Stub out all SSR, built login page

mod.ts

@@ -1,10 +1,14 @@
 import { customAlphabet } from '@nanoid';
-import { STATUS_CODE, STATUS_TEXT, StatusCode } from '@std/http';
+import { STATUS_CODE, STATUS_TEXT, StatusCode } from '@std/http/status';
 
 import config from '~config';
 
 import dbClient from 'db/client.ts';
 
+import buildPage from './ssr/buildPage.ts';
+import buildLogin from './ssr/buildLogin.ts';
+import buildHome from './ssr/buildHome.ts';
+
 // Using custom alphabet to exclude - and _
 const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
 const nanoid = customAlphabet(alphabet, 20);
@@ -29,12 +33,23 @@ Deno.serve({ port: config.api.port }, async (req) => {
 
     let failed = false;
     if (req.method === 'GET') {
-      if (path === '/home') {
+      if (path === '') {
+        const redirectHeaders = new Headers();
+        redirectHeaders.set('Location', '/api/home');
+        return genericResponse(STATUS_CODE.PermanentRedirect, undefined, redirectHeaders);
+      } else if (path === '/home') {
         // SSR "login page"
-        return genericResponse(STATUS_CODE.Unauthorized, 'Please sign in.');
+        return buildPage(buildLogin);
       } else if (path.startsWith('/home/')) {
         // SSR "home page"
-        return genericResponse(STATUS_CODE.NotImplemented, 'WIP');
+        const userId = path.replace('/home/', '');
+        const userMatch = await dbClient.query('SELECT id FROM users WHERE id = ?', [userId]).catch(() => {
+          failed = true;
+        });
+        if (failed) return buildPage("Couldn't read DB.  Please try again.");
+        if (!userMatch.length) return buildPage('User ID does not exist.  Please click on the page header to go back to the sign in page.');
+
+        return buildPage(buildHome(userId));
       } else if (path.startsWith('/read/')) {
         const planId = path.replace('/read/', '');