/home/edulekha/studygroup.edulekha.com/ow_plugins/newsfeed/bol/customization_service.php
<?php

/**
 * This software is intended for use with Oxwall Free Community Software http://www.oxwall.org/ and is
 * licensed under The BSD license.

 * ---
 * Copyright (c) 2011, Oxwall Foundation
 * All rights reserved.

 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice, this list of conditions and
 *  the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
 *  the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 *  - Neither the name of the Oxwall Foundation nor the names of its contributors may be used to endorse or promote products
 *  derived from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * 
 * @author Sergey Kambalin <greyexpert@gmail.com>
 * @package ow_plugins.newsfeed.bol
 * @since 1.0
 */
class NEWSFEED_BOL_CustomizationService
{
    private static $classInstance;

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

        return self::$classInstance;
    }
    
    private $filters = array();
    
    private function __construct()
    {
        
    }
    
    public function getActionTypes()
    {
        $event = new BASE_CLASS_EventCollector('feed.collect_configurable_activity');
        OW::getEventManager()->trigger($event);
        $actions = array();
        $eventData = $event->getData();
        
        $configTypes = json_decode(OW::getConfig()->getValue('newsfeed', 'disabled_action_types'), true);
        
        foreach ( $eventData as $item )
        {
            $item['activity'] = is_array($item['activity']) ? implode(',', $item['activity']) : $item['activity'];
            
            $item['active'] = !isset($configTypes[$item['activity']]) ? empty($item['active']) || $item['active'] : $configTypes[$item['activity']];
            $actions[] = $item;
        }
        
        return $actions; 
    }
    
    public function getDisabledEntityTypes()
    {
        $allTypes = $this->getActionTypes();
        $out = array();
        foreach ( $allTypes as $type )
        {
            if ( !$type['active'] )
            {
                $out[] = $type['activity'];
            }
        }
        
        return $out;
    }
}