gistfile1.txt

class PdfExport
  @queue = :export_data
  require 'prawn'

  def self.perform(warehouse_id)
    Prawn::Document.generate("orders#{warehouse_id}.pdf",
                              :page_layout => :landscape) do
      orders = Spree::Order.all #TODO scope for unshipped orders
      @export_hash = {}

      orders.each do |order|
        order.line_items.each do |items|
          @export_hash[items.variant.sku] = {
            :name => items.variant.name,
            :date => "#{order.completed_at.to_formatted_s(:short) }", 
            :shipment => order.shipment.number,
            :warehouse => items.variant.warehouse_id
          }
        end
      end
      
      data = [["SKU", "Variant", "Date", "Shipment"]]
      #Creates table of variants
      #TODO make it look pretty :)
      @export_hash.map.select{ |key, value| value[:warehouse] == warehouse_id }.sort_by{ |key, value| key }.each do |sku, values|
        data += [ [ "#{sku}", "#{values[:name]}", "#{values[:date]}", "#{values[:shipment]}"] ]
      end

      table(data, :header => true, 
            :position => :center,   
            :cell_style => { :size => 10}, 
            :column_widths => [90, 200, 90, 100], 
            :row_colors => ["F0F0F0", "FFFFCC"])
    end
  end
end