made changes in tanker

src/controllers/tanksController.js

@@ -140,12 +140,12 @@ exports.getTank = async (req, reply) => {
  //   throw boom.boomify(err);
  // }
 //};
-
+let intervalTimer;
 exports.updateTanklevels = async (req, reply) => {
   try {
   const customerId = req.params.customerId;
   const tank =  await Tank.find({customerId});
-
+  clearInterval(intervalTimer);
   for (var i=0; i < tank.length; i++) {
     const tankname = tank[i].tankName
     const capacity = tank[i].capacity
@@ -154,7 +154,7 @@ exports.updateTanklevels = async (req, reply) => {
    
     
     //console.log(Number)
-    setInterval(async function () {
+    intervalTimer=setInterval(async function () {
       
      // const randomNumber = Math.floor(Math.random() * capacity)
       //const randomNumber = Math.floor(Math.random() * (5500 - 1000) + 1000);
@@ -162,7 +162,7 @@ exports.updateTanklevels = async (req, reply) => {
      //console.log(tankname)
      const randomNumber = Math.floor(Number/1.5)
      console.log(randomNumber)
-     await Tank.findOneAndUpdate({ customerId: customerId, tankName: tankname },{ $set: { waterlevel: randomNumber } });
+     await Tank.findOneAndUpdate({ customerId: customerId, tankName: tankname },{ $set: { waterlevel: randomNumber } }, { upsert: true, new: true });
      Number = randomNumber
 
     //return Number