public function update()
{
$this->load->library('form_validation');
$period_id = intval($this->input->post('period_id'));
$this->form_validation->set_rules('period_id', 'id', 'required');
$this->form_validation->set_rules('period[name]', 'lang:admin_periods_form_field_name', 'required|callback__is_unique_name_not_in[' . $period_id . ']');
$this->form_validation->set_message('_is_unique_name_not_in', $this->lang->line('admin_periods_form_error_message_is_unique_name_not_in'));
if ($this->form_validation->run()) {
$period = new Period();
$period->get_by_id($period_id);
if ($period->exists()) {
$period_data = $this->input->post('period');
$period->from_array($period_data, array('name'));
$this->_transaction_isolation();
$this->db->trans_begin();
if ($period->save() && $this->db->trans_status()) {
$this->db->trans_commit();
$this->messages->add_message('lang:admin_periods_flash_message_save_successful', Messages::MESSAGE_TYPE_SUCCESS);
$this->_action_success();
} else {
$this->db->trans_rollback();
$this->messages->add_message('lang:admin_periods_flash_message_save_failed', Messages::MESSAGE_TYPE_ERROR);
}
} else {
$this->messages->add_message('lang:admin_periods_error_period_not_found', Messages::MESSAGE_TYPE_ERROR);
}
redirect(create_internal_url('admin_periods/index'));
} else {
$this->edit();
}
}
