Never used simple_form, but I'd try it like this. Forgive me if the syntax
isn't quite right.
controller:
def show
@customer = Customer.find(params[:id])
@delivery = @customer.deliveries.build
3.times { @delivery.delivery_items.build }
@products = Product.all
@products_selected = []
Settings.default_delivery.products.each{|product| @products_selected
<< product.id_value}
form:
= simple_form_for @customer do |f|
= f.simple_fields_for :deliver do |deliveries_f|
= deliveries_f.input :notes
= f.simple_fields_for :delivery_items do |delivery_items_f|
= delivery_items_f.association :product, :multiple => false, :selected
=> @products_selected,
:input_html => { :title => "- Select product
-" }, :label => false
= delivery_items_f.input :quantity
Essentially, you're using the same technique of building the DeliveryItems
under the Delivery just as you built the Delivery under the Customer. With
this technique, you're limited to defining a fixed number of DeliveryItems
before the form is produced, but adding a dynamic element that would add
more rows if the user needs them should be trivial.
HTH
On Mon, Aug 1, 2011 at 10:41 AM, Mauro <[email protected]> wrote:
> On 1 August 2011 08:22, Chris Kottom <[email protected]> wrote:
>
> > Add an accepts_nested_attributes_for call to Delivery for
> :delivery_items.
>
> done
>
> > Add a quantity attribute to DeliveryItem
>
> already done
>
> > Change the form from a single select with a list of Products to a number
> of
> > rows, each with a single-item select for Product and a text field for
> > entering quantity.
>
> But DeliveryItem belongs_to :product so to add, say three products, I
> have to create three delivery_items submitting the form three times.
>
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