preliminary work to add settings page

app/routes/settings.ts

@@ -0,0 +1,44 @@
+import type {
+    RequestHandler as Middleware,
+    Request,
+    Response,
+    NextFunction,
+} from "express";
+
+import express from "express";
+
+import { db, UserRow } from "../lib/db";
+
+const router = express.Router();
+
+const fetchUsers = (): Promise<[UserRow]> => {
+    const query = "SELECT * FROM users";
+
+    return new Promise((resolve, reject) => {
+        db.all(query, (err: Error, rows: [UserRow]) => {
+            if (err) reject(err);
+            resolve(rows);
+        });
+    });
+}
+
+const fetchSettings: Middleware = async (req, res, next) => {
+    res.locals.users = req.user.username == "admin" ? await fetchUsers() : null;
+    next();
+};
+
+router.get(
+    "/settings",
+    (req: Request, res: Response, next: NextFunction) => {
+        if (!req.user) return res.render("home");
+        console.log(req.user);
+        next();
+    },
+    fetchSettings,
+    (req: Request, res: Response) => {
+        res.locals.filter = null;
+        req.user.username == "admin" ? res.render("settings", { user: req.user, userList: res.locals.users }) : res.redirect("/");
+    }
+);
+
+export default router;