Use MinBy and MaxBy instead of OrderBy + First

Co-Authored-By: Stepan Goremykin <25577658+goremykin@users.noreply.github.com>

src/NzbDrone.Common/Disk/DiskProviderBase.cs

@@ -483,12 +483,11 @@ 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)
             {
-                Logger.Debug(ex, string.Format("Failed to get mount for path {0}", path));
+                Logger.Debug(ex, $"Failed to get mount for path {path}");
                 return null;
             }
         }

src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs

@@ -239,8 +239,7 @@ namespace NzbDrone.Core.Download.Pending
             var movieReleases = GetPendingReleases(movieId);
 
             return movieReleases.Select(r => r.RemoteMovie)
-                                 .OrderByDescending(p => p.Release.AgeHours)
+                                 .MaxBy(p => p.Release.AgeHours);
-                                 .FirstOrDefault();
         }
 
         private List<PendingRelease> GetPendingReleases()

src/NzbDrone.Core/History/HistoryRepository.cs

@@ -37,9 +37,7 @@ namespace NzbDrone.Core.History
 
         public MovieHistory MostRecentForDownloadId(string downloadId)
         {
-            return FindByDownloadId(downloadId)
+            return FindByDownloadId(downloadId).MaxBy(h => h.Date);
-                .OrderByDescending(h => h.Date)
-                .FirstOrDefault();
         }
 
         public List<MovieHistory> FindByDownloadId(string downloadId)
@@ -90,9 +88,7 @@ namespace NzbDrone.Core.History
 
         public MovieHistory MostRecentForMovie(int movieId)
         {
-            return Query(x => x.MovieId == movieId)
+            return Query(x => x.MovieId == movieId).MaxBy(h => h.Date);
-                .OrderByDescending(h => h.Date)
-                .FirstOrDefault();
         }
 
         public List<MovieHistory> Since(DateTime date, MovieHistoryEventType? eventType)

src/NzbDrone.Core/RootFolders/RootFolderService.cs

@@ -182,9 +182,7 @@ namespace NzbDrone.Core.RootFolders
 
         public string GetBestRootFolderPath(string path)
         {
-            var possibleRootFolder = All().Where(r => r.Path.IsParentPath(path))
+            var possibleRootFolder = All().Where(r => r.Path.IsParentPath(path)).MaxBy(r => r.Path.Length);
-                                          .OrderByDescending(r => r.Path.Length)
-                                          .FirstOrDefault();
 
             if (possibleRootFolder == null)
             {