app/assets/javascripts/admin/resources/resources/line_item_resource.js.coffee
angular.module("admin.resources").factory 'LineItemResource', ($resource) ->
$resource('/admin/bulk_line_items/:id.json', {}, {
'index':
method: 'GET'
'update':
method: 'PUT'
transformRequest: (data, headersGetter) =>
line_item = {}
line_item[attr] = data[attr] for attr in ["price", "quantity", "final_weight_volume"]
angular.toJson(line_item: line_item)
})