load fallback metadata when nfo fails; don't require metadata in ui

ErsatzTV.Application/MediaCards/Mapper.cs

@@ -9,14 +9,14 @@ namespace ErsatzTV.Application.MediaCards
         internal static TelevisionShowCardViewModel ProjectToViewModel(TelevisionShow televisionShow) =>
             new(
                 televisionShow.Id,
-                televisionShow.Metadata.Title,
+                televisionShow.Metadata?.Title,
-                televisionShow.Metadata.Year.ToString(),
+                televisionShow.Metadata?.Year.ToString(),
-                televisionShow.Metadata.SortTitle,
+                televisionShow.Metadata?.SortTitle,
                 televisionShow.Poster);
 
         internal static TelevisionSeasonCardViewModel ProjectToViewModel(TelevisionSeason televisionSeason) =>
             new(
-                televisionSeason.TelevisionShow.Metadata.Title,
+                televisionSeason.TelevisionShow.Metadata?.Title,
                 televisionSeason.Id,
                 televisionSeason.Number,
                 GetSeasonName(televisionSeason.Number),
@@ -29,13 +29,13 @@ namespace ErsatzTV.Application.MediaCards
             TelevisionEpisodeMediaItem televisionEpisode) =>
             new(
                 televisionEpisode.Id,
-                televisionEpisode.Metadata.Aired ?? DateTime.MinValue,
+                televisionEpisode.Metadata?.Aired ?? DateTime.MinValue,
                 televisionEpisode.Season.TelevisionShow.Metadata.Title,
-                televisionEpisode.Metadata.Title,
+                televisionEpisode.Metadata?.Title,
-                $"Episode {televisionEpisode.Metadata.Episode}",
+                $"Episode {televisionEpisode.Metadata?.Episode}",
-                televisionEpisode.Metadata.Episode.ToString(),
+                televisionEpisode.Metadata?.Episode.ToString(),
                 televisionEpisode.Poster,
-                televisionEpisode.Metadata.Episode.ToString());
+                televisionEpisode.Metadata?.Episode.ToString());
 
         internal static MovieCardViewModel ProjectToViewModel(MovieMediaItem movie) =>
             new(

ErsatzTV.Core/Metadata/LocalMetadataProvider.cs

@@ -138,7 +138,7 @@ namespace ErsatzTV.Core.Metadata
                 return None;
             }
 
-            return await LoadMovieMetadata(nfoFileName);
+            return await LoadMovieMetadata(mediaItem, nfoFileName);
         }
 
         private async Task<Option<TelevisionEpisodeMetadata>> LoadMetadata(
@@ -157,7 +157,7 @@ namespace ErsatzTV.Core.Metadata
                 return None;
             }
 
-            return await LoadEpisodeMetadata(nfoFileName);
+            return await LoadEpisodeMetadata(mediaItem, nfoFileName);
         }
 
         private async Task<Option<TelevisionShowMetadata>> LoadMetadata(
@@ -197,7 +197,7 @@ namespace ErsatzTV.Core.Metadata
             }
         }
 
-        private async Task<Option<TelevisionEpisodeMetadata>> LoadEpisodeMetadata(string nfoFileName)
+        private async Task<Option<TelevisionEpisodeMetadata>> LoadEpisodeMetadata(TelevisionEpisodeMediaItem mediaItem, string nfoFileName)
         {
             try
             {
@@ -219,11 +219,11 @@ namespace ErsatzTV.Core.Metadata
             catch (Exception ex)
             {
                 _logger.LogDebug(ex, "Failed to read TV episode nfo metadata from {Path}", nfoFileName);
-                return None;
+                return FallbackMetadataProvider.GetFallbackMetadata(mediaItem);
             }
         }
 
-        private async Task<Option<MovieMetadata>> LoadMovieMetadata(string nfoFileName)
+        private async Task<Option<MovieMetadata>> LoadMovieMetadata(MovieMediaItem mediaItem, string nfoFileName)
         {
             try
             {
@@ -247,7 +247,7 @@ namespace ErsatzTV.Core.Metadata
             catch (Exception ex)
             {
                 _logger.LogDebug(ex, "Failed to read Movie nfo metadata from {Path}", nfoFileName);
-                return None;
+                return FallbackMetadataProvider.GetFallbackMetadata(mediaItem);
             }
         }