Fixed: (Core) Use MinBy and MaxBy

src/NzbDrone.Common/Disk/DiskProviderBase.cs

@@ -478,8 +478,7 @@ namespace NzbDrone.Common.Disk
 
                 return mounts.Where(drive => drive.RootDirectory.PathEquals(path) ||
                                              drive.RootDirectory.IsParentPath(path))
-                          .OrderByDescending(drive => drive.RootDirectory.Length)
+                    .MaxBy(drive => drive.RootDirectory.Length);
-                          .FirstOrDefault();
             }
             catch (Exception ex)
             {

src/NzbDrone.Core/History/HistoryRepository.cs

@@ -31,9 +31,7 @@ namespace NzbDrone.Core.History
 
         public History MostRecentForDownloadId(string downloadId)
         {
-            return FindByDownloadId(downloadId)
+            return FindByDownloadId(downloadId).MaxBy(h => h.Date);
-                .OrderByDescending(h => h.Date)
-                .FirstOrDefault();
         }
 
         public List<History> FindByDownloadId(string downloadId)
@@ -75,9 +73,7 @@ namespace NzbDrone.Core.History
 
         public History MostRecentForIndexer(int indexerId)
         {
-            return Query(x => x.IndexerId == indexerId)
+            return Query(x => x.IndexerId == indexerId).MaxBy(h => h.Date);
-                .OrderByDescending(h => h.Date)
-                .FirstOrDefault();
         }
 
         public List<History> Between(DateTime start, DateTime end)