update sync objects

MediaBrowser.Api/Devices/DeviceService.cs

@@ -17,6 +17,9 @@ namespace MediaBrowser.Api.Devices
     {
         [ApiMember(Name = "SupportsContentUploading", Description = "SupportsContentUploading", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
         public bool? SupportsContentUploading { get; set; }
+
+        [ApiMember(Name = "SupportsDeviceId", Description = "SupportsDeviceId", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
+        public bool? SupportsDeviceId { get; set; }
     }
 
     [Route("/Devices", "DELETE", Summary = "Deletes a device")]
@@ -118,6 +121,13 @@ namespace MediaBrowser.Api.Devices
                 devices = devices.Where(i => _deviceManager.GetCapabilities(i.Id).SupportsContentUploading == val);
             }
 
+            if (request.SupportsDeviceId.HasValue)
+            {
+                var val = request.SupportsDeviceId.Value;
+
+                devices = devices.Where(i => _deviceManager.GetCapabilities(i.Id).SupportsDeviceId == val);
+            }
+
             return ToOptimizedResult(devices.ToList());
         }
 

MediaBrowser.Api/Session/SessionsService.cs

@@ -238,6 +238,9 @@ namespace MediaBrowser.Api.Session
 
         [ApiMember(Name = "SupportsContentUploading", Description = "Determines whether camera upload is supported.", IsRequired = false, DataType = "bool", ParameterType = "query", Verb = "POST")]
         public bool SupportsContentUploading { get; set; }
+
+        [ApiMember(Name = "SupportsDeviceId", Description = "Determines whether the device supports a unique identifier.", IsRequired = false, DataType = "bool", ParameterType = "query", Verb = "POST")]
+        public bool SupportsDeviceId { get; set; }
     }
 
     [Route("/Sessions/Logout", "POST", Summary = "Reports that a session has ended")]
@@ -516,7 +519,9 @@ namespace MediaBrowser.Api.Session
 
                 MessageCallbackUrl = request.MessageCallbackUrl,
 
-                SupportsContentUploading = request.SupportsContentUploading
+                SupportsContentUploading = request.SupportsContentUploading,
+
+                SupportsDeviceId = request.SupportsDeviceId
             });
         }
     }

MediaBrowser.Api/UserLibrary/ItemsService.cs

@@ -877,7 +877,7 @@ namespace MediaBrowser.Api.UserLibrary
                     var hasTrailers = i as IHasTrailers;
                     if (hasTrailers != null)
                     {
-                        trailerCount = hasTrailers.LocalTrailerIds.Count;
+                        trailerCount = hasTrailers.GetTrailerIds().Count;
                     }
 
                     var ok = val ? trailerCount > 0 : trailerCount == 0;

MediaBrowser.Api/UserLibrary/UserLibraryService.cs

@@ -515,7 +515,7 @@ namespace MediaBrowser.Api.UserLibrary
             var hasTrailers = item as IHasTrailers;
             if (hasTrailers != null)
             {
-                trailerIds = hasTrailers.LocalTrailerIds;
+                trailerIds = hasTrailers.GetTrailerIds();
             }
 
             var dtos = trailerIds