refactor Rxify nonprofits router

server/utils/rx.js

@@ -1,5 +1,6 @@
 var Rx = require('rx');
 var debug = require('debug')('freecc:rxUtils');
+var slice = Array.prototype.slice;
 
 exports.saveUser = function saveUser(user) {
   return new Rx.Observable.create(function(observer) {
@@ -23,3 +24,7 @@ exports.observableQueryFromModel =
   function observableQueryFromModel(Model, method, query) {
     return Rx.Observable.fromNodeCallback(Model[method], Model)(query);
   };
+
+exports.observeMethod = function observeMethod(Model, method) {
+  return Rx.Observable.fromNodeCallback(Model[method], Model);
+};