Fixed: Displaying audio and subtitle languages in UI

(cherry picked from commit 139412284276479921632ee5ef1dabe76c5388b4)

Rename LocalizationLanguageResource to avoid collision with LanguageResource

(cherry picked from commit d2cd3f77169887086980feac3bab1f16301d189e)

frontend/src/MovieFile/MediaInfo.js

@@ -1,6 +1,7 @@
 import _ from 'lodash';
 import PropTypes from 'prop-types';
 import React from 'react';
+import getLanguageName from 'Utilities/String/getLanguageName';
 import * as mediaInfoTypes from './mediaInfoTypes';
 
 function formatLanguages(languages) {
@@ -8,7 +9,7 @@ function formatLanguages(languages) {
     return null;
   }
 
-  const splitLanguages = _.uniq(languages.split(' / '));
+  const splitLanguages = _.uniq(languages.split('/')).map((l) => getLanguageName(l));
 
   if (splitLanguages.length > 3) {
     return (
@@ -39,18 +40,15 @@ function MediaInfo(props) {
     return (
       <span>
         {
-          !!audioCodec &&
-            audioCodec
+          audioCodec ? audioCodec : ''
         }
 
         {
-          !!audioCodec && !!audioChannels &&
-          ' - '
+          audioCodec && audioChannels ? ' - ' : ''
         }
 
         {
-          !!audioChannels &&
-          audioChannels.toFixed(1)
+          audioChannels ? audioChannels.toFixed(1) : ''
         }
       </span>
     );

frontend/src/Settings/UI/UISettingsConnector.js

@@ -4,30 +4,34 @@ import { connect } from 'react-redux';
 import { createSelector } from 'reselect';
 import { clearPendingChanges } from 'Store/Actions/baseActions';
 import { fetchUISettings, saveUISettings, setUISettingsValue } from 'Store/Actions/settingsActions';
+import createLanguagesSelector from 'Store/Selectors/createLanguagesSelector';
 import createSettingsSectionSelector from 'Store/Selectors/createSettingsSectionSelector';
 import UISettings from './UISettings';
 
 const SECTION = 'ui';
+const FILTER_LANGUAGES = ['Any', 'Unknown', 'Original'];
 
-function createLanguagesSelector() {
+function createFilteredLanguagesSelector() {
   return createSelector(
-    (state) => state.settings.languages,
+    createLanguagesSelector(),
     (languages) => {
-      const items = languages.items;
-      const filterItems = ['Any', 'Unknown'];
-
-      if (!items) {
+      if (!languages || !languages.items) {
         return [];
       }
 
-      const newItems = items.filter((lang) => !filterItems.includes(lang.name)).map((item) => {
-        return {
-          key: item.id,
-          value: item.name
-        };
-      });
+      const newItems = languages.items
+        .filter((lang) => !FILTER_LANGUAGES.includes(lang.name))
+        .map((item) => {
+          return {
+            key: item.id,
+            value: item.name
+          };
+        });
 
-      return newItems;
+      return {
+        ...languages,
+        items: newItems
+      };
     }
   );
 }
@@ -36,12 +40,15 @@ function createMapStateToProps() {
   return createSelector(
     (state) => state.settings.advancedSettings,
     createSettingsSectionSelector(SECTION),
-    createLanguagesSelector(),
+    createFilteredLanguagesSelector(),
     (advancedSettings, sectionSettings, languages) => {
       return {
         advancedSettings,
-        languages,
-        ...sectionSettings
+        languages: languages.items,
+        isLanguagesPopulated: languages.isPopulated,
+        ...sectionSettings,
+        isFetching: sectionSettings.isFetching || languages.isFetching,
+        error: sectionSettings.error || languages.error
       };
     }
   );

frontend/src/Utilities/String/getLanguageName.js

@@ -0,0 +1,27 @@
+import createAjaxRequest from 'Utilities/createAjaxRequest';
+
+function getTranslations() {
+  return createAjaxRequest({
+    global: false,
+    dataType: 'json',
+    url: '/localization/language'
+  }).request;
+}
+
+let languageNames = new Intl.DisplayNames(['en'], { type: 'language' });
+
+getTranslations().then((data) => {
+  const names = new Intl.DisplayNames([data.identifier], { type: 'language' });
+
+  if (names) {
+    languageNames = names;
+  }
+});
+
+export default function getLanguageName(code) {
+  if (!languageNames) {
+    return code;
+  }
+
+  return languageNames.of(code) ?? code;
+}

src/NzbDrone.Core/Localization/LocalizationService.cs

@@ -20,6 +20,7 @@ namespace NzbDrone.Core.Localization
         Dictionary<string, string> GetLocalizationDictionary();
         string GetLocalizedString(string phrase);
         string GetLocalizedString(string phrase, string language);
+        string GetLanguageIdentifier();
     }
 
     public class LocalizationService : ILocalizationService, IHandleAsync<ConfigSavedEvent>
@@ -45,14 +46,14 @@ namespace NzbDrone.Core.Localization
 
         public Dictionary<string, string> GetLocalizationDictionary()
         {
-            var language = GetSetLanguageFileName();
+            var language = GetLanguageFileName();
 
             return GetLocalizationDictionary(language);
         }
 
         public string GetLocalizedString(string phrase)
         {
-            var language = GetSetLanguageFileName();
+            var language = GetLanguageFileName();
 
             return GetLocalizedString(phrase, language);
         }
@@ -66,7 +67,7 @@ namespace NzbDrone.Core.Localization
 
             if (language.IsNullOrWhiteSpace())
             {
-                language = GetSetLanguageFileName();
+                language = GetLanguageFileName();
             }
 
             if (language == null)
@@ -84,19 +85,24 @@ namespace NzbDrone.Core.Localization
             return phrase;
         }
 
-        private string GetSetLanguageFileName()
+        public string GetLanguageIdentifier()
         {
             var isoLanguage = IsoLanguages.Get((Language)_configService.UILanguage);
             var language = isoLanguage.TwoLetterCode;
 
             if (isoLanguage.CountryCode.IsNotNullOrWhiteSpace())
             {
-                language = string.Format("{0}_{1}", language, isoLanguage.CountryCode);
+                language = $"{language}-{isoLanguage.CountryCode.ToUpperInvariant()}";
             }
 
             return language;
         }
 
+        private string GetLanguageFileName()
+        {
+            return GetLanguageIdentifier().Replace("-", "_").ToLowerInvariant();
+        }
+
         private Dictionary<string, string> GetLocalizationDictionary(string language)
         {
             if (string.IsNullOrEmpty(language))

src/NzbDrone.Core/Parser/IsoLanguage.cs

@@ -9,6 +9,7 @@ namespace NzbDrone.Core.Parser
         public string CountryCode { get; set; }
         public string EnglishName { get; set; }
         public Language Language { get; set; }
+        public string CountyCodeLower => CountryCode?.ToLower();
 
         public IsoLanguage(string twoLetterCode, string countryCode, string threeLetterCode, string englishName, Language language)
         {

src/Radarr.Api.V3/Localization/LocalizationController.cs

@@ -25,5 +25,17 @@ namespace Radarr.Api.V3.Localization
         {
             return JsonSerializer.Serialize(_localizationService.GetLocalizationDictionary().ToResource(), _serializerSettings);
         }
+
+        [HttpGet("language")]
+        [Produces("application/json")]
+        public LocalizationLanguageResource GetLanguage()
+        {
+            var identifier = _localizationService.GetLanguageIdentifier();
+
+            return new LocalizationLanguageResource
+            {
+                Identifier = identifier
+            };
+        }
     }
 }

src/Radarr.Api.V3/Localization/LocalizationLanguageResource.cs

@@ -0,0 +1,7 @@
+namespace Radarr.Api.V3.Localization
+{
+    public class LocalizationLanguageResource
+    {
+        public string Identifier { get; set; }
+    }
+}