New: Minimum Age setting to deal with propagation issues (Usenet only)

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

@@ -0,0 +1,43 @@
+using NLog;
+using NzbDrone.Core.Configuration;
+using NzbDrone.Core.IndexerSearch.Definitions;
+using NzbDrone.Core.Parser.Model;
+
+namespace NzbDrone.Core.DecisionEngine.Specifications
+{
+    public class MinimumAgeSpecification : IDecisionEngineSpecification
+    {
+        private readonly IConfigService _configService;
+        private readonly Logger _logger;
+
+        public MinimumAgeSpecification(IConfigService configService, Logger logger)
+        {
+            _configService = configService;
+            _logger = logger;
+        }
+
+        public RejectionType Type { get { return RejectionType.Temporary; } }
+
+        public virtual Decision IsSatisfiedBy(RemoteEpisode subject, SearchCriteriaBase searchCriteria)
+        {
+            if (subject.Release.DownloadProtocol != Indexers.DownloadProtocol.Usenet)
+            {
+                _logger.Debug("Not checking minimum age requirement for non-usenet report");
+                return Decision.Accept();
+            }
+
+            var age = subject.Release.AgeMinutes;
+            var minimumAge = _configService.MinimumAge;
+
+            _logger.Debug("Checking if report meets minimum age requirements. {0}", age);
+
+            if (minimumAge > 0 && age < minimumAge)
+            {
+                _logger.Debug("Only {0} minutes old, minimum age is {1} minutes", age, minimumAge);
+                return Decision.Reject("Only {0} minutes old, minimum age is {1} minutes", age, minimumAge);
+            }
+
+            return Decision.Accept();
+        }
+    }
+}