class.ilEventParticipants.php

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<?php
 
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
 
 
class ilEventParticipants
{
        var $ilErr;
        var $ilDB;
        var $tree;
        var $lng;
        
        protected $registered = array();
        protected $participated = array();
 
        var $event_id = null;
        
        function ilEventParticipants($a_event_id)
        {
                global $ilErr,$ilDB,$lng,$tree;
 
                $this->ilErr =& $ilErr;
                $this->db  =& $ilDB;
                $this->lng =& $lng;
 
                $this->event_id = $a_event_id;
                $this->__read();
        }
 
        function setUserId($a_usr_id)
        {
                $this->user_id = $a_usr_id;
        }
        function getUserId()
        {
                return $this->user_id;
        }
        function setMark($a_mark)
        {
                $this->mark = $a_mark;
        }
        function getMark()
        {
                return $this->mark;
        }
        function setComment($a_comment)
        {
                $this->comment = $a_comment;
        }
        function getComment()
        {
                return $this->comment;
        }
        function setParticipated($a_status)
        {
                $this->participated = $a_status;
        }
        function getParticipated()
        {
                return $this->participated;
        }
        function setRegistered($a_status)
        {
                $this->registered = $a_status;
        }
        function getRegistered()
        {
                return $this->registered;
        }
        function updateUser()
        {
                global $ilDB;
                
                $query = "DELETE FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($this->getEventId() ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($this->getUserId() ,'integer')." ";
                $res = $ilDB->manipulate($query);
 
                $query = "INSERT INTO event_participants (event_id,usr_id,registered,participated". // ,mark,e_comment
                        ") VALUES( ".
                        $ilDB->quote($this->getEventId() ,'integer').", ".
                        $ilDB->quote($this->getUserId() ,'integer').", ".
                        $ilDB->quote($this->getRegistered() ,'integer').", ".
                        $ilDB->quote($this->getParticipated() ,'integer'). /* .", ".
                        $ilDB->quote($this->getMark() ,'text').", ".
                        $ilDB->quote($this->getComment() ,'text')." ". */
                        ")";
                $res = $ilDB->manipulate($query);
 
                include_once "Services/Tracking/classes/class.ilLPMarks.php";
                $lp_mark = new ilLPMarks($this->getEventId(), $this->getUserId());
                $lp_mark->setComment($this->getComment());
                $lp_mark->setMark($this->getMark());
                $lp_mark->update();
                
                // refresh learning progress status after updating participant
                include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
                ilLPStatusWrapper::_updateStatus($this->getEventId(), $this->getUserId());
 
                return true;
        }
 
        function getUser($a_usr_id)
        {
                return $this->participants[$a_usr_id] ? $this->participants[$a_usr_id] : array();
        }
 
        function getParticipants()
        {
                return $this->participants ? $this->participants : array();
        }
 
        function isRegistered($a_usr_id)
        {
                return $this->participants[$a_usr_id]['registered'] ? true : false;
        }
 
        function hasParticipated($a_usr_id)
        {
                return $this->participants[$a_usr_id]['participated'] ? true : false;
        }
 
        function updateParticipation($a_usr_id,$a_status)
        {
                ilEventParticipants::_updateParticipation($a_usr_id,$this->getEventId(),$a_status);
        }
 
        function _updateParticipation($a_usr_id,$a_event_id,$a_status)
        {
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->query($query);
                if($res->numRows())
                {
                        $query = "UPDATE event_participants ".
                                "SET participated = ".$ilDB->quote($a_status ,'integer')." ".
                                "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                                "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                        $res = $ilDB->manipulate($query);
                }
                else
                {
                        $query = "INSERT INTO event_participants (registered,participated,event_id,usr_id) ".
                                "VALUES( ".
                                $ilDB->quote(0 ,'integer').", ".
                                $ilDB->quote($a_status ,'integer').", ".
                                $ilDB->quote($a_event_id ,'integer').", ".
                                $ilDB->quote($a_usr_id ,'integer')." ".
                                ")";
                        $res = $ilDB->manipulate($query);
                }
                
                // refresh learning progress status after updating participant
                include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
                ilLPStatusWrapper::_updateStatus($a_event_id, $a_usr_id);
 
                return true;
        }
 
        function _getRegistered($a_event_id)
        {
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND registered = ".$ilDB->quote(1 ,'integer');
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $user_ids[] = $row->usr_id;
                }
                return $user_ids ? $user_ids : array();
        }
 
        function _getParticipated($a_event_id)
        {
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND participated = 1";
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $user_ids[] = $row->usr_id;
                }
                return $user_ids ? $user_ids : array();
        }
        
        public static function _hasParticipated($a_usr_id,$a_event_id)
        {
                global $ilDB;
 
                $query = "SELECT participated FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->query($query);
                if ($rec = $ilDB->fetchAssoc($res))
                {
                        return (bool) $rec["participated"];
                }
                return false;
        }
 
        public static function _isRegistered($a_usr_id,$a_event_id)
        {
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        return (bool) $row->registered;
                }
                return false;
        }
 
        function _register($a_usr_id,$a_event_id)
        {
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->query($query);
                if($res->numRows())
                {
                        $query = "UPDATE event_participants ".
                                "SET registered = '1' ".
                                "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                                "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                        $res = $ilDB->manipulate($query);
                }
                else
                {
                        $query = "INSERT INTO event_participants (registered,participated,event_id,usr_id) ".
                                "VALUES( ".
                                "1, ".
                                "0, ".
                                $ilDB->quote($a_event_id ,'integer').", ".
                                $ilDB->quote($a_usr_id ,'integer')." ".
                                ")";
                        $res = $ilDB->manipulate($query);
                }
                
                // refresh learning progress status after updating participant
                include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
                ilLPStatusWrapper::_updateStatus($a_event_id, $a_usr_id);
                
                return true;
        }
        function register($a_usr_id)
        {
                return ilEventParticipants::_register($a_usr_id,$this->getEventId());
        }
                        
        function _unregister($a_usr_id,$a_event_id)
        {
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->query($query);
                if($res->numRows())
                {
                        $query = "UPDATE event_participants ".
                                "SET registered = 0 ".
                                "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                                "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                        $res = $ilDB->manipulate($query);
                }
                else
                {
                        $query = "INSERT INTO event_participants (registered,participated,event_id,usr_id) ".
                                "VALUES( ".
                                "0, ".
                                "0, ".
                                $ilDB->quote($a_event_id ,'integer').", ".
                                $ilDB->quote($a_usr_id ,'integer')." ".
                                ")";
                        $res = $ilDB->manipulate($query);
                }
                
                // refresh learning progress status after updating participant
                include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
                ilLPStatusWrapper::_updateStatus($a_event_id, $a_usr_id);
                
                return true;
        }
        function unregister($a_usr_id)
        {
                return ilEventParticipants::_unregister($a_usr_id,$this->getEventId());
        }
 
        function _lookupMark($a_event_id,$a_usr_id)
        {
                include_once "Services/Tracking/classes/class.ilLPMarks.php";
                $lp_mark = new ilLPMarks($a_event_id, $a_usr_id);
                return $lp_mark->getMark();
 
                /*
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        return $row->mark;
                }
                return '';
            */
        }
        
        function _lookupComment($a_event_id,$a_usr_id)
        {
                include_once "Services/Tracking/classes/class.ilLPMarks.php";
                $lp_mark = new ilLPMarks($a_event_id, $a_usr_id);
                return $lp_mark->getComment();
 
                /*
                global $ilDB;
 
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ".
                        "AND usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        return $row->e_comment;
                }
                return '';
                */
        }
 
 
        function getEventId()
        {
                return $this->event_id;
        }
        function setEventId($a_event_id)
        {
                $this->event_id = $a_event_id;
        }
 
        function _deleteByEvent($a_event_id)
        {
                global $ilDB;
 
                $query = "DELETE FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($a_event_id ,'integer')." ";
                $res = $ilDB->manipulate($query);
 
                include_once "Services/Tracking/classes/class.ilLPMarks.php";
                ilLPMarks::deleteObject($a_event_id);
 
                return true;
        }
        function _deleteByUser($a_usr_id)
        {
                global $ilDB;
                
                $query = "DELETE FROM event_participants ".
                        "WHERE usr_id = ".$ilDB->quote($a_usr_id ,'integer')." ";
                $res = $ilDB->manipulate($query);
                return true;
        }
 
 
        // Private
        function __read()
        {
                global $ilDB;
 
                include_once "Services/Tracking/classes/class.ilLPMarks.php";
                
                
                
                $query = "SELECT * FROM event_participants ".
                        "WHERE event_id = ".$ilDB->quote($this->getEventId())." ";
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->participants[$row->usr_id]['usr_id'] = $row->usr_id;
                        $this->participants[$row->usr_id]['registered'] = $row->registered;
                        $this->participants[$row->usr_id]['participated'] = $row->participated;
                        /*
                        $this->participants[$row->usr_id]['mark'] = $row->mark;
                        $this->participants[$row->usr_id]['comment'] = $row->e_comment;
                        */
 
                        $lp_mark = new ilLPMarks($this->getEventId(), $row->usr_id);
                        $this->participants[$row->usr_id]['mark'] = $lp_mark->getMark();
                        $this->participants[$row->usr_id]['comment'] = $lp_mark->getComment();
                        
                        
                        if($row->registered)
                        {
                                $this->registered[] = $row->usr_id;
                        }
                        if($row->participated)
                        {
                                $this->participated[] = $row->usr_id;
                        }
                }
        }
}
?>