cleaned up parsing logic and structure.

NzbDrone.Core/Tv/EpisodeStatuses.cs

@@ -0,0 +1,48 @@
+namespace NzbDrone.Core.Tv
+{
+    public enum EpisodeStatuses
+    {
+        /// <summary>
+        ///   Episode has not aired yet
+        /// </summary>
+        NotAired,
+
+        /// <summary>
+        /// Episode is ignored
+        /// </summary>
+        Ignored,
+
+        /// <summary>
+        /// Episode has aired, but no episode
+        /// files are available
+        /// Todo: We shouldn't set missing until the episode has past the actual airtime + runtime, including UtcOffset
+        /// </summary>
+        Missing,
+
+        /// <summary>
+        /// Episode airs today, but no episode
+        /// files are available
+        /// </summary>
+        AirsToday,
+
+        /// <summary>
+        /// Episode is being downloaded
+        /// </summary>
+        Downloading,
+
+        /// <summary>
+        /// Episode has been downloaded and is unpacking (_UNPACK_)
+        /// </summary>
+        Unpacking,
+
+        /// <summary>
+        /// Episode has failed to download properly (_FAILED_)
+        /// </summary>
+        Failed,
+
+        /// <summary>
+        /// Episode is present in disk
+        /// </summary>
+        Ready
+    }
+}