New: Automatic search for missing episodes if RSS Sync hasn't been run recently

src/NzbDrone.Core/Indexers/RssSyncService.cs

@@ -1,7 +1,9 @@
-using System.Linq;
+using System;
+using System.Linq;
 using NLog;
 using NzbDrone.Core.DecisionEngine;
 using NzbDrone.Core.Download;
+using NzbDrone.Core.IndexerSearch;
 using NzbDrone.Core.Instrumentation.Extensions;
 using NzbDrone.Core.Messaging.Commands;
 
@@ -17,16 +19,19 @@ namespace NzbDrone.Core.Indexers
         private readonly IFetchAndParseRss _rssFetcherAndParser;
         private readonly IMakeDownloadDecision _downloadDecisionMaker;
         private readonly IDownloadApprovedReports _downloadApprovedReports;
+        private readonly IEpisodeSearchService _episodeSearchService;
         private readonly Logger _logger;
 
         public RssSyncService(IFetchAndParseRss rssFetcherAndParser,
                               IMakeDownloadDecision downloadDecisionMaker,
                               IDownloadApprovedReports downloadApprovedReports,
+                              IEpisodeSearchService episodeSearchService,
                               Logger logger)
         {
             _rssFetcherAndParser = rssFetcherAndParser;
             _downloadDecisionMaker = downloadDecisionMaker;
             _downloadApprovedReports = downloadApprovedReports;
+            _episodeSearchService = episodeSearchService;
             _logger = logger;
         }
 
@@ -45,6 +50,12 @@ namespace NzbDrone.Core.Indexers
         public void Execute(RssSyncCommand message)
         {
             Sync();
+
+            if (message.LastExecutionTime.HasValue && DateTime.UtcNow.Subtract(message.LastExecutionTime.Value).TotalHours > 3)
+            {
+                _logger.Info("RSS Sync hasn't run since: {0}. Searching for any missing episodes since then.", message.LastExecutionTime.Value);
+                _episodeSearchService.MissingEpisodesAiredAfter(message.LastExecutionTime.Value.AddDays(-1));
+            }
         }
     }
-}
+}