CHANGES

src/controllers/installationController.js

@@ -1018,21 +1018,22 @@ exports.getMasterSlaveSummary = async (req, reply) => {
 
     // Update connection status and timestamps
     const updateStatusPromises = allDevices.map(async device => {
-      let checkHardwareId = device.hardwareId?.trim();
-      if (!checkHardwareId) return;
+      let checkHardwareId;
     
-      // For slave, check connection via master's hardwareId (i.e., connected_to)
-      if (device.type === 'slave') {
-        checkHardwareId = device.connected_to?.trim();
-        if (!checkHardwareId) return;
+      if (device.type === 'master') {
+        checkHardwareId = device.hardwareId?.trim();
+      } else if (device.type === 'slave') {
+        checkHardwareId = device.hardwareId?.trim(); // Use slave's own hardwareId
       }
     
+      if (!checkHardwareId) return;
+    
       const latestData = await IotData.findOne({ hardwareId: checkHardwareId })
         .sort({ date: -1 })
         .lean();
     
       let status = "disconnected";
-      let updateFields = {};
+      const updateFields = {};
     
       if (latestData?.date) {
         const now = moment();
@@ -1067,6 +1068,8 @@ exports.getMasterSlaveSummary = async (req, reply) => {
       device.connected_status = status;
     });
     
+    
+
     await Promise.all(updateStatusPromises);
 
     // Build enriched masters and exclude irrelevant fields