add trash system for local libraries (#571)

* flag local movies as file not found

* show warning icon on cards

* unflag movie that is found during scan

* skip missing files when building playouts

* add state to search index

* add file not found health check

* link to search from file not found health check

* support flagging other media kinds as file not found

* continue to schedule missing items

* support episode files not found

* wip trash page

* fix trash url

* trash page is functional

* update changelog

* fix changelog merge

ErsatzTV.Core/Interfaces/Metadata/ILocalFileSystem.cs

@@ -14,6 +14,7 @@ namespace ErsatzTV.Core.Interfaces.Metadata
         IEnumerable<string> ListSubdirectories(string folder);
         IEnumerable<string> ListFiles(string folder);
         bool FileExists(string path);
+        bool FolderExists(string folder);
         Task<Either<BaseError, Unit>> CopyFile(string source, string destination);
         Unit EmptyFolder(string folder);
     }

ErsatzTV.Core/Interfaces/Repositories/ILibraryRepository.cs

@@ -19,5 +19,6 @@ namespace ErsatzTV.Core.Interfaces.Repositories
         Task<List<int>> GetMediaIdsByLocalPath(int libraryPathId);
         Task DeleteLocalPath(int libraryPathId);
         Task<Unit> SetEtag(LibraryPath libraryPath, Option<LibraryFolder> knownFolder, string path, string etag);
+        Task<Unit> CleanEtagsForLibraryPath(LibraryPath libraryPath);
     }
 }

ErsatzTV.Core/Interfaces/Repositories/IMediaItemRepository.cs

@@ -1,10 +1,15 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
+using ErsatzTV.Core.Domain;
+using LanguageExt;
 
 namespace ErsatzTV.Core.Interfaces.Repositories
 {
     public interface IMediaItemRepository
     {
         Task<List<string>> GetAllLanguageCodes();
+        Task<List<int>> FlagFileNotFound(LibraryPath libraryPath, string path);
+        Task<Unit> FlagNormal(MediaItem mediaItem);
+        Task<Either<BaseError, Unit>> DeleteItems(List<int> mediaItemIds);
     }
 }

ErsatzTV.Core/Interfaces/Search/ISearchIndex.cs

@@ -14,6 +14,7 @@ namespace ErsatzTV.Core.Interfaces.Search
         public int Version { get; }
         Task<bool> Initialize(ILocalFileSystem localFileSystem);
         Task<Unit> Rebuild(ISearchRepository searchRepository, List<int> itemIds);
+        Task<Unit> RebuildItems(ISearchRepository searchRepository, List<int> itemIds);
         Task<Unit> AddItems(ISearchRepository searchRepository, List<MediaItem> items);
         Task<Unit> UpdateItems(ISearchRepository searchRepository, List<MediaItem> items);
         Task<Unit> RemoveItems(List<int> ids);