codeconsole opened a new pull request, #16273:
URL: https://github.com/apache/grails-core/pull/16273
An application whose controllers all follow the RESTful resource conventions
has to declare a `resources` mapping per controller, or hand-write the eight
equivalent method-prefixed mappings. The first grows the mapping table with the
controller count; the second copies a framework convention into application
code, where it drifts when the convention changes.
Passing `*` as the `resources` argument applies the conventions to every
controller:
```groovy
"/$controller"(resources: '*')
```
That generates the eight mappings once — not once per controller — and
resolves the controller from the URL when a request is matched:
```groovy
get "/$controller(.$format)?"(action: 'index')
post "/$controller(.$format)?"(action: 'save')
get "/$controller/create"(action: 'create')
get "/$controller/$id/edit"(action: 'edit')
get "/$controller/$id(.$format)?"(action: 'show')
put "/$controller/$id(.$format)?"(action: 'update')
patch "/$controller/$id(.$format)?"(action: 'patch')
delete "/$controller/$id(.$format)?"(action: 'delete')
```
`includes`, `excludes` and `group` prefixes compose as they do for a named
resource:
```groovy
group "/api/v1", {
"/$controller"(resources: '*', excludes: ['create', 'edit'])
}
```
The captured controller and action are validated as they are for any other
wildcard mapping, so a URI that does not correspond to a registered controller
and action does not match.
Limitations, both rejected when the mappings are evaluated rather than left
to produce mappings that cannot match:
- the URL must capture the controller, so `"/books"(resources: '*')` is an
error
- child resources cannot be nested within the mapping, since the parent
controller is not known until a request is matched
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