rabl_render2.rb

ENV['RAILS_ENV'] = 'production'

require File.expand_path('../../../config/environment', __FILE__)
require 'flamegraph'
require 'ruby-prof'

def helper_method(*args); end

include RablHelper
include PermissionHelper
include ApplicationHelper
include Api::DateTimeHelper
include Concerns::Api::HelperMethods
include TimesheetsHelper

include ActiveSupport::Benchmarkable

$current_user = User.find(553665)

@start_date = Time.zone.parse('04/15/2018').to_date
@end_date = Time.zone.parse('04/30/2018').to_date

def current_user
  $current_user
end


def location
  current_user.locations.last
end

def logger
  @logger ||= Logger.new(STDOUT)
end

@presenter = TimesheetPresenter.new(location, @start_date..@end_date, { filter_pending_jobs: true })
@template_name = 'detailed'

logger.level = 0
 Rails.logger.level = 0

template = 'timesheets/index'

ActiveRecord::Base.connection.enable_query_cache!

benchmark "measure #{template} rendering" do
  Flamegraph.generate(Rails.root.join("tmp/#{template.parameterize}.flamegraph.html")) do
    @presenter.preload!
    # result = RubyProf.profile do
    ap rabl_render(nil, template)
    # end

    # printer = RubyProf::GraphHtmlPrinter.new(result)
    # File.open(Rail.root.join("tmp/#{tempate.parameterize}.rubyprof.html"), 'w') do |file|
    #   printer.print(file)
    # end
  end
end