1 files changed, 141 insertions, 0 deletions
diff --git a/src/Jellyfin.Database/Jellyfin.Database.Implementations/Entities/Libraries/ItemMetadata.cs b/src/Jellyfin.Database/Jellyfin.Database.Implementations/Entities/Libraries/ItemMetadata.cs
new file mode 100644
index 000000000..fa9276c66
--- /dev/null
+++ b/src/Jellyfin.Database/Jellyfin.Database.Implementations/Entities/Libraries/ItemMetadata.cs
@@ -0,0 +1,141 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Jellyfin.Data.Interfaces;
+
+namespace Jellyfin.Data.Entities.Libraries
+{
+    /// <summary>
+    /// An abstract class that holds metadata.
+    /// </summary>
+    public abstract class ItemMetadata : IHasArtwork, IHasConcurrencyToken
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ItemMetadata"/> class.
+        /// </summary>
+        /// <param name="title">The title or name of the object.</param>
+        /// <param name="language">ISO-639-3 3-character language codes.</param>
+        protected ItemMetadata(string title, string language)
+        {
+            ArgumentException.ThrowIfNullOrEmpty(title);
+            ArgumentException.ThrowIfNullOrEmpty(language);
+
+            Title = title;
+            Language = language;
+            DateAdded = DateTime.UtcNow;
+            DateModified = DateAdded;
+
+            PersonRoles = new HashSet<PersonRole>();
+            Genres = new HashSet<Genre>();
+            Artwork = new HashSet<Artwork>();
+            Ratings = new HashSet<Rating>();
+            Sources = new HashSet<MetadataProviderId>();
+        }
+
+        /// <summary>
+        /// Gets the id.
+        /// </summary>
+        /// <remarks>
+        /// Identity, Indexed, Required.
+        /// </remarks>
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int Id { get; private set; }
+
+        /// <summary>
+        /// Gets or sets the title.
+        /// </summary>
+        /// <remarks>
+        /// Required, Max length = 1024.
+        /// </remarks>
+        [MaxLength(1024)]
+        [StringLength(1024)]
+        public string Title { get; set; }
+
+        /// <summary>
+        /// Gets or sets the original title.
+        /// </summary>
+        /// <remarks>
+        /// Max length = 1024.
+        /// </remarks>
+        [MaxLength(1024)]
+        [StringLength(1024)]
+        public string? OriginalTitle { get; set; }
+
+        /// <summary>
+        /// Gets or sets the sort title.
+        /// </summary>
+        /// <remarks>
+        /// Max length = 1024.
+        /// </remarks>
+        [MaxLength(1024)]
+        [StringLength(1024)]
+        public string? SortTitle { get; set; }
+
+        /// <summary>
+        /// Gets or sets the language.
+        /// </summary>
+        /// <remarks>
+        /// Required, Min length = 3, Max length = 3.
+        /// ISO-639-3 3-character language codes.
+        /// </remarks>
+        [MinLength(3)]
+        [MaxLength(3)]
+        [StringLength(3)]
+        public string Language { get; set; }
+
+        /// <summary>
+        /// Gets or sets the release date.
+        /// </summary>
+        public DateTimeOffset? ReleaseDate { get; set; }
+
+        /// <summary>
+        /// Gets the date added.
+        /// </summary>
+        /// <remarks>
+        /// Required.
+        /// </remarks>
+        public DateTime DateAdded { get; private set; }
+
+        /// <summary>
+        /// Gets or sets the date modified.
+        /// </summary>
+        /// <remarks>
+        /// Required.
+        /// </remarks>
+        public DateTime DateModified { get; set; }
+
+        /// <inheritdoc />
+        [ConcurrencyCheck]
+        public uint RowVersion { get; private set; }
+
+        /// <summary>
+        /// Gets a collection containing the person roles for this item.
+        /// </summary>
+        public virtual ICollection<PersonRole> PersonRoles { get; private set; }
+
+        /// <summary>
+        /// Gets a collection containing the genres for this item.
+        /// </summary>
+        public virtual ICollection<Genre> Genres { get; private set; }
+
+        /// <inheritdoc />
+        public virtual ICollection<Artwork> Artwork { get; private set; }
+
+        /// <summary>
+        /// Gets a collection containing the ratings for this item.
+        /// </summary>
+        public virtual ICollection<Rating> Ratings { get; private set; }
+
+        /// <summary>
+        /// Gets a collection containing the metadata sources for this item.
+        /// </summary>
+        public virtual ICollection<MetadataProviderId> Sources { get; private set; }
+
+        /// <inheritdoc />
+        public void OnSavingChanges()
+        {
+            RowVersion++;
+        }
+    }
+}