Adds X-Parse-Push-Status-Id header (#1412)

* Adds X-Parse-Push-Status-Id header

* Waits for _PushStatus to be stored

spec/PushRouter.spec.js

@@ -67,7 +67,7 @@ describe('PushRouter', () => {
     }).toThrow();
     done();
   });
-  
+
   it('sends a push through REST', (done) => {
     request.post({
       url: Parse.serverURL+"/push",
@@ -82,8 +82,11 @@ describe('PushRouter', () => {
         'X-Parse-Master-Key': Parse.masterKey
       }
     }, function(err, res, body){
+      expect(res.headers['x-parse-push-status-id']).not.toBe(undefined);
+      expect(res.headers['x-parse-push-status-id'].length).toBe(10);
+      expect(res.headers[''])
       expect(body.result).toBe(true);
       done();
     });
   });
-});
+});

src/Controllers/PushController.js

@@ -38,7 +38,7 @@ export class PushController extends AdaptableController {
     return !!this.adapter;
   }
 
-  sendPush(body = {}, where = {}, config, auth, wait) {
+  sendPush(body = {}, where = {}, config, auth, onPushStatusSaved = () => {}) {
     var pushAdapter = this.adapter;
     if (!this.pushIsAvailable) {
       throw new Parse.Error(Parse.Error.PUSH_MISCONFIGURED,
@@ -84,6 +84,7 @@ export class PushController extends AdaptableController {
     return Promise.resolve().then(() => {
       return pushStatus.setInitial(body, where);
     }).then(() => {
+      onPushStatusSaved(pushStatus.objectId);
       return badgeUpdate();
     }).then(() => {
       return rest.find(config, auth, '_Installation', where);

src/PromiseRouter.js

@@ -178,6 +178,11 @@ function makeExpressHandler(promiseHandler) {
             return res.send('Found. Redirecting to '+result.location);
           }
         }
+        if (result.headers) {
+          Object.keys(result.headers).forEach((header) => {
+            res.set(header, result.headers[header]);
+          })
+        }
         res.json(result.response);
       }, (e) => {
         log.verbose('error:', e);

src/Routers/PushRouter.js

@@ -15,12 +15,21 @@ export class PushRouter extends PromiseRouter {
     }
 
     let where = PushRouter.getQueryCondition(req);
-    pushController.sendPush(req.body, where, req.config, req.auth);
-    return Promise.resolve({
-      response: {
-        'result': true
-      }
+    let resolve;
+    let promise = new Promise((_resolve) => {
+      resolve = _resolve;
     });
+    pushController.sendPush(req.body, where, req.config, req.auth, (pushStatusId) => {
+      resolve({
+        headers: {
+          'X-Parse-Push-Status-Id': pushStatusId
+        },
+        response: {
+          result: true
+        }
+      });
+    });
+    return promise;
   }
 
   /**

src/pushStatusHandler.js

@@ -16,7 +16,7 @@ export default function pushStatusHandler(config) {
 
   let initialPromise;
   let pushStatus;
-
+  let objectId = newObjectId();
   let collection = function() {
     return config.database.adaptiveCollection('_PushStatus');
   }
@@ -25,7 +25,7 @@ export default function pushStatusHandler(config) {
     let now = new Date();
     let data =  body.data || {};
     let object = {
-      objectId: newObjectId(),
+      objectId,
       pushTime: now.toISOString(),
       _created_at: now,
       query: JSON.stringify(where),
@@ -111,6 +111,7 @@ export default function pushStatusHandler(config) {
   }
 
   return Object.freeze({
+    objectId,
     setInitial,
     setRunning,
     complete,