feat: new shorthand route /api/v3/users/bySlug/:userslug

closes #8844

src/controllers/write/users.js

@@ -1,6 +1,7 @@
 'use strict';
 
 const api = require('../../api');
+const user = require('../../user');
 const meta = require('../../meta');
 const privileges = require('../../privileges');
 const utils = require('../../utils');
@@ -16,6 +17,17 @@ const hasAdminPrivilege = async (uid, privilege) => {
 	}
 };
 
+Users.redirectBySlug = async (req, res) => {
+	const uid = await user.getUidByUserslug(req.params.userslug);
+
+	if (uid) {
+		const path = req.path.split('/').slice(3).join('/');
+		helpers.redirect(res, `/api/v3/users/${uid}/${path}`, false);
+	} else {
+		helpers.formatApiResponse(404, res);
+	}
+};
+
 Users.create = async (req, res) => {
 	await hasAdminPrivilege(req.uid, 'users');
 	const userObj = await api.users.create(req, req.body);