Fixed: Movie titles using default language after using movie editor

src/Radarr.Api.V3/Movies/MovieEditorController.cs

@@ -2,10 +2,13 @@ using System.Collections.Generic;
 using System.Linq;
 using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Configuration;
 using NzbDrone.Core.DecisionEngine.Specifications;
+using NzbDrone.Core.Languages;
 using NzbDrone.Core.Messaging.Commands;
 using NzbDrone.Core.Movies;
 using NzbDrone.Core.Movies.Commands;
+using NzbDrone.Core.Movies.Translations;
 using Radarr.Http;
 
 namespace Radarr.Api.V3.Movies
@@ -14,12 +17,20 @@ namespace Radarr.Api.V3.Movies
     public class MovieEditorController : Controller
     {
         private readonly IMovieService _movieService;
+        private readonly IMovieTranslationService _movieTranslationService;
+        private readonly IConfigService _configService;
         private readonly IManageCommandQueue _commandQueueManager;
         private readonly IUpgradableSpecification _upgradableSpecification;
 
-        public MovieEditorController(IMovieService movieService, IManageCommandQueue commandQueueManager, IUpgradableSpecification upgradableSpecification)
+        public MovieEditorController(IMovieService movieService,
+            IMovieTranslationService movieTranslationService,
+            IConfigService configService,
+            IManageCommandQueue commandQueueManager,
+            IUpgradableSpecification upgradableSpecification)
         {
             _movieService = movieService;
+            _movieTranslationService = movieTranslationService;
+            _configService = configService;
             _commandQueueManager = commandQueueManager;
             _upgradableSpecification = upgradableSpecification;
         }
@@ -86,7 +97,23 @@ namespace Radarr.Api.V3.Movies
                 });
             }
 
-            return Accepted(_movieService.UpdateMovie(moviesToUpdate, !resource.MoveFiles).ToResource(0, _upgradableSpecification));
+            var configLanguage = (Language)_configService.MovieInfoLanguage;
+            var availabilityDelay = _configService.AvailabilityDelay;
+
+            var translations = _movieTranslationService.GetAllTranslationsForLanguage(configLanguage);
+            var tdict = translations.ToDictionary(x => x.MovieMetadataId);
+
+            var updatedMovies = _movieService.UpdateMovie(moviesToUpdate, !resource.MoveFiles);
+
+            var moviesResources = new List<MovieResource>(updatedMovies.Count);
+
+            foreach (var movie in updatedMovies)
+            {
+                var translation = GetTranslationFromDict(tdict, movie.MovieMetadata, configLanguage);
+                moviesResources.Add(movie.ToResource(availabilityDelay, translation, _upgradableSpecification));
+            }
+
+            return Accepted(moviesResources);
         }
 
         [HttpDelete]
@@ -96,5 +123,28 @@ namespace Radarr.Api.V3.Movies
 
             return new { };
         }
+
+        private MovieTranslation GetTranslationFromDict(Dictionary<int, MovieTranslation> translations, MovieMetadata movie, Language configLanguage)
+        {
+            if (configLanguage == Language.Original)
+            {
+                return new MovieTranslation
+                {
+                    Title = movie.OriginalTitle,
+                    Overview = movie.Overview
+                };
+            }
+
+            if (!translations.TryGetValue(movie.Id, out var translation))
+            {
+                translation = new MovieTranslation
+                {
+                    Title = movie.Title,
+                    Language = Language.English
+                };
+            }
+
+            return translation;
+        }
     }
 }