ilLPStatusTypicalLearningTime Class Reference

Inheritance diagram for ilLPStatusTypicalLearningTime:

Collaboration diagram for ilLPStatusTypicalLearningTime:

Public Member Functions
	ilLPStatusTypicalLearningTime ($a_obj_id)
	_getInProgress ($a_obj_id)
	_getCompleted ($a_obj_id)
	_getStatusInfo ($a_obj_id)
	determineStatus ($a_obj_id, $a_user_id, $a_obj=null)
	Determine status.
	determinePercentage ($a_obj_id, $a_user_id, $a_obj=null)
	Determine percentage.
Public Member Functions inherited from ilLPStatus
	ilLPStatus ($a_obj_id)
	_getCountNotAttempted ($a_obj_id)
	_getNotAttempted ($a_obj_id)
	_getCountInProgress ($a_obj_id)
	_getCountCompleted ($a_obj_id)
	_getFailed ($a_obj_id)
	_getCountFailed ()
	_getTypicalLearningTime ($a_obj_id)
	_updateStatus ($a_obj_id, $a_usr_id, $a_obj=null)
	New status handling (st: status, nr: accesses, p: percentage, t: time spent, m: mark)
	refreshStatus ($a_obj_id, $a_users=null)
	Refresh status.

Additional Inherited Members
Static Public Member Functions inherited from ilLPStatus
static	checkStatusForObject ($a_obj_id, $a_users=false)
	This function checks whether the status for a given number of users is dirty and must be recalculated.
static	writeStatus ($a_obj_id, $a_user_id, $a_status, $a_percentage=false, $a_force_per=false)
	Write status for user and object.
static	setInProgressIfNotAttempted ($a_obj_id, $a_user_id)
	This function shoudl be clalled for normal "read events".
static	setAllDirty ()
	Sets all status to dirty.
static	setDirty ($a_obj_id)
	Sets status of an object to dirty.
Data Fields inherited from ilLPStatus
	$obj_id = null
	$db = null

Detailed Description

Author

Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

Id:

class.ilLPStatusTypicalLearningTime.php 23539 2010-04-17 22:00:54Z akill

Definition at line 15 of file class.ilLPStatusTypicalLearningTime.php.

Member Function Documentation

ilLPStatusTypicalLearningTime::_getCompleted

(

$a_obj_id

)

Reimplemented from ilLPStatus.

Definition at line 48 of file class.ilLPStatusTypicalLearningTime.php.

References $ilDB, _getStatusInfo(), and ilChangeEvent\_lookupReadEvents().

        {
                global $ilDB;

                include_once './Services/MetaData/classes/class.ilMDEducational.php';

                $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
                $tlt = $status_info['tlt'];

                // TODO: move to status info
                include_once './Services/Tracking/classes/class.ilChangeEvent.php';
                $all = ilChangeEvent::_lookupReadEvents($a_obj_id);

                foreach($all as $event)
                {
                        if($event['spent_seconds'] >= $tlt)
                        {
                                $user_ids[] = $event['usr_id'];
                        }
                }
                return $user_ids ? $user_ids : array();
        }

Here is the call graph for this function:

ilLPStatusTypicalLearningTime::_getInProgress

(

$a_obj_id

)

Reimplemented from ilLPStatus.

Definition at line 26 of file class.ilLPStatusTypicalLearningTime.php.

References $ilDB, _getStatusInfo(), and ilChangeEvent\_lookupReadEvents().

        {
                global $ilDB;

                include_once './Services/MetaData/classes/class.ilMDEducational.php';

                $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
                $tlt = $status_info['tlt'];

                include_once './Services/Tracking/classes/class.ilChangeEvent.php';
                $all = ilChangeEvent::_lookupReadEvents($a_obj_id);

                foreach($all as $event)
                {
                        if($event['spent_seconds'] < $tlt)
                        {
                                $user_ids[] = $event['usr_id'];
                        }
                }
                return $user_ids ? $user_ids : array();
        }

Here is the call graph for this function:

ilLPStatusTypicalLearningTime::_getStatusInfo

(

$a_obj_id

)

Reimplemented from ilLPStatus.

Definition at line 71 of file class.ilLPStatusTypicalLearningTime.php.

References ilMDEducational\_getTypicalLearningTimeSeconds().

Referenced by _getCompleted(), _getInProgress(), and determineStatus().

        {
                include_once './Services/MetaData/classes/class.ilMDEducational.php';
                $status_info['tlt'] = ilMDEducational::_getTypicalLearningTimeSeconds($a_obj_id);

                return $status_info;
        }

Here is the call graph for this function:

Here is the caller graph for this function:

ilLPStatusTypicalLearningTime::determinePercentage	(		$a_obj_id,
			$a_user_id,
			$a_obj = null
	)

Determine percentage.

Parameters

integer	object id
integer	user id
object	object (optional depends on object type)

Returns

integer percentage

Reimplemented from ilLPStatus.

Definition at line 123 of file class.ilLPStatusTypicalLearningTime.php.

References ilMDEducational\_getTypicalLearningTimeSeconds(), and ilChangeEvent\_lookupReadEvents().

        {
                $tlt = (int) ilMDEducational::_getTypicalLearningTimeSeconds($a_obj_id);
                $re = ilChangeEvent::_lookupReadEvents($a_obj_id, $a_user_id);
                $spent = (int) $re[0]["spent_seconds"];

                if ($tlt > 0)
                {
                        $per = min(100, 100 / $tlt * $spent);
                }
                else
                {
                        $per = 100;
                }

                return $per;
        }

Here is the call graph for this function:

ilLPStatusTypicalLearningTime::determineStatus	(		$a_obj_id,
			$a_user_id,
			$a_obj = null
	)

Determine status.

Parameters

integer	object id
integer	user id
object	object (optional depends on object type)

Returns

integer status

Reimplemented from ilLPStatus.

Definition at line 87 of file class.ilLPStatusTypicalLearningTime.php.

References $ilDB, _getStatusInfo(), ilChangeEvent\_lookupReadEvents(), ilChangeEvent\hasAccessed(), LP_STATUS_COMPLETED_NUM, LP_STATUS_IN_PROGRESS_NUM, and LP_STATUS_NOT_ATTEMPTED_NUM.

        {
                global $ilObjDataCache, $ilDB;
                
                $status = LP_STATUS_NOT_ATTEMPTED_NUM;
                switch ($ilObjDataCache->lookupType($a_obj_id))
                {
                        case 'lm':
                                if (ilChangeEvent::hasAccessed($a_obj_id, $a_user_id))
                                {
                                        $status = LP_STATUS_IN_PROGRESS_NUM;
                                        
                                        // completed?
                                        $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
                                        $tlt = $status_info['tlt'];

                                        include_once './Services/Tracking/classes/class.ilChangeEvent.php';
                                        $re = ilChangeEvent::_lookupReadEvents($a_obj_id, $a_user_id);
                                        if ($re[0]['spent_seconds'] >= $tlt)
                                        {
                                                $status = LP_STATUS_COMPLETED_NUM;
                                        }
                                }
                                break;                  
                }
                return $status;         
        }               

Here is the call graph for this function:

ilLPStatusTypicalLearningTime::ilLPStatusTypicalLearningTime

(

$a_obj_id

)

Definition at line 18 of file class.ilLPStatusTypicalLearningTime.php.

References $ilDB, and ilLPStatus\ilLPStatus().

        {
                global $ilDB;

                parent::ilLPStatus($a_obj_id);
                $this->db =& $ilDB;
        }

Here is the call graph for this function:

---

The documentation for this class was generated from the following file:

• Services/Tracking/classes/class.ilLPStatusTypicalLearningTime.php