BOM: Add switchClass service to help visualise update status

app/assets/javascripts/admin/bulk_order_management.js.coffee

@@ -126,4 +126,18 @@ orderManagementModule.factory "dataSubmitter", [
       ).error ->
         deferred.reject()
       deferred.promise
-]
+]
+
+orderManagementModule.factory "switchClass", [
+  "$timeout"
+  ($timeout) ->
+    return (element,classToAdd,removeClasses,timeout) ->
+      $timeout.cancel element.timeout if element.timeout
+      element.removeClass className for className in removeClasses
+      element.addClass classToAdd
+      intRegex = /^\d+$/
+      if timeout && intRegex.test(timeout)
+        element.timeout = $timeout(->
+          element.removeClass classToAdd
+        , timeout, true)
+]