IndexerType added, this will store the source indexer in history, so users can see (if they care) and we can add an icon if we want.

NzbDrone.Core/Model/IndexerType.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace NzbDrone.Core.Model
+{
+    public enum IndexerType
+    {
+        Other = 0,
+        NzbsOrg = 1,
+        NzbMatrix = 2,
+        NzbsRus = 3,
+        Newzbin = 4
+    }
+}

NzbDrone.Core/NzbDrone.Core.csproj

@@ -166,6 +166,7 @@
     <Compile Include="Instrumentation\SubsonicTarget.cs" />
     <Compile Include="Instrumentation\ExceptioneerTarget.cs" />
     <Compile Include="Instrumentation\NlogWriter.cs" />
+    <Compile Include="Model\IndexerType.cs" />
     <Compile Include="Model\SabnzbdInfoModel.cs" />
     <Compile Include="Providers\Indexer\SyndicationFeedXmlReader.cs" />
     <Compile Include="Providers\AutoConfigureProvider.cs" />

NzbDrone.Core/Providers/Indexer/IndexerProviderBase.cs

@@ -49,7 +49,6 @@ protected IndexerProviderBase(SeriesProvider seriesProvider, SeasonProvider seas
         /// </summary>
         protected abstract string[] Urls { get; }
 
-
         /// <summary>
         /// Gets the credential.
         /// </summary>
@@ -58,7 +57,6 @@ protected virtual NetworkCredential Credentials
             get { return null; }
         }
 
-
         public IndexerSetting Settings
         {
             get
@@ -189,7 +187,8 @@ internal void ProcessItem(SyndicationItem feedItem)
                         EpisodeId = episode.EpisodeId,
                         IsProper = parseResult.Proper,
                         NzbTitle = feedItem.Title.Text,
-                        Quality = parseResult.Quality
+                        Quality = parseResult.Quality,
+                        Indexer = GetIndexerType()
                     });
                 }
             }
@@ -246,6 +245,15 @@ protected virtual EpisodeParseResult CustomParser(SyndicationItem item, EpisodeP
         /// <returns>Download link URL</returns>
         protected abstract string NzbDownloadUrl(SyndicationItem item);
 
+        /// <summary>
+        ///   Gets he IndexerType Enum for this indexer
+        /// </summary>
+        /// <returns>IndexerType Enum</returns>
+        protected virtual IndexerType GetIndexerType()
+        {
+            return IndexerType.Other;
+        }
+
         private bool InHistory(IList<Episode> episodes, EpisodeParseResult parseResult, SyndicationItem feedItem)
         {
             foreach (var episode in episodes)

NzbDrone.Core/Providers/Indexer/NewzbinProvider.cs

@@ -52,5 +52,10 @@ protected override EpisodeParseResult CustomParser(SyndicationItem item, Episode
 
             return currentResult;
         }
+
+        protected override IndexerType GetIndexerType()
+        {
+            return IndexerType.Newzbin;
+        }
     }
 }

NzbDrone.Core/Providers/Indexer/NzbMatrixProvider.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Net;
 using System.ServiceModel.Syndication;
+using NzbDrone.Core.Model;
 using NzbDrone.Core.Providers.Core;
 using SubSonic.Repository;
 
@@ -36,5 +37,10 @@ protected override string NzbDownloadUrl(SyndicationItem item)
         {
             return item.Links[0].Uri.ToString();
         }
+
+        protected override IndexerType GetIndexerType()
+        {
+            return IndexerType.NzbMatrix;
+        }
     }
 }

NzbDrone.Core/Providers/Indexer/NzbsOrgProvider.cs

@@ -1,5 +1,6 @@
 using System.Net;
 using System.ServiceModel.Syndication;
+using NzbDrone.Core.Model;
 using NzbDrone.Core.Providers.Core;
 using SubSonic.Repository;
 
@@ -33,6 +34,9 @@ protected override string NzbDownloadUrl(SyndicationItem item)
             return item.Id;
         }
 
-
+        protected override IndexerType GetIndexerType()
+        {
+            return IndexerType.NzbsOrg;
+        }
     }
 }

NzbDrone.Core/Providers/Indexer/NzbsRUsProvider.cs

@@ -1,5 +1,6 @@
 using System.Net;
 using System.ServiceModel.Syndication;
+using NzbDrone.Core.Model;
 using NzbDrone.Core.Providers.Core;
 using SubSonic.Repository;
 
@@ -36,5 +37,10 @@ protected override string NzbDownloadUrl(SyndicationItem item)
         {
             return item.Links[0].Uri.ToString();
         }
+
+        protected override IndexerType GetIndexerType()
+        {
+            return IndexerType.NzbsRus;
+        }
     }
 }

NzbDrone.Core/Repository/History.cs

@@ -1,4 +1,5 @@
 using System;
+using NzbDrone.Core.Model;
 using NzbDrone.Core.Repository.Quality;
 using SubSonic.SqlGeneration.Schema;
 
@@ -14,6 +15,7 @@ public class History
         public QualityTypes Quality { get; set; }
         public DateTime Date { get; set; }
         public bool IsProper { get; set; }
+        public IndexerType? Indexer { get; set; }
         
         [SubSonicToOneRelation(ThisClassContainsJoinKey = true)]
         public virtual Episode Episode { get; protected set; }