class DeliveriesController < ApplicationController

  before_filter :infer_dates, :only => [:deliveries, :returns]

  def deliveries
    @line_items = LineItem.deliveries_in_date_range(@start_date, @end_date)
  end

private

  def infer_dates
    @start_date = parse_date(params[:start_date])
    @end_date = parse_date(params[:end_date])
  end

 # OLD PARSE_DATE
  def parse_date(date_params=nil)
    date_params ? Date.new(date_params[:year].to_i, date_params[:month].to_i, date_params[:day].to_i) : Date.today
  end

 # NEW PARSE_DATE
  def parse_date(date_params=nil)
    begin
      date_params ? Date.new(date_params[:year].to_i, date_params[:month].to_i, date_params[:day].to_i) : Date.today
    rescue
      date_params[:day] = (date_params[:day].to_i - 1).to_s
      parse_date(date_params)
    end
  end

end