trim the city values

src/controllers/departmentController.js

@@ -699,19 +699,20 @@ exports.getZonebasedLocations = async (req, reply) => {
     try {
       const result = await City.aggregate([
         {
-          $unwind: "$city" // Convert location array into separate documents
+          $project: {
+            city: { $trim: { input: "$city" } }, // Trim city field in DB
+            zone: 1 // Keep zone field
+          }
         },
         {
           $match: {
-            city: { $regex: `^${city}$`, $options: "i" }, // Match city case-insensitively
+            city: { $regex: `^${city.trim()}$`, $options: "i" }, // Trim & case-insensitive
           },
         },
         {
           $group: {
-            _id: { 
-              $toUpper: { $trim: { input: "$city" } } // Normalize city name
-            }, 
-            zones: { $addToSet: "$zone" } // Collect unique zones
+            _id: { $toUpper: "$city" }, // Normalize city name
+            zones: { $addToSet: "$zone" }, // Collect unique zones
           },
         },
         {
@@ -734,17 +735,18 @@ exports.getZonebasedLocations = async (req, reply) => {
     try {
       const { city } = req.params;
   
-      if (!city) {
+      if (!city || city.trim() === "") {
         return reply.status(400).send({ message: "City is required." });
       }
   
-      const zones = await getZonesByCitys(city);
+      const zones = await getZonesByCitys(city.trim()); // Trim input
       reply.send({ status_code: 200, data: zones });
     } catch (err) {
       reply.status(500).send({ message: err.message });
     }
   };
   
+  
 
   const getDepartmentsByName = async (departmentName) => {
     try {