New: Only Refresh on TMDB Refersh

src/NzbDrone.Core/MetadataSource/IProvideMovieInfo.cs

@@ -9,5 +9,6 @@ namespace NzbDrone.Core.MetadataSource
     {
         Movie GetMovieInfo(string ImdbId);
         Movie GetMovieInfo(int TmdbId, Profile profile, bool hasPreDBEntry);
+        HashSet<int> GetChangedMovies(DateTime startTime);
     }
 }

src/NzbDrone.Core/MetadataSource/SkyHook/SkyHookProxy.cs

@@ -50,6 +50,22 @@ namespace NzbDrone.Core.MetadataSource.SkyHook
             _logger = logger;
         }
 
+        public HashSet<int> GetChangedMovies (DateTime startTime)
+        {
+            var request = _movieBuilder.Create()
+                .SetSegment("route", "movie")
+                .SetSegment("id", "")
+                .SetSegment("secondaryRoute", "changes")
+                .Build();
+
+            request.AllowAutoRedirect = true;
+            request.SuppressHttpError = true;
+
+            var response = _httpClient.Get<MovieSearchRoot>(request);
+
+            return new HashSet<int>(response.Resource.results.Select(c => c.id));
+        }
+
         public Movie GetMovieInfo(int TmdbId, Profile profile = null, bool hasPreDBEntry = false)
         {
             var langCode = profile != null ? IsoLanguages.Get(profile.Language)?.TwoLetterCode ?? "en" : "en";

src/NzbDrone.Core/Movies/RefreshMovieService.cs

@@ -12,7 +12,6 @@ using NzbDrone.Core.MediaFiles;
 using NzbDrone.Core.Messaging.Commands;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.MetadataSource;
-using NzbDrone.Core.MediaFiles.Commands;
 using NzbDrone.Core.MetadataSource.RadarrAPI;
 using NzbDrone.Core.Movies.AlternativeTitles;
 using NzbDrone.Core.Movies.Commands;
@@ -219,9 +218,17 @@ namespace NzbDrone.Core.Movies
             {
                 var allMovie = _movieService.GetAllMovies().OrderBy(c => c.SortTitle).ToList();
 
+                var updatedTMDBMovies = new HashSet<int>();
+
+                if (message.LastExecutionTime.HasValue && message.LastExecutionTime.Value.AddDays(14) > DateTime.UtcNow)
+                {
+                    // TODO: Should we add some overlap to ensure we get everything?
+                    updatedTMDBMovies = _movieInfo.GetChangedMovies(message.LastExecutionTime.Value);
+                }
+
                 foreach (var movie in allMovie)
                 {
-                    if (message.Trigger == CommandTrigger.Manual || _checkIfMovieShouldBeRefreshed.ShouldRefresh(movie))
+                    if ((updatedTMDBMovies.Count == 0 && _checkIfMovieShouldBeRefreshed.ShouldRefresh(movie)) || updatedTMDBMovies.Contains(movie.TmdbId) || message.Trigger == CommandTrigger.Manual)
                     {
                         try
                         {