Recursive parse date in cloud function (#2014)

* Recursive parse date in cloud function

* Use _.mapValues

spec/CloudCode.spec.js

@@ -316,6 +316,63 @@ describe('Cloud Code', () => {
     });
   });
 
+  it('test cloud function request params types', function(done) {
+    Parse.Cloud.define('params', function(req, res) {
+      expect(req.params.date instanceof Date).toBe(true);
+      expect(req.params.date.getTime()).toBe(1463907600000);
+      expect(req.params.dateList[0] instanceof Date).toBe(true);
+      expect(req.params.dateList[0].getTime()).toBe(1463907600000);
+      expect(req.params.complexStructure.date[0] instanceof Date).toBe(true);
+      expect(req.params.complexStructure.date[0].getTime()).toBe(1463907600000);
+      expect(req.params.complexStructure.deepDate.date[0] instanceof Date).toBe(true);
+      expect(req.params.complexStructure.deepDate.date[0].getTime()).toBe(1463907600000);
+      expect(req.params.complexStructure.deepDate2[0].date instanceof Date).toBe(true);
+      expect(req.params.complexStructure.deepDate2[0].date.getTime()).toBe(1463907600000);
+      return res.success({});
+    });
+
+    let params = {
+      'date': {
+        '__type': 'Date',
+        'iso': '2016-05-22T09:00:00.000Z'
+      },
+      'dateList': [
+        {
+          '__type': 'Date',
+          'iso': '2016-05-22T09:00:00.000Z'
+        }
+      ],
+      'lol': 'hello',
+      'complexStructure': {
+        'date': [
+          {
+            '__type': 'Date',
+            'iso': '2016-05-22T09:00:00.000Z'
+          }
+        ],
+        'deepDate': {
+          'date': [
+            {
+              '__type': 'Date',
+              'iso': '2016-05-22T09:00:00.000Z'
+            }
+          ]
+        },
+        'deepDate2': [
+          {
+            'date': {
+              '__type': 'Date',
+              'iso': '2016-05-22T09:00:00.000Z'
+            }
+          }
+        ]
+      }
+    };
+    Parse.Cloud.run('params', params).then((result) => {
+      done();
+    });
+  });
+
   it('test cloud function should echo keys', function(done) {
     Parse.Cloud.define('echoKeys', function(req, res){
       return res.success({

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);
+      let params = Object.assign({}, req.body, req.query);
-      for (var key in params) {
+      params = parseDate(params);
-        if (params.hasOwnProperty(key)) {
-          var value = params[key];
-          if (value && value.__type == 'Date') {
-            params[key] = new Date(value.iso);
-          }
-        }
-      }
       var request = {
         params: params,
         master: req.auth && req.auth.isMaster,
@@ -73,4 +89,3 @@ export class FunctionsRouter extends PromiseRouter {
     }
   }
 }
-