I've also have this question posted on stackoverflow, and there's a little
bit more info there because of a reply I've got. If you want to take a look
into
it:
http://stackoverflow.com/questions/19340165/saving-to-two-different-models-accepts-nested-attributes-for-not-working/19369601?noredirect=1#comment28708707_19369601
Any more ideas on how I might solve this?
Segunda-feira, 14 de Outubro de 2013 10:28:12 UTC+1, Luis Bivar Ramos
escreveu:
>
> I'm having trouble with saving to two different models, from one form... I
> tried to follow rails casts #196 and looked at several other examples here
> at stackoverflow but I haven't figured out how to do this because my case
> is a little bit different...
>
> So, I have two models:
>
> class Patient < ActiveRecord::Base
> attr_accessible :date_of_birth, :patient_name
>
> has_many :samples
> end
>
> class Sample < ActiveRecord::Base
> attr_accessible :approved, :patientID, :result, :patient
>
> belongs_to :patient
> accepts_nested_attributes_for :patient
> end
>
> What I found on most of the examples I saw, including the railscasts, is
> to create a new sample inside the patient form, and the
> "accepts_nestes_attributes_for" is inside the "patient" model... But what I
> want to do is exactly the opposite, that is, creating a new patient inside
> the new sample form.
>
> Here're my views, I have a normal form for the sample and then a partial
> for the patient part:
>
> _form.html.erb
>
> <%= form_for(@sample) do |f| %>
> <% if @sample.errors.any? %>
> <div id="error_explanation">
> <h2><%= pluralize(@sample.errors.count, "error") %> prohibited this
> sample from being saved:</h2>
>
> <ul>
> <% @sample.errors.full_messages.each do |msg| %>
> <li><%= msg %></li>
> <% end %>
> </ul>
> </div>
> <% end %>
>
> <div class="field">
> <%= f.label :result %><br />
> <%= f.text_area :result %>
> </div>
> <div class="field">
> <%= f.label :approved %><br />
> <%= f.check_box :approved %>
> </div>
> <div><%= render 'patient' %></div>
> <div class="actions">
> <%= f.submit %>
> </div>
> <% end %>
>
> patient.html.erb
>
> <%= fields_for :patient do |p| %>
> <div class="field">
> <%= p.label :patient_name %><br />
> <%= p.text_field :patient_name %>
> </div>
> <div class="field">
> <%= p.label :date_of_birth %><br />
> <%= p.date_select :date_of_birth %>
> </div>
> <% end %>
>
> When I click the submit button everything seems to work, but nothing is
> saved into the patients table.
>
> Here's the log:
>
> Started POST "/samples" for 127.0.0.1 at 2013-10-12 23:32:03 +0100
> Processing by SamplesController#create as HTML
> Parameters: {"utf8"=>"✓",
> "authenticity_token"=>"13OKZ8DaGJ4zTb35q+ymSzx7r+Ipxou1u+XrR4jtyeI=",
> "sample"=>{"result"=>"teste 3", "approved"=>"0"},
> "patient"=>{"patient_name"=>"Joao", "date_of_birth(1i)"=>"2013",
> "date_of_birth(2i)"=>"10", "date_of_birth(3i)"=>"10"}, "commit"=>"Create
> Sample"}
> (0.1ms) begin transaction
> SQL (0.5ms) INSERT INTO "samples" ("approved", "created_at", "patientID",
> "result", "updated_at") VALUES (?, ?, ?, ?, ?) [["approved", false],
> ["created_at", Sat, 12 Oct 2013 22:32:03 UTC +00:00], ["patientID", nil],
> ["result", "teste 3"], ["updated_at", Sat, 12 Oct 2013 22:32:03 UTC +00:00]]
> (2.4ms) commit transaction
> Redirected to http://localhost:3000/samples/3
> Completed 302 Found in 6ms (ActiveRecord: 2.9ms)
>
> As you can see in the log, it's only saving to the sample table. Can I use
> accepts_nested_attributes_for this way? Is there a way to achieve what I
> want? Or should I try a different approach?
>
> After I solve this I will try to check first if the patient exists or not
> before committing and try to do as SAYT on the patient's name... but that's
> a future step!
>
> Thanks for your help
>
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