/**
* Convenience method for obtaining the teacher of the section
*/
function getSectionsUser()
{
$teachers = CoursePrefsTeacher::findBySectionId($this->sectionsid);
foreach ($teachers as $teacher) {
if ($teacher->getPrimaryFlag()) {
return CoursePrefsUser::findById($teacher->getUsersId());
}
}
}
function process_enrollment($user, $section, $fields)
{
global $CFG;
$role = (int) $fields[0];
// Student role=1
// Else it's a Teacher primary role=2
if ($role == 1) {
$status = lookup_statuscode($fields[1], STATUSCODE_TYPE_STUDENT);
$student = CoursePrefsStudent::findByUnique($section->getId(), $user->getId());
$credit_hours = $fields[4];
if (!$student && $status == 'unenroll') {
throw new Exception(get_string('cant_drop', 'block_courseprefs'));
} else {
if (!$student) {
$student = new CoursePrefsStudent($section->getId(), $user->getId(), $status, $credit_hours);
} else {
// Recalculate hours
$student->findHours($status, $credit_hours);
}
}
try {
$student->save();
} catch (Exception $e) {
throw new Exception($e->getMessage());
}
// Time to add a log entry for this course
CoursePrefsLog::add_to_log($user->getId(), $section->getId(), strtotime($fields[2]), $status, strtotime($fields[3]));
} else {
$status = lookup_statuscode($fields[1], STATUSCODE_TYPE_TEACHER);
$primary_flag = $role == 2 ? 1 : 0;
$teacher = CoursePrefsTeacher::findByUnique($user->getId(), $section->getId(), $primary_flag);
// In the event that the teacher does not exist, and the mainframe
// gives us a non-primary teacher drop, then change the info to be a
// primary teacher drop.
if (!$teacher && !$primary_flag && $status == 'unenroll') {
$role = 2;
$teacher = CoursePrefsTeacher::findByUnique($user->getId(), $section->getId(), 1);
}
if (!$teacher) {
$teacher = new CoursePrefsTeacher($section->getId(), $user->getId(), $primary_flag, $status);
}
/*
$teacher->setPrimaryFlag($primary_flag);
*/
$teacher->setStatus($status);
$teacher->setTimeStamp(strtotime($fields[2]));
try {
$teacher->save();
CoursePrefsLog::add_to_log($user->getId(), $section->getId(), strtotime($fields[2]), $status, 'Teacher event');
} catch (Exception $e) {
throw new Exception($e->getMessage());
}
// Great job; now if the primary teacher is being dropped, mark the section as pending
// cron will take care of the rest
if ($role == 2 && $status == 'unenroll') {
$section->setStatus('pending');
$section->save();
// Clean any preference that was applied
foreach (array('crosslist', 'split') as $pref) {
$sql = "UPDATE {$CFG->prefix}block_courseprefs_{$pref}\n SET status='todo'\n WHERE sectionsid={$section->getId()}";
execute_sql($sql, false);
// delete_records('block_courseprefs_'.$pref, 'sectionsid', $section->getId());
}
}
}
}
function validation($data)
{
global $USER;
$errorlog = array();
$form_errorlog = $this->_form->_errors;
// Skip processing group if there were errors with any of the related group fields
if ($form_errorlog[TEXTBOX_GROUP] || $form_errorlog[SECTIONSID_FIELD]) {
return $errorlog;
}
// Parse form submission and glean necessary information
$section_id = $data[SECTIONSID_FIELD];
$department = $data[DEPARTMENT_FIELD];
$course_number = $data[COURSE_NUMBER_FIELD];
$section_number = $data[SECTION_NUMBER_FIELD];
// Build sections ID to courses ID lookup for data validation
$user = CoursePrefsUser::findByUnique($USER->username);
$sections = $user->getSectionsAsTeacher();
// Log an error if the user isn't the primary teacher of the section selected
if (!($sections[$section_id] && $user->isPrimaryTeacher($sections[$section_id]))) {
$errorlog[TEXTBOX_GROUP] = get_string('err_not_primary', 'block_courseprefs');
return $errorlog;
}
// Log an error if the section selected doesn't exist
$users_section = $sections[$section_id];
if (!$users_section) {
$errorlog[TEXTBOX_GROUP] = get_string('err_unknown_section', 'block_courseprefs');
return $errorlog;
}
// Retrieve course related to critera and log an error if course doesn't exist
$course = CoursePrefsCourse::findByUnique($department, $course_number);
if (!$course) {
$errorlog[TEXTBOX_GROUP] = get_string('err_unknown_course', 'block_courseprefs');
return $errorlog;
}
// Retrieve section related to critera and log an error if course doesn't exist
$section = CoursePrefsSection::findByUnique($users_section->getSemestersId(), $course->getId(), $section_number);
if (!$section) {
$errorlog[TEXTBOX_GROUP] = get_string('err_unknown_section', 'block_courseprefs');
return $errorlog;
}
// Log an error if the user has already selected these sections to be team taught
if (CoursePrefsTeamTeach::findByUnique($user->getId(), $users_section->getId(), $section->getId())) {
$errorlog[TEXTBOX_GROUP] = get_string('err_same_teamteach', 'block_courseprefs');
return $errorlog;
}
// Determine the primary teacher of the foreign section
$teachers = CoursePrefsTeacher::findBySectionId($section->getId());
$teacher_primary = null;
foreach ($teachers as $teacher) {
// Skip if teacher is not the primary teacher
if (!$teacher->getPrimaryFlag()) {
continue;
}
$teacher_primary = $teacher;
break;
}
// Log an error if there isn't a primary teacher to notify or if the user teaches both courses.
// Otherwise, store the ids of the sections selected for team teaching
if (!$teacher_primary) {
$errorlog[TEXTBOX_GROUP] = get_string('no_instructor', 'block_courseprefs');
} else {
if ($teacher_primary->getUsersId() == $user->getId()) {
$errorlog[TEXTBOX_GROUP] = get_string('same_teacher', 'block_courseprefs');
} else {
$this->section_selections = $section_id;
$this->secondary_teamteaches = $section->getId();
}
}
return $errorlog;
}