/**
* This method provides data for ajax requests. Course subjects come in via the 'value' request
* parameter and are used to look up courses, which are echoed as JSON.
*
* @param string $data Course subject code
* @return void
*/
function do_course_lookup($data)
{
$editable_sources = array('page_courses', 'categories');
// Build the list of courses already on the page so we know what's selected
$this->build_course_list();
if ($courses = get_courses_by_subjects(array($data), 'academic_catalog_2014_site')) {
foreach ($courses as $id => $course) {
$history = $course->get_last_offered_academic_year();
if ($history < 2014 - 3) {
continue;
}
$output['title'] = html_entity_decode($course->get_value('name'));
$output['title'] .= ' (' . $history . ')';
$output['desc'] = $course->get_value('long_description');
//if (empty($output['desc'])) continue;
if (isset($this->courses[$id])) {
$output['selected'] = true;
$output['editable'] = in_array($this->courses[$id]->include_source, $editable_sources);
} else {
$output['selected'] = false;
$output['editable'] = true;
}
$list[$id] = $output;
}
if (isset($list)) {
echo json_encode($list);
} else {
echo json_encode(false);
}
}
}
function get_course_list($subject)
{
$subject_courses = get_courses_by_subjects(array($subject));
$site_courses = get_site_courses($this->site_id);
$html = '<h3>Active Courses</h3>';
$html .= '<ul class="courseListActive">';
foreach ($subject_courses as $id => $course) {
if (isset($site_courses[$id])) {
$html .= $this->get_course_list_row($course);
unset($subject_courses[$id]);
}
}
$html .= '</ul>';
$html .= '<h3>Inactive Courses</h3>';
$html .= '<ul class="courseListInactive">';
foreach ($subject_courses as $id => $course) {
$html .= $this->get_course_list_row($course);
}
$html .= '</ul>';
return $html;
}
