Enabled database based localization.

Author: hikalkan

src/AbpCompanyName.AbpProjectName.EntityFramework/AbpCompanyName.AbpProjectName.EntityFramework.csproj

@@ -130,6 +130,7 @@
     </Compile>
     <Compile Include="Migrations\Configuration.cs" />
     <Compile Include="AbpProjectNameDataModule.cs" />
+    <Compile Include="Migrations\SeedData\DefaultLanguagesBuilder.cs" />
     <Compile Include="Migrations\SeedData\DefaultTenantRoleAndUserBuilder.cs" />
     <Compile Include="Migrations\SeedData\InitialDataBuilder.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />

src/AbpCompanyName.AbpProjectName.EntityFramework/Migrations/SeedData/DefaultLanguagesBuilder.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using System.Linq;
+using Abp.Localization;
+using AbpCompanyName.AbpProjectName.EntityFramework;
+
+namespace AbpCompanyName.AbpProjectName.Migrations.SeedData
+{
+    public class DefaultLanguagesBuilder
+    {
+        private readonly AbpProjectNameDbContext _context;
+        public static List<ApplicationLanguage> InitialLanguages { get; private set; }
+
+        static DefaultLanguagesBuilder()
+        {
+            InitialLanguages = new List<ApplicationLanguage>
+            {
+                new ApplicationLanguage(null, "en", "English", "famfamfam-flag-gb"),
+                new ApplicationLanguage(null, "tr", "Türkçe", "famfamfam-flag-tr"),
+                new ApplicationLanguage(null, "zh-CN", "简体中文", "famfamfam-flag-cn")
+            };
+        }
+
+        public DefaultLanguagesBuilder(AbpProjectNameDbContext context)
+        {
+            _context = context;
+        }
+
+        public void Build()
+        {
+            CreateLanguages();
+        }
+
+        private void CreateLanguages()
+        {
+            foreach (var language in InitialLanguages)
+            {
+                AddLanguageIfNotExists(language);
+            }
+        }
+
+        private void AddLanguageIfNotExists(ApplicationLanguage language)
+        {
+            if (_context.Languages.Any(l => l.TenantId == language.TenantId && l.Name == language.Name))
+            {
+                return;
+            }
+
+            _context.Languages.Add(language);
+
+            _context.SaveChanges();
+        }
+    }
+}

src/AbpCompanyName.AbpProjectName.EntityFramework/Migrations/SeedData/InitialDataBuilder.cs

@@ -14,6 +14,7 @@ public InitialDataBuilder(AbpProjectNameDbContext context)
         public void Build()
         {
             new DefaultTenantRoleAndUserBuilder(_context).Build();
+            new DefaultLanguagesBuilder(_context).Build();
         }
     }
 }

src/AbpCompanyName.AbpProjectName.WebSpaAngular/App_Start/AbpProjectNameWebModule.cs

@@ -1,13 +1,9 @@
 using System.Reflection;
-using System.Web;
-using System.Web.Http;
 using System.Web.Mvc;
 using System.Web.Optimization;
 using System.Web.Routing;
-using Abp.Localization;
-using Abp.Localization.Sources;
-using Abp.Localization.Sources.Xml;
 using Abp.Modules;
+using Abp.Zero.Configuration;
 using AbpCompanyName.AbpProjectName.Api;
 
 namespace AbpCompanyName.AbpProjectName.WebSpaAngular
@@ -17,10 +13,8 @@ public class AbpProjectNameWebModule : AbpModule
     {
         public override void PreInitialize()
         {
-            //Add/remove languages for your application
-            Configuration.Localization.Languages.Add(new LanguageInfo("en", "English", "famfamfam-flag-england", true));
-            Configuration.Localization.Languages.Add(new LanguageInfo("tr", "Türkçe", "famfamfam-flag-tr"));
-            Configuration.Localization.Languages.Add(new LanguageInfo("zh-CN", "简体中文", "famfamfam-flag-cn"));
+            //Enable database based localization
+            Configuration.Modules.Zero().LanguageManagement.EnableDbLocalization();
 
             //Configure navigation/menu
             Configuration.Navigation.Providers.Add<AbpProjectNameNavigationProvider>();