class.ilAwarenessChatFeatureProvider.php

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<?php

/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Awareness/classes/class.ilAwarenessFeatureProvider.php");

class ilAwarenessChatFeatureProvider extends ilAwarenessFeatureProvider
{
        protected static $user_access = array();
        protected $pub_ref_id = 0;

        function __construct()
        {
                parent::__construct();

                include_once './Modules/Chatroom/classes/class.ilObjChatroom.php';
                $this->pub_ref_id = ilObjChatroom::_getPublicRefId();

                $chatSettings = new ilSetting('chatroom');
                $this->chat_enabled = $chatSettings->get('chat_enabled');
        }

        function checkUserChatAccess($a_user_id)
        {
                global $rbacsystem;

                if (!isset(self::$user_access[$a_user_id]))
                {
                        self::$user_access[$a_user_id] =
                                $rbacsystem->checkAccessOfUser($a_user_id, 'read', $this->pub_ref_id);
                }
                return self::$user_access[$a_user_id];
        }



        function collectFeaturesForTargetUser($a_target_user)
        {
                $coll = ilAwarenessFeatureCollection::getInstance();
                include_once("./Services/Awareness/classes/class.ilAwarenessFeature.php");

                if (!$this->chat_enabled)
                {
                        return $coll;
                }

                if ($this->checkUserChatAccess($this->getUserId()))
                {
                        // this check is not really needed anymore, since the current
                        // user will never be listed in the awareness tool
                        if ($a_target_user != $this->getUserId())
                        {
                                if ($this->checkUserChatAccess($a_target_user))
                                {
                                        $f = new ilAwarenessFeature();
                                        $f->setText($this->lng->txt('chat_invite_public_room'));
                                        $f->setHref('./ilias.php?baseClass=ilRepositoryGUI&ref_id='.$this->pub_ref_id.
                                                '&usr_id='.$a_target_user.'&cmd=view-invitePD');
                                        //$this->tpl->setVariable('TXT_CHAT_INVITE_TOOLTIP', $lng->txt('chat_invite_public_room_tooltip'));
                                        $coll->addFeature($f);
                                }
                        }
                }

                return $coll;
        }
}
?>