On Tue, Aug 25, 2009 at 1:45 PM, Dhaval
Phansalkar<[email protected]> wrote:
>
> hi all,
>
> i have a has_many :through r'ship in my application. my tables are -
> users, apps(short form for applications), categorizations. i'm trying to
> create a user in new.rhtml where all apps are also shown in checkboxes
> for selection. on submit, user gets created but the join table i.e.
> categorizations table doesn't get updated. where am i going wrong?
> doesn't the join table gets updated automatically? or do i've to update
> it manually? if yes, how? Any help will be greatly appreciated. thanks
> in advance.
I beleive that you need to create the categorizations yourself
something like (this is untested):
> class UsersController < ApplicationController
> def new
> �...@user = User.new
> �...@apps = App.find(:all)
> end
>
> def create
> �...@user = User.new(params[:user])
params[:user][:app_ids].each do | app_id|
@user.categorizations << Category.new(:app_id => app_id)
end
> �[email protected]!
> redirect_to(:action => "new")
> flash[:notice] = "Thanks for signing up!"
> rescue ActiveRecord::RecordInvalid
> render :action => 'new'
> end
> end
HTH
--
Rick DeNatale
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