New inbox client (#10644)

* new inbox client

* add tests for sendPrivateMessage returning the message

* update DELETE user message tests

* port v3 GET-inbox_messages

* use v4 delete message route

* sendPrivateMessage: return sent message

* fix

website/server/controllers/api-v3/inbox.js

@@ -0,0 +1,29 @@
+import { authWithHeaders } from '../../middlewares/auth';
+import { toArray, orderBy } from 'lodash';
+
+let api = {};
+
+/* NOTE most inbox routes are either in the user or members controller */
+
+/**
+ * @api {get} /api/v3/inbox/messages Get inbox messages for a user
+ * @apiPrivate
+ * @apiName GetInboxMessages
+ * @apiGroup Inbox
+ * @apiDescription Get inbox messages for a user
+ *
+ * @apiSuccess {Array} data An array of inbox messages
+ */
+api.getInboxMessages = {
+  method: 'GET',
+  url: '/inbox/messages',
+  middlewares: [authWithHeaders()],
+  async handler (req, res) {
+    const messagesObj = res.locals.user.inbox.messages;
+    const messagesArray = orderBy(toArray(messagesObj), ['timestamp'], ['desc']);
+
+    res.respond(200, messagesArray);
+  },
+};
+
+module.exports = api;