# File lib/chart-candy/builder.rb, line 29
  def self.get_step_from_interval(interval)
    days = (interval / (3600 * 24)).to_i.abs

    return case days
      when 0..5 then 'day'
      when 6..27 then 'week'
      when 28..88 then 'month'
      when 89..363 then 'quarter'
      else 'year'
    end
  end