Fix WebCfg ota link

Network.cpp

@@ -369,13 +369,20 @@ bool Network::update()
 
             int httpResponseCode = https.GET();
 
-            if (httpResponseCode == HTTP_CODE_OK || httpResponseCode == HTTP_CODE_MOVED_PERMANENTLY) {
+            if (httpResponseCode == HTTP_CODE_OK || httpResponseCode == HTTP_CODE_MOVED_PERMANENTLY) 
+            {
                 DynamicJsonDocument doc(6144);
                 DeserializationError jsonError = deserializeJson(doc, https.getStream());
 
-                if (!jsonError) {
+                if (!jsonError) 
+                {
                     _latestVersion = doc["tag_name"];
                     publishString(_maintenancePathPrefix, mqtt_topic_info_nuki_hub_latest, _latestVersion);
+                    
+                    if (_latestVersion != _preferences->getString(preference_latest_version).c_str()) 
+                    {
+                        _preferences->setString(_latestVersion); 
+                    }
                 }
             }
 
@@ -669,11 +676,6 @@ int Network::mqttConnectionState()
     return _mqttConnectionState;
 }
 
-const char* Network::latestHubVersion()
-{
-    return _latestVersion;
-}
-
 bool Network::encryptionSupported()
 {
     return _device->supportsEncryption();

Network.h

@@ -65,7 +65,6 @@ public:
     void publishPresenceDetection(char* csv);
 
     int mqttConnectionState(); // 0 = not connected; 1 = connected; 2 = connected and mqtt processed
-    const char* latestHubVersion();
     bool encryptionSupported();
     const String networkDeviceName() const;
 

PreferencesKeys.h

@@ -58,6 +58,7 @@
 #define preference_has_mac_byte_0 "macb0"
 #define preference_has_mac_byte_1 "macb1"
 #define preference_has_mac_byte_2 "macb2"
+#define preference_latest_version "latest"
 
 class DebugPreferences
 {
@@ -78,7 +79,7 @@ private:
             preference_register_as_app, preference_command_nr_of_retries,
             preference_command_retry_delay, preference_cred_user, preference_cred_password, preference_publish_authdata,
             preference_publish_debug_info, preference_presence_detection_timeout,
-            preference_has_mac_saved, preference_has_mac_byte_0, preference_has_mac_byte_1, preference_has_mac_byte_2,
+            preference_has_mac_saved, preference_has_mac_byte_0, preference_has_mac_byte_1, preference_has_mac_byte_2, preference_latest_version,
     };
     std::vector<char*> _redact =
     {

WebCfgServer.cpp

@@ -636,12 +636,10 @@ void WebCfgServer::buildHtml(String& response)
     }
     printParameter(response, "Firmware", version.c_str(), "/info");
 
-    const char* _latestVersion = _network->latestHubVersion();
-
     if(_preferences->getBool(preference_check_updates))
     {
         //if(atof(_latestVersion) > atof(NUKI_HUB_VERSION) || (atof(_latestVersion) == atof(NUKI_HUB_VERSION) && _latestVersion != NUKI_HUB_VERSION)) {
-        printParameter(response, "Latest Firmware", _latestVersion, "/ota");
+        printParameter(response, "Latest Firmware", _preferences->getString(preference_latest_version).c_str(), "/ota");
         //}
     }