From 0018ef6eb4e678b5e287fea2a8e5c1535120d9ec Mon Sep 17 00:00:00 2001
From: Andy Brett <andy@andybrett.com>
Date: Fri, 7 Aug 2020 20:54:25 -0700
Subject: [PATCH] refactor variant_unit_manager.coffee and add systems to
 scales

---
 .../services/variant_unit_manager.js.coffee   | 42 +++++++++++++------
 1 file changed, 30 insertions(+), 12 deletions(-)

diff --git a/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee b/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee
index fc24c07f56..2d2922924c 100644
--- a/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee
+++ b/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee
@@ -1,19 +1,35 @@
 angular.module("admin.products").factory "VariantUnitManager", ->
   class VariantUnitManager
-    @unitNames:
+    @units:
       'weight':
-        1.0: 'g'
-        1000.0: 'kg'
-        1000000.0: 'T'
-        453.6: 'lb'
-        28.34952: 'oz'
+        1.0:
+          name: 'g'
+          system: 'metric'
+        1000.0:
+          name: 'kg'
+          system: 'metric'
+        1000000.0:
+          name: 'T'
+          system: 'metric'
+        453.6:
+          name: 'lb'
+          system: 'imperial'
+        28.34952:
+          name: 'oz'
+          system: 'imperial'
       'volume':
-        0.001: 'mL'
-        1.0: 'L'
-        1000.0: 'kL'
+        0.001:
+          name: 'mL'
+          system: 'metric'
+        1.0:
+          name: 'L'
+          system: 'metric'
+        1000.0:
+          name: 'kL'
+          system: 'metric'
 
     @variantUnitOptions: ->
-      options = for unit_type, scale_with_name of @unitNames
+      options = for unit_type, _ of @units
         for scale in @unitScales(unit_type)
           name = @getUnitName(scale, unit_type)
           ["#{I18n.t(unit_type)} (#{name})", "#{unit_type}_#{scale}"]
@@ -32,8 +48,10 @@ angular.module("admin.products").factory "VariantUnitManager", ->
         unitScales[0]
 
     @getUnitName: (scale, unitType) ->
-      @unitNames[unitType][scale]
+      @units[unitType][scale]['name']
 
     @unitScales: (unitType) ->
-      (parseFloat(scale) for scale in Object.keys(@unitNames[unitType])).sort (a, b) ->
+      (parseFloat(scale) for scale in Object.keys(@units[unitType])).sort (a, b) ->
          a - b
+
+    @compatibleUnitScales