Merge pull request #9575 from apricot12/9487-Dimensions-Packing-Reports

Added HEIGHT, WEIGHT, WIDTH, DEPTH columns to packing reports by customer.

app/models/spree/line_item.rb

@@ -28,6 +28,7 @@ module Spree
     before_validation :adjust_quantity
     before_validation :copy_price
     before_validation :copy_tax_category
+    before_validation :copy_dimensions
 
     validates :variant, presence: true
     validates :quantity, numericality: {
@@ -122,6 +123,15 @@ module Spree
       self.tax_category = variant.product.tax_category
     end
 
+    def copy_dimensions
+      return unless variant
+
+      self.weight ||= computed_weight_from_variant
+      self.height ||= variant.height
+      self.width ||= variant.width
+      self.depth ||= variant.depth
+    end
+
     def amount
       price * quantity
     end
@@ -226,6 +236,14 @@ module Spree
 
     private
 
+    def computed_weight_from_variant
+      if variant.product.variant_unit == "weight"
+        variant.unit_value / variant.product.variant_unit_scale
+      else
+        variant.weight
+      end
+    end
+
     def update_inventory
       return unless changed?