Remove AUTH_URL and INVITE env variables since they can be deterministic

.env template

@@ -6,8 +6,6 @@ CLIENT_ID="" # discord
 CLIENT_SECRET="" # discord
 DONATE="" # donation url
 GITHUB="" # github url
-INVITE="" # discord oauth2 redirect to /invite page, use identify/guilds perms
-AUTH_URL="" # discord oauth2 redirect to /login page, use identify/guilds perms
 RESCHEDULING=true
 REMINDERS=true
 LOCALENV=true

README.md

@@ -196,16 +196,12 @@ Each next announcement will be posted X hours after the date/time of the current
 * install [git](https://git-scm.com/downloads), [node](https://nodejs.org/en/download/), [heroku-cli](https://devcenter.heroku.com/articles/heroku-cli#download-and-install), and [mongodb server](https://www.mongodb.com/download-center/community)
 * Run `npm install`
 * Set up a [discord bot application](https://discordapp.com/developers) with permissions and a token
-  * permissions: 
-    * send messages
-    * manage messages
-    * embed links
-    * read message history
-    * add reactions
-  * OAuth2 redirect
-    * `http://localhost:5000/login`
-      * guilds
-      * identify
+  * Configure the bot as following
+  * OAuth2
+    * Redirects
+      * `http://localhost:5000/login`
+  * Bot
+    * Follow instructions after clicking to create a bot
 * Copy `.env template` to `.devenv` and fill out the values
 * Create a file called `dev` (no extension) with the following content:
   ```javascript

src/routes/login.ts

@@ -50,7 +50,7 @@ export default () => {
       if (req.query.redirect) {
         req.session.redirect = req.query.redirect;
       }
-      res.redirect(process.env.AUTH_URL);
+      res.redirect(`https://discord.com/api/oauth2/authorize?client_id=${process.env.CLIENT_ID}&redirect_uri=${encodeURI(process.env.HOST + config.urls.login.path)}&response_type=code&scope=identify%20guilds`);
     }
   });
 

src/routes/other.ts

@@ -6,7 +6,7 @@ export default () => {
   const router = express.Router();
 
   router.use(config.urls.invite.path, (req, res, next) => {
-    res.redirect(process.env.INVITE);
+    res.redirect(`https://discordapp.com/oauth2/authorize?client_id=${process.env.CLIENT_ID}&scope=bot&permissions=93248`);
   });
 
   router.use(config.urls.donate.path, (req, res, next) => {