Add FileInfo utility functions to DiskProvider

src/NzbDrone.Common.Test/DiskTests/DiskTransferServiceFixture.cs

@@ -731,7 +731,7 @@ namespace NzbDrone.Common.Test.DiskTests
 
             // Note: never returns anything.
             Mocker.GetMock<IDiskProvider>()
-               .Setup(v => v.GetFileInfos(It.IsAny<string>()))
+               .Setup(v => v.GetFileInfos(It.IsAny<string>(), SearchOption.TopDirectoryOnly))
                .Returns(new List<FileInfo>());
 
             Mocker.GetMock<IDiskProvider>()
@@ -765,8 +765,8 @@ namespace NzbDrone.Common.Test.DiskTests
                 .Returns<string>(v => new DirectoryInfo(v).GetDirectories().ToList());
 
             Mocker.GetMock<IDiskProvider>()
-                .Setup(v => v.GetFileInfos(It.IsAny<string>()))
-                .Returns<string>(v => new DirectoryInfo(v).GetFiles().ToList());
+                .Setup(v => v.GetFileInfos(It.IsAny<string>(), SearchOption.TopDirectoryOnly))
+                .Returns<string, SearchOption>((v, _) => new DirectoryInfo(v).GetFiles().ToList());
 
             Mocker.GetMock<IDiskProvider>()
                 .Setup(v => v.GetFileSize(It.IsAny<string>()))

src/NzbDrone.Common/Disk/DiskProviderBase.cs

@@ -505,13 +505,20 @@ namespace NzbDrone.Common.Disk
             return di.GetDirectories().ToList();
         }
 
-        public List<FileInfo> GetFileInfos(string path)
+        public FileInfo GetFileInfo(string path)
+        {
+            Ensure.That(path, () => path).IsValidPath();
+
+            return new FileInfo(path);
+        }
+
+        public List<FileInfo> GetFileInfos(string path, SearchOption searchOption = SearchOption.TopDirectoryOnly)
         {
             Ensure.That(path, () => path).IsValidPath();
 
             var di = new DirectoryInfo(path);
 
-            return di.GetFiles().ToList();
+            return di.GetFiles("*", searchOption).ToList();
         }
 
         public void RemoveEmptySubfolders(string path)

src/NzbDrone.Common/Disk/IDiskProvider.cs

@@ -52,7 +52,8 @@ namespace NzbDrone.Common.Disk
         List<IMount> GetMounts();
         IMount GetMount(string path);
         List<DirectoryInfo> GetDirectoryInfos(string path);
-        List<FileInfo> GetFileInfos(string path);
+        FileInfo GetFileInfo(string path);
+        List<FileInfo> GetFileInfos(string path, SearchOption searchOption = SearchOption.TopDirectoryOnly);
         void RemoveEmptySubfolders(string path);
         void SaveStream(Stream stream, string path);
         bool IsValidFilePermissionMask(string mask);