From 59f30a3d405052d7de60e8e09856d6e1526962ef Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Tue, 31 Mar 2026 14:42:42 +0000
Subject: [PATCH] Fix: null-guard getDailyStreak and topic callbacks (Fixes
 ZEEGUU-WEB-BP, ZEEGUU-WEB-DN)

Prevents TypeErrors when API calls return null on network failure.
Long-term solution tracked in #1006 (global toast + React Query).

https://claude.ai/code/session_01Gy24MmyjQbi9P2qunHLWhw
---
 src/contexts/ProgressContext.js | 1 +
 src/hooks/useSelectInterest.js  | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/contexts/ProgressContext.js b/src/contexts/ProgressContext.js
index 65099cbda..22173ec23 100644
--- a/src/contexts/ProgressContext.js
+++ b/src/contexts/ProgressContext.js
@@ -20,6 +20,7 @@ function ProgressProvider({ children }) {
   useEffect(() => {
     if (!userDetails?.learned_language) return;
     api.getDailyStreak((data) => {
+      if (!data) return;
       setDaysPracticed(data.daily_streak);
     });
   }, [userDetails?.learned_language]);
diff --git a/src/hooks/useSelectInterest.js b/src/hooks/useSelectInterest.js
index 39a06d1c7..42b9f4f21 100644
--- a/src/hooks/useSelectInterest.js
+++ b/src/hooks/useSelectInterest.js
@@ -10,16 +10,16 @@ export default function useSelectInterest(api) {
 
   useEffect(() => {
     api.getAvailableTopics((data) => {
-      setAvailableTopics(data);
+      if (data) setAvailableTopics(data);
     });
 
     api.getSubscribedTopics((data) => {
-      setSubscribedTopics(data);
+      if (data) setSubscribedTopics(data);
     });
 
     //custom interest filters
     api.getSubscribedSearchers((data) => {
-      setSubscribedSearches(data);
+      if (data) setSubscribedSearches(data);
     });
   }, [api]);