From ed890714c184fb92e7bac8c81a746e93c0bc3d11 Mon Sep 17 00:00:00 2001
From: adkinsrs <sadkins@som.umaryland.edu>
Date: Mon, 26 Aug 2024 10:07:31 -0400
Subject: [PATCH] warning if pattern from url param is not found

---
 www/js/projection.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/www/js/projection.js b/www/js/projection.js
index 1aa1b6c7..7b777c76 100644
--- a/www/js/projection.js
+++ b/www/js/projection.js
@@ -301,6 +301,10 @@ const parsePatternCartURLParams = async () => {
     }
     urlParamsPassed = true;
     const foundPattern = flatPatternsCartData.find((p) => p.share_id === pattern);
+    if (!foundPattern) {
+        console.warn(`Pattern ${pattern} not found in pattern cart data. Perhaps the user does not have access to it.`);
+        return;
+    }
     selectedPattern = {shareId: foundPattern.share_id, label: foundPattern.label, gctype: foundPattern.gctype, selectedWeights: []};
 
     // Update proxy so that multi-gene radio button can be enabled/disabled