only show available units for products

app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee

@@ -1,4 +1,4 @@
-angular.module("admin.products").factory "VariantUnitManager", ->
+angular.module("admin.products").factory "VariantUnitManager", (availableUnits) ->
   class VariantUnitManager
     @units:
       'weight':
@@ -29,12 +29,18 @@ angular.module("admin.products").factory "VariantUnitManager", ->
           system: 'metric'
 
     @variantUnitOptions: ->
+      availableUnits = availableUnits.split(",")
       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}"]
+          if availableUnits.includes(name)
+            ["#{I18n.t(unit_type)} (#{name})", "#{unit_type}_#{scale}"]
+          else
+            null
+      debugger
       options.push [[I18n.t('items'), 'items']]
-      [].concat options...
+      options = [].concat options...
+      (option for option in options when option != null)
 
     @getScale: (value, unitType) ->
       scaledValue = null

app/helpers/admin/injection_helper.rb

@@ -184,6 +184,12 @@ module Admin
                        json: "'#{@spree_api_key}'" }
     end
 
+    def admin_inject_available_units
+      admin_inject_json "admin.products",
+                        "availableUnits",
+                        "#{Spree::Config.available_units}"
+    end
+
     def admin_inject_json(ng_module, name, data)
       json = data.to_json
       render partial: "admin/json/injection_ams",

app/views/spree/admin/products/index.html.haml

@@ -1,5 +1,6 @@
 = render 'spree/admin/products/index/header'
 = render 'spree/admin/products/index/data'
+= admin_inject_available_units
 
 %div{ ng: { app: 'ofn.admin', controller: 'AdminProductEditCtrl', init: 'initialise()' } }