1 files changed, 84 insertions, 0 deletions
diff --git a/Jellyfin.Data/Entities/Libraries/Release.cs b/Jellyfin.Data/Entities/Libraries/Release.cs
new file mode 100644
index 000000000..43c7080d7
--- /dev/null
+++ b/Jellyfin.Data/Entities/Libraries/Release.cs
@@ -0,0 +1,84 @@
+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 entity representing a release for a library item, eg. Director's cut vs. standard.
+    /// </summary>
+    public class Release : IHasConcurrencyToken
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Release"/> class.
+        /// </summary>
+        /// <param name="name">The name of this release.</param>
+        /// <param name="owner">The owner of this release.</param>
+        public Release(string name, IHasReleases owner)
+        {
+            if (string.IsNullOrEmpty(name))
+            {
+                throw new ArgumentNullException(nameof(name));
+            }
+
+            Name = name;
+
+            owner?.Releases.Add(this);
+
+            MediaFiles = new HashSet<MediaFile>();
+            Chapters = new HashSet<Chapter>();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Release"/> class.
+        /// </summary>
+        /// <remarks>
+        /// Default constructor. Protected due to required properties, but present because EF needs it.
+        /// </remarks>
+        protected Release()
+        {
+        }
+
+        /// <summary>
+        /// Gets or sets the id.
+        /// </summary>
+        /// <remarks>
+        /// Identity, Indexed, Required.
+        /// </remarks>
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int Id { get; protected set; }
+
+        /// <summary>
+        /// Gets or sets the name.
+        /// </summary>
+        /// <remarks>
+        /// Required, Max length = 1024.
+        /// </remarks>
+        [Required]
+        [MaxLength(1024)]
+        [StringLength(1024)]
+        public string Name { get; set; }
+
+        /// <inheritdoc />
+        [ConcurrencyCheck]
+        public uint RowVersion { get; set; }
+
+        /// <summary>
+        /// Gets or sets a collection containing the media files for this release.
+        /// </summary>
+        public virtual ICollection<MediaFile> MediaFiles { get; protected set; }
+
+        /// <summary>
+        /// Gets or sets a collection containing the chapters for this release.
+        /// </summary>
+        public virtual ICollection<Chapter> Chapters { get; protected set; }
+
+        /// <inheritdoc />
+        public void OnSavingChanges()
+        {
+            RowVersion++;
+        }
+    }
+}