1 files changed, 24 insertions, 44 deletions

diff --git a/MediaBrowser.Api/BaseApiService.cs b/MediaBrowser.Api/BaseApiService.cs
index 112ee8f79..63a31a745 100644
--- a/MediaBrowser.Api/BaseApiService.cs
+++ b/MediaBrowser.Api/BaseApiService.cs
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Linq;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
@@ -16,12 +17,12 @@ using Microsoft.Extensions.Logging;
 namespace MediaBrowser.Api
 {
     /// <summary>
-    /// Class BaseApiService
+    /// Class BaseApiService.
     /// </summary>
     public abstract class BaseApiService : IService, IRequiresRequest
     {
         public BaseApiService(
-            ILogger logger,
+            ILogger<BaseApiService> logger,
             IServerConfigurationManager serverConfigurationManager,
             IHttpResultFactory httpResultFactory)
         {
@@ -34,7 +35,7 @@ namespace MediaBrowser.Api
         /// Gets the logger.
         /// </summary>
         /// <value>The logger.</value>
-        protected ILogger Logger { get; }
+        protected ILogger<BaseApiService> Logger { get; }
 
         /// <summary>
         /// Gets or sets the server configuration manager.
@@ -58,12 +59,9 @@ namespace MediaBrowser.Api
 
         public static string[] SplitValue(string value, char delim)
         {
-            if (value == null)
-            {
-                return Array.Empty<string>();
-            }
-
-            return value.Split(new[] { delim }, StringSplitOptions.RemoveEmptyEntries);
+            return value == null
+                ? Array.Empty<string>()
+                : value.Split(new[] { delim }, StringSplitOptions.RemoveEmptyEntries);
         }
 
         public static Guid[] GetGuids(string value)
@@ -97,19 +95,10 @@ namespace MediaBrowser.Api
             var authenticatedUser = auth.User;
 
             // If they're going to update the record of another user, they must be an administrator
-            if (!userId.Equals(auth.UserId))
-            {
-                if (!authenticatedUser.Policy.IsAdministrator)
-                {
-                    throw new SecurityException("Unauthorized access.");
-                }
-            }
-            else if (restrictUserPreferences)
+            if ((!userId.Equals(auth.UserId) && !authenticatedUser.HasPermission(PermissionKind.IsAdministrator))
+                || (restrictUserPreferences && !authenticatedUser.EnableUserPreferenceAccess))
             {
-                if (!authenticatedUser.Policy.EnableUserPreferenceAccess)
-                {
-                    throw new SecurityException("Unauthorized access.");
-                }
+                throw new SecurityException("Unauthorized access.");
             }
         }
 
@@ -138,8 +127,8 @@ namespace MediaBrowser.Api
                 options.Fields = hasFields.GetItemFields();
             }
 
-            if (!options.ContainsField(Model.Querying.ItemFields.RecursiveItemCount)
-                || !options.ContainsField(Model.Querying.ItemFields.ChildCount))
+            if (!options.ContainsField(ItemFields.RecursiveItemCount)
+                || !options.ContainsField(ItemFields.ChildCount))
             {
                 var client = authContext.GetAuthorizationInfo(Request).Client ?? string.Empty;
                 if (client.IndexOf("kodi", StringComparison.OrdinalIgnoreCase) != -1 ||
@@ -150,7 +139,7 @@ namespace MediaBrowser.Api
                     int oldLen = options.Fields.Length;
                     var arr = new ItemFields[oldLen + 1];
                     options.Fields.CopyTo(arr, 0);
-                    arr[oldLen] = Model.Querying.ItemFields.RecursiveItemCount;
+                    arr[oldLen] = ItemFields.RecursiveItemCount;
                     options.Fields = arr;
                 }
 
@@ -166,7 +155,7 @@ namespace MediaBrowser.Api
                     int oldLen = options.Fields.Length;
                     var arr = new ItemFields[oldLen + 1];
                     options.Fields.CopyTo(arr, 0);
-                    arr[oldLen] = Model.Querying.ItemFields.ChildCount;
+                    arr[oldLen] = ItemFields.ChildCount;
                     options.Fields = arr;
                 }
             }
@@ -279,30 +268,21 @@ namespace MediaBrowser.Api
                 Name = name.Replace(BaseItem.SlugChar, '&'),
                 IncludeItemTypes = new[] { typeof(T).Name },
                 DtoOptions = dtoOptions
-
             }).OfType<T>().FirstOrDefault();
 
-            if (result == null)
+            result ??= libraryManager.GetItemList(new InternalItemsQuery
             {
-                result = libraryManager.GetItemList(new InternalItemsQuery
-                {
-                    Name = name.Replace(BaseItem.SlugChar, '/'),
-                    IncludeItemTypes = new[] { typeof(T).Name },
-                    DtoOptions = dtoOptions
-
-                }).OfType<T>().FirstOrDefault();
-            }
+                Name = name.Replace(BaseItem.SlugChar, '/'),
+                IncludeItemTypes = new[] { typeof(T).Name },
+                DtoOptions = dtoOptions
+            }).OfType<T>().FirstOrDefault();
 
-            if (result == null)
+            result ??= libraryManager.GetItemList(new InternalItemsQuery
             {
-                result = libraryManager.GetItemList(new InternalItemsQuery
-                {
-                    Name = name.Replace(BaseItem.SlugChar, '?'),
-                    IncludeItemTypes = new[] { typeof(T).Name },
-                    DtoOptions = dtoOptions
-
-                }).OfType<T>().FirstOrDefault();
-            }
+                Name = name.Replace(BaseItem.SlugChar, '?'),
+                IncludeItemTypes = new[] { typeof(T).Name },
+                DtoOptions = dtoOptions
+            }).OfType<T>().FirstOrDefault();
 
             return result;
         }