From 06304dd77f5576fee5ab983139ffe07b73e7b0fd Mon Sep 17 00:00:00 2001
From: monsieurswag <mael.joumier@intuitem.com>
Date: Thu, 3 Oct 2024 22:26:40 +0200
Subject: [PATCH] Modify the evidence file stream behavior to stop reading when
 being terminated by the client

Fix useless code
---
 .../evidences/[id=uuid]/attachment/+server.ts              | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/frontend/src/routes/(app)/(third-party)/evidences/[id=uuid]/attachment/+server.ts b/frontend/src/routes/(app)/(third-party)/evidences/[id=uuid]/attachment/+server.ts
index ed87e123c..9ac07bd10 100644
--- a/frontend/src/routes/(app)/(third-party)/evidences/[id=uuid]/attachment/+server.ts
+++ b/frontend/src/routes/(app)/(third-party)/evidences/[id=uuid]/attachment/+server.ts
@@ -29,9 +29,13 @@ export const GET: RequestHandler = async ({ fetch, setHeaders, params }) => {
 		}
 
 		const reader = attachmentResponse.body.getReader();
+		let readerTerminated = false;
 		const stream = new ReadableStream({
 			start(controller) {
 				function push() {
+					if (readerTerminated) {
+						return;
+					}
 					reader.read().then(({ done, value }) => {
 						if (done) {
 							controller.close();
@@ -42,6 +46,9 @@ export const GET: RequestHandler = async ({ fetch, setHeaders, params }) => {
 					});
 				}
 				push();
+			},
+			cancel() {
+				readerTerminated = true;
 			}
 		});