Just in case anybody cares about the resolution of this, I'll answer
my own post.
In my StatusReport model, I added:
def person_attributes(params = {})
self.person = Person.find_or_initialize_by_name(params[:name])
end
Then I changed the XML to:
<status-report>
<completed type="boolean">true</completed>
<person-attributes>
<name>Scott</name>
</person-attributes>
</status-report>
This works much like accepts_nested_attributes_for.
On Oct 1, 6:44 pm, Scott Johnson <[email protected]> wrote:
> I have a controller that's creating model objects from XML input.
> Something like:
>
> <status-report>
> <completed type="boolean">true</completed>
> <person>
> <name>Scott</name>
> </person>
> </status-report>
>
> I have two models, StatusReport and Person.
>
> I want to create a new Person iff there is not already one with that
> name. Then, link that Person to this StatusReport.
>
> The built-in accept_nested_attributes_for doesn't work for me since it
> will always create a new Person unless I provide an id to an existing
> one.
>
> I have full control over the XML input. What I don't have is a good
> way for it to include the id of an existing Person.
>
> Right now I have a fat controller explicitly looking for a Person,
> then doing Person.create! if needed. I'm sure there's a better way.
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