Admin Links In View

AdminLinksInView.cs

//source: http://stackoverflow.com/questions/1236739/how-can-i-avoid-unmaintanable-code-in-asp-net-mvc-views

<td>
    Html.LinkList(", "
        ActionLinks.ViewDetails(item),
        ActionLinks.DeleteAndConfirm(item),
        ActionLinks.Approve(item))
</td>

class ActionLinks
{
    public static string Approve(Item item)
    {
        if(ItemRequiresApproval(item) && CurrentUserIsAdmin())
        {
            return Html.ActionLink("Approve", "Approve", new { id = item.Mail_ID });
        }
        else
        {
            return string.Empty;
        }
    }

    private static bool ItemRequiresApproval(Item item)
    {
        //determine whether item requires approval
        //this could be further broken into a separate utilities class
    }

    private static bool CurrentUserIsAdmin()
    {
        //this should definitely go in a separate class dedicated to
        //handling membership and authorization
        //as well as figuring out who the current user is
    }
}

string LinkList(string delimiter, params string[] links)
{
    StringBuilder sb = new StringBuilder();
    foreach(string link in links)
    {
        if(!string.IsNullOrEmpty(link))
        {
            sb.Append(delimiter);
            sb.Append(link);
        }
    }
    return sb.ToString().Substring(delimiter.Length);
}