New: Ability to set minimum seeders on a per indexer basis

src/NzbDrone.Core/DecisionEngine/Specifications/TorrentSeedingSpecification.cs

@@ -0,0 +1,51 @@
+using System.Linq;
+using NLog;
+using NzbDrone.Common.Reflection;
+using NzbDrone.Core.Indexers;
+using NzbDrone.Core.IndexerSearch.Definitions;
+using NzbDrone.Core.Parser.Model;
+
+namespace NzbDrone.Core.DecisionEngine.Specifications.Search
+{
+    public class TorrentSeedingSpecification : IDecisionEngineSpecification
+    {
+        private readonly IndexerFactory _indexerFactory;
+        private readonly Logger _logger;
+
+        public TorrentSeedingSpecification(IndexerFactory indexerFactory, Logger logger)
+        {
+            _indexerFactory = indexerFactory;
+            _logger = logger;
+        }
+
+        public SpecificationPriority Priority => SpecificationPriority.Default;
+        public RejectionType Type => RejectionType.Permanent;
+
+
+        public Decision IsSatisfiedBy(RemoteEpisode remoteEpisode, SearchCriteriaBase searchCriteria)
+        {
+            var torrentInfo = remoteEpisode.Release as TorrentInfo;
+
+            if (torrentInfo == null)
+            {
+                return Decision.Accept();
+            }
+
+            var indexer = _indexerFactory.Get(torrentInfo.IndexerId);
+            var torrentIndexerSettings = indexer.Settings as ITorrentIndexerSettings;
+
+            if (torrentIndexerSettings != null)
+            {
+                var minimumSeeders = torrentIndexerSettings.MinimumSeeders;
+
+                if (torrentInfo.Seeders.HasValue && torrentInfo.Seeders.Value < minimumSeeders)
+                {
+                    _logger.Debug("Not enough seeders: {0}. Minimum seeders: {1}", torrentInfo.Seeders, minimumSeeders);
+                    return Decision.Reject("Not enough seeders: {0}. Minimum seeders: {1}", torrentInfo.Seeders, minimumSeeders);
+                }
+            }
+
+            return Decision.Accept();
+        }
+    }
+}