add activity log feature

MediaBrowser.Model/Activity/ActivityLogEntry.cs

@@ -0,0 +1,62 @@
+using MediaBrowser.Model.Logging;
+using System;
+
+namespace MediaBrowser.Model.Activity
+{
+    public class ActivityLogEntry
+    {
+        /// <summary>
+        /// Gets or sets the identifier.
+        /// </summary>
+        /// <value>The identifier.</value>
+        public string Id { get; set; }
+
+        /// <summary>
+        /// Gets or sets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets the overview.
+        /// </summary>
+        /// <value>The overview.</value>
+        public string Overview { get; set; }
+
+        /// <summary>
+        /// Gets or sets the short overview.
+        /// </summary>
+        /// <value>The short overview.</value>
+        public string ShortOverview { get; set; }
+
+        /// <summary>
+        /// Gets or sets the type.
+        /// </summary>
+        /// <value>The type.</value>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// Gets or sets the item identifier.
+        /// </summary>
+        /// <value>The item identifier.</value>
+        public string ItemId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the date.
+        /// </summary>
+        /// <value>The date.</value>
+        public DateTime Date { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user identifier.
+        /// </summary>
+        /// <value>The user identifier.</value>
+        public string UserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the log severity.
+        /// </summary>
+        /// <value>The log severity.</value>
+        public LogSeverity Severity { get; set; }
+    }
+}