Merge pull request #1210 from framp/master

Make GlobalConfig work like parse.com

src/Routers/FeaturesRouter.js

@@ -2,15 +2,17 @@ import { version }     from '../../package.json';
 import PromiseRouter   from '../PromiseRouter';
 import * as middleware from "../middlewares";
 
+const isGlobalConfigEnabled = !!(process.env.PARSE_EXPERIMENTAL_CONFIG_ENABLED || process.env.TESTING)
+
 export class FeaturesRouter extends PromiseRouter {
   mountRoutes() {
     this.route('GET','/serverInfo', middleware.promiseEnforceMasterKeyAccess, req => {
       const features = {
         globalConfig: {
-          create: false,
-          read: false,
-          update: false,
-          delete: false,
+          create: isGlobalConfigEnabled,
+          read: isGlobalConfigEnabled,
+          update: isGlobalConfigEnabled,
+          delete: isGlobalConfigEnabled,
         },
         hooks: {
           create: false,

src/Routers/GlobalConfigRouter.js

@@ -18,8 +18,19 @@ export class GlobalConfigRouter extends PromiseRouter {
   }
 
   updateGlobalConfig(req) {
+    const params = req.body.params;
+    const update = Object.keys(params).reduce((acc, key) => {
+      if(params[key] && params[key].__op && params[key].__op === "Delete") {
+        if (!acc.$unset) acc.$unset = {};
+        acc.$unset[`params.${key}`] = "";
+      } else {
+        if (!acc.$set) acc.$set = {};
+        acc.$set[`params.${key}`] = params[key];
+      }
+      return acc;
+    }, {});
     return req.config.database.adaptiveCollection('_GlobalConfig')
-      .then(coll => coll.upsertOne({ _id: 1 }, { $set: req.body }))
+      .then(coll => coll.upsertOne({ _id: 1 }, update))
       .then(() => ({ response: { result: true } }));
   }