Custom languages.

src/Squidex.Infrastructure/Language.cs

@@ -16,7 +16,7 @@ namespace Squidex.Infrastructure
         private static readonly Regex CultureRegex = new Regex("^([a-z]{2})(\\-[a-z]{2})?$", RegexOptions.IgnoreCase);
         private static readonly Dictionary<string, Language> AllLanguagesField = new Dictionary<string, Language>(StringComparer.OrdinalIgnoreCase);
 
-        private static Language AddLanguage(string iso2Code, string englishName)
+        internal static Language AddLanguage(string iso2Code, string englishName)
         {
             return AllLanguagesField.GetOrAdd(iso2Code, englishName, (c, n) => new Language(c, n));
         }

src/Squidex.Infrastructure/LanguagesInitializer.cs

@@ -0,0 +1,39 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Options;
+using Squidex.Infrastructure.Tasks;
+
+namespace Squidex.Infrastructure
+{
+    public sealed class LanguagesInitializer : IInitializable
+    {
+        private readonly LanguagesOptions options;
+
+        public LanguagesInitializer(IOptions<LanguagesOptions> options)
+        {
+            Guard.NotNull(options, nameof(options));
+
+            this.options = options.Value;
+        }
+
+        public Task InitializeAsync(CancellationToken ct = default)
+        {
+            foreach (var kvp in options)
+            {
+                if (!string.IsNullOrWhiteSpace(kvp.Key) && !string.IsNullOrWhiteSpace(kvp.Value))
+                {
+                    Language.AddLanguage(kvp.Key, kvp.Value);
+                }
+            }
+
+            return TaskHelper.Done;
+        }
+    }
+}

src/Squidex.Infrastructure/LanguagesOptions.cs

@@ -0,0 +1,15 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Collections.Generic;
+
+namespace Squidex.Infrastructure
+{
+    public sealed class LanguagesOptions : Dictionary<string, string>
+    {
+    }
+}

src/Squidex/Config/Domain/InfrastructureServices.cs

@@ -16,6 +16,7 @@ using Squidex.Areas.Api.Controllers.News.Service;
 using Squidex.Domain.Apps.Entities.Apps.Diagnostics;
 using Squidex.Domain.Apps.Entities.Rules.UsageTracking;
 using Squidex.Domain.Users;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Caching;
 using Squidex.Infrastructure.Diagnostics;
 using Squidex.Infrastructure.EventSourcing.Grains;
@@ -57,6 +58,9 @@ namespace Squidex.Config.Domain
             services.AddSingletonAs<GrainBootstrap<IUsageTrackerGrain>>()
                 .AsSelf();
 
+            services.AddSingletonAs<LanguagesInitializer>()
+                .AsSelf();
+
             services.AddSingletonAs<DeepLTranslator>()
                 .As<ITranslator>();
 

src/Squidex/WebStartup.cs

@@ -29,6 +29,7 @@ using Squidex.Config.Startup;
 using Squidex.Config.Web;
 using Squidex.Domain.Apps.Entities.Assets;
 using Squidex.Domain.Apps.Entities.Contents;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Commands;
 using Squidex.Infrastructure.Diagnostics;
 using Squidex.Infrastructure.Translations;
@@ -81,6 +82,8 @@ namespace Squidex
                 config.GetSection("assets"));
             services.Configure<DeepLTranslatorOptions>(
                 config.GetSection("translations:deepL"));
+            services.Configure<LanguagesOptions>(
+                config.GetSection("languages"));
             services.Configure<ReadonlyOptions>(
                 config.GetSection("mode"));
             services.Configure<RobotsTxtOptions>(

src/Squidex/appsettings.json

@@ -32,6 +32,13 @@
     "strong": false
   },
 
+  "languages": {
+    /*
+     * Use custom langauges where the key is the language code and the value is the english name.
+     */
+    "custom": ""
+  },
+
   "ui": {
     /*
      * Regex suggestions for the UI

tests/Squidex.Infrastructure.Tests/LanguagesInitializerTests.cs

@@ -0,0 +1,61 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Threading.Tasks;
+using Microsoft.Extensions.Options;
+using Xunit;
+
+namespace Squidex.Infrastructure
+{
+    public sealed class LanguagesInitializerTests
+    {
+        [Fact]
+        public async Task Should_add_custom_languages()
+        {
+            var options = Options.Create(new LanguagesOptions
+            {
+                ["en-NO"] = "English (Norwegian)"
+            });
+
+            var sut = new LanguagesInitializer(options);
+
+            await sut.InitializeAsync();
+
+            Assert.Equal("English (Norwegian)", Language.GetLanguage("en-NO").EnglishName);
+        }
+
+        [Fact]
+        public async Task Should_not_add_invalid_languages()
+        {
+            var options = Options.Create(new LanguagesOptions
+            {
+                ["en-Error"] = null
+            });
+
+            var sut = new LanguagesInitializer(options);
+
+            await sut.InitializeAsync();
+
+            Assert.False(Language.TryGetLanguage("en-Error", out _));
+        }
+
+        [Fact]
+        public async Task Should_not_override_existing_languages()
+        {
+            var options = Options.Create(new LanguagesOptions
+            {
+                ["de"] = "German (Germany)"
+            });
+
+            var sut = new LanguagesInitializer(options);
+
+            await sut.InitializeAsync();
+
+            Assert.Equal("German", Language.GetLanguage("de").EnglishName);
+        }
+    }
+}