public function action_general()
{
    // New settings model.
    $this->model = new Model_Settings;

    // Check for post.
    if(HTTP_Request::POST == $this->request->method())
    {
        // Get current session instance.
        $this->session = Session::instance();

        // Copy post array.
        $update_info = $this->request->post();

        // Remove.
        array_pop($update_info);

        // Update options.
        try
        {
            // Update settingses.
            $this->model->update_settings($update_info);

            // Set notification message.
            $this->session->set('warning_message', 'Settings saved successfully!');
        }
        catch(Exception $e)
        {
            // Update failed. Set error message.
            $this->session->set('error_message', 'Update failed: Failed to save settings.');
        }

        $this->redirect($this->request->uri());
    }

    // Set template title.
    $this->template->set('title', 'General settings');

    // Set content.
    $this->content = View::factory('administration/settings/index')
        ->set('settings', ORM::factory('Settings')->find_all()->as_array('name', 'value'));
}