class.ilObjMediaCast.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2009 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

require_once "./classes/class.ilObject.php";

class ilObjMediaCast extends ilObject
{
        public static $purposes = array ("Standard","VideoPortable", "AudioPortable");    
    protected $online = false;
        protected $publicfiles = false;
        protected $downloadable = true;
        protected $defaultAccess = 0;
        
        function ilObjMediaCast($a_id = 0,$a_call_by_reference = true)
        {
                $this->type = "mcst";
                $this->ilObject($a_id,$a_call_by_reference);
                $mcst_set = new ilSetting("mcst");      
                $this->setDefaultAccess($mcst_set->get("defaultaccess") == "users" ? 0 : 1);
        }

        function setOnline($a_online)
        {
                $this->online = $a_online;
        }

        function getOnline()
        {
                return $this->online;
        }

        function setPublicFiles($a_publicfiles)
        {
                $this->publicfiles = $a_publicfiles;
        }

        function getPublicFiles()
        {
                return $this->publicfiles;
        }

        function setItemsArray($a_itemsarray)
        {
                $this->itemsarray = $a_itemsarray;
        }

        function getItemsArray()
        {
                return $this->itemsarray;
        }

        function setDownloadable($a_downloadable)
        {
                $this->downloadable = $a_downloadable;
        }
        function getDownloadable()
        {
                return $this->downloadable;
        }
        
        function getDefaultAccess() {
            return $this->defaultAccess;
        }
        
        function setDefaultAccess($value) {
            $this->defaultAccess = (int) $value == 0 ? 0 : 1;
        }
        
        function getDiskUsage()
        {
            require_once("./Modules/MediaCast/classes/class.ilObjMediaCastAccess.php");
                return ilObjMediaCastAccess::_lookupDiskUsage($this->id);
        }
        
        function create()
        {
                global $ilDB;

                parent::create();
                
                $query = "INSERT INTO il_media_cast_data (".
                        " id".
                        ", is_online".
                        ", public_files".
                        ", downloadable".
                    ", def_access".
                        " ) VALUES (".
                        $ilDB->quote($this->getId(), "integer")
                        .",".$ilDB->quote((int) $this->getOnline(), "integer")
                        .",".$ilDB->quote((int) $this->getPublicFiles(), "integer")
                        .",".$ilDB->quote((int) $this->getDownloadable(), "integer")
                        .",".$ilDB->quote((int) $this->getDefaultAccess(), "integer")
                        .")";
                $ilDB->manipulate($query);

        }

        function update()
        {
                global $ilDB;
                
                if (!parent::update())
                {                       
                        return false;
                }

                // update media cast data
                $query = "UPDATE il_media_cast_data SET ".
                        " is_online = ".$ilDB->quote((int) $this->getOnline(), "integer").
                        ", public_files = ".$ilDB->quote((int) $this->getPublicFiles(), "integer").
                        ", downloadable = ".$ilDB->quote((int) $this->getDownloadable(), "integer").
                    ", def_access = ".$ilDB->quote((int) $this->getDefaultAccess(), "integer").
                        " WHERE id = ".$ilDB->quote((int) $this->getId(), "integer");

                $ilDB->manipulate($query);

                return true;
        }
        
        function read()
        {
                global $ilDB;
                
                parent::read();
                $this->readItems();
                
                $query = "SELECT * FROM il_media_cast_data WHERE id = ".
                        $ilDB->quote($this->getId(), "integer");
                $set = $ilDB->query($query);
                $rec = $ilDB->fetchAssoc($set);

                $this->setOnline($rec["is_online"]);
                $this->setPublicFiles($rec["public_files"]);
                $this->setDownloadable($rec["downloadable"]);
                $this->setDefaultAccess($rec["def_access"]);
                
        }


        function delete()
        {
                global $ilDB;

                // always call parent delete function first!!
                if (!parent::delete())
                {
                        return false;
                }

                // delete all items
                $med_items = $this->getItemsArray();
                foreach ($med_items as $item)
                {
                        include_once("./Services/News/classes/class.ilNewsItem.php");
                        $news_item = new ilNewsItem($item["id"]);
                        $news_item->delete();
                }

                // delete record of table il_media_cast_data
                $query = "DELETE FROM il_media_cast_data".
                        " WHERE id = ".$ilDB->quote($this->getId(), "integer");
                $ilDB->manipulate($query);
                
                return true;
        }

        function initDefaultRoles()
        {
                global $rbacadmin;
                
                // create a local role folder
                //$rfoldObj = $this->createRoleFolder("Local roles","Role Folder of forum obj_no.".$this->getId());

                // create moderator role and assign role to rolefolder...
                //$roleObj = $rfoldObj->createRole("Moderator","Moderator of forum obj_no.".$this->getId());
                //$roles[] = $roleObj->getId();

                //unset($rfoldObj);
                //unset($roleObj);

                return $roles ? $roles : array();
        }

        function notify($a_event,$a_ref_id,$a_parent_non_rbac_id,$a_node_id,$a_params = 0)
        {
                global $tree;
                
                switch ($a_event)
                {
                        case "link":
                                
                                //var_dump("<pre>",$a_params,"</pre>");
                                //echo "Module name ".$this->getRefId()." triggered by link event. Objects linked into target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                        
                        case "cut":
                                
                                //echo "Module name ".$this->getRefId()." triggered by cut event. Objects are removed from target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                                
                        case "copy":
                        
                                //var_dump("<pre>",$a_params,"</pre>");
                                //echo "Module name ".$this->getRefId()." triggered by copy event. Objects are copied into target object ref_id: ".$a_ref_id;
                                //exit;
                                break;

                        case "paste":
                                
                                //echo "Module name ".$this->getRefId()." triggered by paste (cut) event. Objects are pasted into target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                        
                        case "new":
                                
                                //echo "Module name ".$this->getRefId()." triggered by paste (new) event. Objects are applied to target object ref_id: ".$a_ref_id;
                                //exit;
                                break;
                }

                // At the beginning of the recursive process it avoids second call of the notify function with the same parameter
                if ($a_node_id==$_GET["ref_id"])
                {
                        $parent_obj =& $this->ilias->obj_factory->getInstanceByRefId($a_node_id);
                        $parent_type = $parent_obj->getType();
                        if($parent_type == $this->getType())
                        {
                                $a_node_id = (int) $tree->getParentId($a_node_id);
                        }
                }
                
                parent::notify($a_event,$a_ref_id,$a_parent_non_rbac_id,$a_node_id,$a_params);
        }

        function readItems($a_oldest_first = false)
        {
                global $ilDB;
                
                //
                include_once("./Services/News/classes/class.ilNewsItem.php");
                $it = new ilNewsItem();
                $it->setContextObjId($this->getId());
                $it->setContextObjType($this->getType());
                $this->itemsarray = $it->queryNewsForContext(false, 0, "", false, $a_oldest_first);
                
                return $this->itemsarray;
        }
        
        
} // END class.ilObjMediaCast
?>