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<?php

/**
 * <pre>
 * Invision Power Services
 * IP.Board v3.3.3
 * Notification AJAX methods
 * Last Updated: $Date: 2012-05-10 16:10:13 -0400 (Thu, 10 May 2012) $
 * </pre>
 *
 * @author         $Author: bfarber $
 * @copyright    (c) 2001 - 2009 Invision Power Services, Inc.
 * @license        http://www.invisionpower.com/company/standards.php#license
 * @package        IP.Board
 * @subpackage    Core
 * @link        http://www.invisionpower.com
 * @since        Tuesday 1st March 2005 (11:52)
 * @version        $Revision: 10721 $
 *
 */

if ( ! defined( 'IN_IPB' ) )
{
    print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded all the relevant files.";
    exit();
}

class public_core_ajax_notifications extends ipsAjaxCommand 
{
    /**
     * Class entry point
     *
     * @param    object        Registry reference
     * @return    @e void        [Outputs to screen]
     */
    public function doExecute( ipsRegistry $registry ) 
    {
        switch( $this->request['do'] )
        {
            case 'getlatest':
            default:
                $this->getMyNotifications();
            break;
            
            case 'getNextNotification':
                $this->getMoreNotifications( 'DESC' );
            break;
            
            case 'getLastNotification':
                $this->getMoreNotifications( 'ASC' );
            break;
        }
    }

    /**
     * Retrieve next notification for user
     *
     * @param    string        Database order (asc/desc)
     * @return    @e void        [Outputs JSON to browser AJAX call]
     */
    protected function getMoreNotifications( $dir='DESC' )
    {
        //-----------------------------------------
        // We logged in?
        //-----------------------------------------
        
        if( !$this->memberData['member_id'] )
        {
            $this->returnJsonError( $this->lang->words['notifylogin_error'] );
        }
        
        //-----------------------------------------
        // Retrieve notifications
        //-----------------------------------------
        
        $classToLoad        = IPSLib::loadLibrary( IPS_ROOT_PATH . '/sources/classes/member/notifications.php', 'notifications' );
        $notifyLibrary        = new $classToLoad( $this->registry );
        $notifyLibrary->setMember( $this->memberData );

        $_data = $notifyLibrary->fetchUnreadNotifications( 50, 'notify_sent', $dir );
        
        //-----------------------------------------
        // Now we loop through and set has previous, 
        // has more, and get "next" notification
        //-----------------------------------------
        
        $_hasPrevious    = false;
        $_hasNext        = false;
        $_hitId            = false;
        $_gotNext        = false;
        $_thisNotify    = array();
        
        foreach( $_data as $k => $v )
        {
            if( !$_hitId )
            {
                if( $v['notify_id'] == $this->request['last'] )
                {
                    $_hitId    = true;
                }
                
                $_hasPrevious    = true;
                continue;
            }
            
            if( !$_gotNext )
            {
                $_gotNext        = true;
                $_thisNotify    = $v;
                continue;
            }
            
            $_hasNext    = true;
            break;
        }
        
        if( count($_thisNotify) )
        {
            $_thisNotify['notify_date_formatted']        = $this->registry->class_localization->getDate( $_thisNotify['notify_sent'], 'short' );
            
            $_thisNotify['has_more']        = $_hasNext;
            $_thisNotify['has_previous']    = $_hasPrevious;
        }
        else
        {
            $_thisNotify['error']    = $this->lang->words['nomore_notifications_4u'];
        }
        
        if( !$_thisNotify['notify_url'] )
        {
            $_thisNotify['notify_url']    = $this->registry->output->buildSEOUrl( "app=core&module=usercp&area=viewNotification&do=view&view={$_thisNotify['notify_id']}", 'public' );
        }
        
        $this->returnJsonArray( $_thisNotify );
    }
    
    /**
     * Retrieve user's last x notifications
     *
     * @return    @e void        [Outputs JSON to browser AJAX call]
     */
    protected function getMyNotifications()
    {
        //-----------------------------------------
        // We logged in?
        //-----------------------------------------
        
        if ( ! $this->memberData['member_id'] )
        {
            $this->returnJsonError( $this->lang->words['notifylogin_error'] );
        }
        
        //-----------------------------------------
        // Retrieve notifications
        //-----------------------------------------
        
        $classToLoad        = IPSLib::loadLibrary( IPS_ROOT_PATH . '/sources/classes/member/notifications.php', 'notifications' );
        $notifyLibrary        = new $classToLoad( $this->registry );
        $notifyLibrary->setMember( $this->memberData );

        $_data = $notifyLibrary->fetchLatestNotifications( 10 );

        //-----------------------------------------
        // Now mark them all read
        //-----------------------------------------
        
        $notifyLibrary->markNotificationsAsReadByMemberId( $this->memberData['member_id'] );
        
        //-----------------------------------------
        // Return results
        //-----------------------------------------

        $this->returnJsonArray( array( 'html' => $this->cleanOutput( $this->registry->output->getTemplate('global_other')->notificationsList( $_data ) ) ) );
    }
}