Rails - Jan 2009 - HABTM and Check Boxes (Yet Another thread on this)....

Hi there,

it''s an afternoon that i''m destroying my head on this, and
i''ve decided
to ask to you all .

I''ve got to do some check box lists for a modified substruct version
i''m
doing, right now, i''m interested to insert a list of categories of
interests into a customer sheet

i''m using the substruct plugin version, wich stays in the plugin/vendor
version.
the category.rb stays in the myapp/app/models , while the order_user.rb
stays in myapp/vendor/plugins/substruct/app/models .

this is my models

class Category < ActiveRecord::Base
  has_and_belongs_to_many :order_users
end

class OrderUser < ActiveRecord::Base
  include CheckboxSelectable
  has_and_belongs_to_many :categories
  #many other things down below
end

this are my controller

  def updateCust
       @customer = OrderUser.find(params[:id])
       @customer.update_attributes(params[:customer])
       @customer.update_check_list(params, ''Category'')

        if @customer.save
        flash[:notice] = ''Customer was successfully updated.''
        redirect_to :action => ''customers''
          else
            flash[:notice] = ''Something went wrong,please review your
data''
            redirect_to :action => ''customers''
        end
  end

and the view

 <%= checkbox_select(''customer'',
''categories'', @categories, ''name'') %>


As you can see, i''m using the Checkbox select rails plugin (
http://scoop.cheerfactory.co.uk/2007/11/05/checkbox-select-rails-plugin/
).
I''ve already tried the version in the railscast
(http://railscasts.com/episodes/17) but in both cases, the first time i
try to load the page, i get this error:

substruct_development.categories_order_users'' doesn''t exist:
SELECT
`categories`.id FROM `categories`  INNER JOIN `categories_order_users`
ON `categories`.id = `categories_order_users`.category_id

, so i reload and all goes fine!ad the boxes too, they appears!

but if i try to check a box and then to save a record, i get this error:

ActiveRecord::AssociationTypeMismatch in
Admin/usersController#updateCust

Category(#18224400) expected, got Category(#18557480)

or something similar, only numbers change!

Now, AssociationTypeMismatch is when you want to cope wrong types of
data together, but this is not the case :(

what i''ve to do? please help me!
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no one can help me?

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Enzo Rivello wrote:
> no one can help me?
What does your categories_order_users migration look like?
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On 15 Jan 2009, at 18:10, Enzo Rivello wrote:
>
>
> but if i try to check a box and then to save a record, i get this  
> error:
>
> ActiveRecord::AssociationTypeMismatch in
> Admin/usersController#updateCust
>
> Category(#18224400) expected, got Category(#18557480)
>
> or something similar, only numbers change!
>
> Now, AssociationTypeMismatch is when you want to cope wrong types of
> data together, but this is not the case :(
>
That sounds to me like an automatic code reloading problem: the plugin  
isn''t reloaded but your application''s models are:
if the problem doesn''t exist in production mode then that is the most  
likely cause

Fred
> what i''ve to do? please help me!
> -- 
> Posted via http://www.ruby-forum.com/.
>
> >

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problem fixed.

i just forgot to put the join table ._.

i feelin more noob than ever :P, but i learned something new! ;-)

Thanks everyone for the suggestions!

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