Nested Form Build

nestedform

class Organization < ActiveRecord::Base
  attr_accessible :name, :employee_number, :country, :postal_code, :sic_code, :primary_url, :social_entities_attributes, :social_channels_attributes
  has_one :user
	has_one :social_score, :through => :social_entities
  
  has_many :social_entities  
	has_many :social_channels, :through => :social_entities

	accepts_nested_attributes_for :social_entities, :social_channels
end

class SocialEntity < ActiveRecord::Base
  attr_accessible :name, :org_id, :social_channel_attributes
  
  has_many :social_channels
  has_many :social_scores
  
  belongs_to :organization

  accepts_nested_attributes_for :social_channels


class SocialChannel < ActiveRecord::Base
  attr_accessible :authorized, :channel_identifier, :channel_type, :name, :social_entity_id
  
  belongs_to :social_entities

end			

class OrganizationsController < ApplicationController
  def new
  	@organization = Organization.new
        @social_entities = @organization.social_entities.build
        @social_channels = @social_entities.social_channels.build

  end

  def create
  	@organization = Organization.new(params[:organization])
    current_user.org_id = @organization.id
      if @organization.save

    	flash[:notice] = "You have created a new organization"
        flash[:color]= "valid"
      else
        flash[:notice] = "Form is invalid"
        flash[:color]= "invalid"
      end
      redirect_to(:controller => 'sessions', :action => 'home')

  end
end


<%= form_for(:organization, :url => {:controller => 'organizations', :action => 'create'}) do |f| %>
			
			<label>Organization Name:</label> <%= f.text_field :name%>
			
				<%= f.fields_for :social_entities do |builder| %>
					<%= f.fields_for :social_channels do |builder| %>
					<%= builder.label :name, "Twitter" %><%= builder.text_field :name%>
					<% end %>
				<% end %>
			<br />
			<%= f.submit :create %>