Show indexer privacy in search results

src/NzbDrone.Core/IndexerSearch/NewznabResults.cs

@@ -76,8 +76,12 @@ namespace NzbDrone.Core.IndexerSearch
                         select new XElement("item",
                             new XElement("title", RemoveInvalidXMLChars(r.Title)),
                             new XElement("description", RemoveInvalidXMLChars(r.Description)),
-                            new XElement("guid", r.Guid),  // GUID and (Link or Magnet) are mandatory
-                            new XElement("prowlarrindexer", new XAttribute("id", r.IndexerId), r.Indexer),
+                            new XElement("guid", r.Guid), // GUID and (Link or Magnet) are mandatory
+                            new XElement(
+                                "prowlarrindexer",
+                                new XAttribute("id", r.IndexerId),
+                                new XAttribute("type", r.IndexerPrivacy switch { IndexerPrivacy.Private => "private", IndexerPrivacy.Public => "public", _ => "semi-private" }),
+                                r.Indexer),
                             r.InfoUrl == null ? null : new XElement("comments", r.InfoUrl),
                             r.PublishDate == DateTime.MinValue ? new XElement("pubDate", XmlDateFormat(DateTime.Now)) : new XElement("pubDate", XmlDateFormat(r.PublishDate)),
                             new XElement("size", r.Size),

src/NzbDrone.Core/Indexers/IndexerBase.cs

@@ -128,6 +128,7 @@ namespace NzbDrone.Core.Indexers
                 c.IndexerId = Definition.Id;
                 c.Indexer = Definition.Name;
                 c.DownloadProtocol = Protocol;
+                c.IndexerPrivacy = ((IndexerDefinition)Definition).Privacy;
                 c.IndexerPriority = ((IndexerDefinition)Definition).Priority;
 
                 if (Protocol == DownloadProtocol.Torrent)

src/NzbDrone.Core/Parser/Model/ReleaseInfo.cs

@@ -25,6 +25,7 @@ namespace NzbDrone.Core.Parser.Model
         public int IndexerId { get; set; }
         public string Indexer { get; set; }
         public int IndexerPriority { get; set; }
+        public IndexerPrivacy IndexerPrivacy { get; set; }
         public DownloadProtocol DownloadProtocol { get; set; }
         public int? Grabs { get; set; }
         public int? Files { get; set; }