scanning fixes (#1606)

* fix music video fallback metadata

* properly re-scan song metadata

CHANGELOG.md

@@ -28,6 +28,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix bug updating/replacing Jellyfin movies
   - A deep scan can be used to fix all movies, otherwise any future updates made to JF movies will correctly sync to ETV
 - Automatically generate JWT tokens to allow channel previews of protected streams
+- Fix bug applying music video fallback metadata
 
 ### Changed
 - Log search index updates under scanner category at debug level, to indicate a potential cause for the UI being out of date

ErsatzTV.Core/Metadata/FallbackMetadataProvider.cs

@@ -255,10 +255,11 @@ public partial class FallbackMetadataProvider : IFallbackMetadataProvider
             metadata.Title = match.Success
                 ? match.Groups[2].Value.Trim()
                 : Path.GetFileNameWithoutExtension(fileName);
-            metadata.Artists = new List<MusicVideoArtist>();
+            metadata.Artists = [];
-            metadata.Genres = new List<Genre>();
+            metadata.Genres = [];
-            metadata.Tags = new List<Tag>();
+            metadata.Tags = [];
-            metadata.Studios = new List<Studio>();
+            metadata.Studios = [];
+            metadata.Directors = [];
             metadata.DateUpdated = DateTime.UtcNow;
 
             return metadata;

ErsatzTV.Infrastructure.MySql/Migrations/20240210124106_Reset_SongMetadata_ExistingLibraries.cs

@@ -0,0 +1,33 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.MySql.Migrations
+{
+    /// <inheritdoc />
+    public partial class Reset_SongMetadata_ExistingLibraries : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(@"UPDATE SongMetadata SET Artists = '[]', AlbumArtists = '[]', DateUpdated = '0001-01-01 00:00:00'");
+            
+            migrationBuilder.Sql(
+                @"UPDATE LibraryPath SET LastScan = '0001-01-01 00:00:00' WHERE Id IN
+                (SELECT LP.Id FROM LibraryPath LP INNER JOIN Library L on L.Id = LP.LibraryId WHERE MediaKind = 5)");
+
+            migrationBuilder.Sql(
+                @"UPDATE Library SET LastScan = '0001-01-01 00:00:00' WHERE MediaKind = 5");
+
+            migrationBuilder.Sql(
+                @"UPDATE LibraryFolder SET Etag = NULL WHERE Id IN
+                (SELECT LF.Id FROM LibraryFolder LF INNER JOIN LibraryPath LP on LF.LibraryPathId = LP.Id INNER JOIN Library L on LP.LibraryId = L.Id WHERE MediaKind = 5)");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

ErsatzTV.Infrastructure.Sqlite/Migrations/20240210123303_Reset_SongMetadata_ExistingLibraries.cs

@@ -0,0 +1,32 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.Sqlite.Migrations
+{
+    /// <inheritdoc />
+    public partial class Reset_SongMetadata_ExistingLibraries : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(@"UPDATE SongMetadata SET Artists = '[]', AlbumArtists = '[]', DateUpdated = '0001-01-01 00:00:00'");
+            
+            migrationBuilder.Sql(
+                @"UPDATE LibraryPath SET LastScan = '0001-01-01 00:00:00' WHERE Id IN
+                (SELECT LP.Id FROM LibraryPath LP INNER JOIN Library L on L.Id = LP.LibraryId WHERE MediaKind = 5)");
+
+            migrationBuilder.Sql(
+                @"UPDATE Library SET LastScan = '0001-01-01 00:00:00' WHERE MediaKind = 5");
+
+            migrationBuilder.Sql(
+                @"UPDATE LibraryFolder SET Etag = NULL WHERE Id IN
+                (SELECT LF.Id FROM LibraryFolder LF INNER JOIN LibraryPath LP on LF.LibraryPathId = LP.Id INNER JOIN Library L on LP.LibraryId = L.Id WHERE MediaKind = 5)");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+        }
+    }
+}