Packing Report: Adds new subreport "Pack by product"

config/locales/en.yml

@@ -1272,6 +1272,7 @@ en:
       tax_rates: Tax Rates
       pack_by_customer: Pack By Customer
       pack_by_supplier: Pack By Supplier
+      pack_by_product: Pack By Product
       orders_and_distributors:
         name: Orders And Distributors
         description: Orders with distributor details

lib/reporting/reports/list.rb

@@ -76,7 +76,8 @@ module Reporting
       def packing_report_types
         [
           [i18n_translate("pack_by_customer"), :customer],
-          [i18n_translate("pack_by_supplier"), :supplier]
+          [i18n_translate("pack_by_supplier"), :supplier],
+          [i18n_translate("pack_by_product"), :product]
         ]
       end
 

lib/reporting/reports/packing/product.rb

@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+module Reporting
+  module Reports
+    module Packing
+      class Product < Base
+        def columns
+          # Reorder default columns
+          super.slice(:hub, :supplier, :product, :variant,
+                      :customer_code, :last_name, :first_name, :phone,
+                      :quantity, :price, :temp_controlled)
+        end
+
+        def rules
+          [
+            {
+              group_by: :hub,
+              header: true,
+              header_class: "h1 with-background text-center",
+            },
+            {
+              group_by: :supplier,
+              header: true,
+              header_class: "h1",
+            },
+            {
+              group_by: proc { |_item, row| "#{row.product} - #{row.variant}" },
+              header: true,
+              fields_used_in_header: [:product, :variant],
+              summary_row: summary_row,
+              header_class: "h3",
+            }
+          ]
+        end
+
+        def ordering_fields
+          lambda do
+            [
+              distributor_alias[:name],
+              Arel.sql("supplier"),
+              Arel.sql("product"),
+              Arel.sql("variant"),
+              bill_address_alias[:lastname],
+              order_table[:id],
+            ]
+          end
+        end
+      end
+    end
+  end
+end