I''m assuming you''ve read these.
http://www.railsforum.com/viewtopic.php?id=1063
http://www.railsforum.com/viewtopic.php?id=1065
On Apr 8, 1:36 pm, Jeremy
<jeremy.b...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> I''ve browsed several articles and tutorials for days and cannot
figure
> out how to make this thing work the way I want it to. Basically
I''m
> building a listings manager.
>
> I want users to be able to create available details. For instance, if
> they''re doing listings for vehicles, they would create details for
> price, make, model, year, etc, and that is handled by my Details
> model. No problem.
>
> Then, when a user creates a listing, I want the view to show the usual
> stuff for the listing (name, description, etc), I have a category
> wired up and working fine, but then I want those Details to show up
> with text boxes next to them so that they can fill out the details for
> a particular item. I''ve created a ListingDetail model which
> has :listing_id, :detail_id, and :value in it.
>
> I cannot, after browsing all the tutorials out there, figure out how
> to do this. I''ll post the code I have below. It doesn''t
work right,
> but perhaps someone can help?
>
> # _form.html.erb: and again this probably is laid out right....
> <p>
> <b>Name</b><br />
> <%= f.text_field :name %>
> </p>
>
> <p>
> <b>Description</b><br />
> <%= f.text_area :description, :rows => 4 %>
> </p>
>
> <p>
> <b>Category</b><br />
> <%= f.collection_select(:category_id, @categories, :id, :name)
%>
> </p>
>
> <p>
> <b>Details</b><br />
> <% fields_for :listing_details do |d| %>
> <% @details.each do |detail| %>
> <p>
> <%= detail.name %>: <%=
d.text_field :value, :detail_id =>
> detail.id %>
> </p>
> <% end %>
> <% end %>
> </p>
>
> # listings_controller.rb which I have no idea what I''m supposed to
> have here in order to save them all...
>
> def create
> @listing = Listing.new(params[:listing])
> @listingdetail >
@listing.listing_details.build(params[:listing_details])
>
> respond_to do |format|
> if @listing.save
> flash[:notice] = ''Listing was successfully
created.''
> format.html { redirect_to(admin_listings_url) }
> format.xml { render :xml => @listing, :status
> => :created, :location => @listing }
> else
> format.html { render :action => "new" }
> format.xml { render :xml => @listing.errors, :status
> => :unprocessable_entity }
> end
> end
> end
>
> # listing_detail.rb
> class ListingDetail < ActiveRecord::Base
> belongs_to :listing
> end
>
> # listing.rb
> class Listing < ActiveRecord::Base
> belongs_to :category
> has_many :listing_details
> end
>
> # detail.rb
> class Detail < ActiveRecord::Base
> end
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