Recursive parse date in cloud function (#2014)

* Recursive parse date in cloud function

* Use _.mapValues

src/Routers/FunctionsRouter.js

@@ -5,6 +5,29 @@ var express = require('express'),
     triggers = require('../triggers');
 
 import PromiseRouter from '../PromiseRouter';
+import _ from 'lodash';
+
+function parseDate(params) {
+  return _.mapValues(params, (obj) => {
+    if (Array.isArray(obj)) {
+      return obj.map((item) => {
+        if (item && item.__type == 'Date') {
+          return new Date(item.iso);
+        } else if (item && typeof item === 'object') {
+          return parseDate(item);
+        } else {
+          return item;
+        }
+      });
+    } else if (obj && obj.__type == 'Date') {
+      return new Date(obj.iso);
+    } else if (obj && typeof obj === 'object') {
+      return parseDate(obj);
+    } else {
+      return obj;
+    }
+  });
+}
 
 export class FunctionsRouter extends PromiseRouter {
 
@@ -36,15 +59,8 @@ export class FunctionsRouter extends PromiseRouter {
     var theFunction = triggers.getFunction(req.params.functionName, applicationId);
     var theValidator = triggers.getValidator(req.params.functionName, applicationId);
     if (theFunction) {
-      const params = Object.assign({}, req.body, req.query);
-      for (var key in params) {
-        if (params.hasOwnProperty(key)) {
-          var value = params[key];
-          if (value && value.__type == 'Date') {
-            params[key] = new Date(value.iso);
-          }
-        }
-      }
+      let params = Object.assign({}, req.body, req.query);
+      params = parseDate(params);
       var request = {
         params: params,
         master: req.auth && req.auth.isMaster,
@@ -73,4 +89,3 @@ export class FunctionsRouter extends PromiseRouter {
     }
   }
 }
-