public function solution_version_switch_download_lock($solution_version_id)
{
$this->_transaction_isolation();
$this->db->trans_begin();
$output = new stdClass();
$output->status = FALSE;
$output->value = FALSE;
$output->message = $this->lang->line('admin_solutions_valuation_version_metadata_download_lock_error_cant_found');
$solution_version = new Solution_version();
$solution_version->include_related('solution');
$solution_version->get_by_id((int) $solution_version_id);
if ($solution_version->exists()) {
$output->value = $solution_version->download_lock == 0 ? FALSE : TRUE;
$solution_version->download_lock = $solution_version->download_lock == 0 ? 1 : 0;
if ($solution_version->save()) {
$output->value = $solution_version->download_lock == 0 ? FALSE : TRUE;
$output->status = TRUE;
if ($output->value) {
$output->message = $this->lang->line('admin_solutions_valuation_version_metadata_download_lock_enabled');
} else {
$output->message = $this->lang->line('admin_solutions_valuation_version_metadata_download_lock_disabled');
}
$this->db->trans_commit();
$this->_action_success();
$this->output->set_internal_value('student_id', (int) $solution_version->solution_student_id);
} else {
$output->message = $this->lang->line('admin_solutions_valuation_version_metadata_download_lock_error_cant_save');
$this->db->trans_rollback();
}
}
$this->output->set_content_type('application/json');
$this->output->set_output(json_encode($output));
}
