Using MoIP integration

projects_controller.rb

  def pay
    backer = Backer.find params[:backer_id]
    current_user.update_attributes params[:user]
    current_user.reload
    payer = {
      :nome => current_user.full_name,
      :email => current_user.email,
      :logradouro => current_user.address_street,
      :numero => current_user.address_number,
      :complemento => current_user.address_complement,
      :bairro => current_user.address_neighbourhood,
      :cidade => current_user.address_city,
      :estado => current_user.address_state,
      :pais => "BRA",
      :cep => current_user.address_zip_code,
      :tel_fixo => current_user.phone_number
    }
    payment = {
      :valor => "%0.0f" % (backer.value),
      :id_proprio => backer.key,
      :razao => "Apoio para o projeto '#{backer.project.name}'",
      :forma => "BoletoBancario",
      :dias_expiracao => 2,
      :pagador => payer,
      :url_retorno => thank_you_url
    }
    response = MoIP::Client.checkout(payment)
    redirect_to MoIP::Client.moip_page(response["Token"])
  end

  def moip
    key = params[:id_transacao]
    status = params[:status_pagamento]
    value = params[:valor]
    backer = Backer.find_by_key key
    return render :nothing => true, :status => 200 if status != '1'
    return render :nothing => true, :status => 200 if backer.confirmed
    return render :nothing => true, :status => 422 if backer.moip_value != value
    backer.confirm!
    return render :nothing => true, :status => 200
  rescue => e
    return render :nothing => true, :status => 422
  end