp' => $path,
                'dt' => $title,
                'cd' => $description
            ));

            return $this->tracking->sendTracking($event);
        }
        catch(Exception $e)
        {
            error_log($e->getMessage());
        }
    }
}

?>