From c29b053bbbd44e578c2f3f5ad07a2ea9dc0ef832 Mon Sep 17 00:00:00 2001
From: david emioma <ue22aac@herts.ac.uk>
Date: Tue, 2 Apr 2024 18:55:32 +0100
Subject: [PATCH] Debugging Upstash #5

---
 app/api/cart/[cartItemId]/route.ts |  8 ++++++--
 app/api/cart/route.ts              | 12 ++++++++----
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/app/api/cart/[cartItemId]/route.ts b/app/api/cart/[cartItemId]/route.ts
index 748c10f..fbec683 100644
--- a/app/api/cart/[cartItemId]/route.ts
+++ b/app/api/cart/[cartItemId]/route.ts
@@ -131,7 +131,9 @@ export async function PATCH(
       },
     });
 
-    await redis.set(`${user.id}-cart`, newCart);
+    if (process.env.VERCEL_ENV !== "preview") {
+      await redis.set(`${user.id}-cart`, newCart);
+    }
 
     return NextResponse.json({ message: "Cart item updated!" });
   } catch (err) {
@@ -214,7 +216,9 @@ export async function DELETE(
       },
     });
 
-    await redis.set(`${user.id}-cart`, newCart);
+    if (process.env.VERCEL_ENV !== "preview") {
+      await redis.set(`${user.id}-cart`, newCart);
+    }
 
     return NextResponse.json({ message: "Cart item deleted!" });
   } catch (err) {
diff --git a/app/api/cart/route.ts b/app/api/cart/route.ts
index 1748c34..6a7146f 100644
--- a/app/api/cart/route.ts
+++ b/app/api/cart/route.ts
@@ -193,10 +193,12 @@ export async function GET(request: Request) {
       return NextResponse.json({ cart: null });
     }
 
-    const cachedCart = await redis.get(`${user.id}-cart`);
+    if (process.env.VERCEL_ENV !== "preview") {
+      const cachedCart = await redis.get(`${user.id}-cart`);
 
-    if (cachedCart) {
-      return NextResponse.json(cachedCart);
+      if (cachedCart) {
+        return NextResponse.json(cachedCart);
+      }
     }
 
     const cart = await prismadb.cart.findUnique({
@@ -225,7 +227,9 @@ export async function GET(request: Request) {
       },
     });
 
-    await redis.set(`${user.id}-cart`, cart);
+    if (process.env.VERCEL_ENV !== "preview") {
+      await redis.set(`${user.id}-cart`, cart);
+    }
 
     return NextResponse.json(cart);
   } catch (err) {