move database from postgres/prisma to redis ⚡️

app/api/hits/route.ts

@@ -1,31 +1,43 @@
 import { NextResponse } from "next/server";
-import { prisma } from "../../../lib/helpers/prisma";
-import type { hits as Hits } from "@prisma/client";
+import redis from "../../../lib/helpers/redis";
 
 export const revalidate = 900; // 15 mins
 
 export const GET = async (): Promise<
   NextResponse<{
-    total: Pick<Hits, "hits">;
-    pages: Hits[];
+    total: {
+      hits: number;
+    };
+    pages: Array<{
+      slug: string;
+      hits: number;
+    }>;
   }>
 > => {
-  // fetch all rows from db sorted by most hits
-  const pages = await prisma.hits.findMany({
-    orderBy: [
-      {
-        hits: "desc",
-      },
-    ],
+  const slugs = await redis.scan(0, {
+    count: 50,
   });
 
-  const total = { hits: 0 };
+  // fetch all rows from db sorted by most hits
+  const data = await Promise.all(
+    slugs[1].map(async (slug) => {
+      const hits = (await redis.get(slug)) as number;
+      return {
+        slug,
+        hits,
+      };
+    })
+  );
+
+  // sort by hits
+  data.sort((a, b) => b.hits - a.hits);
 
   // calculate total hits
-  pages.forEach((page) => {
+  const total = { hits: 0 };
+  data.forEach((page) => {
     // add these hits to running tally
     total.hits += page.hits;
   });
 
-  return NextResponse.json({ total, pages });
+  return NextResponse.json({ total, pages: data });
 };

app/notes/[slug]/counter.tsx

@@ -1,20 +1,12 @@
 import { connection } from "next/server";
 import commaNumber from "comma-number";
-import { prisma } from "../../../lib/helpers/prisma";
+import redis from "../../../lib/helpers/redis";
 
 const HitCounter = async ({ slug }: { slug: string }) => {
   await connection();
 
   try {
-    const { hits } = await prisma.hits.upsert({
-      where: { slug },
-      create: { slug },
-      update: {
-        hits: {
-          increment: 1,
-        },
-      },
-    });
+    const hits = await redis.incr(slug);
 
     // we have data!
     return <span title={`${commaNumber(hits)} ${hits === 1 ? "view" : "views"}`}>{commaNumber(hits)}</span>;

app/privacy/page.mdx

@@ -22,9 +22,9 @@ For a likely excessive level of privacy and security, this website is also mirro
 
 ## Analytics
 
-A very simple hit counter on each blog post tallies an aggregate number of pageviews (i.e. `hits = hits + 1`) in a [Neon Postgres](https://neon.tech/) database. Individual views and identifying (or non-identifying) details are **never stored or logged**.
+A very simple hit counter on each blog post tallies an aggregate number of pageviews (i.e. `hits = hits + 1`) in a [Upstash Redis](https://upstash.com/) database. Individual views and identifying (or non-identifying) details are **never stored or logged**.
 
-The [database schema](https://github.com/jakejarvis/jarv.is/blob/main/prisma/schema.prisma), [serverless function](https://github.com/jakejarvis/jarv.is/blob/main/app/api/hits/route.ts) and [client script](https://github.com/jakejarvis/jarv.is/blob/main/app/notes/%5Bslug%5D/counter.tsx) are open source, and [snapshots of the database](https://github.com/jakejarvis/website-stats) are public.
+The [server component](https://github.com/jakejarvis/jarv.is/blob/main/app/notes/%5Bslug%5D/counter.tsx) is open source, and [snapshots of the database](https://github.com/jakejarvis/website-stats) are public.
 
 A self-hosted [**Umami**](https://umami.is/) instance is also used to gain insights into referrers, search terms, etc. [without collecting anything identifiable](https://umami.is/blog/why-privacy-matters) about you. [The dashboard is even public!](/stats)