Port a commands and utils modules from getting-started

utils.js

@@ -0,0 +1,45 @@
+import 'dotenv/config';
+import fetch from 'node-fetch';
+import { verifyKey } from 'discord-interactions';
+
+const baseURL = 'https://discord.com/api/v10/';
+
+export function verifyDiscordRequest(clientKey) {
+    return function (req, res, buf, encoding) {
+        const signature = req.get('X-Signature-Ed25519');
+        const timestamp = req.get('X-Signature-Timestamp');
+
+        const isValidRequest = verifyKey(buf, signature, timestamp, clientKey);
+        if (!isValidRequest) {
+            res.status(401).send('Bad request signature');
+            throw new Error('Bad request signature');
+        }
+    };
+}
+
+export async function discordRequest(endpoint, options) {
+    const url = baseURL + endpoint;
+
+    if (options.body) {
+        options.body = JSON.stringify(options.body);
+    }
+
+    // Use node-fetch to make requests
+    const res = await fetch(url, {
+        headers: {
+            'Authorization': `Bot ${process.env.DISCORD_TOKEN}`,
+            'Content-Type': 'application/json; charset=UTF-8',
+            'User-Agent': 'DiscordBot (https://github.com/erynofwales/thirteenth-friend, 1.0.0)',
+        },
+        ...options
+    });
+
+    if (!res.ok) {
+        const data = await res.json();
+        console.error('Request failed with status:', res.status);
+        throw new Error(JSON.stringify(data));
+    }
+
+    return res;
+}
+