Database redesign (#31)

* starting database redesign

* set season and episode numbers

* use datetimes in db (utc); update movie metadata

* get movie cards from new table

* copy show/episode metadata

* remove old movie metadata type

* rename new movie metadata type

* code cleanup

* start to remove old television classes

* remove old television tables from database

* fix playout building

* fix collection views

* fix show/season views

* clean up movie metadata table

* fix scanner tests

* add libraries ui

* code cleanup

* fix movie scanning/metadata

* add library scan button to ui

* delete library path from ui

* temp disable movie scanning

* remove orphan media items and prevent duplicate paths

* attach artwork to metadata

* fix split show/season display

* fix television artwork

* store year distinct from release date

* fix collections ui

* code cleanup

* add library paths from ui

* fix adding to collections from ui

* fix schedule items loading

* schedule editing works again

* remove some todos

* more cleanup

* fix unit tests

* fix episode sorting

* fix deleting show library paths

* remove unused class

* fix playout list in ui

* fix log viewer

* start to use version/file instead of statistics

* clean up old columns

* fix playout display (time zone)

* fix playback

* fix channel guide time zone

* cascade more deletes

* fix compiler warnings

* fix adding new seasons

* use artwork for channel logo

* clean cache folder on startup (move channel logos, delete everything else)

* log database migration

* update homepage docs for libraries

* fix adding new channel with logo

* fix episode numbers in epg

ErsatzTV.Core/Metadata/LocalFileSystem.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Threading.Tasks;
 using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Metadata;
+using LanguageExt;
 using static LanguageExt.Prelude;
 
 namespace ErsatzTV.Core.Metadata
@@ -13,8 +14,8 @@ namespace ErsatzTV.Core.Metadata
         public DateTime GetLastWriteTime(string path) =>
             Try(File.GetLastWriteTimeUtc(path)).IfFail(() => DateTime.MinValue);
 
-        public bool IsMediaSourceAccessible(LocalMediaSource localMediaSource) =>
-            Directory.Exists(localMediaSource.Folder);
+        public bool IsLibraryPathAccessible(LibraryPath libraryPath) =>
+            Directory.Exists(libraryPath.Path);
 
         public IEnumerable<string> ListSubdirectories(string folder) =>
             Try(Directory.EnumerateDirectories(folder)).IfFail(new List<string>());
@@ -24,5 +25,18 @@ namespace ErsatzTV.Core.Metadata
 
         public bool FileExists(string path) => File.Exists(path);
         public Task<byte[]> ReadAllBytes(string path) => File.ReadAllBytesAsync(path);
+
+        public Unit CopyFile(string source, string destination)
+        {
+            string directory = Path.GetDirectoryName(destination) ?? string.Empty;
+            if (!Directory.Exists(directory))
+            {
+                Directory.CreateDirectory(directory);
+            }
+
+            File.Copy(source, destination, true);
+
+            return Unit.Default;
+        }
     }
 }