Preconditions

This page is work in progress.

Precondition Triggers and Conditions

This is a list of components that can become precondition triggers and their related condition types (status 4.4):

1. Course

   • passed: Course Passed Status (DB: obj_members.passed == 1)
     • Implementation: ilObjCourse::_checkCondition() => ilCourseParticipants::_hasPassed()
     • LP: only if sync active !
       • LP_MODE_MANUAL_BY_TUTOR: ilObjCourseGUI::updateLPFromStatus()[ok]
       • LP_MODE_COLLECTION: will overwrite course passed status if not set manually [problem?]
2. Exercise

   • passed: Exercise Passed Status (DB: exc_members.status == "passed")
     • Implementation: ilObjExercise::_checkCondition() => ilExerciseMembers::_lookupStatus()
     • LP: ilLPStatusExerciseReturned::determineStatus() => ilExerciseMembers::_lookupStatus()[ok]

3. Learning Module SCORM

   • finished selected SCO(s): LP (DB: ut_lp_marks.status == ilLPStatus::LP_STATUS_COMPLETED_NUM)
     • Implementation: ilLPStatus::_hasUserCompleted()
     • It seems that the LP SCO collection is used and cannot be altered (for each reference)
4. Survey

   • finished: Survey Finished Status (DB: svy_finished.state == 1)
     • Implementation: ilObjSurvey::_checkCondition() => ilObjSurveyAccess::_lookupFinished()
     • LP: none
5. Test

   • finished: Test Finished Status (DB: tst_active.tries > 0)
     • Implementation: ilObjTestAccess::_checkCondition() => ilObjTestAccess::_hasFinished()
     • LP: ilLPStatusTestPassed::determineStatus() [direct DB access, should be changed?]
   • not finished
     • Implementation: ! finished
   • passed: Test Passed Status (complex processing)
     • Implementation: ilObjTestAccess::_checkCondition() => ilObjTestAccess::_isPassed()
     • LP: ilLPStatusTestPassed::determineStatus() => ilObjTestAccess::_isPassed() [ok]


Implementation

The conditions are checked using
ilConditionHandler::_checkCondition()
The methods called differ for each object type - see above.
 
ilObjCourseGrouping is only used internally and not relevant for any precondition refactoring.