feat: Update handler.ts and router.ts for better code structure

src/handler.ts

@@ -8,7 +8,7 @@ export function getHealthzHandler() {
 	};
 }
 
-export function getDownloadCommitDotShHandler(
+export function getIndexHandler(
 	fs: typeof import('node:fs/promises'),
 	cache: CacheType,
 	commitDotSh: string,
@@ -32,38 +32,6 @@ export function getDownloadCommitDotShHandler(
 	};
 }
 
-export function getIndexHandler(
-	fs: typeof import('node:fs/promises'),
-	cache: CacheType,
-	commitDotSh: string,
-	commitDotShPath: string,
-	extractDomain: (req: Request) => string,
-) {
-	return async (req: Request, res: Response) => {
-		if (req.get('Content-Type') === 'application/json') {
-			let file = cache.get(commitDotShPath);
-
-			if (!file) {
-				file = await fs.readFile(commitDotShPath, 'utf-8');
-				file = file.replace(/http:\/\/localhost/g, extractDomain(req) + '/');
-				cache.set(commitDotShPath, file);
-			}
-
-			return res
-				.setHeader('Content-Disposition', `attachment; filename=${commitDotSh}`)
-				.setHeader('Cache-Control', 'public, max-age=2592000') // Cache for 30 days
-				.status(200)
-				.send(file);
-		}
-
-		const domain = extractDomain(req);
-
-		const message = `Run this command: 'curl -s ${domain}/${commitDotSh} | sh'`;
-
-		return res.status(200).json({ message });
-	};
-}
-
 export function postGenerateCommitMessageHandler(ai: (type?: Provider) => AIService) {
 	return async (req: GenerateCommitMessageRequest, res: Response) => {
 		const { diff, provider } = req.body;

src/router.ts

@@ -6,7 +6,6 @@ import { ai } from './ai';
 import { cache, extractDomain, getIpAddress } from './util';
 import { limitIPsMiddleware, catchAsyncErrorMiddleware } from './middleware';
 import {
-	getDownloadCommitDotShHandler,
 	postGenerateCommitMessageHandler,
 	getHealthzHandler,
 	getIndexHandler,
@@ -18,13 +17,6 @@ const commitDotShPath = path.resolve(path.join(process.cwd(), 'src', commitDotSh
 
 const router = express.Router();
 
-router.get(
-	'/commit.sh',
-	catchAsyncErrorMiddleware(
-		getDownloadCommitDotShHandler(fs, cache, commitDotSh, commitDotShPath, extractDomain),
-	),
-);
-
 router.get(
 	'/',
 	catchAsyncErrorMiddleware(