gistfile1.rb

<h1>Add New Company</h1>

 <%= form_for(@company) do |f| %>
 <%= f.label :name %>
 <%= f.text_field :name %>
 <%= f.label :address %>
 <%= f.text_field :address %>

<%= f.nested_fields_for :phone_numbers do |f|
      render 'phone', f: f
 end %> 
 

 <%= f.label :email %>
 <%= f.text_field :email %>
 <%= f.label :background %>
 <%= f.text_area :background %>


 <%= f.submit "Add Company", class: "btn btn-large btn-primary" %>
 <% end %>


class CompaniesController < ApplicationController
  def index
    @companies = Company.all
  end

  def new
    @company = Company.new
    @company.phone_numbers.build
  end

  def show
    @company = Company.find(params[:id])
  end

  def create
    @company = Company.create(params[:company])
    if @company.save
      redirect_to "/companies"
    else 
      render 'new'
    end
  end

  def edit
  end
end

# == Schema Information
#
# Table name: companies
#
#  id         :integer          not null, primary key
#  name       :text
#  email      :text
#  address    :text
#  background :text
#  logo       :text
#  created_at :datetime         not null
#  updated_at :datetime         not null
#  user_id    :integer
#

class Company < ActiveRecord::Base
  attr_accessible :address, :background, :email, :logo, :name, :phone_numbers_attributes
  has_many :contacts
  has_many :deals
  has_many :tasks
  has_many :activities
  belongs_to :users
  has_many :phone_numbers
  accepts_nested_attributes_for :phone_numbers
end
# == Schema Information
#
# Table name: phone_numbers
#
#  id         :integer          not null, primary key
#  place      :string(255)
#  company_id :integer
#  contact_id :integer
#  created_at :datetime         not null
#  updated_at :datetime         not null
#

class PhoneNumber < ActiveRecord::Base
  attr_accessible :company_id, :contact_id, :place
  belongs_to :company_id
end

<fieldset class="item">
  <%= f.label :place %>
  <%= f.select :place, ['Home', 'Work', 'Other']  %>

  <%= f.label :number %>
  <%= f.text_field :number, size: '20' %>

  <a href="#" class="remove" data-confirm="Are you sure?">remove</a>

  <%= f.hidden_field :id %>
  <%= f.hidden_field :_destroy %>
</fieldset>