New: Store last search time for AlbumSearch

(cherry picked from commit 9af57c6786)

src/NzbDrone.Core/Datastore/Migration/077_album_last_searched_time.cs

@@ -0,0 +1,14 @@
+using FluentMigrator;
+using NzbDrone.Core.Datastore.Migration.Framework;
+
+namespace NzbDrone.Core.Datastore.Migration
+{
+    [Migration(077)]
+    public class album_last_searched_time : NzbDroneMigrationBase
+    {
+        protected override void MainDbUpgrade()
+        {
+            Alter.Table("Albums").AddColumn("LastSearchTime").AsDateTimeOffset().Nullable();
+        }
+    }
+}

src/NzbDrone.Core/IndexerSearch/ReleaseSearchService.cs

@@ -139,6 +139,16 @@ namespace NzbDrone.Core.IndexerSearch
 
             _logger.Debug("Total of {0} reports were found for {1} from {2} indexers", reports.Count, criteriaBase, indexers.Count);
 
+            // Update the last search time for all albums if at least 1 indexer was searched.
+            if (indexers.Any())
+            {
+                var lastSearchTime = DateTime.UtcNow;
+                _logger.Debug("Setting last search time to: {0}", lastSearchTime);
+
+                criteriaBase.Albums.ForEach(a => a.LastSearchTime = lastSearchTime);
+                _albumService.UpdateLastSearchTime(criteriaBase.Albums);
+            }
+
             return _makeDownloadDecision.GetSearchDecision(reports, criteriaBase).ToList();
         }
 

src/NzbDrone.Core/Music/Model/Album.cs

@@ -38,6 +38,7 @@ namespace NzbDrone.Core.Music
         public string AlbumType { get; set; }
         public List<SecondaryAlbumType> SecondaryTypes { get; set; }
         public Ratings Ratings { get; set; }
+        public DateTime? LastSearchTime { get; set; }
 
         // These are Lidarr generated/config
         public string CleanTitle { get; set; }

src/NzbDrone.Core/Music/Services/AlbumService.cs

@@ -30,6 +30,7 @@ namespace NzbDrone.Core.Music
         Album UpdateAlbum(Album album);
         void SetAlbumMonitored(int albumId, bool monitored);
         void SetMonitored(IEnumerable<int> ids, bool monitored);
+        void UpdateLastSearchTime(List<Album> albums);
         PagingSpec<Album> AlbumsWithoutFiles(PagingSpec<Album> pagingSpec);
         List<Album> AlbumsBetweenDates(DateTime start, DateTime end, bool includeUnmonitored);
         List<Album> ArtistAlbumsBetweenDates(Artist artist, DateTime start, DateTime end, bool includeUnmonitored);
@@ -301,6 +302,11 @@ namespace NzbDrone.Core.Music
             }
         }
 
+        public void UpdateLastSearchTime(List<Album> albums)
+        {
+            _albumRepository.SetFields(albums, a => a.LastSearchTime);
+        }
+
         public void Handle(ArtistsDeletedEvent message)
         {
             // TODO Do this in one call instead of one for each artist?