From 5291a05d2cdd8a81f54b2e62d8714edb59fcb99f Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Fri, 21 Feb 2025 15:14:02 +0100
Subject: [PATCH] fix: backend route fix for error handling + fixed package
 import

---
 backend/src/routes/generateqrcode.route.ts | 21 ++++++++++++++-------
 backend/tsconfig.json                      |  1 +
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/backend/src/routes/generateqrcode.route.ts b/backend/src/routes/generateqrcode.route.ts
index b8c0c5b..9ff2e9b 100644
--- a/backend/src/routes/generateqrcode.route.ts
+++ b/backend/src/routes/generateqrcode.route.ts
@@ -1,8 +1,8 @@
 import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
-import QRCode from "qrcode";
+import * as QRCode from "qrcode";
 
 interface RequestBody {
-  text: string;
+  qrcodeContent: string;
 }
 
 export async function generateQRCode(app: FastifyInstance) {
@@ -14,19 +14,26 @@ export async function generateQRCode(app: FastifyInstance) {
     ) => {
       const data = request.body;
 
-      if (!data) {
-        return reply.status(400).send({ error: "Missing data parameter" });
+      if (!data.qrcodeContent) {
+        return reply.status(400).send({ error: "Missing text parameter" });
+      } else if (data.qrcodeContent === "") {
+        return reply
+          .status(400)
+          .send({ error: "Text parameter cannot be empty" });
+      } else if (data.qrcodeContent.length > 1000) {
+        return reply.status(400).send({ error: "Text parameter too long" });
       }
 
       try {
-        const qrCodeDataUrl = QRCode.toDataURL(data.text);
+        const qrCodeUrl = await QRCode.toDataURL(data.qrcodeContent);
+        console.log("QR Code generated:", qrCodeUrl);
         return reply
           .header("Content-Type", "application/json")
           .status(200)
-          .send({ qrCode: qrCodeDataUrl });
+          .send({ qrCode: qrCodeUrl });
       } catch (error) {
         console.error("QR Code generation error:", error);
-        reply.status(500).send({ error: "Error generating QR code" });
+        return reply.status(500).send({ error: "Error generating QR code!" });
       }
     },
   );
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 2ef8988..b0de5ac 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -5,6 +5,7 @@
     "outDir": "./dist",
     "rootDir": ".",
     "strict": true,
+    "esModuleInterop": true,
     "allowSyntheticDefaultImports": true
   }
 }