Fixed: (Newznab) Don't die if TV or Music only

Fixes #283

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

@@ -177,13 +177,31 @@ namespace NzbDrone.Core.Indexers.Newznab
                 }
 
                 if (capabilities.MovieSearchParams != null &&
-                    new[] { MovieSearchParam.Q, MovieSearchParam.ImdbId }.Any(v => capabilities.MovieSearchParams.Contains(v)) &&
-                    new[] { MovieSearchParam.ImdbTitle, MovieSearchParam.ImdbYear }.All(v => capabilities.MovieSearchParams.Contains(v)))
+                    new[] { MovieSearchParam.Q, MovieSearchParam.ImdbId }.Any(v => capabilities.MovieSearchParams.Contains(v)))
                 {
                     return null;
                 }
 
-                return new ValidationFailure(string.Empty, "This indexer does not support searching for movies :(. Tell your indexer staff to enable this or force add the indexer by disabling search, adding the indexer and then enabling it again.");
+                if (capabilities.TvSearchParams != null &&
+                    new[] { TvSearchParam.Q, TvSearchParam.TvdbId, TvSearchParam.RId }.Any(v => capabilities.TvSearchParams.Contains(v)) &&
+                    new[] { TvSearchParam.Season, TvSearchParam.Ep }.All(v => capabilities.TvSearchParams.Contains(v)))
+                {
+                    return null;
+                }
+
+                if (capabilities.MusicSearchParams != null &&
+                    new[] { MusicSearchParam.Q, MusicSearchParam.Artist, MusicSearchParam.Album }.Any(v => capabilities.MusicSearchParams.Contains(v)))
+                {
+                    return null;
+                }
+
+                if (capabilities.BookSearchParams != null &&
+                    new[] { BookSearchParam.Q, BookSearchParam.Author, BookSearchParam.Title }.Any(v => capabilities.BookSearchParams.Contains(v)))
+                {
+                    return null;
+                }
+
+                return new ValidationFailure(string.Empty, "This indexer does not support searching for tv, music, or movies :(. Tell your indexer staff to enable this or force add the indexer by disabling search, adding the indexer and then enabling it again.");
             }
             catch (Exception ex)
             {

src/NzbDrone.Core/Indexers/Definitions/Newznab/NewznabRequestGenerator.cs

@@ -140,8 +140,7 @@ namespace NzbDrone.Core.Indexers.Newznab
 
             if (searchCriteria.Season.HasValue && capabilities.TvSearchSeasonAvailable)
             {
-                // Pad seasons to two decimals due to issues with NNTmux handling season = 0
-                parameters.Add("season", searchCriteria.Season.Value.ToString("00"));
+                parameters.Add("season", NewznabifySeasonNumber(searchCriteria.Season.Value));
             }
 
             if (searchCriteria.Episode.IsNotNullOrWhiteSpace() && capabilities.TvSearchEpAvailable)
@@ -270,6 +269,12 @@ namespace NzbDrone.Core.Indexers.Newznab
             return title.Replace("+", "%20");
         }
 
+        // Temporary workaround for NNTMux considering season=0 -> null. '00' should work on existing newznab indexers.
+        private static string NewznabifySeasonNumber(int seasonNumber)
+        {
+            return seasonNumber == 0 ? "00" : seasonNumber.ToString();
+        }
+
         public Func<IDictionary<string, string>> GetCookies { get; set; }
         public Action<IDictionary<string, string>, DateTime?> CookiesUpdater { get; set; }
     }

src/NzbDrone.Core/Indexers/Definitions/Torznab/Torznab.cs

@@ -153,13 +153,31 @@ namespace NzbDrone.Core.Indexers.Torznab
                 }
 
                 if (capabilities.MovieSearchParams != null &&
-                    new[] { MovieSearchParam.Q, MovieSearchParam.ImdbId }.Any(v => capabilities.MovieSearchParams.Contains(v)) &&
-                    new[] { MovieSearchParam.ImdbTitle, MovieSearchParam.ImdbYear }.All(v => capabilities.MovieSearchParams.Contains(v)))
+                    new[] { MovieSearchParam.Q, MovieSearchParam.ImdbId }.Any(v => capabilities.MovieSearchParams.Contains(v)))
                 {
                     return null;
                 }
 
-                return new ValidationFailure(string.Empty, "This indexer does not support searching for movies :(. Tell your indexer staff to enable this or force add the indexer by disabling search, adding the indexer and then enabling it again.");
+                if (capabilities.TvSearchParams != null &&
+                    new[] { TvSearchParam.Q, TvSearchParam.TvdbId, TvSearchParam.RId }.Any(v => capabilities.TvSearchParams.Contains(v)) &&
+                    new[] { TvSearchParam.Season, TvSearchParam.Ep }.All(v => capabilities.TvSearchParams.Contains(v)))
+                {
+                    return null;
+                }
+
+                if (capabilities.MusicSearchParams != null &&
+                    new[] { MusicSearchParam.Q, MusicSearchParam.Artist, MusicSearchParam.Album }.Any(v => capabilities.MusicSearchParams.Contains(v)))
+                {
+                    return null;
+                }
+
+                if (capabilities.BookSearchParams != null &&
+                    new[] { BookSearchParam.Q, BookSearchParam.Author, BookSearchParam.Title }.Any(v => capabilities.BookSearchParams.Contains(v)))
+                {
+                    return null;
+                }
+
+                return new ValidationFailure(string.Empty, "This indexer does not support searching for tv, music, or movies :(. Tell your indexer staff to enable this or force add the indexer by disabling search, adding the indexer and then enabling it again.");
             }
             catch (Exception ex)
             {