New: Added support for newznab indexers using tvdbid for searching.

src/NzbDrone.Core/Indexers/Newznab/NewznabCapabilities.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+
+namespace NzbDrone.Core.Indexers.Newznab
+{
+    public class NewznabCapabilities
+    {
+        public string[] SupportedSearchParameters { get; set; }
+        public string[] SupportedTvSearchParameters { get; set; }
+        public List<NewznabCategory> Categories { get; set; }
+
+        public NewznabCapabilities()
+        {
+            SupportedSearchParameters = new[] { "q" };
+            SupportedTvSearchParameters = new[] { "q", "rid", "season", "ep" }; // This should remain 'rid' for older newznab installs.
+            Categories = new List<NewznabCategory>();
+        }
+    }
+
+    public class NewznabCategory
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public string Description { get; set; }
+
+        public List<NewznabCategory> Subcategories { get; set; }
+    }
+}