Feature/persistent watch data (#14262)

src/Jellyfin.Database/Jellyfin.Database.Implementations/Entities/UserData.cs

@@ -68,6 +68,11 @@ public class UserData
     /// <value><c>null</c> if [likes] contains no value, <c>true</c> if [likes]; otherwise, <c>false</c>.</value>
     public bool? Likes { get; set; }
 
+    /// <summary>
+    /// Gets or Sets the date the referenced <see cref="Item"/> has been deleted.
+    /// </summary>
+    public DateTimeOffset? RetentionDate { get; set; }
+
     /// <summary>
     /// Gets or sets the key.
     /// </summary>

src/Jellyfin.Database/Jellyfin.Database.Implementations/ModelConfiguration/BaseItemConfiguration.cs

@@ -1,3 +1,4 @@
+using System;
 using Jellyfin.Database.Implementations.Entities;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
@@ -53,5 +54,12 @@ public class BaseItemConfiguration : IEntityTypeConfiguration<BaseItemEntity>
         builder.HasIndex(e => new { e.IsFolder, e.TopParentId, e.IsVirtualItem, e.PresentationUniqueKey, e.DateCreated });
         // resume
         builder.HasIndex(e => new { e.MediaType, e.TopParentId, e.IsVirtualItem, e.PresentationUniqueKey });
+
+        builder.HasData(new BaseItemEntity()
+        {
+            Id = Guid.Parse("00000000-0000-0000-0000-000000000001"),
+            Type = "PLACEHOLDER",
+            Name = "This is a placeholder item for UserData that has been detacted from its original item",
+        });
     }
 }

src/Jellyfin.Database/Jellyfin.Database.Implementations/ModelConfiguration/UserDataConfiguration.cs

@@ -17,6 +17,6 @@ public class UserDataConfiguration : IEntityTypeConfiguration<UserData>
         builder.HasIndex(d => new { d.ItemId, d.UserId, d.PlaybackPositionTicks });
         builder.HasIndex(d => new { d.ItemId, d.UserId, d.IsFavorite });
         builder.HasIndex(d => new { d.ItemId, d.UserId, d.LastPlayedDate });
-        builder.HasOne(e => e.Item);
+        builder.HasOne(e => e.Item).WithMany(e => e.UserData);
     }
 }