is there a way to check if the participant field is already created before creating it?
Is_A and Has_A relationships. Describe the relationship between the forms On 4 April 2012 14:42, Linus Pettersson <[email protected]> wrote: > Hi! > > I have created a nested form and now I want to make it dynamic. I have two > models, "Applications" and "Participants". Each application may have > several participants, but at least one which is the contact person. An > issue that I have is that when the form is not validated it renders the > participants fields twice. > > - How can I avoid that? > > # Applications/new.html.erb > <div class="row span8 offset2 form-wrapper"> > <h1>Ny anmälan</h1> > > <%= semantic_form_for @application, :html => { :class => "form-horizontal" > } do |f| %> > <%= f.semantic_errors %> > <%= f.inputs do %> > <%= f.inputs :for => :participants, :name => "Kontaktperson", :class => > "participants_form well" do |p| %> > <%= p.input :name, :label => "Namn", :required => true %> > <%= p.input :address, :label => "Adress", :required => true %> > <%= p.input :phone, :label => "Mobiltelefon", :required => true %> > <%= p.input :email, :label => "Epostadress", :as => :email, :required => > true %> > <%= p.input :age, :label => "Ålder" %> > <%= p.input :has_something, :label => "Ja..." %> > <%= p.input :special_food, :label => "Annan specialkost" %> > <%= p.input :is_contact, :as => :hidden, :value => true %> > <% end %> > > <%= f.inputs :class => "participants_fields" do %> > <%= render "participant_form", :f => f %> > <% end %> > <%= link_to "<i class=\"icon-plus-sign\"> </i> Lägg till fler > deltagare...".html_safe, "#", :class => "btn pull-right" %> > > <%= f.inputs :name => "Övrig information" do %> > <%= f.input :extra_information, :input_html => { :class => "span4", :rows > => 3 } %> > <%= f.input :membership_paid, :label => "JA" %> > <% end %> > <% end %> > > <%= f.buttons do %> > <%= f.submit :value => "Skicka anmälan", :class => "btn btn-primary > btn-large commit create" %> > <% end %> > <% end %> > </div> > > # Applications Controller > def new > @application = Application.new > @application.participants.build > respond_to do |format| > format.html > format.js { render :nothing } > end > end > > def create > @application = Application.new(params[:application]) > > if @application.save > flash[:notice] = "Din anmälan har skickats!" > redirect_to root_path > else > flash[:error] = "Det gick inte att spara din anmälan" > render :action => "new" > end > end > > > I guess that my participants gets built again when it renders the new > action in the "create" method. But how can I avoid that? > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/rubyonrails-talk/-/ihqbWCmIL0YJ. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
