gistfile1.txt

class CreditsController < ApplicationController
  def new
    @current_account = signed_in_user.accounts.find(params[:account_id])
    @new_credit = Credit.new
    @new_credit.account_id = @current_account.id
  end

  def create    
    @current_account = signed_in_user.accounts.find(params[:account_id])
    @new_credit = @current_account.credits.build(params[:credit])    
    if @new_credit.save
      @current_account.update_attributes(balance: @current_account.balance += @new_credit.amount) 
      redirect_to account_path(@current_account)
    else
      render "new"
    end
  end

  def credit_report
    @current_account = signed_in_user.accounts.find(params[:account_id])
    @total_credits = @current_account.credits.sum("amount")
  end
end