Fixed: Validation for Movie Info language

frontend/src/Settings/UI/UISettings.js

@@ -241,6 +241,13 @@ class UISettings extends Component {
                       helpTextWarning={translate('MovieInfoLanguageHelpTextWarning')}
                       onChange={onInputChange}
                       {...settings.movieInfoLanguage}
+                      errors={
+                        languages.some((language) => language.key === settings.movieInfoLanguage.value) ?
+                          settings.movieInfoLanguage.errors :
+                          [
+                            ...settings.movieInfoLanguage.errors,
+                            { message: translate('InvalidMovieInfoLanguageLanguage') }
+                          ]}
                     />
                   </FormGroup>
 

frontend/src/typings/UiSettings.ts

@@ -5,4 +5,6 @@ export interface UiSettings {
   longDateFormat: string;
   timeFormat: string;
   movieRuntimeFormat: string;
+  movieInfoLanguage: number;
+  uiLanguage: number;
 }

src/NzbDrone.Core/Languages/Language.cs

@@ -177,6 +177,8 @@ namespace NzbDrone.Core.Languages
             }
         }
 
+        private static readonly Dictionary<int, Language> Lookup = All.ToDictionary(v => v.Id);
+
         public static Language FindById(int id)
         {
             if (id == 0)
@@ -184,9 +186,7 @@ namespace NzbDrone.Core.Languages
                 return Unknown;
             }
 
-            var language = All.FirstOrDefault(v => v.Id == id);
-
-            if (language == null)
+            if (!Lookup.TryGetValue(id, out var language))
             {
                 throw new ArgumentException("ID does not match a known language", nameof(id));
             }

src/NzbDrone.Core/Localization/Core/en.json

@@ -797,6 +797,7 @@
   "InteractiveSearchResultsFailedErrorMessage": "Search failed because its {message}. Try refreshing the movie info and verify the necessary information is present before searching again.",
   "Interval": "Interval",
   "InvalidFormat": "Invalid Format",
+  "InvalidMovieInfoLanguageLanguage": "Your Movie Info Language is set to an invalid value, correct it and save your settings",
   "InvalidUILanguage": "Your UI is set to an invalid language, correct it and save your settings",
   "KeepAndUnmonitorMovie": "Keep and Unmonitor Movie",
   "KeyboardShortcuts": "Keyboard Shortcuts",

src/Radarr.Api.V3/Config/UiConfigController.cs

@@ -19,17 +19,21 @@ namespace Radarr.Api.V3.Config
         {
             _configFileProvider = configFileProvider;
 
-            SharedValidator.RuleFor(c => c.UILanguage).Custom((value, context) =>
-            {
-                if (!Language.All.Any(o => o.Id == value))
-                {
-                    context.AddFailure("Invalid UI Language ID");
-                }
-            });
+            SharedValidator.RuleFor(c => c.MovieInfoLanguage)
+                .GreaterThanOrEqualTo(1)
+                .WithMessage("The Movie Info Language value cannot be less than 1");
+
+            SharedValidator.RuleFor(c => c.MovieInfoLanguage)
+                .Must(value => Language.All.Any(o => o.Id == value))
+                .WithMessage("Invalid Movie Info Language ID");
 
             SharedValidator.RuleFor(c => c.UILanguage)
                 .GreaterThanOrEqualTo(1)
                 .WithMessage("The UI Language value cannot be less than 1");
+
+            SharedValidator.RuleFor(c => c.UILanguage)
+                .Must(value => Language.All.Any(o => o.Id == value))
+                .WithMessage("Invalid UI Language ID");
         }
 
         [RestPutById]