fields_for doesn't appear to nest names?

[Eric Schwartz]

I am trying to build a simple CRUD application with merb 1.0.15 to
learn how to do things in merb. I have the following views:

----- edit.html.haml ------
.h1 edit existing vehicle

= form_for(@vehicle, :action => resource(@vehicle)) do
= partial :form
= submit "Confirm"

----- _form.html.haml -----
%h2 Maintenance Events
%ol#maintenance_events
= partial "maintenance_event", :with => @vehicle.maintenance_events

----- _maintenance_event.html.haml -----
%li
.event
= fields_for maintenance_event do
= text_field :description

I would expect o have text_fields generated with names like

vehicle[maintenance_events][][description]

if the event was not already in the db, or, if the event was
previously saved,

vehicle[maintenance_events][2][description]

(assuming the maintenance_event id is 2, of course).

Instead, I just see

maintenance_event[description]

I'm sure I'm probably doing something wrong here, since this is the
sort of thing that almost any complex web app using Merb would have
had to have encountered long ago, but I'm not at all sure what exactly
it is I'm missing. I have spent the past two hours or so googling all
over for 'merb form_for', 'merb form_for tutorial', 'merb form_for
example' and the like, and come up with nothing, so I hope you'll
forgive me asking such a basic question.

-=Eric

[Tony Mann]

fields_for is purely for having more than one model in the same form. It is not for nesting. For that, use snusu's nested attributes code (search the list archives for details) or do what I do and just roll your own helpers to specify the field names yourself. Not hard at all and very flexible.

..tony..

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