another tiny change in pdf

app/documents/group_order_invoice_pdf.rb

@@ -187,9 +187,11 @@ class GroupOrderInvoicePdf < RenderPdf
     index = 0 
     supplier_headlines = []
     group_order_articles.group_by { |goa| goa.group_order.order.supplier.name }.each do |supplier_name, articles|
+      if articles.map(&:result).sum > 0
         data << [supplier_name, "", "", "", "", ""]
         index += 1
         supplier_headlines << index
+      end
       
       articles.each do |goa|
         next if goa.result.to_i == 0

app/models/ordergroup_invoice.rb

@@ -28,7 +28,7 @@ class OrdergroupInvoice < ApplicationRecord
     #how to define one order?
     
     invoice_data[:pickup] = order.pickup
-    invoice_data[:supplier] = order.supplier&.name
+    invoice_data[:supplier] = FoodsoftConfig[:name]
     invoice_data[:ordergroup] = group_orders.first.ordergroup
     invoice_data[:group_order_ids] = group_orders.pluck(:id)
     invoice_data[:invoice_number] = invoice_number