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 $DIC;

        $ilLog = $DIC['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 getFirstReceiver()
    {
        foreach ($this->getReceivers() as $mid) {
            return $mid;
        }
        return 0;
    }

    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 $DIC;

        $ilLog = $DIC['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;
    }
}