fetch the locations based on zone ANd city

src/controllers/departmentController.js

@@ -582,54 +582,63 @@ exports.addDepartment = async (request, reply) => {
 //   };
 
 
-  const getLocationsByCityAndZone = async (city, zone) => {
-    try {
-      const result = await City.aggregate([
-        {
-          $match: {
-            city: city, // Match documents with the same city
-            zone: zone, // Match documents with the same zone
-          },
-        },
-        {
-          $group: {
-            _id: { city: "$city", zone: "$zone" }, // Group by city and zone
-            locations: { $push: "$location" }, // Collect all location arrays
-          },
+const getLocationsByCityAndZone = async (city, zone) => {
+  try {
+    const result = await City.aggregate([
+      {
+        $project: {
+          city: { $trim: { input: "$city" } }, // Trim city field in DB
+          zone: { $trim: { input: "$zone" } }, // Trim zone field in DB
+          location: 1
+        }
+      },
+      {
+        $match: {
+          city: { $regex: `^${city.trim()}$`, $options: "i" }, // Trim & case-insensitive
+          zone: zone.trim() // Trim zone
+        }
+      },
+      {
+        $group: {
+          _id: { city: "$city", zone: "$zone" },
+          locations: { $push: "$location" },
         },
-        {
-          $project: {
-            _id: 0, // Exclude the _id field
-            city: "$_id.city",
-            zone: "$_id.zone",
-            locations: {
-              $reduce: {
-                input: "$locations",
-                initialValue: [],
-                in: { $concatArrays: ["$$value", "$$this"] }, // Flatten the location arrays
-              },
+      },
+      {
+        $project: {
+          _id: 0,
+          city: "$_id.city",
+          zone: "$_id.zone",
+          locations: {
+            $reduce: {
+              input: "$locations",
+              initialValue: [],
+              in: { $concatArrays: ["$$value", "$$this"] },
             },
           },
         },
-      ]);
-  
-      return result;
-    } catch (err) {
-      console.error(err);
-      throw new Error("Error fetching locations.");
-    }
-  };
-  
+      },
+    ]);
+
+    console.log("Query Result:", result); // Debugging output
+    return result;
+  } catch (err) {
+    console.error(err);
+    throw new Error("Error fetching locations.");
+  }
+};
+
+exports.getZonebasedLocations = async (req, reply) => {
+  try {
+    const { city, zone } = req.query;
+    console.log("Received City:", `"${city}"`, "Received Zone:", `"${zone}"`); // Debugging input
+    const locations = await getLocationsByCityAndZone(city.trim(), zone.trim());
+    reply.send({ status_code: 200, data: locations });
+  } catch (err) {
+    reply.status(500).send({ message: err.message });
+  }
+};
 
-  exports.getZonebasedLocations = async (req, reply) => {
-    try {
-        const { city, zone } = req.query;
-        const locations = await getLocationsByCityAndZone(city, zone);
-        reply.send({ status_code: 200, data: locations });
-      } catch (err) {
-        reply.status(500).send({ message: err.message });
-      }
-  };
 
  const getLocationsByZone = async (zone) => {
   try {