for null received from iot device

src/controllers/tanksController.js

@@ -1154,17 +1154,13 @@ exports.IotDevice = async (req, reply) => {
     }
 
     // Update waterlevel in tanksSchema for each tank
-for (const tank of tanks) {
+    for (const tank of tanks) {
       const { tankhardwareId, tankHeight } = tank;
 
-  // Skip if tankHeight is null or undefined
-  if (tankHeight === null || tankHeight === undefined) {
-    continue; // Skip this iteration and move to the next tank
-  }
-
       // Find the corresponding tank in tanksSchema
       const existingTank = await Tank.findOne({ hardwareId, tankhardwareId });
       
+    
       if (existingTank) {
         // Update the waterlevel using the tankHeight value
         
@@ -1185,29 +1181,30 @@ for (const tank of tanks) {
         console.log(tank_height);
      // console.log(tank_height,1)
       const water_level_height = tank_height - tankHeight
-    console.log(water_level_height, 2)
+      console.log(water_level_height,2)
       
       const waterCapacityPerCm = parseInt(existingTank.waterCapacityPerCm.replace(/,/g, ''), 10)
-    console.log(waterCapacityPerCm, 3)
+      console.log(waterCapacityPerCm,3)
       const water_level = water_level_height * waterCapacityPerCm;
-    console.log(water_level, 4);
+console.log(water_level, 4);
 
-    // Function to add commas to a number
+// Function to add commas to a number
-    function numberWithCommas(x) {
+function numberWithCommas(x) {
   return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
-    }
+}
+
+const formatted_water_level = numberWithCommas(water_level);
+console.log(formatted_water_level, 4);
+
+existingTank.waterlevel = parseInt(formatted_water_level.replace(/,/g, ''), 10);
+console.log(existingTank.waterlevel);
 
-    const formatted_water_level = numberWithCommas(water_level);
-    console.log(formatted_water_level, 4);
 
-    existingTank.waterlevel = parseInt(formatted_water_level.replace(/,/g, ''), 10);
-    console.log(existingTank.waterlevel);
 
         // Save the updated tank document
         await existingTank.save();
       }
-}
+    }
-
 
     // Send the latest three documents
     const latestOttanks = await IotData.find({ hardwareId })
@@ -1220,7 +1217,6 @@ for (const tank of tanks) {
   }
 };
 
-
 // exports.getIotD = async(req, reply) => {
 //   try {
 //     await IotData.find({hardwareId: req.query.hardwareId})