Abstract class ilLPStatus for all learning progress modes E.g ilLPStatusManual, ilLPStatusObjectives ... More...

Inheritance diagram for ilLPStatus:

Collaboration diagram for ilLPStatus:

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

Static Public Member Functions
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
	$obj_id = null
	$db = null

Detailed Description

Abstract class ilLPStatus for all learning progress modes E.g ilLPStatusManual, ilLPStatusObjectives ...

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

Version

Id:: class.ilLPStatus.php 37281 2012-10-01 14:31:20Z jluetzen

Definition at line 31 of file class.ilLPStatus.php.

Member Function Documentation

ilLPStatus::_getCompleted ( $a_obj_id )

Reimplemented in ilLPStatusManualByTutor, ilLPStatusCollection, ilLPStatusManual, ilLPStatusObjectives, ilLPStatusEvent, ilLPStatusExerciseReturned, ilLPStatusTestPassed, ilLPStatusSCORM, ilLPStatusSCORMPackage, ilLPStatusTypicalLearningTime, ilLPStatusVisits, and ilLPStatusTestFinished.

Definition at line 68 of file class.ilLPStatus.php.

Referenced by refreshStatus().

        {
                return array();
        }

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ilLPStatus::_getCountCompleted ( $a_obj_id )

Definition at line 64 of file class.ilLPStatus.php.

        {
                return 0;
        }

ilLPStatus::_getCountFailed ( )

Definition at line 76 of file class.ilLPStatus.php.

        {
                return 0;
        }

ilLPStatus::_getCountInProgress ( $a_obj_id )

Definition at line 55 of file class.ilLPStatus.php.

        {
                return 0;
        }

ilLPStatus::_getCountNotAttempted ( $a_obj_id )

Definition at line 45 of file class.ilLPStatus.php.

        {
                return 0;
        }

ilLPStatus::_getFailed ( $a_obj_id )

Reimplemented in ilLPStatusCollection, ilLPStatusSCORM, ilLPStatusTestPassed, ilLPStatusExerciseReturned, and ilLPStatusSCORMPackage.

Definition at line 72 of file class.ilLPStatus.php.

Referenced by refreshStatus().

        {
                return array();
        }

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ilLPStatus::_getInProgress ( $a_obj_id )

Reimplemented in ilLPStatusManualByTutor, ilLPStatusCollection, ilLPStatusManual, ilLPStatusObjectives, ilLPStatusEvent, ilLPStatusExerciseReturned, ilLPStatusSCORM, ilLPStatusTestPassed, ilLPStatusSCORMPackage, ilLPStatusVisits, ilLPStatusTestFinished, and ilLPStatusTypicalLearningTime.

Definition at line 59 of file class.ilLPStatus.php.

Referenced by refreshStatus().

        {
                return array();
        }

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ilLPStatus::_getNotAttempted ( $a_obj_id )

Reimplemented in ilLPStatusManualByTutor, ilLPStatusExerciseReturned, ilLPStatusCollection, ilLPStatusEvent, ilLPStatusObjectives, and ilLPStatusManual.

Definition at line 50 of file class.ilLPStatus.php.

Referenced by refreshStatus().

        {
                return array();
        }

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ilLPStatus::_getStatusInfo ( $a_obj_id )

Reimplemented in ilLPStatusCollection, ilLPStatusSCORM, ilLPStatusTestPassed, ilLPStatusObjectives, ilLPStatusEvent, ilLPStatusTypicalLearningTime, ilLPStatusSCORMPackage, and ilLPStatusVisits.

Definition at line 80 of file class.ilLPStatus.php.

        {
                return array();
        }

ilLPStatus::_getTypicalLearningTime ( $a_obj_id )

Reimplemented in ilLPStatusCollection.

Definition at line 84 of file class.ilLPStatus.php.

References ilMDEducational\_getTypicalLearningTimeSeconds().

        {
                include_once 'Services/MetaData/classes/class.ilMDEducational.php';
                return ilMDEducational::_getTypicalLearningTimeSeconds($a_obj_id);
        }

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ilLPStatus::_updateStatus	(	$a_obj_id,
		$a_usr_id,
		$a_obj = `null`
	)

New status handling (st: status, nr: accesses, p: percentage, t: time spent, m: mark)

Learning progress:

lm: ilLPStatusManual (st, nr, t, ok, p-, m-), ilLPStatusVisits (st, nr, p, t, ok, m-), ilLPStatusTypicalLearningTime (st, nr, p, t, ok, m-)
dbk: ilLPStatusManual (st, nr, t ok, p-, m-)
htlm: ilLPStatusManual (st, nr, t, m ok, p-) (but mark handling different than lm/dbk)
crs: ilLPStatusManualByTutor (st ok), ilLPStatusObjectives (st ok), ilLPStatusCollection
grp: ilLPStatusManualByTutor, ilLPStatusCollection
fold: ilLPStatusCollection
session: ilLPStatusEvent (st ok, nr and t only for infoscreen, comment and mark are not saved in learning progress table!)
exercise: ilLPStatusExerciseReturned (st, nr, m ok, t-, p-)
scorm: ilLPStatusSCORM (st, nr, p, t, m ok), ilLPStatusSCORMPackage (st, nr, t, m ok, p-)
tst: ilLPStatusTestFinished (st, nr, t, p ok, mark not synced), ilLPStatusTestPassed (st, nr, t ok, p-, mark not synced)

Added determine Status to:

Updating the status:

ilLPStatus::setInProgressIfNotAttempted($a_obj_id, $a_user_id) added to: – ilLearningProgress->_tracProgress() – ilTestSession->saveToDb()

ilChangeEvent::_recordReadEvent() added to: – ilObjSessionGUI->infoScreen()

- ilLearningProgress->_tracProgress() added to:

ilLPStatusWrapper::_updateStatus($a_obj_id, $a_user_id); added to: – ilInfoScreenGUI->saveProgress() – ilLMPresentation->ilPage() – ilLPListOfObjectsGUI->updateUser() – ilCourseObjectiveResult->reset() – ilCourseObjectiveResult->__updatePassed() – ilEventParticipants->updateUser() – ilEventParticipants->_updateParticipation() – ilEventParticipants->_register() – ilEventParticipants->_unregister() – ilExerciseMembers->assignMember() – ilExerciseMembers->deassignMember() – ilExerciseMembers->ilClone() – ilExerciseMembers->writeStatus() – ilExerciseMembers->writeReturned() – ilSCORM13Player->writeGObjective() – ilObjSCORM2004LearningModule->deleteTrackingDataOfUsers() – ilObjSCORM2004LearningModule->importSuccess() – ilObjSCORM2004LearningModuleGUI->confirmedDeleteTracking() – ilSCORM13Player->removeCMIData() – ilSCORM13Player->setCMIData() – ilObjSCORMLearningModule->importSuccess() – ilObjSCORMLearningModule->importRaw() – ilObjSCORMLearningModuleGUI->confirmedDelete() – ilObjSCORMLearningModuleGUI->decreaseAttempt() – ilObjSCORMTracking->store() – ilObjSCORMTracking-> _insertTrackData() – ilSCORMPresentationGUI->increaseAttempt() – ilSCORMPresentationGUI->save_module_version() – ilTestScoringGUI->setPointsManual() – ilTestSession->increaseTestPass() – ilTestSession->saveToDb()

ilLPStatusWrapper::_refreshStatus($a_ojb_id); aufgenommen in: – ilCourseObjective->add() – ilCourseObjective->delete() – ilCourseObjective->deleteAll() – ilExerciseMembers->delete() – ilSCORM13Package->removeCMIData() – ilAICCCourse->delete() – ilAICCUnit->delete() – ilObjAICCLearningModule->delete() – ilSCORMItem->delete() – ilLPStatusWrapper->update() – ilLPListOfSettingsGUI->assign() – ilLPListOfSettingsGUI->deassign()

external time/access values for read events ilChangeEvent::_recordReadEvent($a_obj_id, $a_user_id, false, $attempts, $time); – ilObjSCORMTracking->_syncReadEvent in ilObjSCORMTracking->store() (add to refresh) – ilSCORM2004Tracking->_syncReadEvent in ilSCORM13Player->setCMIData() Write status

Parameters

@return

Definition at line 191 of file class.ilLPStatus.php.

References determinePercentage(), determineStatus(), and writeStatus().

Referenced by refreshStatus(), setInProgressIfNotAttempted(), and writeStatus().

        {
                $status = $this->determineStatus($a_obj_id, $a_usr_id, $a_obj);
                $percentage = $this->determinePercentage($a_obj_id, $a_usr_id, $a_obj);
                ilLPStatus::writeStatus($a_obj_id, $a_usr_id, $status, $percentage);
        }

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static ilLPStatus::checkStatusForObject	(	$a_obj_id,
		$a_users = `false`
	)

static

This function checks whether the status for a given number of users is dirty and must be recalculated.

"Missing" records are not inserted!

Parameters

@return

Definition at line 228 of file class.ilLPStatus.php.

References $ilDB, and ilLPStatusFactory\_getClassById().

Referenced by ilTrQuery\refreshObjectsStatus().

        {
                global $ilDB;
//@todo: there maybe the need to add extra handling for sessions here, since the
// "in progress" status is time dependent here. On the other hand, if they registered
// to the session, they already accessed the course and should have a "in progress"
// anyway. But the status on the session itself may not be correct.
                $sql = "SELECT usr_id FROM ut_lp_marks WHERE ".
                        " obj_id = ".$ilDB->quote($a_obj_id, "integer")." AND ".
                        " status_dirty = ".$ilDB->quote(1, "integer");
                if(is_array($a_users) && count($a_users) > 0)
                {
                        $sql .= " AND ".$ilDB->in("usr_id", $a_users, false, "integer");        
                }                       
                $set = $ilDB->query($sql);
                $dirty = false;
                if ($rec = $ilDB->fetchAssoc($set))
                {
                        $dirty = true;
                }
                // check if any records are missing
                $missing = false;
                if (!$dirty && is_array($a_users) && count($a_users) > 0)
                {
                        $set = $ilDB->query("SELECT count(usr_id) cnt FROM ut_lp_marks WHERE ".
                                " obj_id = ".$ilDB->quote($a_obj_id, "integer")." AND ".
                                $ilDB->in("usr_id", $a_users, false, "integer"));
                        $r = $ilDB->fetchAssoc($set);
                        if ($r["cnt"] < count($a_users))
                        {
                                $missing = true;
                        }
                }
                // refresh status, if records are dirty or missing
                if ($dirty || $missing)
                {
                        $class = ilLPStatusFactory::_getClassById($a_obj_id);
                        $trac_obj = new $class($a_obj_id);
                        $trac_obj->refreshStatus($a_obj_id, $a_users);
                }
        }

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ilLPStatus::determinePercentage	(	$a_obj_id,
		$a_usr_id,
		$a_obj = `null`
	)

Determine percentage.

Parameters

@return

Reimplemented in ilLPStatusSCORM, ilLPStatusTestPassed, ilLPStatusTypicalLearningTime, and ilLPStatusVisits.

Definition at line 204 of file class.ilLPStatus.php.

Referenced by _updateStatus(), and refreshStatus().

        {
                return false;
        }

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ilLPStatus::determineStatus	(	$a_obj_id,
		$a_usr_id,
		$a_obj = `null`
	)

Determine status.

Parameters

@return

Reimplemented in ilLPStatusCollection, ilLPStatusManualByTutor, ilLPStatusSCORM, ilLPStatusManual, ilLPStatusObjectives, ilLPStatusTestPassed, ilLPStatusEvent, ilLPStatusExerciseReturned, ilLPStatusTestFinished, ilLPStatusSCORMPackage, ilLPStatusTypicalLearningTime, and ilLPStatusVisits.

Definition at line 215 of file class.ilLPStatus.php.

Referenced by _updateStatus().

        {
                return false;
        }

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ilLPStatus::ilLPStatus ( $a_obj_id )

Definition at line 37 of file class.ilLPStatus.php.

References $ilDB.

Referenced by ilLPStatusManualByTutor\__construct(), ilLPStatusCollection\ilLPStatusCollection(), ilLPStatusEvent\ilLPStatusEvent(), ilLPStatusManual\ilLPStatusManual(), ilLPStatusObjectives\ilLPStatusObjectives(), ilLPStatusSCORM\ilLPStatusSCORM(), ilLPStatusSCORMPackage\ilLPStatusSCORMPackage(), ilLPStatusTestFinished\ilLPStatusTestFinished(), ilLPStatusTestPassed\ilLPStatusTestPassed(), ilLPStatusTypicalLearningTime\ilLPStatusTypicalLearningTime(), ilLPStatusVisits\ilLPStatusVisits(), and ilLPStatusExerciseReturned\ilLPStatusVisits().

        {
                global $ilDB;
                $this->obj_id = $a_obj_id;
                $this->db =& $ilDB;
        }

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ilLPStatus::refreshStatus	(	$a_obj_id,
		$a_users = `null`
	)

Refresh status.

Parameters

@return

Definition at line 280 of file class.ilLPStatus.php.

References $failed, _getCompleted(), _getFailed(), _getInProgress(), _getNotAttempted(), _updateStatus(), determinePercentage(), LP_STATUS_COMPLETED_NUM, LP_STATUS_FAILED_NUM, LP_STATUS_IN_PROGRESS_NUM, LP_STATUS_NOT_ATTEMPTED_NUM, and writeStatus().

        {
                include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
                $not_attempted = ilLPStatusWrapper::_getNotAttempted($a_obj_id);
                foreach ($not_attempted as $user_id)
                {
                        $percentage = $this->determinePercentage($a_obj_id, $user_id);
                        ilLPStatus::writeStatus($a_obj_id, $user_id, LP_STATUS_NOT_ATTEMPTED_NUM, $percentage, true);
                }
                $in_progress = ilLPStatusWrapper::_getInProgress($a_obj_id);
                foreach ($in_progress as $user_id)
                {
                        $percentage = $this->determinePercentage($a_obj_id, $user_id);
                        ilLPStatus::writeStatus($a_obj_id, $user_id, LP_STATUS_IN_PROGRESS_NUM, $percentage, true);
                }
                $completed = ilLPStatusWrapper::_getCompleted($a_obj_id);
                foreach ($completed as $user_id)
                {
                        $percentage = $this->determinePercentage($a_obj_id, $user_id);
                        ilLPStatus::writeStatus($a_obj_id, $user_id, LP_STATUS_COMPLETED_NUM, $percentage, true);
                }
                $failed = ilLPStatusWrapper::_getFailed($a_obj_id);
                foreach ($failed as $user_id)
                {
                        $percentage = $this->determinePercentage($a_obj_id, $user_id);
                        ilLPStatus::writeStatus($a_obj_id, $user_id, LP_STATUS_FAILED_NUM, $percentage, true);
                }
                if($a_users)
                {               
                        $missing_users = array_diff($a_users, $not_attempted+$in_progress+$completed+$failed);                  
                        if($missing_users)
                        {
                                foreach ($missing_users as $user_id)
                                {               
                                        ilLPStatusWrapper::_updateStatus($a_obj_id, $user_id);
                                }
                        }
                }
        }

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static ilLPStatus::setAllDirty ( )

static

Sets all status to dirty.

For testing puproses.

Parameters

@return

Definition at line 474 of file class.ilLPStatus.php.

References $ilDB.

        {
                global $ilDB;
        
                $ilDB->manipulate("UPDATE ut_lp_marks SET ".
                        " status_dirty = ".$ilDB->quote(1, "integer")
                        );
                
        }

static ilLPStatus::setDirty ( $a_obj_id )

static

Sets status of an object to dirty.

Parameters

integer object id

Returns

Definition at line 490 of file class.ilLPStatus.php.

References $ilDB.

        {
                global $ilDB;
        
                $ilDB->manipulate("UPDATE ut_lp_marks SET ".
                        " status_dirty = ".$ilDB->quote(1, "integer").
                        " WHERE obj_id = ".$ilDB->quote($a_obj_id, "integer")
                        );
                
        }

static ilLPStatus::setInProgressIfNotAttempted	(	$a_obj_id,
		$a_user_id
	)

static

This function shoudl be clalled for normal "read events".

The "in progress" status is only written, if current status is "NOT ATTEMPTED"

Definition at line 412 of file class.ilLPStatus.php.

References $ilDB, $ret, ilObject\_lookupType(), _updateStatus(), LP_STATUS_IN_PROGRESS_NUM, and LP_STATUS_NOT_ATTEMPTED_NUM.

Referenced by ilLearningProgress\_tracProgress().

        {
                global $ilDB;
                $set = $ilDB->query("SELECT usr_id FROM ut_lp_marks WHERE ".
                        " obj_id = ".$ilDB->quote($a_obj_id, "integer")." AND ".
                        " usr_id = ".$ilDB->quote($a_user_id, "integer")
                        );
                $update_collections = false;
                if ($rec  = $ilDB->fetchAssoc($set))
                {
                        $ret = $ilDB->manipulate("UPDATE ut_lp_marks SET ".
                                " status = ".$ilDB->quote(LP_STATUS_IN_PROGRESS_NUM, "integer").",".
                                " status_changed = ".$ilDB->now().",".
                                " status_dirty = ".$ilDB->quote(0, "integer").
                                " WHERE usr_id = ".$ilDB->quote($a_user_id, "integer").
                                " AND obj_id = ".$ilDB->quote($a_obj_id, "integer").
                                " AND status = ".$ilDB->quote(LP_STATUS_NOT_ATTEMPTED_NUM, "integer")
                                );
                        if ($ret != 0)
                        {
                                $update_collections = true;
                        }
                }
                else
                {
                        $ilDB->manipulate("INSERT INTO ut_lp_marks ".
                                "(status, status_changed, usr_id, obj_id, status_dirty) VALUES (".
                                $ilDB->quote(LP_STATUS_IN_PROGRESS_NUM, "integer").",".
                                $ilDB->now().",".
                                $ilDB->quote($a_user_id, "integer").",".
                                $ilDB->quote($a_obj_id, "integer").",".
                                $ilDB->quote(0, "integer").
                                ")");
                        $update_collections = true;
                }
                // update collections
                if ($update_collections)
                {
                        $set = $ilDB->query("SELECT ut_lp_collections.obj_id obj_id FROM ".
                                "object_reference JOIN ut_lp_collections ON ".
                                "(object_reference.obj_id = ".$ilDB->quote($a_obj_id, "integer").
                                " AND object_reference.ref_id = ut_lp_collections.item_id)");
                        while ($rec = $ilDB->fetchAssoc($set))
                        {
                                if (in_array(ilObject::_lookupType($rec["obj_id"]), array("crs", "grp", "fold")))
                                {
                                        include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
                                        ilLPStatusWrapper::_updateStatus($rec["obj_id"], $a_user_id);
                                }
                        }
                }
        }

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static ilLPStatus::writeStatus	(	$a_obj_id,
		$a_user_id,
		$a_status,
		$a_percentage = `false`,
		$a_force_per = `false`
	)

static

Write status for user and object.

Parameters

@return

Definition at line 326 of file class.ilLPStatus.php.

References $ilDB, $ret, ilObject\_lookupType(), ilLPStatusWrapper\_removeStatusCache(), and _updateStatus().

Referenced by _updateStatus(), and refreshStatus().

        {
                global $ilDB;
                $set = $ilDB->query("SELECT usr_id FROM ut_lp_marks WHERE ".
                        " obj_id = ".$ilDB->quote($a_obj_id, "integer")." AND ".
                        " usr_id = ".$ilDB->quote($a_user_id, "integer")
                        );
                
                $update_collections = false;
                if ($rec  = $ilDB->fetchAssoc($set))
                {
                        $ret = $ilDB->manipulate("UPDATE ut_lp_marks SET ".
                                " status = ".$ilDB->quote($a_status, "integer").",".
                                " status_changed = ".$ilDB->now().",".
                                " status_dirty = ".$ilDB->quote(0, "integer").
                                " WHERE usr_id = ".$ilDB->quote($a_user_id, "integer").
                                " AND obj_id = ".$ilDB->quote($a_obj_id, "integer").
                                " AND status <> ".$ilDB->quote($a_status, "integer")
                                );
                        if ($ret != 0)
                        {
                                $update_collections = true;
                        }
                }
                else
                {
                        $ilDB->manipulate("INSERT INTO ut_lp_marks ".
                                "(status, status_changed, usr_id, obj_id, status_dirty) VALUES (".
                                $ilDB->quote($a_status, "integer").",".
                                $ilDB->now().",".
                                $ilDB->quote($a_user_id, "integer").",".
                                $ilDB->quote($a_obj_id, "integer").",".
                                $ilDB->quote(0, "integer").
                                ")");
                        $update_collections = true;
                }
                // always reset dirty flag
                $ilDB->manipulate("UPDATE ut_lp_marks SET ".
                        " status_dirty = ".$ilDB->quote(0, "integer").
                        " WHERE usr_id = ".$ilDB->quote($a_user_id, "integer").
                        " AND obj_id = ".$ilDB->quote($a_obj_id, "integer")
                        );
                
                // update percentage
                if ($a_percentage !== false || $a_force_per)
                {
                        $a_percentage = max(0, (int) $a_percentage);
                        $a_percentage = min(100, $a_percentage);
                        $ret = $ilDB->manipulate("UPDATE ut_lp_marks SET ".
                                " percentage = ".$ilDB->quote($a_percentage, "integer").
                                " WHERE usr_id = ".$ilDB->quote($a_user_id, "integer").
                                " AND obj_id = ".$ilDB->quote($a_obj_id, "integer")
                                );
                }
                // update collections
                if ($update_collections)
                {
                        // a change occured - remove existing cache entry
                        include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
                        ilLPStatusWrapper::_removeStatusCache($a_obj_id, $a_user_id);
                        
                        $set = $ilDB->query("SELECT ut_lp_collections.obj_id obj_id FROM ".
                                "object_reference JOIN ut_lp_collections ON ".
                                "(object_reference.obj_id = ".$ilDB->quote($a_obj_id, "integer").
                                " AND object_reference.ref_id = ut_lp_collections.item_id)");
                        while ($rec = $ilDB->fetchAssoc($set))
                        {
                                if (in_array(ilObject::_lookupType($rec["obj_id"]), array("crs", "grp", "fold")))
                                {
                                        // just to make sure - remove existing cache entry 
                                        ilLPStatusWrapper::_removeStatusCache($rec["obj_id"], $a_user_id);
                                        
                                        ilLPStatusWrapper::_updateStatus($rec["obj_id"], $a_user_id);
                                }
                        }
                }
        }

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Field Documentation

ilLPStatus::$db = null

Definition at line 35 of file class.ilLPStatus.php.

ilLPStatus::$obj_id = null

Definition at line 33 of file class.ilLPStatus.php.

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

Services/Tracking/classes/class.ilLPStatus.php

Public Member Functions

Static Public Member Functions

Data Fields

Detailed Description

Member Function Documentation

- ilLearningProgress->_tracProgress() added to:

Field Documentation