pool.new.html.erb

<div id="sondage-creation">
  <h2 class="title">Nouveau sondage</h2>
  <%# form_for(:project, @project, :url => {:controller => "projects",:action => "update"}) %>
  <%#= form_for([@event, @new_pool], :as => :poll , :url => {:controller => "pools", :action => "create"}, :validate => true) do |f| %>
  <%= nested_form_for([@event, @new_pool], :as => :pool ,
                      :url => {:controller => "pools", :action => "create"}, :validate => true) do |f| %>
      <%= f.hidden_field :type %>

      <%= f.error_messages %>

      <fieldset>
        <div class="left">
          <h3><%= f.label :name %></h3>
          <%= f.text_field :name %>
          <h3><%= t '.question' %></h3>
          <%= f.text_area :question %>
          <h3><%= t '.message' %></h3>
          <%= f.text_area :message %>
        </div>

        <div class="right">
          <h3>
            <%= t '.test_one_date' %>
            <%= f.radio_button :type, YesNoDatePool.to_s %>

          </h3>
          <ul id="simpleChoiceContainer">
            <li><%= f.date_select :date %></li>
            <!--<li><input name="" value="oui" type="text"></li>-->
            <!--<li><input name="" value="non" type="text"></li>-->
          </ul>
          <h3>
            <%= t '.test_multiple_date' %>
            <%= f.radio_button :type, MultipleDatePool.to_s %>
          </h3>
          <ul id="multipleChoiceContainer">
            <% f.fields_for :choices do |choice|  %>
                <li>
                  <%= choice.date_select :date %>
                  <%= choice.link_to_remove "[x] remove" %>
                </li>
            <% end %>
            <%= f.link_to_add "[+] ADD Date Choice", :choices %>
            <!--<li><input name="" type="text"></li>-->
            <!--<li><input name="" type="text"></li>-->
            <!--<li><input name="" type="text"></li>-->
            <!--<li><input name="" type="text"></li>-->
            <!--<li><input name="" type="text"></li>-->
          </ul>
        </div>

      </fieldset>

      <div class="submit">
        <%= f.submit t '.validate' %>
        <input value="Valider le sondage" type="submit"><br>
        <a href="" class="button"><span>Illustre ton songage</span></a>
      </div>


  <% end %>

</div>

poolscontroller.rb

class PoolsController < ApplicationController

  def index
    @event = Event.find params[:event_id]
    @pools = @event.pools
  end

  def new
    type = params[:type] if ["date", "text"].include?params[:type]
    @event = Event.find params[:event_id]

    #@new_pool = @event.pools.build(:user => current_user)
    @new_pool = MultipleDatePool.new


    if type == "date"
      @new_pool.type = YesNoDatePool.to_s
      #@new_pool.type = MultipleDatePool.to_s

      foo = 0
    else
    end


  end

  def create
    @event = Event.find params[:event_id]
    type = params[:pool][:type]

    if type == YesNoDatePool.to_s
      @new_pool = YesNoDatePool.create params[:pool]
    end
    if type == MultipleDatePool.to_s
      @new_pool = MultipleDatePool.create params[:pool]
    end

    @new_pool.event = @event
    @new_pool.user = current_user

    if @new_pool.save
      flash[:notice] = "Pool created"
      redirect_to event_pools_path @event
    else
      flash[:error] = "Pool not created"
      render :new
    end

  end
end