Parses correctly Parse.Files and Dates when sent to Cloud Code Functions (#2297)

* fix for #2294

* fail tests

* Makes sure dates are compatible with Parse.com CloudCode #2214

* Adds regression tests for #2204

spec/CloudCode.spec.js

@@ -323,6 +323,16 @@ describe('Cloud Code', () => {
       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);
+      // Regression for #2294
+      expect(req.params.file instanceof Parse.File).toBe(true);
+      expect(req.params.file.url()).toEqual('https://some.url');
+      // Regression for #2204
+      expect(req.params.array).toEqual(['a', 'b', 'c']);
+      expect(Array.isArray(req.params.array)).toBe(true);
+      expect(req.params.arrayOfArray).toEqual([['a', 'b', 'c'], ['d', 'e','f']]);
+      expect(Array.isArray(req.params.arrayOfArray)).toBe(true);
+      expect(Array.isArray(req.params.arrayOfArray[0])).toBe(true);
+      expect(Array.isArray(req.params.arrayOfArray[1])).toBe(true);
       return res.success({});
     });
 
@@ -361,7 +371,14 @@ describe('Cloud Code', () => {
             }
           }
         ]
-      }
+      },
+      'file': Parse.File.fromJSON({
+        __type: 'File',
+        name: 'name',
+        url: 'https://some.url'
+      }),
+      'array': ['a', 'b', 'c'],
+      'arrayOfArray': [['a', 'b', 'c'], ['d', 'e', 'f']]
     };
     Parse.Cloud.run('params', params).then((result) => {
       done();

spec/ParseAPI.spec.js

@@ -1038,6 +1038,23 @@ describe('miscellaneous', function() {
     });
   });
 
+  it('can handle date params in cloud functions (#2214)', done => {
+    let date = new Date();
+    Parse.Cloud.define('dateFunc', (request, response) => {
+      expect(request.params.date.__type).toEqual('Date');
+      expect(request.params.date.iso).toEqual(date.toISOString());
+      response.success('yay');
+    });
+
+    Parse.Cloud.run('dateFunc', {date: date})
+    .then(() => {
+      done()
+    }, e => {
+      fail('cloud code call failed');
+      done();
+    });
+  });
+
   it('fails on invalid client key', done => {
     var headers = {
       'Content-Type': 'application/octet-stream',

src/Routers/FunctionsRouter.js

@@ -7,26 +7,24 @@ var express = require('express'),
 import PromiseRouter from '../PromiseRouter';
 import _ from 'lodash';
 
-function parseDate(params) {
-  return _.mapValues(params, (obj) => {
-    if (Array.isArray(obj)) {
+function parseObject(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;
-        }
+        return parseObject(item);
       });
-    } else if (obj && obj.__type == 'Date') {
-      return new Date(obj.iso);
-    } else if (obj && typeof obj === 'object') {
-      return parseDate(obj);
-    } else {
-      return obj;
-    }
-  });
+  } else if (obj && obj.__type == 'Date') {
+    return Object.assign(new Date(obj.iso), obj);
+  } else if (obj && obj.__type == 'File') {
+    return Parse.File.fromJSON(obj);
+  } else if (obj && typeof obj === 'object') {
+    return parseParams(obj);
+  } else {
+    return obj;
+  }
+}
+
+function parseParams(params) {
+  return _.mapValues(params, parseObject);
 }
 
 export class FunctionsRouter extends PromiseRouter {
@@ -60,7 +58,7 @@ export class FunctionsRouter extends PromiseRouter {
     var theValidator = triggers.getValidator(req.params.functionName, applicationId);
     if (theFunction) {
       let params = Object.assign({}, req.body, req.query);
-      params = parseDate(params);
+      params = parseParams(params);
       var request = {
         params: params,
         master: req.auth && req.auth.isMaster,