public function enqueue_test()
{
$post_test = $this->input->post('test');
$post_select_test_type = $this->input->post('select_test_type');
$output = new stdClass();
$output->status = FALSE;
$output->message = '';
if ($post_select_test_type !== '') {
if (isset($post_test['version']) && (int) $post_test['version'] > 0) {
if (isset($post_test['id']) && is_array($post_test['id']) && count($post_test['id']) > 0) {
if (isset($post_test['task_set_id']) && (int) $post_test['task_set_id'] > 0 && isset($post_test['student_id']) && (int) $post_test['student_id'] > 0) {
$this->_transaction_isolation();
$this->db->trans_begin();
$maximum_eqnueued_tests_allowed = (int) $this->config->item('test_maximum_enqueued_pe_student');
if ($maximum_eqnueued_tests_allowed <= 0) {
$maximum_eqnueued_tests_allowed = 1;
}
$enqueued = new Test_queue();
$enqueued->where('status', 0);
$enqueued->where_related('student', 'id', (int) $post_test['student_id']);
$enqueued_for_this_student = $enqueued->count();
if ($enqueued_for_this_student < $maximum_eqnueued_tests_allowed) {
$tests = new Test();
$tests->where_in('id', $post_test['id']);
$tests->where('type', $post_select_test_type);
$tests->get_iterated();
if ($tests->exists()) {
$task_set = new Task_set();
$task_set->get_by_id((int) $post_test['task_set_id']);
$student = new Student();
$student->get_by_id((int) $post_test['student_id']);
if ($task_set->exists() && $student->exists()) {
$test_queue = new Test_queue();
$test_queue->priority = $task_set->test_priority;
$test_queue->original_priority = $task_set->test_priority;
$test_queue->test_type = $post_select_test_type;
$test_queue->version = (int) $post_test['version'];
$test_queue->start = date('Y-m-d H:i:s');
$test_queue->points = 0;
$test_queue->bonus = 0;
$test_queue->status = 0;
$test_queue->system_language = $this->lang->get_current_idiom();
if ($test_queue->save(array('student' => $student, 'task_set' => $task_set))) {
$errors = 0;
foreach ($tests as $test) {
if (!$test_queue->save($test)) {
$errors++;
}
}
if ($errors == 0) {
$this->db->trans_commit();
$output->status = TRUE;
$output->message = $this->lang->line('admin_tests_enqueue_test_success');
} else {
$this->db->trans_rollback();
$output->message = $this->lang->line('admin_tests_enqueue_test_error_cant_add_to_queue');
}
} else {
$this->db->trans_rollback();
$output->message = $this->lang->line('admin_tests_enqueue_test_error_cant_add_to_queue');
}
} else {
$this->db->trans_rollback();
$output->message = $this->lang->line('admin_tests_enqueue_test_error_task_set_or_student_not_found');
}
} else {
$this->db->trans_rollback();
$output->message = $this->lang->line('admin_tests_enqueue_test_error_no_tests_selected');
}
} else {
$this->db->trans_rollback();
$output->message = sprintf($this->lang->line('admin_tests_enqueue_test_error_maximum_enqueues_reached'), $maximum_eqnueued_tests_allowed);
}
} else {
$output->message = $this->lang->line('admin_tests_enqueue_test_error_task_set_or_student_not_found');
}
} else {
$output->message = $this->lang->line('admin_tests_enqueue_test_error_no_tests_selected');
}
} else {
$output->message = $this->lang->line('admin_tests_enqueue_test_error_no_version_selected');
}
} else {
$output->message = $this->lang->line('admin_tests_enqueue_test_error_not_test_type_selected');
}
$this->output->set_content_type('application/json');
$this->output->set_output(json_encode($output));
}
