/// <summary>
/// Allows or blocks the display of an action link depending on user authorization level.
/// </summary>
public static IHtmlContent ActionLinkAuth(this IHtmlHelper htmlHelper, Enumerations.Role requiredPrivilege, Enumerations.AuthFailedBehaviour authFailedBehaviour, string linkText, string actionName, object routeValues, object htmlAttributes, bool requiresFullAccess = false)
{
return(ActionLinkAuth(htmlHelper, requiredPrivilege, authFailedBehaviour, linkText, actionName, null, routeValues, htmlAttributes, null));
}
/// <summary>
/// Allows or blocks the display of an action link depending on user authorization level.
/// </summary>
public static IHtmlContent ActionLinkAuth(this IHtmlHelper htmlHelper, Enumerations.Role requiredPrivilege, Enumerations.AuthFailedBehaviour authFailedBehaviour, string linkText, string actionName, string controllerName, object routeValues, object htmlAttributes, string alternateLinkText)
{
//If no link text, just return an empty string.
if (string.IsNullOrEmpty(linkText))
{
return(HtmlString.Empty);
}
// If user has no privileges refuse access
bool hasAccess = new UserSessionContext(htmlHelper.GetHttpContext()).UserHasAccess(requiredPrivilege);
var htmlOptions = new RouteValueDictionary(htmlAttributes);
var routeOptions = new RouteValueDictionary(routeValues);
//Remove disabled attribute if present
if (htmlOptions.ContainsKey("disabled"))
{
htmlOptions.Remove("disabled");
}
IHtmlContent result = htmlHelper.ActionLink(linkText, actionName, controllerName, routeOptions, htmlOptions);
if (!hasAccess)
{
switch (authFailedBehaviour)
{
case Enumerations.AuthFailedBehaviour.AlternateLink:
if (string.IsNullOrEmpty(alternateLinkText))
{
throw new ArgumentNullException("alternateLinkText", "alternateLinkText cannot be null or empty");
}
result = htmlHelper.ActionLink(alternateLinkText, actionName, controllerName, routeOptions, htmlOptions);
break;
case Enumerations.AuthFailedBehaviour.EmptyString:
result = HtmlString.Empty;
break;
case Enumerations.AuthFailedBehaviour.InnerHtml:
result = htmlHelper.Span(linkText, htmlOptions);
break;
default:
throw new ArgumentOutOfRangeException("authFailedBehaviour");
}
}
return(result);
}
/// <summary>
/// Allows or blocks the display of an action link depending on user authorization level.
/// </summary>
public static IHtmlContent ActionLinkAuth(this IHtmlHelper htmlHelper, Enumerations.Role requiredPrivilege, Enumerations.AuthFailedBehaviour authFailedBehaviour, string linkText, string actionName, string controllerName, bool requiresFullAccess = false)
{
return(ActionLinkAuth(htmlHelper, requiredPrivilege, authFailedBehaviour, linkText, actionName, controllerName, null, null, null));
}
