Added Missing view to show which episodes are missing from disk for all series.

NzbDrone.Web/Controllers/MissingController.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+using NzbDrone.Core.Providers;
+using NzbDrone.Web.Models;
+using Telerik.Web.Mvc;
+
+namespace NzbDrone.Web.Controllers
+{
+    public class MissingController : Controller
+    {
+        private readonly EpisodeProvider _episodeProvider;
+
+        public MissingController(EpisodeProvider episodeProvider)
+        {
+            _episodeProvider = episodeProvider;
+        }
+
+        public ActionResult Index()
+        {
+            return View();
+        }
+
+        [GridAction]
+        public ActionResult _AjaxBinding()
+        {
+            //TODO: possible subsonic bug, IQuarible causes some issues so ToList() is called
+            //https://github.com/subsonic/SubSonic-3.0/issues/263
+
+            var missing = _episodeProvider.EpisodesWithoutFiles(false).Select(e => new MissingEpisodeModel
+            {
+                EpisodeId = e.EpisodeId,
+                SeasonNumber = e.SeasonNumber,
+                EpisodeNumber = e.EpisodeNumber,
+                EpisodeTitle = e.Title,
+                Overview = e.Overview,
+                SeriesTitle = e.Series.Title,
+                AirDate = e.AirDate,
+            });
+
+            return View(new GridModel(missing));
+        }
+    }
+}