/**
* Function to handle the category_deleted-event
*
* @param object $eventdata - the event's data
*/
function category_deleted_handler($eventdata)
{
global $CFG;
$isinteresting = false;
//we assume that this is not relevant - check!
//if there is no class with an instance of mumiemodule in the parent category, then we can be sure that this event is not interesting
//but if there is at least one, we can not be sure - so we better try to send all information
if ($cat_classes = get_courses($semester->parent, 'c.id')) {
foreach ($cat_classes as $cat_class) {
if (record_exists('mumiemodule', 'course', $cat_class->id)) {
$isinteresting = true;
break;
}
}
}
if ($isinteresting) {
event_logoutput("category_deleted_handler called \n", $eventdata);
$js = new JapsSynchronise();
$deletedsem = new object();
$deletedsem->syncid = 'moodle-' . $CFG->prefix . 'course_categories-' . $eventdata->id;
$deletedsem->parent = 'moodle-' . $CFG->prefix . 'course_categories-' . $eventdata->parent;
//we try to insert the parent-category as a new semester into MUMIE
$cat = get_record('course_categories', 'id', $eventdata->parent, '', '', '', '', 'name');
$newsemester = new object();
$newsemester->syncid = $deletedsem->parent;
$newsemester->name = $cat->name;
$newsemester->description = 'a Moodle-category as semester';
insert_semester_for_mumie($newsemester, $js);
//the courses were moved from the deleted category into the parent category
//so we have to change them before deleting the category
if ($cat_classes = get_courses($semester->parent, $fields = 'c.id')) {
//TODO: isn't this deprecated???
foreach ($cat_classes as $cat_class) {
if (record_exists('mumiemodule', 'course', $cat_class->id)) {
$classtochange = new object();
$classtochange->syncid = 'moodle-' . $CFG->prefix . 'course-' . $cat_class->id;
$classtochange->semester = $deletedsem->parent;
change_class_for_mumie($classtochange, $js);
}
}
}
//delete_semester_for_mumie($deletedsem);
}
return true;
}
/**
* Function to insert all neccesarry information out of a new MUMIE-module into MUMIE
*
* @param object $insert - big object with all information
*/
function insert_all_for_mumie($insert)
{
global $CFG;
global $COURSE;
$js = new JapsSynchronise();
//first we insert the new semester if MUMIE does not know it yet
$semesterexists = check_semester($insert->semester);
if (!$semesterexists) {
insert_semester_for_mumie($insert->semester, $js);
}
//now we insert the new class
$newclass = new object();
$newclass->syncid = $insert->syncid;
$newclass->name = $insert->name;
$newclass->description = $insert->description;
$newclass->semester = $insert->semester->syncid;
$newclass->lecturers = '';
//let's be sure to have all lecturers as users in the MUMIE DB
if ($insert->lecturers) {
foreach ($insert->lecturers as $lecturer) {
//perhaps the lecturer is already in the MUMIE
$lecturerexists = check_lecturer($lecturer);
if (!$lecturerexists) {
insert_user_for_mumie($lecturer, $js);
}
$newclass->lecturers .= $lecturer->syncid . ' ';
}
}
$newclass->mumie_course_id = $insert->mumie_course_id;
insert_class_for_mumie($newclass, $js);
//next is the tutorials
if ($insert->tutorials) {
foreach ($insert->tutorials as $tutorial) {
//we should make sure that the tutor is a user in the Mumie DB
if ($tutorial->tutor) {
//perhaps the tutor is already in the MUMIE
$tutorexists = check_tutor($tutorial->tutor);
$tutor_is_lecturer = check_lecturer($tutorial->tutor);
if (!$tutorexists && !$tutor_is_lecturer) {
insert_user_for_mumie($tutorial->tutor, $js);
}
$tutorial->tutor = $tutorial->tutor->syncid;
} else {
//no tutor => insert dummy
$tutorial->tutor = 'moodle-dummy_tutor';
}
$tutorial->classid = $insert->syncid;
insert_tutorial_for_mumie($tutorial, $js);
if ($tutorial->students) {
foreach ($tutorial->students as $student) {
//perhaps MUMIE already knows this student so we first check
$studentexists = check_student($student);
if (!$studentexists) {
insert_user_for_mumie($student, $js);
}
add_user_to_mumie_tutorial($student->syncid, $tutorial->syncid, $js);
}
}
}
}
}