public static void Bind(Container container)
{
//inject IPrincipal
// container.Register(() =>
// {
// if (HttpContext.Current == null || HttpContext.Current.User == null)
// return (null as IPrincipal);
//
// return HttpContext.Current.User;
// });
//refer to assemblies containing handlers
container.RegisterManyForOpenGeneric(typeof (IQueryHandler<,>), new[]
{
typeof (CreateContactCommand).Assembly
});
container.RegisterManyForOpenGeneric(typeof (ICommandHandler<>), new[]
{
typeof (CreateContactCommand).Assembly
});
//register repository implementations (you would do this by convention normally)
container.RegisterWebApiRequest<ICreateAContact, ContactCreator>();
container.RegisterWebApiRequest<IReadOnlyRepository>(() =>
{
//you may wish to get this from the container, but it could be in scope with a consumer that writes
var context = new ContactAppEntities();
context.Configuration.AutoDetectChangesEnabled = false;
return new ReadOnlyRepository(context);
});
container.RegisterWebApiRequest<ContactAppEntities>();
container.RegisterWebApiRequest<EfUnitOfWork>();
container.Register<DbContext>(container.GetInstance<ContactAppEntities>);
container.Register<IUnitOfWork>(container.GetInstance<EfUnitOfWork>);
container.RegisterDecorator(typeof (ICommandHandler<>),
typeof (EfUnitOfWorkTransactionCommandHandlerDecorator<>));
container.RegisterDecorator(typeof (ICommandHandler<>), typeof (PostCommitCommandHandlerDecorator<>));
container.RegisterWebApiRequest<PostCommitRegistrar>();
container.Register<IPostCommitRegistrar>(container.GetInstance<PostCommitRegistrar>);
//TODO auditing should log via a bus or separate asynchronous repository, not to a logger
bool traceEnabled;
bool.TryParse(ConfigurationManager.AppSettings["Audit:Enabled"], out traceEnabled);
if (traceEnabled)
{
container.RegisterDecorator(typeof (ICommandHandler<>), typeof (CommandAuditor<>));
container.RegisterDecorator(typeof (IQueryHandler<,>), typeof (QueryAuditor<,>));
}
//TODO no need, this is config based
// else
// {
// container.RegisterSingle<ILog, NullLogger>();
// }
container.RegisterDecorator(typeof (IQueryHandler<,>), typeof (CacheablePerUserQueryHandler<,>));
container.RegisterDecorator(typeof (ICommandHandler<>), typeof (CommandValidator<>));
container.RegisterDecorator(typeof (IQueryHandler<,>), typeof (QueryValidator<,>));
container.RegisterWebApiRequest<IMediator, WebApiMediator>();
/* we are using data annotations for validation, so we must inform simple injector
* to use this container when IServiceProvider is requested for validation */
container.RegisterWebApiRequest<IServiceProvider>(() => container);
}
public ContactCreator(ContactAppEntities context)
{
_context = context;
}