Remove 'database' field from request and make all database requests go through config.

Author: nlutsenko

src/Routers/UsersRouter.js

@@ -75,7 +75,7 @@ export class UsersRouter extends ClassesRouter {
     }
 
     let user;
-    return req.database.find('_User', { username: req.body.username })
+    return req.config.database.find('_User', { username: req.body.username })
       .then((results) => {
         if (!results.length) {
           throw new Parse.Error(Parse.Error.OBJECT_NOT_FOUND, 'Invalid username/password.');

src/middlewares.js

@@ -86,7 +86,6 @@ function handleParseHeaders(req, res, next) {
 
   info.app = cache.apps.get(info.appId);
   req.config = new Config(info.appId, mount);
-  req.database = req.config.database;
   req.info = info;
 
   var isMaster = (info.masterKey === req.config.masterKey);

src/testing-routes.js

@@ -32,7 +32,7 @@ function clearApp(req, res) {
   if (!req.auth.isMaster) {
     return res.status(401).send({"error": "unauthorized"});
   }
-  req.database.deleteEverything().then(() => {
+  return req.config.database.deleteEverything().then(() => {
     res.status(200).send({});
   });
 }
@@ -42,7 +42,7 @@ function dropApp(req, res) {
   if (!req.auth.isMaster) {
     return res.status(401).send({"error": "unauthorized"});
   }
-  req.database.deleteEverything().then(() => {
+  return req.config.database.deleteEverything().then(() => {
     cache.apps.remove(req.config.applicationId);
     res.status(200).send({});
   });