Invoice Transaction

InvoiceController.rb

class InvoicesController < ApplicationController

  def generate
    @accounts = Account.all
    @invoices = []

    @accounts.each do |a|
      inv = Invoice.generate_account_billing(a, params[:invoice])
      @invoices << inv
    end

    Invoice.transaction do
      @invoices.each do |i|
        i.save
      end
      redirect_to invoices_url, notice: "Invoices have been successfully generated."
    end # End Transaction

  end
end