Rails nested form, how to save when selecting

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The User can create contacts and each contact can have many addresses.

In the first view the user create a contact with an address

In the second view, the user select the contact and the latest address used is loaded

The view

  <%= form_for @cart do |f| %>
   <%= render '/shared/msg_or_errors', :f=>@cart%>
   <%= f.select :delivery_type_id, DeliveryType.all.collect {|b| [b.name, b.id]}%>
   <%= f.fields_for :user_contact do |uc| %>
    <%= uc.text_field :first_name%>
    <%= uc.text_field :last_name%>
    <%= uc.country_select :country_id %>
    <%= uc.text_field :email%>
    <%= uc.fields_for :addresses do |uca| %>
        <%= uca.text_field :street1 %>
        <%= uca.country_select :country_id %>
    <%end%>
<% end %>

<%= f.text_field :msg%>
<%= f.submit "Send"%>

Based on that code how can I create a new address if it is new or just save the relation in case is not new?

asked 36 secs ago

Edgar Alfonzo Gonzalez Ortiz

3

Rails nested form, how to save when selecting