fix database migration (#35)

ErsatzTV.Infrastructure/Migrations/20210226132335_Update_MovieMetadata.cs

@@ -11,7 +11,7 @@ namespace ErsatzTV.Infrastructure.Migrations
 
             migrationBuilder.Sql(
                 @$"INSERT INTO NewMovieMetadata (Outline, Plot, Tagline, MovieId, MetadataKind, Title, OriginalTitle, SortTitle, ReleaseDate, DateAdded, DateUpdated)
-SELECT mm.Outline, mm.Plot, mm.Tagline, m.Id, mm.Source, mm.Title, null, mm.SortTitle, mm.Premiered, '{now}', mm.LastWriteTime
+SELECT mm.Outline, mm.Plot, mm.Tagline, m.Id, mm.Source, mm.Title, null, mm.SortTitle, mm.Premiered, '{now}', IFNULL(mm.LastWriteTime, '0001-01-01 00:00:00')
 FROM MovieMetadata mm
 INNER JOIN Movie m ON mm.MovieId = m.Id");
         }

ErsatzTV/Extensions/HostExtensions.cs

@@ -33,7 +33,13 @@ namespace ErsatzTV.Extensions
                 .Bind(services => Try(GetDbContext(services)))
                 .Bind(ctx => Try(Migrate(ctx, scope.ServiceProvider)))
                 .Bind(ctx => Try(InitializeDb(ctx)))
-                .IfFail(ex => LogException(ex, "Error occured while seeding database", scope.ServiceProvider));
+                .IfFail(
+                    ex =>
+                    {
+                        LogException(ex, "Error occured while migrating database; shutting down.", scope.ServiceProvider);
+                        Environment.Exit(13);
+                        return unit;
+                    });
 
         private static Unit CleanCache(IServiceScope scope) =>
             Try(() => scope.ServiceProvider)