Additional logging for custom format score

(cherry picked from commit 3c8268c428688cc703af76b648c9b3385858274f)

Closes #10828

src/NzbDrone.Core/DecisionEngine/DownloadDecisionMaker.cs

@@ -96,6 +96,8 @@ namespace NzbDrone.Core.DecisionEngine
                             remoteMovie.CustomFormats = _formatCalculator.ParseCustomFormat(remoteMovie, remoteMovie.Release.Size);
                             remoteMovie.CustomFormatScore = remoteMovie?.Movie?.QualityProfile?.CalculateCustomFormatScore(remoteMovie.CustomFormats) ?? 0;
 
+                            _logger.Trace("Custom Format Score of '{0}' [{1}] calculated for '{2}'", remoteMovie.CustomFormatScore, remoteMovie.CustomFormats?.ConcatToString(), report.Title);
+
                             remoteMovie.DownloadAllowed = remoteMovie.Movie != null;
                             decision = GetDecisionForReport(remoteMovie, searchCriteria);
                         }

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

@@ -1,3 +1,4 @@
+using NLog;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.IndexerSearch.Definitions;
 using NzbDrone.Core.Parser.Model;
@@ -6,6 +7,13 @@ namespace NzbDrone.Core.DecisionEngine.Specifications
 {
     public class CustomFormatAllowedbyProfileSpecification : IDecisionEngineSpecification
     {
+        private readonly Logger _logger;
+
+        public CustomFormatAllowedbyProfileSpecification(Logger logger)
+        {
+            _logger = logger;
+        }
+
         public SpecificationPriority Priority => SpecificationPriority.Default;
         public RejectionType Type => RejectionType.Permanent;
 
@@ -16,9 +24,11 @@ namespace NzbDrone.Core.DecisionEngine.Specifications
 
             if (score < minScore)
             {
-                return Decision.Reject("Custom Formats {0} have score {1} below Movie's minimum {2}", subject.CustomFormats.ConcatToString(), score, minScore);
+                return Decision.Reject("Custom Formats {0} have score {1} below Movie's profile minimum {2}", subject.CustomFormats.ConcatToString(), score, minScore);
             }
 
+            _logger.Trace("Custom Format Score of {0} [{1}] above Movie's profile minimum {2}", score, subject.CustomFormats.ConcatToString(), minScore);
+
             return Decision.Accept();
         }
     }