Adding resource service to determine submission request based on object type

app/assets/javascripts/admin/services/data_submitter.js.coffee

@@ -1,11 +1,10 @@
-angular.module("ofn.admin").factory "dataSubmitter", ($http, $q) ->
+angular.module("ofn.admin").factory "dataSubmitter", ($http, $q, resources) ->
   return (change) ->
     deferred = $q.defer()
-    url = "/api/orders/#{change.object.order.number}/line_items/#{change.object.id}?line_item[#{change.attr}]=#{change.value}"
-    $http.put(url).success((data) ->
+    resources.update(change).$promise.then (data) ->
       change.scope.success()
       deferred.resolve data
-    ).error ->
+    , ->
       change.scope.error()
       deferred.reject()
     deferred.promise

app/assets/javascripts/admin/services/resources.js.coffee

@@ -0,0 +1,22 @@
+angular.module("ofn.admin").factory "resources", ($resource) ->
+  LineItem = $resource '/api/orders/:order_number/line_items/:line_item_id.json',
+    { order_number: '@order_cycle_id', line_item_id: '@line_item_id'},
+    'update': { method: 'PUT' }
+
+  return {
+    update: (change) ->
+      params = {}
+      data = {}
+      resource = null
+
+      switch change.type
+        when "line_item"
+          resource = LineItem;
+          params.order_number = change.object.order.number
+          params.line_item_id = change.object.id
+          data.line_item = {}
+          data.line_item[change.attr] = change.value
+        else ""
+
+      resource.update(params, data)
+  }