Get rid of EPiServer Commerce Migrate redirect loop

Phew! Take 2 hours to get rids of the infinitive loop from EPiServer ECommerce after upgrade from 9.2 to 12.17!

You can Google search with: episerver commerce migration loop

Then some guys below appear:

1. https://world.episerver.com/forum/developer-forum/Episerver-Commerce/Thread-Container/2019/5/passing-thru-episervercommercemigrate-when-created-new-site-in-azure/

2. https://world.episerver.com/forum/developer-forum/Episerver-Commerce/Thread-Container/2016/10/too-many-redirects-error-in-the-browser-after-package-update/

Some good instructions but does not work for my case: MigrateRedirect -> <RequireLogin> -> Owin -> MigrateRedirect -> <RequireLogin> -> ...

You can see more in those class:

+  EPiServer.Commerce.Internal.Migration.MigrationInitializationModule

+  EPiServer.Commerce.Internal.Migration.MigrationManager

...

Okay, so how can we resolve this? Some angeles below will help:

1.  // EPiServer.Commerce.Internal.Migration.MigrationManager

public virtual void MigrateAsync()

2. IoC with StructureMap and Interceptors holy light

[InitializableModule]
[ModuleDependency(typeof(EPiServer.Commerce.Initialization.InitializationModule))]
[ModuleDependency(typeof(CmsCoreInitialization))]
internal class ContainerInitialization : IConfigurableModule, IInitializableModule

and

public void ConfigureContainer(ServiceConfigurationContext context)
{
    ...
    context.ConfigurationComplete += (o, e) =>
            {
                e.Services.Intercept<MigrationManager>((locator, defaultMigrationManager) =>
                    new MigrationManagerInterceptor(defaultMigrationManager
                            , locator.GetInstance<MigrationStore>()
                            , locator.GetInstance<MigrateActionUrlResolver>()));
            };
}

and last one:

public class MigrationManagerInterceptor : MigrationManager
    {
        private MigrationManager _defaultMigrationManager;

        public MigrationManagerInterceptor(
            MigrationManager defaultMigrationManager
            , MigrationStore migrationStore
            , MigrateActionUrlResolver migrateActionUrlResolver)
            : base(migrationStore, migrateActionUrlResolver)
        {
            _defaultMigrationManager = defaultMigrationManager;
        }

        public override void RedirectToMigrationView()
        {
            MigrateAsync();
            return;
        }
    }

Good bye redirect loop! Cheer!

// Ha Bui