13007: only show business name when all customers have one

app/mailers/producer_mailer.rb

@@ -79,7 +79,11 @@ class ProducerMailer < ApplicationMailer
   def set_customer_data(line_items)
     return unless @coordinator.show_customer_names_to_suppliers?
 
+    @display_business_name = false
     line_items.map do |line_item|
+      customer_code = line_item.order.customer.code
+      @display_business_name = true if customer_code.present?
+
       {
         sku: line_item.variant.sku,
         supplier_name: line_item.variant.supplier.name,
@@ -87,7 +91,7 @@ class ProducerMailer < ApplicationMailer
         quantity: line_item.quantity,
         first_name: line_item.order.billing_address.first_name,
         last_name: line_item.order.billing_address.last_name,
-        business_name: line_item.order.customer.code,
+        business_name: customer_code,
       }
     end.sort_by { |line_item| [line_item[:last_name].downcase, line_item[:first_name].downcase] }
   end

app/views/producer_mailer/order_cycle_report.html.haml

@@ -81,8 +81,9 @@
           = t :first_name
         %th.text-right
           = t :last_name
-        %th.text-right
-          = t :business_name
+        - if @display_business_name
+          %th.text-right
+            = t :business_name
     %tbody
       - @customer_line_items.each do |line_item|
         %tr
@@ -99,8 +100,9 @@
             = line_item[:first_name]
           %td
             = line_item[:last_name]
-          %td
-            = line_item[:business_name]
+          - if @display_business_name
+            %td
+              = line_item[:business_name]
 %p
   = t :producer_mail_text_after
 %p