Original Language filter optional for TMDb Popular lists

src/NzbDrone.Core/ImportLists/TMDb/Popular/TMDbPopularRequestGenerator.cs

@@ -38,7 +38,7 @@ namespace NzbDrone.Core.ImportLists.TMDb.Popular
             var excludeGenreIds = Settings.FilterCriteria.ExcludeGenreIds;
             var includeCompanyIds = Settings.FilterCriteria.IncludeCompanyIds;
             var excludeCompanyIds = Settings.FilterCriteria.ExcludeCompanyIds;
-            var languageCode = (TMDbLanguageCodes)Settings.FilterCriteria.LanguageCode;
+            var languageCode = Settings.FilterCriteria.LanguageCode;
 
             var todaysDate = DateTime.Now.ToString("yyyy-MM-dd");
             var threeMonthsAgo = DateTime.Parse(todaysDate).AddMonths(-3).ToString("yyyy-MM-dd");
@@ -48,7 +48,8 @@ namespace NzbDrone.Core.ImportLists.TMDb.Popular
                 .SetSegment("api", "3")
                 .SetSegment("route", "discover")
                 .SetSegment("id", "")
-                .SetSegment("secondaryRoute", "movie");
+                .SetSegment("secondaryRoute", "movie")
+                .Accept(HttpAccept.Json);
 
             switch (Settings.TMDbListType)
             {
@@ -104,9 +105,10 @@ namespace NzbDrone.Core.ImportLists.TMDb.Popular
                 requestBuilder.AddQueryParam("without_companies", excludeCompanyIds);
             }
 
-            requestBuilder
+            if (languageCode.HasValue)
-                .AddQueryParam("with_original_language", languageCode)
+            {
-                .Accept(HttpAccept.Json);
+                requestBuilder.AddQueryParam("with_original_language", (TMDbLanguageCodes)languageCode);
+            }
 
             for (var pageNumber = 1; pageNumber <= MaxPages; pageNumber++)
             {

src/NzbDrone.Core/ImportLists/TMDb/TMDbFilterSettings.cs

@@ -60,7 +60,6 @@ namespace NzbDrone.Core.ImportLists.TMDb
         {
             MinVoteAverage = "5";
             MinVotes = "1";
-            LanguageCode = (int)TMDbLanguageCodes.en;
             IncludeGenreIds = "";
             ExcludeGenreIds = "";
             IncludeCompanyIds = "";
@@ -89,6 +88,6 @@ namespace NzbDrone.Core.ImportLists.TMDb
         public string ExcludeCompanyIds { get; set; }
 
         [FieldDefinition(8, Label = "Original Language", Type = FieldType.Select, SelectOptions = typeof(TMDbLanguageCodes), HelpText = "Filter by Language")]
-        public int LanguageCode { get; set; }
+        public int? LanguageCode { get; set; }
     }
 }