Hello,
I wish I had the time to figure this out but I'm on a limited timeline
to convince people to look at RoR instead of Drupal, so I need to get
something relatively simple working fast. Any help or pointers would
be appreciated!
I have two HABTM many models, recipe_item and purchase_item. I need a
form to designate in my view that any number of purchase_items or
recipe_items can be a component of a given recipe_item. It looks like
Ryan Bates' screencast on nested model forms provides a lot of help on
a similar issue, but I'm having trouble picking apart the logic for my
issue. Regardless at the moment as a test I'm just trying to get a
single select on the recipe_item view to submit the purchase_item
association. When I submit I get this error:
PurchaseItem(#20112400) expected, got Array(#102050)
Here is my code:
Models:
class PurchaseItem < ActiveRecord::Base
has_and_belongs_to_many :recipe_items
end
class RecipeItem < ActiveRecord::Base
has_and_belongs_to_many :purchase_items
end
Controllers are left completely as generated by 2.3 Rails scaffolding.
New recipe_item View:
<h1>New recipe_item</h1>
<% form_for(@recipe_item) do |f| %>
<%= f.error_messages %>
<p>
<%= f.label :name %><br />
<%= f.text_field :name %>
</p>
<p>
<% f.fields_for :purchase_items do |n| %>
<%= n.label :purchase_item_id %>
<%= n.select :purchase_item_id,
PurchaseItem.all.collect {|a|
[a.name, a.id] }%>
<% end %>
</p>
<p>
<%= f.submit 'Create' %>
</p>
<% end %>
<%= link_to 'Back', recipe_items_path %>
I'm aware this can be DRYed up but like I said right now I just need
to demonstrate something working for my team. Any help would be
appreciated!
Thanks,
Andy
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