public function get_student_test_queue($task_set_id, $student_id)
{
$task_set = new Task_set();
$task_set->get_by_id((int) $task_set_id);
$student = new Student();
$student->get_by_id((int) $student_id);
$test_queue = new Test_queue();
if ($task_set->exists() && $student->exists()) {
$max_allowed_to_enqueue = (int) $this->config->item('test_maximum_enqueued_pe_student');
if ($max_allowed_to_enqueue <= 0) {
$max_allowed_to_enqueue = 1;
}
$test_status_0 = new Test();
$test_status_0->select_func('COUNT', array('@id'), 'tests_count');
$test_status_0->where_related('test_queue', 'id', '${parent}.id');
$test_queue_status_0 = new Test_queue();
$test_queue_status_0->select('*');
$test_queue_status_0->select_subquery($test_status_0, 'tests_count');
$test_queue_status_0->where_related($task_set);
$test_queue_status_0->where_related($student);
$test_queue_status_0->where('status', 0);
$test_queue_status_0->order_by('status', 'desc');
$test_queue_status_0->order_by('finish', 'desc');
$test_queue_status_0->order_by('start', 'asc');
$test_status_1 = new Test();
$test_status_1->select_func('COUNT', array('@id'), 'tests_count');
$test_status_1->where_related('test_queue', 'id', '${parent}.id');
$test_queue_status_1 = new Test_queue();
$test_queue_status_1->select('*');
$test_queue_status_1->select_subquery($test_status_1, 'tests_count');
$test_queue_status_1->where_related($task_set);
$test_queue_status_1->where_related($student);
$test_queue_status_1->where('status', 1);
$test_queue_status_1->order_by('status', 'desc');
$test_queue_status_1->order_by('finish', 'desc');
$test_queue_status_1->order_by('start', 'asc');
$test_status_2 = new Test();
$test_status_2->select_func('COUNT', array('@id'), 'tests_count');
$test_status_2->where_related('test_queue', 'id', '${parent}.id');
$test_queue_status_2 = new Test_queue();
$test_queue_status_2->select('*');
$test_queue_status_2->select_subquery($test_status_2, 'tests_count');
$test_queue_status_2->where_related($task_set);
$test_queue_status_2->where_related($student);
$test_queue_status_2->where('status', 2);
$test_queue_status_2->order_by('status', 'desc');
$test_queue_status_2->order_by('finish', 'desc');
$test_queue_status_2->order_by('start', 'asc');
$test_queue_status_2->limit($max_allowed_to_enqueue * 2);
$test_status_3 = new Test();
$test_status_3->select_func('COUNT', array('@id'), 'tests_count');
$test_status_3->where_related('test_queue', 'id', '${parent}.id');
$test_queue_status_3 = new Test_queue();
$test_queue_status_3->select('*');
$test_queue_status_3->select_subquery($test_status_3, 'tests_count');
$test_queue_status_3->where_related($task_set);
$test_queue_status_3->where_related($student);
$test_queue_status_3->where('status', 3);
$test_queue_status_3->order_by('status', 'desc');
$test_queue_status_3->order_by('finish', 'desc');
$test_queue_status_3->order_by('start', 'asc');
$test_queue_status_3->limit($max_allowed_to_enqueue * 2);
$test_queue_status_0->union_iterated(array($test_queue_status_1, $test_queue_status_2, $test_queue_status_3));
$test_queue = $test_queue_status_0;
}
//$test_queue->check_last_query();
$this->load->helper('tests');
$test_types = get_all_supported_test_types();
$this->parser->parse('backend/tests/get_student_test_queue.tpl', array('test_queue' => $test_queue, 'task_set' => $task_set, 'student' => $student, 'test_types' => $test_types));
}
public function reset_all()
{
echo 'Reseting old tests that may be freezed.' . PHP_EOL;
$this->db->query('SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;');
$this->db->trans_start();
$test_queue = new Test_queue();
$test_queue->where('status', 1);
$test_queue->get_iterated();
if ($test_queue->result_count() > 0) {
echo 'Found ' . $test_queue->result_count() . ' old tests.' . PHP_EOL;
foreach ($test_queue as $single_test) {
$tests = $single_test->test->get_iterated();
foreach ($tests as $test) {
$set = array('result' => 0, 'result_text' => NULL, 'percent_points' => 0, 'percent_bonus' => 0, 'points' => 0, 'bonus' => 0, 'evaluation_table' => NULL);
$this->db->set($set);
$this->db->where('test_id', $test->id);
$this->db->where('test_queue_id', $single_test->id);
$this->db->update('test_test_queue_rel');
}
$single_test->status = 0;
$single_test->worker = NULL;
$single_test->save();
}
echo 'All old tests were reset.' . PHP_EOL;
} else {
echo 'Nothing found.' . PHP_EOL;
}
$this->db->trans_complete();
}
