Merge branch 'main' into chore/deps

src/pages/api/newsletter/stats.ts

@@ -1,41 +1,69 @@
-import type { NextApiRequest, NextApiResponse } from 'next';
+// Importing only the necessary types from 'next'
+import type { NextRequest } from 'next/server';
 
-import { env } from '@utils/env.mjs';
+// Environment variables should be accessed using the Next.js provided way for Edge Functions
+const convertKitApiSecret = process.env.CONVERTKIT_API_SECRET;
 
-type ResponseData = {
-  subscriberCount: number;
-};
-
-type ErrorResponse = {
-  message: string;
+type ConvertKitStats = {
+  stats: {
+    total_subscribers: number;
+    open_tracking_enabled: boolean;
+    click_tracking_enabled: boolean;
+    subscribers_today: number;
+    subscribers_yesterday: number;
+    subscribers_last_7_days: number;
+    subscribers_previous_7_days: number;
+    subscribers_last_30_days: number;
+    subscribers_previous_30_days: number;
+    email_stats_mode: string;
+    sent: number;
+    clicked: number;
+    opened: number;
+  };
 };
-
-export default async function handler(
-  req: NextApiRequest,
-  res: NextApiResponse<ResponseData | ErrorResponse>
-) {
+export default async function handler(req: NextRequest) {
   if (req.method !== 'GET') {
-    res.status(405).send({ message: 'Only GET requests allowed' });
-    return;
+    return new Response(
+      JSON.stringify({ message: 'Only GET requests allowed' }),
+      {
+        status: 405,
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      }
+    );
   }
 
   // get newsletter subscriber count from ConvertKit API
   const response = await fetch(
-    `https://api.convertkit.com/v3/lifetime_stats?api_secret=${env.CONVERTKIT_API_SECRET}`
+    `https://api.convertkit.com/v3/lifetime_stats?api_secret=${convertKitApiSecret}`
   );
-  const json = (await response.json()) as {
-    stats: { total_subscribers: number };
-  };
+  const json = (await response.json()) as ConvertKitStats;
 
-  const { stats } = json;
+  const stats = json?.stats;
   if (!stats) {
-    res.status(500).send({ message: 'Something went wrong' });
-    return;
+    return new Response(JSON.stringify({ message: 'Something went wrong' }), {
+      status: 500,
+      headers: {
+        'Content-Type': 'application/json',
+      },
+    });
   }
 
   const CACHE_TIME_IN_SECONDS = 60 * 5; // 5 minutes
-  res.setHeader('Cache-Control', `s-maxage=${CACHE_TIME_IN_SECONDS}`);
-  res.status(200).json({
-    subscriberCount: stats.total_subscribers,
-  });
+  const subscriberCountResponse = new Response(
+    JSON.stringify({ subscriberCount: stats.total_subscribers }),
+    {
+      headers: {
+        'Content-Type': 'application/json',
+        'Cache-Control': `s-maxage=${CACHE_TIME_IN_SECONDS}`,
+      },
+    }
+  );
+
+  return subscriberCountResponse;
 }
+
+export const config = {
+  runtime: 'edge',
+};