for null received from iot device

src/controllers/tanksController.js

@@ -1154,61 +1154,58 @@ exports.IotDevice = async (req, reply) => {
     }
 
     // Update waterlevel in tanksSchema for each tank
-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
+    for (const tank of tanks) {
+      const { tankhardwareId, tankHeight } = tank;
 
-    const tank_height1 = (parseInt(existingTank.height.replace(/,/g, ''), 10)) * 30.48;
-    console.log(tank_height1, 25);
+      // Find the corresponding tank in tanksSchema
+      const existingTank = await Tank.findOne({ hardwareId, tankhardwareId });
+      
+    
+      if (existingTank) {
+        // Update the waterlevel using the tankHeight value
+        
+        const tank_height1 = (parseInt(existingTank.height.replace(/,/g, ''), 10)) * 30.48;
+        console.log(tank_height1, 25);
+        
+        // The value of tank_height1 is a number, not a string, so you cannot use replace on it.
+        // If you want to format it with commas, you can create a function to add commas to a number.
+        function numberWithCommas(x) {
+          return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+        }
+        
+        // Now you can use the function to format the tank_height1 value with commas.
+        const formatted_tank_height1 = numberWithCommas(tank_height1);
+        console.log(formatted_tank_height1, 25);
+        
+        const tank_height = parseInt(formatted_tank_height1.replace(/,/g, ''), 10);
+        console.log(tank_height);
+     // console.log(tank_height,1)
+      const water_level_height = tank_height - tankHeight
+      console.log(water_level_height,2)
+      
+      const waterCapacityPerCm = parseInt(existingTank.waterCapacityPerCm.replace(/,/g, ''), 10)
+      console.log(waterCapacityPerCm,3)
+      const water_level = water_level_height * waterCapacityPerCm;
+console.log(water_level, 4);
+
+// Function to add commas to a number
+function numberWithCommas(x) {
+  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+}
 
-    // The value of tank_height1 is a number, not a string, so you cannot use replace on it.
-    // If you want to format it with commas, you can create a function to add commas to a number.
-    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);
 
-    // Now you can use the function to format the tank_height1 value with commas.
-    const formatted_tank_height1 = numberWithCommas(tank_height1);
-    console.log(formatted_tank_height1, 25);
+existingTank.waterlevel = parseInt(formatted_water_level.replace(/,/g, ''), 10);
+console.log(existingTank.waterlevel);
 
-    const tank_height = parseInt(formatted_tank_height1.replace(/,/g, ''), 10);
-    console.log(tank_height);
-    // console.log(tank_height,1)
-    const water_level_height = tank_height - tankHeight
-    console.log(water_level_height, 2)
 
-    const waterCapacityPerCm = parseInt(existingTank.waterCapacityPerCm.replace(/,/g, ''), 10)
-    console.log(waterCapacityPerCm, 3)
-    const water_level = water_level_height * waterCapacityPerCm;
-    console.log(water_level, 4);
 
-    // Function to add commas to a number
-    function numberWithCommas(x) {
-      return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+        // Save the updated tank document
+        await existingTank.save();
+      }
     }
 
-    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 })
       .sort({ date: -1, time: -1 });
@@ -1220,7 +1217,6 @@ for (const tank of tanks) {
   }
 };
 
-
 // exports.getIotD = async(req, reply) => {
 //   try {
 //     await IotData.find({hardwareId: req.query.hardwareId})