Moved some entities to the main project

MediaBrowser.Controller/Entities/UserItemData.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace MediaBrowser.Model.Entities
+{
+    public class UserItemData
+    {
+        private float? _Rating = null;
+        /// <summary>
+        /// Gets or sets the users 0-10 rating
+        /// </summary>
+        public float? Rating
+        {
+            get
+            {
+                return _Rating;
+            }
+            set
+            {
+                if (value.HasValue)
+                {
+                    if (value.Value < 0 || value.Value > 10)
+                    {
+                        throw new InvalidOperationException("A 0-10 rating is required for UserItemData.");
+                    }
+                }
+
+                _Rating = value;
+            }
+        }
+
+        public long PlaybackPositionTicks { get; set; }
+
+        public int PlayCount { get; set; }
+
+        public bool IsFavorite { get; set; }
+
+        /// <summary>
+        /// This is an interpreted property to indicate likes or dislikes
+        /// This should never be serialized.
+        /// </summary>
+        [IgnoreDataMember]
+        public bool? Likes
+        {
+            get
+            {
+                if (Rating != null)
+                {
+                    return Rating >= 6.5;
+                }
+
+                return null;
+            }
+            set
+            {
+                if (value.HasValue)
+                {
+                    Rating = value.Value ? 10 : 1;
+                }
+                else
+                {
+                    Rating = null;
+                }
+            }
+        }
+    }
+}