public function render()
{
$course = new Course();
$course->include_related('period');
$course->get_by_id((int) @$this->config['course_id']);
$this->parser->assign('course', $course);
if ($course->exists()) {
$solutions = new Solution();
$solutions->select_func('COUNT', '@id', 'count');
$solutions->where('revalidate', 1);
$solutions->where_related('task_set', 'id', '${parent}.id');
$solutions->where_related('student/participant/course', 'id', $course->id);
$solutions->where_related('student/participant', 'allowed', 1);
$task_sets = new Task_set();
$task_sets->select('*');
$task_sets->select_subquery($solutions, 'solutions_count');
$task_sets->where_related($course);
$task_sets->where_related('solution', 'revalidate', 1);
$task_sets->where_related('solution/student/participant/course', 'id', $course->id);
$task_sets->where_related('solution/student/participant', 'allowed', 1);
$task_sets->group_by('id');
$task_sets->order_by_with_overlay('name', 'ASC');
$task_sets->get_iterated();
$this->parser->assign('task_sets', $task_sets);
}
$this->parser->parse('widgets/admin/unevaluated_solutions/main.tpl');
}
public function index()
{
$this->usermanager->student_login_protected_redirect();
$this->_initialize_student_menu();
$this->_select_student_menu_pagetag('tasks');
$this->parser->add_css_file('frontend_tasks.css');
$this->parser->add_js_file('tasks/list.js');
$cache_id = $this->usermanager->get_student_cache_id();
if ($this->_is_cache_enabled()) {
$this->smarty->caching = Smarty::CACHING_LIFETIME_SAVED;
}
if (!$this->_is_cache_enabled() || !$this->parser->isCached($this->parser->find_view('frontend/tasks/index.tpl'), $cache_id)) {
$task_set = $this->get_task_sets($course, $group, $student);
if ($course->exists()) {
$task_set_types = $course->task_set_type->order_by_with_constant('name', 'asc')->get_iterated();
$this->parser->assign('task_set_types', $task_set_types);
$task_sets = $this->filter_valid_task_sets($task_set);
if ($this->_is_cache_enabled() && $this->filter_next_task_set_publication_min_cache_lifetime > 0 && $this->filter_next_task_set_publication_min_cache_lifetime <= $this->smarty->cache_lifetime) {
$this->smarty->setCacheLifetime($this->filter_next_task_set_publication_min_cache_lifetime + 1);
$this->parser->setCacheLifetimeForTemplateObject('frontend/tasks/index.tpl', $this->filter_next_task_set_publication_min_cache_lifetime + 1);
}
$this->lang->init_overlays('task_sets', $task_sets, array('name'));
$this->parser->assign('task_sets', $task_sets);
$points = $this->compute_points($task_sets, $student);
$this->parser->assign('points', $points);
}
$this->parser->assign(array('course' => $course));
$projects = new Task_set();
if ($course->exists()) {
$projects->where('content_type', 'project');
$projects->include_related('solution');
$projects->add_join_condition('`solutions`.`student_id` = ?', array($this->usermanager->get_student_id()));
$projects->include_related('course');
$projects->include_related('course/period');
$projects->where('published', 1);
$projects->group_start();
$projects->where('publish_start_time <=', date('Y-m-d H:i:s'));
$projects->or_where('publish_start_time', NULL);
$projects->group_end();
$projects->where_related('course', $course);
$projects->order_by('publish_start_time');
$projects->get_iterated();
}
$this->parser->assign('projects', $projects);
}
$this->parser->parse('frontend/tasks/index.tpl', array(), FALSE, $this->_is_cache_enabled() ? Smarty::CACHING_LIFETIME_SAVED : FALSE, $cache_id);
}
/**
* Initialise download of all solutions in all task sets belonging to this course.
*/
public function download_all_solutions()
{
if (!is_null($this->id)) {
$task_sets = new Task_set();
$task_sets->where_related('course', $this);
$task_sets->get_iterated();
$filename = $this->get_new_solution_zip_filename();
$zip_archive = new ZipArchive();
if ($zip_archive->open($filename, ZipArchive::CREATE)) {
$period = $this->period->get();
$readme = $this->lang->text($this->name);
$readme .= "\r\n" . $this->lang->text($period->name);
$zip_archive->addFromString('readme.txt', $readme);
foreach ($task_sets as $task_set) {
$overlay_name = $this->lang->get_overlay('task_sets', $task_set->id, 'name');
$task_set->add_files_to_zip_archive($zip_archive, $this, normalizeForFilesystem(trim($overlay_name) == '' ? $task_set->name : $overlay_name) . '_(' . $task_set->id . ')');
}
$zip_archive->close();
header('Content-Description: File Transfer');
header('Content-Type: application/zip');
header('Content-Disposition: attachment; filename=' . basename($filename));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($filename));
ob_clean();
flush();
$f = fopen($filename, 'r');
while (!feof($f)) {
echo fread($f, 1024);
}
fclose($f);
unlink($filename);
} else {
header("HTTP/1.0 404 Not Found");
}
} else {
header("HTTP/1.0 404 Not Found");
}
die;
}
private function inject_all_task_sets()
{
$task_sets = new Task_set();
$task_set_permissions = $task_sets->task_set_permission;
$task_set_permissions->select_func('COUNT', '*', 'count');
$task_set_permissions->where('enabled', 1);
$task_set_permissions->where_related('task_set', 'id', '${parent}.id');
$task_sets->select('*');
$task_sets->include_related('group', 'name');
$task_sets->select_subquery($task_set_permissions, 'task_set_permissions_count');
$task_sets->order_by_with_overlay('name');
$task_sets->get_iterated();
$data = array();
$this->lang->init_all_overlays('task_sets');
foreach ($task_sets as $task_set) {
$text_groups = '';
if ((int) $task_set->task_set_permissions_count > 0) {
$task_set_permissions = new Task_set_permission();
$task_set_permissions->include_related('group', 'name');
$task_set_permissions->where('enabled', 1);
$task_set_permissions->where_related_task_set($task_set);
$task_set_permissions->order_by_related_with_constant('group', 'name', 'asc');
$task_set_permissions->get_iterated();
$groups = array();
foreach ($task_set_permissions as $task_set_permission) {
$groups[] = $this->lang->text($task_set_permission->group_name);
}
if (count($groups) > 0) {
$text_groups = ' ... (' . implode(', ', $groups) . ')';
}
} elseif (!is_null($task_set->group_id) && (int) $task_set->group_id > 0) {
$text_groups = ' ... (' . $this->lang->text($task_set->group_name) . ')';
}
$data[$task_set->course_id][] = array('value' => $task_set->id, 'text' => $this->lang->get_overlay_with_default('task_sets', $task_set->id, 'name', $task_set->name) . $text_groups);
}
$this->parser->assign('task_sets', $data);
}