In previous recipe we talked about multiple catalogs with same “UriSegment” – which we had a working implementation for incoming URL, i.e. when a customer visit a product url, we know which catalog we should choose from. But we still need to cover the generation of outgoing URL. I.e. when we link a product (For example, from a campaign page), we need to generate an URL which take the “catalog-less” pattern into account.

We need to understand how the outgoing URL is built. The hierarchical router builds the URL by the RouteSegment of contents. However, we want to the urls appear to have same catalog, so the RouteSegment part for the catalogs must be the same, regardless of the true catalogs. Because all catalogs are on same level, their RouteSegment must be unique – and this is enforced from Framework level (which is understandable, otherwise, how can it know which content to choose).

We can’t also rely on name, which is required to be unique.

What can we do?

Well – we already have magic router which automatically figures out which catalog to use regardless of the RouteSegment for catalog, so we can just return some magic value.

The tricky part is to know which method to override. Luckily for us, Commerce provides us TryGetRouteSegment, which returns the RouteSegment of a content in a specific language.

The code is fairly simple, we try to load the catalog content, and if succeed, and return a fixed value – “products”, otherwise, we fallback to the default implementation.

We return something hard-coded here, but you can of course make that a configurable value. Just keep in mind that changing URLs will hurt your SEO and also make your customers confusing, so do it as little as possible. An alternative is to have a plugin to handle the “changed” URLs for you, so at least it will redirect your customers to the correct, working link.

The final part is to register our new router. This is almost as same as with our previous recipe to remove the catalog name from url – we just need to use our new class here.

And that would mean your outgoing URLs will respect the fixed catalog segment you wanted them to.

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