<?php

/**
 * EXHIBIT A. Common Public Attribution License Version 1.0
 * The contents of this file are subject to the Common Public Attribution License Version 1.0 (the “License”);
 * you may not use this file except in compliance with the License. You may obtain a copy of the License at
 * http://www.oxwall.org/license. The License is based on the Mozilla Public License Version 1.1
 * but Sections 14 and 15 have been added to cover use of software over a computer network and provide for
 * limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent
 * with Exhibit B. Software distributed under the License is distributed on an “AS IS” basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language
 * governing rights and limitations under the License. The Original Code is Oxwall software.
 * The Initial Developer of the Original Code is Oxwall Foundation (http://www.oxwall.org/foundation).
 * All portions of the code written by Oxwall Foundation are Copyright (c) 2011. All Rights Reserved.

 * EXHIBIT B. Attribution Information
 * Attribution Copyright Notice: Copyright 2011 Oxwall Foundation. All rights reserved.
 * Attribution Phrase (not exceeding 10 words): Powered by Oxwall community software
 * Attribution URL: http://www.oxwall.org/
 * Graphic Image as provided in the Covered Code.
 * Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work
 * which combines Covered Code or portions thereof with code not governed by the terms of the CPAL.
 */

/**
 * @author Egor Bulgakov <egor.bulgakov@gmail.com>
 * @package ow_system_plugins.base.mobile.bol
 * @since 1.6.0
 */
class MBOL_ConsoleService
{
    /**
     * @var MBOL_ConsoleService
     */
    private static $classInstance;

    const EVENT_COLLECT_CONSOLE_PAGES = 'mconsole.collect_pages';
    const EVENT_COLLECT_CONSOLE_PAGE_SECTIONS = 'mconsole.collect_page_sections';
    const EVENT_COLLECT_CONSOLE_PAGE_NEW_ITEMS = 'mconsole.collect_page_new_items';
    const EVENT_COUNT_CONSOLE_PAGE_NEW_ITEMS = 'mconsole.count_page_new_items';

    const SECTION_ITEMS_LIMIT = 3;

    /**
     * @return MBOL_ConsoleService
     */
    public static function getInstance()
    {
        if ( self::$classInstance === null )
        {
            self::$classInstance = new self();
        }

        return self::$classInstance;
    }

    /**
     * Constructor.
     */
    private function __construct()
    {

    }

    public function getPages()
    {
        // collect console pages
        $event = new BASE_CLASS_EventCollector(self::EVENT_COLLECT_CONSOLE_PAGES);
        OW::getEventManager()->trigger($event);
        $data = $event->getData();

        $pages = array();
        foreach ( $data as $item )
        {
            $cmp = $item['cmpClass'];
            $order = isset($item['order']) ? (int) $item['order'] : count($pages);
            $key = isset($item['key']) ? $item['key'] : uniqid();
            $counter = !empty($item['counter']) ? (int) $item['counter'] : null;

            $pages[$key] = array('order' => $order, 'key' => $key, 'counter' => $counter, 'cmpClass' => $cmp);
        }

        usort($pages, array($this, 'sortItems'));

        return $pages;
    }

    public function getPageSections( $page )
    {
        if ( !mb_strlen($page) )
        {
            return array();
        }

        $params = array('page' => $page);
        $event = new BASE_CLASS_EventCollector(
            MBOL_ConsoleService::EVENT_COLLECT_CONSOLE_PAGE_SECTIONS,
            $params
        );
        OW::getEventManager()->trigger($event);
        $items = $event->getData();

        $sections = array();
        foreach ( $items as $item )
        {
            $cmp = $item['component'];
            $order = isset($item['order']) ? (int) $item['order'] : count($sections);

            /** @var $cmp OW_MobileComponent */
            if ( is_subclass_of($cmp, 'OW_Renderable') && $cmp->isVisible() )
            {
                $sections[] = array(
                    'item' => $cmp->render(),
                    'order' => $order
                );
            }
        }

        usort($sections, array($this, 'sortItems'));

        return $sections;
    }

    public function countPageNewItems( $page )
    {
        if ( !mb_strlen($page) )
        {
            return null;
        }

        $params = array('page' => $page);
        $event = new BASE_CLASS_EventCollector(
            MBOL_ConsoleService::EVENT_COUNT_CONSOLE_PAGE_NEW_ITEMS,
            $params
        );
        OW::getEventManager()->trigger($event);
        $items = $event->getData();

        if ( !$items )
        {
            return 0;
        }

        $total = 0;
        foreach ( $items as $item )
        {
            $total += array_shift($item);
        }

        return $total;
    }

    public function countNewItems()
    {
        $pages = $this->getPages();

        $total = 0;
        foreach ( $pages as $page )
        {
            $total += $this->countPageNewItems($page['key']);
        }

        return $total;
    }

    public function getNewItems( $page, $timestamp )
    {
        $params = array('page' => $page, 'timestamp' => $timestamp);
        $event = new BASE_CLASS_EventCollector(
            MBOL_ConsoleService::EVENT_COLLECT_CONSOLE_PAGE_NEW_ITEMS,
            $params
        );
        OW::getEventManager()->trigger($event);
        $items = $event->getData();

        $result = array();
        if ( $items )
        {
            foreach ( $items as $item )
            {
                $key = key($item);
                $cmp = array_shift($item);

                if ( is_subclass_of($cmp, 'OW_Renderable') )
                {
                    $result[$key] = $cmp->render();
                }
            }
        }

        return $result;
    }

    public function sortItems( $p1, $p2 )
    {
        $a = (int) $p1['order'];
        $b = (int) $p2['order'];

        if ( $a == $b )
        {
            return 0;
        }

        return ($a > $b) ? 1 : -1;
    }
}

• [F] console_service.php
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