function get_authoriser($author_id, $modular, $role, $fields)
{
global $DB;
$authoriser_id = 0;
if ($role == 1) {
// CSA
$authoriser = get_complete_user_data('username', 'csa');
$authoriser_id = $authoriser->id;
} else {
if ($role == 2) {
// Module Leader
$modules = get_current_modules();
$module_id = array_search(strtoupper($fields['module']), $modules, true);
$authoriser_id = get_module_leader($module_id);
} else {
if ($role == 3) {
// Subject Coordinator
if ($fields['course']) {
// Might not be present (or might not be mandatory)
$courses = get_current_courses();
$course_id = array_search(strtoupper($fields['course']), $courses, true);
} else {
// Get the author's current course (programme)
$courses = get_current_courses($author_id, $modular);
$course_id = key($courses);
}
if ($course_id) {
$context = context_course::instance($course_id);
$sc_role = $DB->get_record('role', array('shortname' => 'subject_coordinator'), 'id', MUST_EXIST);
$subject_coordinators = get_role_users($sc_role->id, $context, false, 'u.id');
// Exclude inherited roles
foreach ($subject_coordinators as $subject_coordinator) {
$authoriser_id = $subject_coordinator->id;
}
}
} else {
if ($role == 4 && $fields['supervisor']) {
// Supervisor (field must be present)
$start_pos = strpos($fields['supervisor'], '(') + 1;
$end_pos = strpos($fields['supervisor'], ')', $start_pos);
$supervisor = $DB->get_record('user', array('username' => substr($fields['supervisor'], $start_pos, $end_pos - $start_pos)), 'id', MUST_EXIST);
$authoriser_id = $supervisor->id;
} else {
if ($role == 5) {
// Academic Adviser
$context = context_user::instance($author_id);
$aa_role = $DB->get_record('role', array('shortname' => 'academic_adviser'), 'id', MUST_EXIST);
$academic_advisers = get_role_users($aa_role->id, $context, false, 'u.id');
// Exclude inherited roles
foreach ($academic_advisers as $academic_adviser) {
$authoriser_id = $academic_adviser->id;
}
} else {
if ($role == 6) {
// Programme Lead
$authoriser_id = get_programme_lead($author_id, $modular, 0);
} else {
if ($role == 7) {
// Programme Lead (2) - only present for joint honours students (will skip step otherwise)
$authoriser_id = get_programme_lead($author_id, $modular, 1);
}
}
}
}
}
}
}
if ($authoriser_id == 0 && $role != 7) {
// Don't leave them hanging...
$authoriser = get_complete_user_data('username', 'csa-tbd');
// Default ('TO BE DETERMINED')
$authoriser_id = $authoriser->id;
}
return $authoriser_id;
}
$supervisor = get_supervisors($USER->id);
}
break;
case 'course':
if (empty($course)) {
$course = get_current_courses(0, $form->modular);
}
break;
case 'not_enroled':
if (empty($not_enroled)) {
$not_enroled = get_current_modules(0, null, $USER->id, false);
}
break;
case 'enroled':
if (empty($enroled)) {
$enroled = get_current_modules(0, null, $USER->id, true);
}
break;
case 'study_mode':
if (empty($study_mode)) {
$study_mode = get_study_modes();
}
break;
case 'reason':
if (empty($reason)) {
$reason = get_reasons();
}
break;
case 'addition_reason':
if (empty($addition_reason)) {
$addition_reason = get_addition_reasons();
function validation($data, $files)
{
$errors = parent::validation($data, $files);
// Ensure we don't miss errors from any higher-level validation
// Get valid dates for +- 5 years (MMMYY format)
$start_dates = get_dates(date('m'), date('y'), 60, 60);
// Check if at least one field in a required group has an entry
if (empty($this->required_group)) {
$group_entry = true;
} else {
$group_entry = false;
foreach ($this->required_group as $key) {
if ($data[$key] != '') {
$group_entry = true;
}
}
}
// Do our own validation and add errors to array
$required_value = false;
foreach ($data as $key => $value) {
if ($value == '' && in_array($key, $this->required_field, true)) {
$required_value = true;
// Leave the field error display to Moodle
} else {
if (!$group_entry && in_array($key, $this->required_group, true)) {
// One of a required group with no entries
$errors[$key] = get_string('group_required', 'local_obu_forms');
} else {
if ($value == '' && in_array($key, $this->set_group, true) && (array_key_exists($this->check_id, $data) && $data[$this->check_id] == '1')) {
// Controlled by a check box
$errors[$key] = get_string('value_required', 'local_obu_forms');
} else {
if ($value == '' && in_array($key, $this->unset_group, true) && (array_key_exists($this->check_id, $data) && $data[$this->check_id] == '0')) {
// Controlled by a check box
$errors[$key] = get_string('value_required', 'local_obu_forms');
} else {
if ($key == 'adviser') {
// They must have selected one
if ($value == '0') {
// Oh No! They haven't!
$errors[$key] = get_string('value_required', 'local_obu_forms');
}
} else {
if ($key == 'supervisor') {
// They must have selected one
if ($value == '0') {
// Oh No! They haven't!
$errors[$key] = get_string('value_required', 'local_obu_forms');
}
} else {
if ($key == 'course') {
// Exact match - should be a current course (programme) code
if ($value != '') {
// Might not be mandatory
$current_courses = get_current_courses(0, $this->_customdata['modular']);
if (!in_array(strtoupper($value), $current_courses, true)) {
$errors[$key] = get_string('course_not_found', 'local_obu_forms');
}
}
} else {
if (strpos($key, 'module') !== false) {
// Validate module code format etcetera
if ($value != '') {
// Only validate if the field was completed
$prefix = strtoupper(substr($value, 0, 1));
$suffix = substr($value, 1);
if (strlen($value) != 6 || $prefix != 'C' && $prefix != 'F' && $prefix != 'P' && $prefix != 'U' || !is_numeric($suffix)) {
$errors[$key] = get_string('invalid_module_code', 'local_obu_forms');
} else {
if ($this->_customdata['modular'] && $prefix != 'U') {
$errors[$key] = get_string('invalid_module_code', 'local_obu_forms');
} else {
if ($key == 'module') {
// Exact match - should be a current module
$current_modules = get_current_modules();
if (!in_array($prefix . $suffix, $current_modules, true)) {
$errors[$key] = get_string('module_not_found', 'local_obu_forms');
}
}
}
}
// Check that any associated module fields have also been completed
$pos = strpos($key, 'module');
$prefix = substr($key, 0, $pos);
$suffix = substr($key, $pos + 6);
$key = $prefix . 'title' . $suffix;
if (array_key_exists($key, $data) && $data[$key] == '') {
$errors[$key] = get_string('value_required', 'local_obu_forms');
}
$key = $prefix . 'start' . $suffix;
if (array_key_exists($key, $data) && $data[$key] == '') {
$errors[$key] = get_string('value_required', 'local_obu_forms');
}
$key = $prefix . 'mark' . $suffix;
if (array_key_exists($key, $data) && $data[$key] == '') {
$errors[$key] = get_string('value_required', 'local_obu_forms');
}
$key = $prefix . 'credit' . $suffix;
if (array_key_exists($key, $data) && $data[$key] == '') {
$errors[$key] = get_string('value_required', 'local_obu_forms');
}
}
} else {
if (strpos($key, 'start') !== false) {
// Validate start date format
if ($value != '') {
// Only validate if the field was completed
$month = strtoupper(substr($value, 0, 3));
$year = substr($value, 3);
if (strlen($value) != 5 || is_numeric($month) || !is_numeric($year)) {
$errors[$key] = get_string('invalid_date_format', 'local_obu_forms');
} else {
if (!in_array($month . $year, $start_dates, true)) {
$errors[$key] = get_string('invalid_start_date', 'local_obu_forms');
}
}
}
}
}
}
}
}
}
}
}
}
}
if ($required_value || !empty($errors)) {
$errors['form_error'] = get_string('form_error', 'local_obu_forms');
}
return $errors;
}
