class.ilLPStatusCollectionManual.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
 
include_once './Services/Tracking/classes/class.ilLPStatus.php';
 
class ilLPStatusCollectionManual extends ilLPStatus
{
        function _getInProgress($a_obj_id)
        {               
                $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
                
                // find any completed item
                $users = array();
                if(is_array($status_info['completed']))
                {
                        foreach($status_info['completed'] as $in_progress)
                        {
                                $users = array_merge($users,$in_progress);
                        }
                        $users = array_unique($users);
                }
                
                // remove all users which have completed ALL items
                $users = array_diff($users,ilLPStatusWrapper::_getCompleted($a_obj_id));                
                
                return $users;
        }
        
        function _getCompleted($a_obj_id)
        {               
                $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
 
                $counter = 0;
                $users = array();
                foreach($status_info['items'] as $item_id)
                {
                        $tmp_users = $status_info['completed'][$item_id];
 
                        if(!$counter++)
                        {
                                $users = $tmp_users;
                        }
                        else
                        {
                                $users = array_intersect($users,$tmp_users);
                        }
                }
                $users = array_unique($users);
                
                return $users;
        }
        
        function _getStatusInfo($a_obj_id)
        {               
                $status_info = array();
                                                                                
                include_once "Services/Object/classes/class.ilObjectLP.php";
                $olp = ilObjectLP::getInstance($a_obj_id);
                $collection = $olp->getCollectionInstance();
                if($collection)
                {                       
                        $status_info["items"] = $collection->getItems($a_obj_id);
                                                
                        foreach($status_info["items"] as $item_id)
                        {                       
                                $status_info["completed"][$item_id] = array();                                                                                                          
                        }
                        
                        $ref_ids = ilObject::_getAllReferences($a_obj_id);
                        $ref_id = end($ref_ids);                        
                        $possible_items = $collection->getPossibleItems($ref_id);                               
                        $chapter_ids = array_intersect(array_keys($possible_items),
                                $status_info["items"]);
 
                        // fix order (adapt from possible items)
                        $status_info["items"] = $chapter_ids;
 
                        if($chapter_ids)
                        {               
                                $status = self::_getObjectStatus($a_obj_id);
 
                                foreach($chapter_ids as $item_id)
                                {
                                        $status_info["item_titles"][$item_id] = $possible_items[$item_id]["title"];
 
                                        if(isset($status[$item_id]))
                                        {
                                                foreach($status[$item_id] as $user_id => $user_status)
                                                {
                                                        if($user_status)
                                                        {
                                                                $status_info["completed"][$item_id][] = $user_id;       
                                                        }
                                                }
                                        }
                                }                                                                                               
                        }                                       
                }
                
                return $status_info;
        }
        
        function determineStatus($a_obj_id, $a_user_id, $a_obj = null)
        {
                $info = self::_getStatusInfo($a_obj_id);        
                                        
                if(is_array($info["completed"]))
                {
                        $completed = true;
                        $in_progress = false;
                        foreach($info["completed"] as $user_ids)
                        {                       
                                // has completed at least 1 item
                                if(in_array($a_user_id, $user_ids))
                                {
                                        $in_progress = true;
                                }
                                // must have completed all items to complete collection
                                else 
                                {
                                        $completed = false;
                                }
                        }               
                        if($completed)
                        {
                                return self::LP_STATUS_COMPLETED_NUM;
                        }       
                        if($in_progress)
                        {
                                return self::LP_STATUS_IN_PROGRESS_NUM;
                        }                       
                }               
                
                return self::LP_STATUS_NOT_ATTEMPTED_NUM;
        }
        
        function _getObjectStatus($a_obj_id, $a_user_id = null)
        {
                global $ilDB;
                
                $res = array();
                
                $sql = "SELECT subitem_id, completed, usr_id, last_change".
                        " FROM ut_lp_coll_manual".
                        " WHERE obj_id = ".$ilDB->quote($a_obj_id, "integer");
                if($a_user_id)
                {
                        $sql .= " AND usr_id = ".$ilDB->quote($a_user_id, "integer");
                }
                $set = $ilDB->query($sql);
                while($row = $ilDB->fetchAssoc($set))
                {
                        if(!$a_user_id)
                        {
                                $res[$row["subitem_id"]][$row["usr_id"]] = $row["completed"];
                        }
                        else
                        {
                                $res[$row["subitem_id"]] = array($row["completed"], $row["last_change"]);
                        }
                }
                
                return $res;                            
        }
        
        function _setObjectStatus($a_obj_id, $a_user_id, array $a_completed = null)
        {
                global $ilDB;
                
                $now = time();
                
                if(!$a_completed)
                {
                        $a_completed = array();
                }
                
                include_once './Services/Object/classes/class.ilObjectLP.php';
                $olp = ilObjectLP::getInstance($a_obj_id);
                $collection = $olp->getCollectionInstance();
                if($collection)
                {               
                        $existing = self::_getObjectStatus($a_obj_id, $a_user_id);
                        
                        foreach($collection->getItems() as $item_id)
                        {
                                if(isset($existing[$item_id]))
                                {
                                        // value changed
                                        if((!$existing[$item_id][0] && in_array($item_id, $a_completed)) ||
                                                ($existing[$item_id][0] && !in_array($item_id, $a_completed)))
                                        {
                                                $ilDB->manipulate("UPDATE ut_lp_coll_manual SET ".
                                                        " completed = ".$ilDB->quote(in_array($item_id, $a_completed), "integer").
                                                        " , last_change = ".$ilDB->quote($now, "integer").
                                                        " WHERE obj_id = ".$ilDB->quote($a_obj_id, "integer").
                                                        " AND usr_id = ".$ilDB->quote($a_user_id, "integer").
                                                        " AND subitem_id = ".$ilDB->quote($item_id, "integer"));                
                                        }                               
                                }
                                else if(in_array($item_id, $a_completed))
                                {
                                        $ilDB->manipulate("INSERT INTO ut_lp_coll_manual".
                                                "(obj_id,usr_id,subitem_id,completed,last_change)".
                                                " VALUES (".$ilDB->quote($a_obj_id, "integer").
                                                " , ".$ilDB->quote($a_user_id, "integer").
                                                " , ".$ilDB->quote($item_id, "integer").
                                                " , ".$ilDB->quote(1, "integer").
                                                " , ".$ilDB->quote($now, "integer").")");
                                }
                        }
                }
                
                include_once "Services/Tracking/classes/class.ilLPStatusWrapper.php";
                ilLPStatusWrapper::_updateStatus($a_obj_id, $a_user_id);
        }
}       
 
?>