private void RefreshActions(Guid? workflowId)
        {
            if (!workflowId.HasValue)
            {
                WorkflowActions = null;
            }

            // get step definitions for this workflow that target this user
            var client = new GoodwillDomainContext();
            var query = client.GetWorkflowStepsQuery().Where(x => x.Target == WebContext.Current.User.EmployeeId && x.WorkflowInstanceId == workflowId);
            client.Load(query, lo =>
            {
                // merge their target roles and real roles // matt raulerson should become a programmer
                var targetRoles = lo.Entities.Select(x => x.StepDefinition.TargetRole).Where(x => x != null);
                var roles = WebContext.Current.User.Roles.Union(targetRoles);

                WorkflowActions = SelectedWorkflow.TryGetOrDefault(x => x.Definition.GetAvailableActions(roles, x.Status).ToList());
            }, null);
        }