From ef315b8e10329db80da1a97e96b3cc82481370ae Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Fri, 28 Oct 2022 06:48:33 -0700
Subject: Persist map geofences

---
 modern/src/common/util/preferences.js | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

(limited to 'modern/src/common/util')

diff --git a/modern/src/common/util/preferences.js b/modern/src/common/util/preferences.js
index aba3c82c..fb8bb4f2 100644
--- a/modern/src/common/util/preferences.js
+++ b/modern/src/common/util/preferences.js
@@ -2,14 +2,38 @@ import { useSelector } from 'react-redux';
 
 export const usePreference = (key, defaultValue) => useSelector((state) => {
   if (state.session.server.forceSettings) {
-    return state.session.server[key] || state.session.user[key] || defaultValue;
+    if (state.session.server.hasOwnProperty(key)) {
+      return state.session.server[key];
+    }
+    if (state.session.user.hasOwnProperty(key)) {
+      return state.session.user[key];
+    }
+    return defaultValue;
   }
-  return state.session.user[key] || state.session.server[key] || defaultValue;
+  if (state.session.user.hasOwnProperty(key)) {
+    return state.session.user[key];
+  }
+  if (state.session.server.hasOwnProperty(key)) {
+    return state.session.server[key];
+  }
+  return defaultValue;
 });
 
 export const useAttributePreference = (key, defaultValue) => useSelector((state) => {
   if (state.session.server.forceSettings) {
-    return state.session.server.attributes[key] || state.session.user.attributes[key] || defaultValue;
+    if (state.session.server.attributes.hasOwnProperty(key)) {
+      return state.session.server.attributes[key];
+    }
+    if (state.session.user.attributes.hasOwnProperty(key)) {
+      return state.session.user.attributes[key];
+    }
+    return defaultValue;
+  }
+  if (state.session.user.attributes.hasOwnProperty(key)) {
+    return state.session.user.attributes[key];
+  }
+  if (state.session.server.attributes.hasOwnProperty(key)) {
+    return state.session.server.attributes[key];
   }
-  return state.session.user.attributes[key] || state.session.server.attributes[key] || defaultValue;
+  return defaultValue;
 });
-- 
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