Debugging Upstash #11

app/api/cart/[cartItemId]/route.ts

@@ -2,8 +2,8 @@ import { z } from "zod";
 import prismadb from "@/lib/prisma";
 import { UserRole } from "@prisma/client";
 import { NextResponse } from "next/server";
-import { cacheCartData } from "@/data/redis-data";
 import { currentRole, currentUser } from "@/lib/auth";
+import { cacheCartData } from "@/data/redis-data";
 
 export async function PATCH(
   request: Request,

app/api/cart/route.ts

@@ -3,7 +3,7 @@ import { UserRole } from "@prisma/client";
 import { NextResponse } from "next/server";
 import { currentRole, currentUser } from "@/lib/auth";
 import { CartItemSchema } from "@/lib/validators/cart-item";
-import { getCachedCartData, cacheCartData } from "@/data/redis-data";
+import { cacheCartData, getCachedCartData } from "@/data/redis-data";
 
 export async function POST(request: Request) {
   try {

data/redis-data.ts

@@ -1,17 +1,15 @@
-"use server";
-
 import prismadb from "@/lib/prisma";
 import { redis } from "@/lib/redis";
 
-export const getCachedCartData = async (userId: string) => {
+export const getCachedCartData = async (userId?: string) => {
   if (!userId) return null;
 
   const cachedCart = await redis.get(`${userId}-cart`);
 
   return cachedCart;
 };
 
-export const cacheCartData = async (userId: string) => {
+export const cacheCartData = async (userId?: string) => {
   if (!userId) return;
 
   const cart = await prismadb.cart.findUnique({

lib/redis.ts

@@ -1,9 +1,19 @@
 import { Redis } from "@upstash/redis";
 import { Ratelimit } from "@upstash/ratelimit";
 
+const url = process.env.NEXT_PUBLIC_UPSTASH_REDIS_REST_URL;
+
+const token = process.env.NEXT_PUBLIC_UPSTASH_REDIS_REST_TOKEN;
+
+if (!url || !token) {
+  throw new Error(
+    "Redis URL or Token is not defined in environment variables."
+  );
+}
+
 export const redis = new Redis({
-  url: process.env.UPSTASH_REDIS_REST_URL as string,
-  token: process.env.UPSTASH_REDIS_REST_TOKEN as string,
+  url,
+  token,
 });
 
 export const apiRatelimit = new Ratelimit({