Moved DecisionEngine to root of core.

NzbDrone.Core/DecisionEngine/UpgradeDiskSpecification.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Linq;
+using NLog;
+using NzbDrone.Core.Model;
+
+namespace NzbDrone.Core.DecisionEngine
+{
+    public class UpgradeDiskSpecification
+    {
+        private readonly QualityUpgradeSpecification _qualityUpgradeSpecification;
+        private static readonly Logger logger = LogManager.GetCurrentClassLogger();
+
+        public UpgradeDiskSpecification(QualityUpgradeSpecification qualityUpgradeSpecification)
+        {
+            _qualityUpgradeSpecification = qualityUpgradeSpecification;
+        }
+
+        public UpgradeDiskSpecification()
+        {
+        }
+
+        public virtual bool IsSatisfiedBy(EpisodeParseResult subject)
+        {
+            foreach (var file in subject.Episodes.Select(c => c.EpisodeFile).Where(c => c != null))
+            {
+                logger.Trace("Comparing file quality with report. Existing file is {0} proper:{1}", file.Quality, file.Proper);
+                if (!_qualityUpgradeSpecification.IsSatisfiedBy(new QualityModel { Quality = file.Quality, Proper = file.Proper }, subject.Quality, subject.Series.QualityProfile.Cutoff))
+                    return false;
+
+                if(subject.Quality.Proper && file.DateAdded < DateTime.Today.AddDays(-7))
+                {
+                    logger.Trace("Proper for old file, skipping: {0}", subject);
+                    return false;
+                }
+            }
+
+            return true;
+        }
+    }
+}