public function task($task_set_id_url = NULL)
{
$this->_add_mathjax();
$task_set_id = url_get_id($task_set_id_url);
$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/task.js');
$this->_add_prettify();
$this->_add_scrollTo();
$this->_add_jquery_countdown();
$this->parser->assign('max_filesize', compute_size_with_unit(intval($this->config->item('maximum_solition_filesize') * 1024)));
$cache_id = $this->usermanager->get_student_cache_id('task_set_' . $task_set_id);
if (!$this->_is_cache_enabled() || !$this->parser->isCached($this->parser->find_view('frontend/tasks/task.tpl'), $cache_id)) {
$task_set = $this->get_task_set_by_id($course, $group, $student, $task_set_id);
if ($course->exists()) {
$task_sets = $this->filter_valid_task_sets($task_set);
$this->lang->init_overlays('task_sets', $task_sets, array('name'));
$filtered_task_set = count($task_sets) == 1 ? $task_sets[0] : new Task_set();
if ($filtered_task_set->exists()) {
$this->load->helper('tests');
$test_types_subtypes = get_all_supported_test_types_and_subtypes();
$this->lang->init_overlays('task_sets', $filtered_task_set, array('name', 'instructions'));
$solution_versions = new Solution_version();
$solution_versions->where_related('solution/task_set', 'id', $task_set_id);
$solution_versions->where_related('solution', 'student_id', $this->usermanager->get_student_id());
$query = $solution_versions->get_raw();
$versions_metadata = array();
if ($query->num_rows()) {
foreach ($query->result() as $row) {
$versions_metadata[$row->version] = clone $row;
}
}
$query->free_result();
$this->parser->assign('task_set', $filtered_task_set);
$this->parser->assign('task_set_can_upload', $this->can_upload_file($filtered_task_set, $course));
$this->parser->assign('solution_files', $filtered_task_set->get_student_files($student->id));
$this->parser->assign('test_types', $test_types_subtypes['types']);
$this->parser->assign('test_subtypes', $test_types_subtypes['subtypes']);
$this->parser->assign('versions_metadata', $versions_metadata);
} else {
$this->messages->add_message('lang:tasks_task_task_set_not_found', Messages::MESSAGE_TYPE_ERROR);
redirect(create_internal_url('tasks/index'));
}
}
$this->parser->assign(array('course' => $course));
}
$this->parser->parse('frontend/tasks/task.tpl', array(), FALSE, $this->_is_cache_enabled(), $cache_id);
}
/**
* Compute file capacity and return value with unit.
* @param string $filename path and file name.
* @return string capacity of file in bytes, KiB, MiB or GiB.
*/
function get_file_size($filename)
{
$size_bytes = @filesize($filename);
if ($size_bytes === FALSE || $size_bytes == 0) {
return '0 B';
}
return compute_size_with_unit($size_bytes);
}
public function task($task_set_id_url = NULL, $task_id_url = NULL)
{
$this->_add_mathjax();
$task_set_id = url_get_id($task_set_id_url);
$task_id = url_get_id($task_id_url);
$this->_initialize_student_menu();
$this->_select_student_menu_pagetag('projects');
$this->parser->add_css_file('frontend_projects.css');
$this->parser->add_js_file('projects/task.js');
$this->_add_prettify();
$this->_add_jquery_countdown();
$this->parser->assign('max_filesize', compute_size_with_unit(intval($this->config->item('maximum_solition_filesize') * 1024)));
$cache_id = $this->usermanager->get_student_cache_id('task_set_' . $task_set_id . '|task_' . $task_id);
if (!$this->_is_cache_enabled() || !$this->parser->isCached($this->parser->find_view('frontend/projects/task.tpl'), $cache_id)) {
$project_all = $this->get_task_set($task_set_id, $course, $student);
$project = $this->filter_valid_task_sets($project_all);
if ($course->exists()) {
$this->lang->init_overlays('task_sets', $project, array('name'));
$project = count($project) == 1 ? $project[0] : new Task_set();
$this->parser->assign('project', $project);
$task = $project->task;
$task->include_join_fields()->order_by('`task_task_set_rel`.`sorting`', 'asc');
$task->get_by_id($task_id);
$project_selection = new Project_selection();
$project_selection->where('task_set_id', $project->id);
$project_selection->where('student_id', $this->usermanager->get_student_id());
$project_selection->where('task_id', $task->id);
$project_selection->get();
$students = new Student();
$students->where_related('project_selection', 'task_set_id', $project->id);
$students->where_related('project_selection', 'task_id', $task->id);
$students->get_iterated();
$solution_versions = new Solution_version();
$solution_versions->where_related('solution/task_set', 'id', $task_set_id);
$solution_versions->where_related('solution', 'student_id', $this->usermanager->get_student_id());
$query = $solution_versions->get_raw();
$versions_metadata = array();
if ($query->num_rows()) {
foreach ($query->result() as $row) {
$versions_metadata[$row->version] = clone $row;
}
}
$query->free_result();
$this->parser->assign('task', $task);
$this->parser->assign('students', $students);
$this->parser->assign('project_selection', $project_selection);
$this->parser->assign('solution_files', $project->get_student_files($student->id));
$this->parser->assign('versions_metadata', $versions_metadata);
}
$this->parser->assign(array('course' => $course));
}
$this->parser->parse('frontend/projects/task.tpl', array(), FALSE, $this->_is_cache_enabled(), $cache_id);
}