_address.html.haml

%div{class: "col-sm-12 affiliation-addresses"}
  .col-xs-6.col-sm-6.col-md-6
    %div{:class => "form-group"}
      =f.label :category, :class => "control-label"
      =f.select(:category, [['Mail', 'mail'], ['Business', 'business']], {}, :class => "form-control")
      .small-field-error=field_validation_message(affiliation_address, :category)
  .col-xs-6.col-sm-6.col-md-6
    %div{:class => "form-group"}
      =f.label :cep, :class => "control-label"
      =f.text_field(:cep, :class => "form-control")
      .small-field-error=field_validation_message(affiliation_address, :cep)
  %row
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :address, :class => "control-label"
        =f.text_field(:address, :class => "form-control")
        .small-field-error=field_validation_message(affiliation_address, :address)
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :number, :class => "control-label"
        =f.text_field(:number, :class => "form-control")
        .small-field-error=field_validation_message(affiliation_address, :number)
  %row
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :complement, :class => "control-label"
        =f.text_field(:complement, :class => "form-control")
        .small-field-error=field_validation_message(affiliation_address, :complement)
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :neighborhood, :class => "control-label"
        =f.text_field(:neighborhood, :class => "form-control")
        .small-field-error=field_validation_message(affiliation_address, :neighborhood)
  %row
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :city, :class => "control-label"
        =f.text_field(:city, :class => "form-control")
        .small-field-error=field_validation_message(@affiliation_address, :city)
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :state, :class => "control-label"
        =f.text_field(:state, :class => "form-control")
        .small-field-error=field_validation_message(@affiliation_address, :state)
  %row
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :phone, :class => "control-label"
        =f.text_field(:phone, :class => "form-control")
        .small-field-error=field_validation_message(@affiliation_address, :phone)
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :fax, :class => "control-label"
        =f.text_field(:fax, :class => "form-control")
        .small-field-error=field_validation_message(@affiliation_address, :fax)
  %row
    .col-xs-6.col-sm-6.col-md-6
      %div{:class => "form-group"}
        =f.label :mobile, :class => "control-label"
        =f.text_field(:mobile, :class => "form-control")
        .small-field-error=field_validation_message(@affiliation_address, :mobile)
    .col-xs-6.col-sm-6.col-md-6
      =f.hidden_field(:id)
      =f.hidden_field :_destroy
      =link_to(fa_icon('trash-o', :style => 'margin:0'), "javascript:void(0);", :onclick => "remove_affiliation_form(this, 'affiliation-addresses')", :class => "btn btn-danger btn-sm", :style => 'margin-top: 25px;')

_company_addresses.html.haml

%div{class: "col-sm-3"}
  %h3 Endereços
  %span Cadastre os endereços disponíveis.
%div{class: "col-sm-3"}
%div{class: "col-sm-9 affiliation_addresses_list"}
  =f.fields_for :affiliation_addresses, @merchant.affiliation_addresses do |builder|
    =render partial: "merchants/address", locals: {f: builder, affiliation_address: builder.object}

merchant_registrations_controller.rb

class MerchantRegistrationsController < Devise::RegistrationsController
  prepend_before_filter :require_no_authentication, only: [:new, :create, :cancel]
  prepend_before_filter :authenticate_scope!, only: [:edit, :update, :destroy]

  layout 'merchant'

  # GET /resource/sign_up
  def new
    build_resource({})
    resource.affiliation_addresses.build
    resource.affiliation_owners.build
    resource.affiliation_bank_addresses.build
    respond_with resource
  end

  # POST /resource
  def create
    build_resource(sign_up_params)

    unless verify_recaptcha
      clean_up_passwords(resource)
      flash.delete :recaptcha_error
      flash.now[:error] = I18n.t('devise.failure.invalid_captcha')
      return render :new
    else
      flash.delete :recaptcha_error
    end

    resource.save
    yield resource if block_given?
    if resource.persisted?
      set_flash_message :notice, :signed_up if is_flashing_format?
      sign_up(resource_name, resource)
      respond_with resource, location: after_sign_up_path_for(resource)
    else
      clean_up_passwords resource
      respond_with resource
    end
  end

  # GET /resource/edit
  def edit
    render :edit
  end

  # PUT /resource
  # We need to use a copy of the resource because we don't want to change
  # the current user in place.
  def update
    self.resource = resource_class.to_adapter.get!(send(:"current_#{resource_name}").to_key)
    prev_unconfirmed_email = resource.unconfirmed_email if resource.respond_to?(:unconfirmed_email)

    resource_updated = update_resource(resource, account_update_params)
    yield resource if block_given?
    if resource_updated
      if is_flashing_format?
        flash_key = update_needs_confirmation?(resource, prev_unconfirmed_email) ?
          :update_needs_confirmation : :updated
        set_flash_message :notice, flash_key
      end
      sign_in resource_name, resource, bypass: true
      respond_with resource, location: after_update_path_for(resource)
    else
      clean_up_passwords resource
      respond_with resource
    end
  end


  # DELETE /resource
  def destroy
    resource.destroy
    Devise.sign_out_all_scopes ? sign_out : sign_out(resource_name)
    set_flash_message :notice, :destroyed if is_flashing_format?
    yield resource if block_given?
    respond_with_navigational(resource) { redirect_to after_sign_out_path_for(resource_name) }
  end

  # GET /resource/cancel
  # Forces the session data which is usually expired after sign
  # in to be expired now. This is useful if the user wants to
  # cancel oauth signing in/up in the middle of the process,
  # removing all OAuth session data.
  def cancel
    expire_data_after_sign_in!
    redirect_to new_registration_path(resource_name)
  end

  protected

  def update_needs_confirmation?(resource, previous)
    resource.respond_to?(:pending_reconfirmation?) &&
      resource.pending_reconfirmation? &&
      previous != resource.unconfirmed_email
  end

  # Check whether it's necessary to use the password
  def update_resource(resource, params)
      resource.update_without_password(params)
  end

  # Build a devise resource passing in the session. Useful to move
  # temporary session data to the newly created user.
  def build_resource(hash = nil)
    self.resource = resource_class.new_with_session(hash || {}, session)
  end

  # Signs in a user on sign up. You can overwrite this method in your own
  # RegistrationsController.
  def sign_up(resource_name, resource)
    sign_in(resource_name, resource)
  end

  # The path used after sign up. You need to overwrite this method
  # in your own RegistrationsController.
  def after_sign_up_path_for(resource)
    merchant_path(resource)
  end

  # The path used after sign up for inactive accounts. You need to overwrite
  # this method in your own RegistrationsController.
  def after_inactive_sign_up_path_for(_resource)
    respond_to?(:root_path) ? root_path : '/'
  end

  # The default url to be used after updating a resource. You need to overwrite
  # this method in your own RegistrationsController.
  def after_update_path_for(resource)
    merchant_path(resource)
  end

  # Authenticates the current scope and gets the current resource from the session.
  def authenticate_scope!
    send(:"authenticate_#{resource_name}!", force: true)
    self.resource = send(:"current_#{resource_name}")
  end

  def sign_up_params
    devise_parameter_sanitizer.sanitize(:sign_up)
  end

  def account_update_params
    devise_parameter_sanitizer.sanitize(:account_update)
  end
end