[Core] Nested page structure should update it's children

[boazpoolman]

Feature request

Summary

In Webtools you are able to create an nested page structure. That way you can have two pages of which the URL of the child is dependent on the URL of the parent. Like so:

1. /parent-page
2. /parent-page/child-page

At this moment, there is an issue. When you change the parent page URL, the child page URL is not updated accordingly. This feature request is created to find a proper solution for this issue. I've marked it a feature request as it's a new functionality we're introducing in Webtools.

Why is it needed?

To allow for a consistent nested page structure.

Suggested solution(s)

Apply all the changes at once, using a database transaction, preferably on a child process to offload the main thread.

Related issue(s)/PR(s)

The suggested solution would also be applicable to the bulk generation feature. If you have a lot of URL's it can also crash the Strapi application. For that we also need to offload the main thread for the heavy lifting.

[JensUweB]

In Webtools you are able to create an nested page structure.

How? I couldn't find anything in the docs about this.

[boazpoolman]

@JensUweB we will update the docs about this matter.

In a nutshell, you have to provide the relation yourself. So in your page collection you would have for example a relation field called parent. Then you can use that relation in your URL pattern to create the nested URL structure.

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