Feature #49: Active Directory Managed Groups

Document Template Attachments, Device Batches, Device Profiles and User
Flags can be associated with an Active Directory group. This AD group is
then automatically synchronized with relevant User/Machine accounts.
Contains various other UI tweaks and configuration enhancements.

Disco.Services/Interop/ActiveDirectory/ADMachineAccount.cs

@@ -104,26 +104,35 @@ namespace Disco.Services.Interop.ActiveDirectory
             };
         }
 
+        [Obsolete("Use generic equivalents: GetPropertyValue<T>(string PropertyName)")]
         public object GetPropertyValue(string PropertyName, int Index = 0)
+        {
+            return GetPropertyValues<object>(PropertyName).Skip(Index).FirstOrDefault();
+        }
+        public T GetPropertyValue<T>(string PropertyName)
+        {
+            return GetPropertyValues<T>(PropertyName).FirstOrDefault();
+        }
+        public IEnumerable<T> GetPropertyValues<T>(string PropertyName)
         {
             switch (PropertyName.ToLower())
             {
                 case "name":
-                    return this.Name;
+                    return new string[] { this.Name }.OfType<T>();
                 case "samaccountname":
-                    return this.SamAccountName;
+                    return new string[] { this.SamAccountName }.OfType<T>();
                 case "distinguishedname":
-                    return this.DistinguishedName;
+                    return new string[] { this.DistinguishedName }.OfType<T>();
                 case "objectsid":
-                    return this.SecurityIdentifier.ToString();
+                    return new SecurityIdentifier[] { this.SecurityIdentifier }.OfType<T>();
                 case "netbootguid":
-                    return this.NetbootGUID;
+                    return new Guid[] { this.NetbootGUID }.OfType<T>();
                 default:
                     object[] adProperty;
-                    if (this.LoadedProperties.TryGetValue(PropertyName, out adProperty) && Index <= adProperty.Length)
-                        return adProperty[Index];
+                    if (this.LoadedProperties.TryGetValue(PropertyName, out adProperty))
+                        return adProperty.OfType<T>();
                     else
-                        return null;
+                        return Enumerable.Empty<T>();
             }
         }