fix redis post req

app/api/incr.ts → app/api/incr/route.ts

@@ -2,29 +2,23 @@ import { Redis } from "@upstash/redis";
 import { NextRequest, NextResponse } from "next/server";
 
 const redis = Redis.fromEnv();
-export const config = {
-    runtime: "edge",
-};
+export const runtime = "edge";
 
-export default async function incr(req: NextRequest): Promise<NextResponse> {
-    if (req.method !== "POST") {
-        return new NextResponse("use POST", { status: 405 });
-    }
+export async function POST(req: NextRequest): Promise<NextResponse> {
     if (req.headers.get("Content-Type") !== "application/json") {
-        return new NextResponse("must be json", { status: 400 });
+        return new NextResponse("content type must be json", { status: 400 });
     }
 
     const body = await req.json();
     let slug: string | undefined = undefined;
-    if ("slug" in body) {
-        slug = body.slug;
-    }
-    if (!slug) {
-        return new NextResponse("Slug not found", { status: 400 });
-    }
+
+    if ("slug" in body) slug = body.slug;
+
+    if (!slug) return new NextResponse("slug not found", { status: 400 });
+
     const ip = req.ip;
+
     if (ip) {
-        // Hash the IP in order to not store it directly in your db.
         const buf = await crypto.subtle.digest(
             "SHA-256",
             new TextEncoder().encode(ip),
@@ -33,15 +27,16 @@ export default async function incr(req: NextRequest): Promise<NextResponse> {
             .map((b) => b.toString(16).padStart(2, "0"))
             .join("");
 
-        // deduplicate the ip for each slug
         const isNew = await redis.set(["deduplicate", hash, slug].join(":"), true, {
             nx: true,
             ex: 24 * 60 * 60,
         });
+
         if (!isNew) {
             new NextResponse(null, { status: 202 });
         }
     }
+
     await redis.incr(["pageviews", "projects", slug].join(":"));
     return new NextResponse(null, { status: 202 });
 }