Newznab searching is better

Fixed: Newznab returns better results for multi-word searches

NzbDrone.Core.Test/IndexerTests.cs

@@ -708,5 +708,17 @@ namespace NzbDrone.Core.Test
             parseResults.Should().HaveCount(1);
             parseResults[0].ReleaseGroup.Should().Be("tvp");
         }
+
+        [TestCase("30 Rock", "30%20Rock")]
+        [TestCase("The Office (US)", "Office%20US")]
+        [TestCase("Revenge", "Revenge")]
+        [TestCase(" Top Gear ", "Top%20Gear")]
+        [TestCase("Breaking   Bad", "Breaking%20Bad")]
+        [TestCase("Top Chef (US)", "Top%20Chef%20US")]
+        [TestCase("Castle (2009)", "Castle%202009")]
+        public void newznab_GetQueryTitle_should_return_expected_result(string seriesTitle, string expected)
+        {
+            Mocker.Resolve<Newznab>().GetQueryTitle(seriesTitle).Should().Be(expected);
+        }
     }
 }

NzbDrone.Core/Providers/Indexer/IndexerBase.cs

@@ -18,7 +18,7 @@ namespace NzbDrone.Core.Providers.Indexer
         private readonly HttpProvider _httpProvider;
         protected readonly ConfigProvider _configProvider;
 
-        private static readonly Regex TitleSearchRegex = new Regex(@"[\W]", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        protected static readonly Regex TitleSearchRegex = new Regex(@"[\W]", RegexOptions.IgnoreCase | RegexOptions.Compiled);
         protected static readonly Regex RemoveThe = new Regex(@"^the\s", RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         [Inject]

NzbDrone.Core/Providers/Indexer/Newznab.cs

@@ -129,5 +129,21 @@ namespace NzbDrone.Core.Providers.Indexer
             var hostname = item.Links[0].Uri.DnsSafeHost.ToLower();
             return String.Format("{0}_{1}", Name, hostname);
         }
+
+        public override string GetQueryTitle(string title)
+        {
+            title = RemoveThe.Replace(title, string.Empty);
+            
+            //remove any repeating whitespace
+            var cleanTitle = TitleSearchRegex.Replace(title, "%20");
+
+            cleanTitle = Regex.Replace(cleanTitle, @"(%20){1,100}", "%20");
+
+            //Trim %20 from start then then the end
+            cleanTitle = Regex.Replace(cleanTitle, "^(%20)", "");
+            cleanTitle = Regex.Replace(cleanTitle, "(%20)$", "");
+
+            return cleanTitle;
+        }
     }
 }