public static IReadOnlyCollection<string> GetRoles(ArticleAccessLevel? accessLevel)
{
switch (accessLevel)
{
case null:
case ArticleAccessLevel.Anonymous:
return Enumerable.Empty<string>().ToList();
case ArticleAccessLevel.LoggedIn:
return LoggedInRoles;
case ArticleAccessLevel.Editor:
return EditorRoles;
case ArticleAccessLevel.SuperUser:
return SuperUserRoles;
case ArticleAccessLevel.Admin:
return AdminRoles;
case ArticleAccessLevel.Root:
return RootRoles;
default:
throw new ArgumentOutOfRangeException("accessLevel");
}
}
public static bool HasAccessLevel(this IPrincipal principal, ArticleAccessLevel accessLevel)
{
var principalAccessLevel = principal.GetAccessLevel();
return principalAccessLevel >= accessLevel;
}
public static ArticleAccessLevel TryParse(string accessLevel, ArticleAccessLevel defaultValue)
{
var articleAccessLevel = TryParse(accessLevel);
return articleAccessLevel ?? defaultValue;
}
