remove unsynchronized plex movies on save; queue plex library scan on save

ErsatzTV.Application/Plex/Commands/UpdatePlexLibraryPreferencesHandler.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using ErsatzTV.Core;
@@ -20,7 +21,7 @@ namespace ErsatzTV.Application.Plex.Commands
             UpdatePlexLibraryPreferences request,
             CancellationToken cancellationToken)
         {
-            IEnumerable<int> toDisable = request.Preferences.Filter(p => p.ShouldSyncItems == false).Map(p => p.Id);
+            var toDisable = request.Preferences.Filter(p => p.ShouldSyncItems == false).Map(p => p.Id).ToList();
             await _mediaSourceRepository.DisablePlexLibrarySync(toDisable);
 
             IEnumerable<int> toEnable = request.Preferences.Filter(p => p.ShouldSyncItems).Map(p => p.Id);

ErsatzTV.Core/Interfaces/Repositories/IMediaSourceRepository.cs

@@ -23,7 +23,7 @@ namespace ErsatzTV.Core.Interfaces.Repositories
         Task Update(PlexMediaSource plexMediaSource);
         Task Update(PlexLibrary plexMediaSourceLibrary);
         Task Delete(int id);
-        Task DisablePlexLibrarySync(IEnumerable<int> libraryIds);
+        Task DisablePlexLibrarySync(List<int> libraryIds);
         Task EnablePlexLibrarySync(IEnumerable<int> libraryIds);
     }
 }

ErsatzTV.Infrastructure/Data/Repositories/MediaSourceRepository.cs

@@ -168,14 +168,29 @@ namespace ErsatzTV.Infrastructure.Data.Repositories
             await context.SaveChangesAsync();
         }
 
-        public Task DisablePlexLibrarySync(IEnumerable<int> libraryIds) =>
-            _dbConnection.ExecuteAsync(
-                "UPDATE PlexLibrary SET ShouldSyncItems = 0 WHERE Id in @ids",
+        public async Task DisablePlexLibrarySync(List<int> libraryIds)
+        {
+            await _dbConnection.ExecuteAsync(
+                "UPDATE PlexLibrary SET ShouldSyncItems = 0 WHERE Id IN @ids",
+                new { ids = libraryIds });
+            
+            await _dbConnection.ExecuteAsync(
+                "UPDATE Library SET LastScan = null WHERE Id IN @ids",
                 new { ids = libraryIds });
 
+            await _dbConnection.ExecuteAsync(
+                @"DELETE FROM MediaItem WHERE Id IN
+                (SELECT m.Id FROM MediaItem m
+                INNER JOIN PlexMovie pm ON pm.Id = m.Id
+                INNER JOIN LibraryPath lp ON lp.Id = m.LibraryPathId
+                INNER JOIN Library l ON l.Id = lp.LibraryId
+                WHERE l.Id IN @ids)",
+                new { ids = libraryIds });
+        }
+
         public Task EnablePlexLibrarySync(IEnumerable<int> libraryIds) =>
             _dbConnection.ExecuteAsync(
-                "UPDATE PlexLibrary SET ShouldSyncItems = 1 WHERE Id in @ids",
+                "UPDATE PlexLibrary SET ShouldSyncItems = 1 WHERE Id IN @ids",
                 new { ids = libraryIds });
     }
 }

ErsatzTV/Pages/PlexLibrariesEditor.razor

@@ -6,6 +6,7 @@
 @inject NavigationManager NavigationManager
 @inject ILogger<PlexLibrariesEditor> Logger
 @inject ISnackbar Snackbar
+@inject ChannelWriter<IBackgroundServiceRequest> Channel
 
 <MudContainer MaxWidth="MaxWidth.ExtraLarge">
     <MudTable Hover="true" Items="_libraries" Dense="true">
@@ -86,13 +87,22 @@
 
         Seq<BaseError> errorMessages = await Mediator.Send(request).Map(e => e.LeftToSeq());
 
-        errorMessages.HeadOrNone().Match(
+        await errorMessages.HeadOrNone().Match(
             error =>
             {
                 Snackbar.Add($"Unexpected error saving plex libraries: {error.Value}", Severity.Error);
                 Logger.LogError("Unexpected error saving plex libraries: {Error}", error.Value);
+                return Task.CompletedTask;
             },
-            () => NavigationManager.NavigateTo("/media/plex"));
+            async () =>
+            {
+                foreach (int id in _libraries.Filter(l => l.ShouldSyncItems).Map(l => l.Id))
+                {
+                    await Channel.WriteAsync(new SynchronizePlexLibraryByIdIfNeeded(id));
+                }
+
+                NavigationManager.NavigateTo("/media/plex");
+            });
     }
 
 }