added total switch count to get tanks

src/controllers/tanksController.js

@@ -211,13 +211,17 @@ exports.getTank = async (req, reply) => {
     await Tank.find({ customerId: req.query.customerId })
       .exec()
       .then((docs) => {
-        // Transform the response to include switch_count
+        // Transform the response to include switch_count and calculate totalSwitchCount
+        let totalSwitchCount = 0;
+
         const transformedDocs = docs.map((tank) => {
           const inputConnections = tank.connections?.inputConnections || [];
           const switchCount = inputConnections.reduce((count, connection) => {
             return count + (connection.inputismotor === true ? 1 : 0);
           }, 0);
 
+          totalSwitchCount += switchCount; // Accumulate the switch_count
+
           // Add the switch_count field inside connections
           return {
             ...tank.toObject(), // Convert Mongoose document to plain object
@@ -228,7 +232,12 @@ exports.getTank = async (req, reply) => {
           };
         });
 
-        reply.send({ status_code: 200, data: transformedDocs, count: transformedDocs.length });
+        reply.send({
+          status_code: 200,
+          data: transformedDocs,
+          count: transformedDocs.length,
+          total_switch_count: totalSwitchCount, // Add the total switch count
+        });
       })
       .catch((err) => {
         console.error(err);