public FilterBarViewModel(TicketCenterListSettings listPreferences, UserInfo[] staffUsers, UserInfo[] submitterUsers)
{
Preferences = listPreferences;
StaffUsers = staffUsers;
SubmitterUsers = submitterUsers;
}
internal UserInfo[] GetGroupMembersFromAd(string groupName)
{
UserInfo[] usersInGroup = null;
using
(
PrincipalContext ctx = new PrincipalContext(ContextType.Domain,
GetActiveDirectoryDomain(),
GetActiveDirectoryUser(),
GetActiveDirectoryUserPassword())
)
{
using (GroupPrincipal grp = GroupPrincipal.FindByIdentity(ctx, IdentityType.SamAccountName, groupName.ToLowerInvariant()))
{
if (grp != null)
{
var x = from p in grp.GetMembers(true)
where p.StructuralObjectClass == "user" &&
!string.IsNullOrEmpty(p.UserPrincipalName) &&
!string.IsNullOrEmpty(p.DisplayName) &&
p.UserPrincipalName.Trim() != string.Empty &&
p.DisplayName.Trim() != string.Empty
orderby p.DisplayName
select new UserInfo() { Name = p.SamAccountName.ToLowerInvariant(), DisplayName = p.DisplayName };
usersInGroup = x.ToArray();
}
else
{
usersInGroup = new UserInfo[0];//zero length array for memory cache, so it doesn't attempt re-fetches
}
}
}
return usersInGroup;
}