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Filament Nested Resources

Filament Nested Resources allows you to create nested resources of any depth. This is useful for resources which are too complex for relation manager, yet don't make sense as a standalone resource.

First public release is here.

Showcase

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Installation

You can install the package via composer:

Usage

Throughout the documentation I refer to root nested resource and child nested resources. The only difference is that the Root is the first resource in the relationship tree.

In the examples: ArtistResource > AlbumResource > SongResource

Artist would be the root resource, the other would be child resources.

Supported relationships

Currently we support one-to-many and polymoprhic one-to-many relationships only.

Demo Project

To better understand how nested resources work and to troubleshoot any issues you might encounter, we've created a demo laravel project: https://github.com/GuavaCZ/filament-nested-resources-demo

Quick start

In order to set up Nested Resources, you need to do these steps:

1. On the resources (root and all child resources) you want to nest, add the NestedResource trait. You will be required to implement the getAncestor method. For the root resource, return null, for all child resources implement it according to the documentation below.
2. On every page of the resources from the 1st step, add the NestedPage trait.
3. Create a RelationManager (Filament documentation) or a RelationPage (Filament documentation) to bind the Resources together. Add the NestedRelationManager trait to either of them.

Let's imagine the scenario from the Showcase screenshots, where we have this schema:

1. Artist Model.
2. Album Model (Belongs to Artist).
3. Song Model (Belongs to Album).

First we create ArtistResource:

Next, we create the AlbumResource:

In every page of our ArtistResource and AlbumResource, we add the NestedPage trait:

Now let`s create a new page which will be used to create child records. Let's create CreateArtistAlbum page inside ArtistResource/Pages:

Don`t forget to register the page in the getPages method.

And finally we create either the AlbumsRelationManager or if you prefer to use a Relation Page then create a ManageArtistAlbums page. We just need to add the NestedRelationManager trait here.

For RelationManager:

For RelationPage:

Optionally, we recommend deleting the index and create pages from your child NestedResources (in this case AlbumResource).

Customizing the breadcrumbs

Every resource can control their own part of the breadcrumb, which by default consists of an index breadcrumb and a detail breadcrumb.

The index breadcrumb typically redirects to the index page.

The detail breadcrumb typically redirects to the detail (edit or view) and by default, will display the route key (ID if not configured otherwise) of the record.

You can override the label via the getBreadcrumbRecordLabel method of a NestedResource:

Or you can override the resource`s breadcrumb part completely, by overriding the getBreadcrumbs method on the resource:

Contributing

Please see CONTRIBUTING for details.

Security Vulnerabilities

Please review our security policy on how to report security vulnerabilities.

Credits

• Lukas Frey
• All Contributors

License

The MIT License (MIT). Please see License File for more information.