class.ilECSEContentDetails.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 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. |
        +-----------------------------------------------------------------------------+
*/

class ilECSEContentDetails
{

        public $senders = array();
        public $sender_index = NULL;
        public $receivers = array();
        public $url = array();
        public $content_type = array();
        public $owner = 0;

        private $receiver_info = array();

        public function __construct()
        {
                
        }
        
        public static function getInstance($a_server_id, $a_econtent_id, $a_resource_type)
        {
                global $ilLog;
                
                try
                {
                        include_once './Services/WebServices/ECS/classes/class.ilECSSetting.php';               
                        include_once './Services/WebServices/ECS/classes/class.ilECSConnector.php';
                        $connector = new ilECSConnector(ilECSSetting::getInstanceByServerId($a_server_id));             
                        $res = $connector->getResource($a_resource_type, $a_econtent_id, true);
                        if($res->getHTTPCode() == ilECSConnector::HTTP_CODE_NOT_FOUND)
                        {                       
                                return;
                        }
                        if(!is_object($res->getResult()))
                        {
                                $ilLog->write(__METHOD__ . ': Error parsing result. Expected result of type array.');
                                $ilLog->logStack();
                                throw new ilECSConnectorException('error parsing json');
                        }
                }
                catch(ilECSConnectorException $exc)
                {
                        return;
                }

                include_once './Services/WebServices/ECS/classes/class.ilECSEContentDetails.php';
                $details = new self();
                $details->loadFromJSON($res->getResult());
                return $details;
        }

        public function getSenders()
        {
                return (array) $this->senders;
        }

        public function getFirstSender()
        {
                return isset($this->senders[0]) ? $this->senders[0] : 0;
        }
        
        public function getMySender()
        {
                return $this->senders[$this->sender_index];
        }

        public function getReceivers()
        {
                return (array) $this->receivers;
        }

        public function getReceiverInfo()
        {
                return (array) $this->receiver_info;
        }

        public function getUrl()
        {
                return $this->url;
        }

        public function getOwner()
        {
                return (int) $this->owner;
        }

        public function loadFromJson($json)
        {
                global $ilLog;

                if(!is_object($json))
                {
                        $ilLog->write(__METHOD__.': Cannot load from JSON. No object given.');
                        throw new ilException('Cannot parse ECS content details.');
                }

                foreach((array) $json->senders as $sender)
                {
                        $this->senders[] = $sender->mid;
                }

                $index = 0;
                foreach((array) $json->receivers as $receiver)
                {
                        $this->receivers[] = $receiver->mid;
                        if($receiver->itsyou and $this->sender_index === NULL)
                        {
                                $this->sender_index = $index;
                        }
                        ++$index;
                }

                // Collect in one array
                for($i = 0; $i < count($this->getReceivers()); ++$i)
                {
                        $this->receiver_info[$this->sender[$i]] = $this->receivers[$i];
                }

                if(is_object($json->owner))
                {
                        $this->owner = (int) $json->owner->pid;
                }

                $this->url = $json->url;
                $this->content_type = $json->content_type;
                return true;
        }
}
?>