/// <summary>
/// Add XLocalizer with DB support using customized entity models,
/// and use defined translation service type
/// </summary>
/// <typeparam name="TContext">DbContext</typeparam>
/// <typeparam name="TTranslator">Translation service</typeparam>
/// <typeparam name="TResource">Type of localization DbEntity</typeparam>
/// <param name="options">XLDbOptions</param>
/// <param name="builder"></param>
/// <returns></returns>
public static IMvcBuilder AddXDbLocalizer <TContext, TTranslator, TResource>(this IMvcBuilder builder, Action <XLocalizerOptions> options)
where TContext : DbContext
where TTranslator : ITranslator
where TResource : class, IXDbResource, new()
{
builder.Services.Configure <XLocalizerOptions>(options);
// ExpressMemoryCache for caching localized values
builder.Services.AddSingleton <ExpressMemoryCache>();
// Try add a default data exporter service, unless another service is defined in startup
builder.Services.TryAddSingleton <IDbResourceExporter, EFDbResourceExporter <TContext> >();
// Try add a default resx service.
// if another service has been registered this will be bypassed, and the other service will be in use.
builder.Services.TryAddSingleton <IDbResourceProvider, EFDbResourceProvider <TContext> >();
// Register IStringLocalizer for the default shared resource and translation type
// This is the default (shared) resource entity and translation
builder.Services.AddSingleton <IStringLocalizer, DbStringLocalizer <TResource> >();
builder.Services.AddSingleton <IStringLocalizerFactory, DbStringLocalizerFactory <TResource> >();
// Register IHtmlLocalizer for the default shared resource and translation type
// This is the default (shared) resource entity and translation
builder.Services.AddSingleton <IHtmlLocalizer, DbHtmlLocalizer <TResource> >();
builder.Services.AddSingleton <IHtmlLocalizerFactory, DbHtmlLocalizerFactory <TResource> >();
// Register generic IDbStringLocalizer for user defined resource and translation entities
// e.g. IDbStringLocalizer<ProductArea, ProductAreaTranslation>
// e.g. IDbStringLocalizer<UserArea, UserAreaTranslation>
builder.Services.AddTransient(typeof(IStringLocalizer <>), typeof(DbStringLocalizer <>));
builder.Services.AddTransient(typeof(IHtmlLocalizer <>), typeof(DbHtmlLocalizer <>));
// Express localizer factories for creating localizers with the default shared resource type
// Use .Create() method for creating localizers.
builder.Services.AddSingleton <IXStringLocalizerFactory, DbStringLocalizerFactory <TResource> >();
builder.Services.AddSingleton <IXHtmlLocalizerFactory, DbHtmlLocalizerFactory <TResource> >();
// Add custom providers for overriding default modelbinding and data annotations errors
builder.Services.AddSingleton <IConfigureOptions <MvcOptions>, ConfigureMvcOptions>();
// Add data annotations locailzation
builder.AddDataAnnotationsLocalization(ops =>
{
// This will look for localization resource of default type T (shared resource)
ops.DataAnnotationLocalizerProvider = (type, factory) => factory.Create(typeof(TResource));
});
// Configure route culture provide
return(builder.AddDbDataManagers <TContext>()
.AddIdentityErrorsLocalization()
.WithTranslationService <TTranslator>());
}