supplier improvements

app/controllers/suppliers/tables_controller.rb

@@ -4,6 +4,7 @@ module Suppliers
     # GET /tables.json
     def index
       @tables = Table.for_supplier(current_supplier, page: params[:page], per_page: params[:per_page] || 25, from_number: params[:from_number], to_number: params[:to_number])
+      @tables.include_relation(:section)
 
       respond_to do |format|
         format.html # index.html.erb
@@ -88,6 +89,7 @@ module Suppliers
 
     def qr_codes
       @tables = current_supplier.tables
+      @tables.select!{|t| t.section_id == params[:section_id]} if params[:section_id].present?
       render layout: 'qr_sheet'
     end
   end