Rails - Dec 2007 - episode 73 resulting in error: undefined method `stringify_keys!' for "33":String

I''m working with a similar model in Episode 73, (my scenario is
editing multiple pictures for a product using attachment_fu).

And I''m getting an error when I try the technique suggested:

./views/admin/_form.rhtml

<% for picture in product.pictures %>
        <% fields_for "product[picture_attributes][]", picture do |
picture_form| %>
        Title: <%= picture_form.text_field :title %>
<% end %>


./models/product.rb
    def picture_attributes=(picture_attributes)
        picture_attributes.each do |attributes|
            pictures.build(attributes)
        end
    end


undefined method `stringify_keys!'' for "33":String

Parameters: {"commit"=>"Edit",
"product"=>{"image_url"=>"shep.jpg",
"price"=>"400.00", "title"=>"German
Shepard Lab Mix #2b",
"category_ids"=>["6"],
"picture_attributes"=>{"33"=>{"title"=>"asdf2"},
"24"=>{"title"=>"asdf"},
"27"=>{"title"=>"asdf"},
"30"=>{"title"=>"asdf"}},
"description"=>"3 year old german shepard
lab mix. Test!"}, "id"=>"23",
"picture"=>{"uploaded_data"=>""}}


I noticed in the video, it shows the "picture_attributes" parameter as
an array (not a hash is it shows on mine).


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Hello,

Am Montag, 31. Dezember 2007 schrieb chovy:
> I''m working with a similar model in Episode 73, (my scenario is
> editing multiple pictures for a product using attachment_fu).
>
> And I''m getting an error when I try the technique suggested:
>
> ./views/admin/_form.rhtml
>
> <% for picture in product.pictures %>
>         <% fields_for "product[picture_attributes][]", picture
do |
> picture_form| %>
>         Title: <%= picture_form.text_field :title %>
> <% end %>
Try <%= picture_form.text_field :title, :index=> nil %>
as suggested in the episode.

Keep smiling
yanosz

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On Dec 31, 3:52 am, chovy
<ettin...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> I''m working with a similar model in Episode 73, (my scenario is
> editing multiple pictures for a product using attachment_fu).
>
> And I''m getting an error when I try the technique suggested:
>
> ./views/admin/_form.rhtml
>
> <% for picture in product.pictures %>
>         <% fields_for "product[picture_attributes][]", picture
do |
> picture_form| %>
>         Title: <%= picture_form.text_field :title %>
> <% end %>
>
> ./models/product.rb
>     def picture_attributes=(picture_attributes)
>         picture_attributes.each do |attributes|
>             pictures.build(attributes)
>         end
>     end
>
> undefined method `stringify_keys!'' for "33":String
>
> Parameters: {"commit"=>"Edit",
"product"=>{"image_url"=>"shep.jpg",
> "price"=>"400.00",
"title"=>"German Shepard Lab Mix #2b",
> "category_ids"=>["6"],
>
"picture_attributes"=>{"33"=>{"title"=>"asdf2"},
> "24"=>{"title"=>"asdf"},
"27"=>{"title"=>"asdf"},
> "30"=>{"title"=>"asdf"}},
"description"=>"3 year old german shepard
> lab mix. Test!"}, "id"=>"23",
"picture"=>{"uploaded_data"=>""}}
>
> I noticed in the video, it shows the "picture_attributes"
parameter as
> an array (not a hash is it shows on mine).

Nevermind, episode #75 had the solution :)
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