ilinc/classes/class.ilObjiLincClassroom.php

Go to the documentation of this file.

<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2005 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 ilObjiLincClassroom extends ilObject
{
        function ilObjiLincClassroom($a_id = 0,$a_call_by_reference = true)
        {
                $this->type = "icla";
                $this->ilObject($a_id,$a_call_by_reference);
        }
        
        function _lookupiCourseId($a_ref_id)
        {
                global $ilDB;

                $q = "SELECT course_id FROM ilinc_data ".
                         "LEFT JOIN object_reference ON object_reference.obj_id=ilinc_data.obj_id ".
                         "WHERE object_reference.ref_id = '".$a_ref_id."'";
                $obj_set = $ilDB->query($q);
                $obj_rec = $obj_set->fetchRow(DB_FETCHMODE_ASSOC);

                return $obj_rec["course_id"];
        }
        
        function read()
        {
                parent::read();
                
                // TODO: fetching default role should be done in rbacadmin
                $q = "SELECT * FROM ilinc_data ".
                         "WHERE obj_id='".$this->id."'";
                $r = $this->ilias->db->query($q);

                if ($r->numRows() > 0)
                {
                        $data = $r->fetchRow(DB_FETCHMODE_OBJECT);

                        // fill member vars in one shot
                        $this->ilinc_id = $data->class_id;
                        $this->ilinc_course_id = $data->course_id;
                }
                else
                {
                         $this->ilias->raiseError("<b>Error: There is no dataset with id ".$this->id."!</b><br />class: ".get_class($this)."<br />Script: ".__FILE__."<br />Line: ".__LINE__, $this->ilias->FATAL);
                }
        }
        
        function saveID($a_icla_id,$a_icrs_id)
        {
                $q = "INSERT INTO ilinc_data (obj_id,type,course_id,class_id) VALUES (".$this->id.",'icla','".$a_icrs_id."','".$a_icla_id."')";
                $this->ilias->db->query($q);
        }
        
        function isMember($a_user_id,$a_course_id)
        {
                $q = "SELECT * FROM ilinc_data ".
                         "WHERE user_id='".$a_user_id."' AND course_id='".$a_course_id."'";
                $r = $this->ilias->db->query($q);
                
                if ($r->numRows() > 0)
                {
                        return true;
                }
                
                return false;
        }
        
        function isRegisteredAtiLincServer(&$a_user_obj)
        {
                if (empty($a_user_obj->ilinc_id))
                {
                        return false;
                }
                
                return true;
        }
        
        function addUser(&$a_user_obj)
        {
                include_once "class.ilnetucateXMLAPI.php";
                $ilinc = new ilnetucateXMLAPI();
                $ilinc->addUser($a_user_obj);
                $response = $ilinc->sendRequest();

                if ($response->isError())
                {
                        $this->ilias->raiseError($response->getErrorMsg(),$this->ilias->MESSAGE);
                }
                
                $ilinc_user_id = $response->getFirstID();
                $a_user_obj->setiLincID($ilinc_user_id);
                $a_user_obj->update();
                
                return $a_user_obj->getiLincID();
        }

        function registerUser(&$a_user_obj,$a_ilinc_course_id,$a_instructor = "False")
        {
                include_once "class.ilnetucateXMLAPI.php";
                $ilinc = new ilnetucateXMLAPI();
                $ilinc->registerUser($a_user_obj->getiLincID(),$a_ilinc_course_id,$a_instructor);
                $response = $ilinc->sendRequest("registerUser");

                if ($response->isError())
                {
                        $this->ilias->raiseError($response->getErrorMsg(),$this->ilias->MESSAGE);
                }
                
                //$ilinc_user_id = $response->getFirstID();
                
                $q = "INSERT INTO ilinc_data (obj_id,type,course_id,class_id,user_id) VALUES (".$a_user_obj->getId().",'user','".$a_ilinc_course_id."',null,'".$a_user_obj->getiLincID()."')";
                $this->ilias->db->query($q);

                return true;
        }
        
        function joinClass(&$a_user_obj,$a_ilinc_class_id)
        {
                include_once "class.ilnetucateXMLAPI.php";
                $ilinc = new ilnetucateXMLAPI();
                $ilinc->joinClass($a_user_obj,$a_ilinc_class_id);
                $response = $ilinc->sendRequest("joinClass");
                
                if ($response->isError())
                {
                        $this->ilias->raiseError($response->getErrorMsg(),$this->ilias->MESSAGE);
                }
                
                //var_dump($response->data);exit;
                
                // return URL to join class room
                return $response->data['url']['cdata'];
        }
        
        function findUser(&$a_user_obj)
        {
                include_once "class.ilnetucateXMLAPI.php";
                $ilinc = new ilnetucateXMLAPI();
                $ilinc->findUser($a_user_obj);
                $response = $ilinc->sendRequest();
                
                var_dump($response->data);
                exit;
        }

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

                // put here object specific stuff
                
                return true;
        }
        
        function ilClone($a_parent_ref)
        {               
                global $rbacadmin;

                // always call parent clone function first!!
                $new_ref_id = parent::ilClone($a_parent_ref);
                
                // get object instance of cloned object
                //$newObj =& $this->ilias->obj_factory->getInstanceByRefId($new_ref_id);

                // create a local role folder & default roles
                //$roles = $newObj->initDefaultRoles();

                // ...finally assign role to creator of object
                //$rbacadmin->assignUser($roles[0], $newObj->getOwner(), "n");          

                // always destroy objects in clone method because clone() is recursive and creates instances for each object in subtree!
                //unset($newObj);

                // ... and finally always return new reference ID!!
                return $new_ref_id;
        }

        function delete()
        {               
                // always call parent delete function first!!
                if (!parent::delete())
                {
                        return false;
                }
                
                //put here your module specific stuff
                $q = "DELETE FROM ilinc_data WHERE class_id='".$this->ilinc_id."'";
                $this->ilias->db->query($q);
                
                include_once "class.ilnetucateXMLAPI.php";
                $ilinc = new ilnetucateXMLAPI();
                $ilinc->removeClass($this->ilinc_id);
                $response = $ilinc->sendRequest();
                
                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)
        {
                return true;
        }

} // END class.ilObjiLincClassroom
?>