class.ilLPStatusWrapper.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once 'Services/Tracking/classes/class.ilLPStatusFactory.php';

class ilLPStatusWrapper
{
        static private $status_cache = array();
        static private $info_cache = array();
        static private $failed_cache = array();
        static private $completed_cache = array();
        static private $in_progress_cache = array();
        static private $not_attempted_cache = array();
        
        function _getCountNotAttempted($a_obj_id)
        {
                return count(ilLPStatusWrapper::_getNotAttempted($a_obj_id));
        }

        function _getNotAttempted($a_obj_id)
        {
                if(isset(self::$not_attempted_cache[$a_obj_id]))
                {
                        return self::$not_attempted_cache[$a_obj_id];
                }

                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                self::$not_attempted_cache[$a_obj_id] = $class::_getNotAttempted($a_obj_id);
                
                return self::$not_attempted_cache[$a_obj_id];
        }

        function _getCountInProgress($a_obj_id)
        {
                return count(ilLPStatusWrapper::_getInProgress($a_obj_id));
        }

        function _getInProgress($a_obj_id)
        {
                if(isset(self::$in_progress_cache[$a_obj_id]))
                {
                        return self::$in_progress_cache[$a_obj_id];
                }

                global $ilBench;

                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                self::$in_progress_cache[$a_obj_id] = $class::_getInProgress($a_obj_id);

                return self::$in_progress_cache[$a_obj_id];
        }
        
        function _getCountCompleted($a_obj_id)
        {
                return count(ilLPStatusWrapper::_getCompleted($a_obj_id));
        }

        function _getCompleted($a_obj_id)
        {
                if(isset(self::$completed_cache[$a_obj_id]))
                {
                        return self::$completed_cache[$a_obj_id];
                }
                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                self::$completed_cache[$a_obj_id] = $class::_getCompleted($a_obj_id);

                return self::$completed_cache[$a_obj_id];
        }

        function _getCountFailed($a_obj_id)
        {
                return count(ilLPStatusWrapper::_getFailed($a_obj_id));
        }

        function _getFailed($a_obj_id)
        {
                if(isset(self::$failed_cache[$a_obj_id]))
                {
                        return self::$failed_cache[$a_obj_id];
                }

                $class = ilLPStatusFactory::_getClassById($a_obj_id);

                self::$failed_cache[$a_obj_id] = $class::_getFailed($a_obj_id);

                return self::$failed_cache[$a_obj_id];
        }

        function _getStatusInfo($a_obj_id)
        {
                if(isset(self::$info_cache[$a_obj_id]))
                {
                        return self::$info_cache[$a_obj_id];
                }

                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                self::$info_cache[$a_obj_id] = $class::_getStatusInfo($a_obj_id);
                return self::$info_cache[$a_obj_id];
        }

        public static function _resetInfoCaches($a_obj_id)
        {
                unset(self::$info_cache[$a_obj_id]);
                unset(self::$failed_cache[$a_obj_id]);
                unset(self::$completed_cache[$a_obj_id]);
                unset(self::$in_progress_cache[$a_obj_id]);
                unset(self::$not_attempted_cache[$a_obj_id]);
        }

        function _getTypicalLearningTime($a_obj_id)
        {
                static $cache = array();

                if(isset($cache[$a_obj_id]))
                {
                        return $cache[$a_obj_id];
                }

                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                $cache[$a_obj_id] = $class::_getTypicalLearningTime($a_obj_id);

                return $cache[$a_obj_id];
        }

        // Special functions for 'objects' that have not an entry in object_data
        // E.g. events

        function _getCountNotAttemptedByType($a_obj_id,$a_type)
        {
                return count(ilLPStatusWrapper::_getNotAttemptedByType($a_obj_id,$a_type));
        }
        
        function _getNotAttemptedByType($a_obj_id,$a_type)
        {
                static $cache = array();

                if(isset($cache[$a_obj_id.'_'.$a_type]))
                {
                        return $cache[$a_obj_id.'_'.$a_type];
                }

                $class = ilLPStatusFactory::_getClassByIdAndType($a_obj_id,$a_type);
                $cache[$a_obj_id.'_'.$a_type] = $class::_getNotAttempted($a_obj_id);

                return $cache[$a_obj_id.'_'.$a_type];
        }
        
        function _getCountInProgressByType($a_obj_id,$a_type)
        {
                return count(ilLPStatusWrapper::_getInProgressByType($a_obj_id,$a_type));
        }
        
        function _getInProgressByType($a_obj_id,$a_type)
        {
                static $cache = array();

                if(isset($cache[$a_obj_id.'_'.$a_type]))
                {
                        return $cache[$a_obj_id.'_'.$a_type];
                }

                $class = ilLPStatusFactory::_getClassByIdAndType($a_obj_id,$a_type);
                $cache[$a_obj_id.'_'.$a_type] = $class::_getInProgress($a_obj_id);

                return $cache[$a_obj_id.'_'.$a_type];
        }
        
        function _getCountCompletedByType($a_obj_id,$a_type)
        {
                return count(ilLPStatusWrapper::_getCompletedByType($a_obj_id,$a_type));
        }
        
        function _getCompletedByType($a_obj_id,$a_type)
        {
                static $cache = array();

                if(isset($cache[$a_obj_id.'_'.$a_type]))
                {
                        return $cache[$a_obj_id.'_'.$a_type];
                }

                $class = ilLPStatusFactory::_getClassByIdAndType($a_obj_id,$a_type);
                $cache[$a_obj_id.'_'.$a_type] = $class::_getCompleted($a_obj_id);
                
                return $cache[$a_obj_id.'_'.$a_type];
        }
        
        function _getCountFailedByType($a_obj_id,$a_type)
        {
                return count(ilLPStatusWrapper::_getFailedByType($a_obj_id,$a_type));
        }
        
        function _getFailedByType($a_obj_id,$a_type)
        {
                static $cache = array();

                if(isset($cache[$a_obj_id.'_'.$a_type]))
                {
                        return $cache[$a_obj_id.'_'.$a_type];
                }

                $class = ilLPStatusFactory::_getClassByIdAndType($a_obj_id,$a_type);
                $cache[$a_obj_id.'_'.$a_type] = $class::_getFailed($a_obj_id);
                
                return $cache[$a_obj_id.'_'.$a_type];
        }
        
        function _getStatusInfoByType($a_obj_id,$a_type)
        {
                static $cache = array();

                if(isset($cache[$a_obj_id.'_'.$a_type]))
                {
                        return $cache[$a_obj_id.'_'.$a_type];
                }

                $class = ilLPStatusFactory::_getClassByIdAndType($a_obj_id,$a_type);
                $cache[$a_obj_id.'_'.$a_type] = $class::_getStatusInfo($a_obj_id);

                return $cache[$a_obj_id.'_'.$a_type];
        }
        
        static function _updateStatus($a_obj_id, $a_usr_id, $a_obj = null, $a_percentage = false, $a_force_raise = false)
        {
                $trac_obj = ilLPStatusFactory::_getInstance($a_obj_id);
                if (strtolower(get_class($trac_obj)) != "illpstatus")
                {
                        $trac_obj->_updateStatus($a_obj_id, $a_usr_id, $a_obj, $a_percentage, $a_force_raise);
                }
        }
        
        function _setDirty($a_obj_id)
        {
                $trac_obj = ilLPStatusFactory::_getInstance($a_obj_id);
                $trac_obj->_setDirty($a_obj_id);
        }

        function _refreshStatus($a_obj_id, $a_users = null)
        {
                $trac_obj = ilLPStatusFactory::_getInstance($a_obj_id);
                $trac_obj->refreshStatus($a_obj_id, $a_users);
        }

        public static function _determineStatus($a_obj_id, $a_usr_id)
        {
                if (isset(self::$status_cache[$a_obj_id][$a_usr_id]))
                {
                        return self::$status_cache[$a_obj_id][$a_usr_id];
                }

                $trac_obj = ilLPStatusFactory::_getInstance($a_obj_id);         
                $st = $trac_obj->determineStatus($a_obj_id, $a_usr_id);
                
                self::$status_cache[$a_obj_id][$a_usr_id] = $st;
                
                return $st;
        }
        
        public static function _removeStatusCache($a_obj_id, $a_usr_id)
        {
                unset(self::$status_cache[$a_obj_id][$a_usr_id]);
        }       
        
        public static function _lookupCompletedForObject($a_obj_id, $a_user_ids = null)
        {
                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                return $class::_lookupCompletedForObject($a_obj_id, $a_user_ids);
        }
        
        public static function _lookupFailedForObject($a_obj_id, $a_user_ids = null)
        {
                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                return $class::_lookupFailedForObject($a_obj_id, $a_user_ids);
        }
        
        public static function _lookupInProgressForObject($a_obj_id, $a_user_ids = null)
        {
                $class = ilLPStatusFactory::_getClassById($a_obj_id);
                return $class::_lookupInProgressForObject($a_obj_id, $a_user_ids);
        }       
}       
?>