automation of motor switch test2

src/controllers/tanksController.js

@@ -1494,23 +1494,26 @@ exports.IotDevice = async (req, reply) => {
       const waterCapacityPerCm = parseInt(existingTank.waterCapacityPerCm.replace(/,/g, ''), 10);
       const water_level = water_level_height * waterCapacityPerCm;
 
-      existingTank.waterlevel = water_level;
-
-      // Save the updated tank document
-      await existingTank.save();
-
-      // Update linked tanks
-      for (const outputConnection of existingTank.connections.outputConnections) {
-        const linkedTank = await Tank.findOne({ customerId, tankName: outputConnection.outputConnections, tankLocation: outputConnection.output_type });
-        if (linkedTank) {
-          for (const inputConnection of linkedTank.connections.inputConnections) {
-            if (inputConnection.inputConnections === tank_name) {
-              inputConnection.water_level = water_level;
-              await linkedTank.save();
+      if (water_level >= 0) {
+        existingTank.waterlevel = water_level;
+      
+        // Save the updated tank document
+        await existingTank.save();
+      
+        // Update linked tanks
+        for (const outputConnection of existingTank.connections.outputConnections) {
+          const linkedTank = await Tank.findOne({ customerId, tankName: outputConnection.outputConnections, tankLocation: outputConnection.output_type });
+          if (linkedTank) {
+            for (const inputConnection of linkedTank.connections.inputConnections) {
+              if (inputConnection.inputConnections === tank_name) {
+                inputConnection.water_level = water_level;
+                await linkedTank.save();
+              }
             }
           }
         }
       }
+      
     }
 
     // Send the latest three documents