changes

src/controllers/departmentController.js

@@ -587,16 +587,16 @@ const getLocationsByCityAndZone = async (city, zone) => {
     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
-        }
+          city: { $toLower: { $trim: { input: "$city" } } }, // Normalize city name (lowercase & trim)
+          zone: { $trim: { input: "$zone" } }, // Trim zone field
+          location: 1,
+        },
       },
       {
         $match: {
-          city: { $regex: `^${city.trim()}$`, $options: "i" }, // Trim & case-insensitive
-          zone: zone.trim() // Trim zone
-        }
+          city: { $regex: `^${city.trim().toLowerCase()}$`, $options: "i" }, // Case-insensitive & trimmed
+          zone: zone.trim(),
+        },
       },
       {
         $group: {
@@ -613,7 +613,27 @@ const getLocationsByCityAndZone = async (city, zone) => {
             $reduce: {
               input: "$locations",
               initialValue: [],
-              in: { $concatArrays: ["$$value", "$$this"] },
+              in: { $concatArrays: ["$$value", "$$this"] }, // Flatten nested arrays
+            },
+          },
+        },
+      },
+      {
+        $group: {
+          _id: { city: "$city", zone: "$zone" }, // Merge all data into a single object
+          locations: { $push: "$locations" }, // Collect all locations
+        },
+      },
+      {
+        $project: {
+          _id: 0,
+          city: "$_id.city",
+          zone: "$_id.zone",
+          locations: {
+            $reduce: {
+              input: "$locations",
+              initialValue: [],
+              in: { $concatArrays: ["$$value", "$$this"] }, // Flatten again after merging
             },
           },
         },
@@ -621,7 +641,7 @@ const getLocationsByCityAndZone = async (city, zone) => {
     ]);
 
     console.log("Query Result:", result); // Debugging output
-    return result;
+    return result.length ? result[0] : null; // Return a single object instead of an array
   } catch (err) {
     console.error(err);
     throw new Error("Error fetching locations.");
@@ -633,6 +653,11 @@ exports.getZonebasedLocations = async (req, reply) => {
     const { city, zone } = req.query;
     console.log("Received City:", `"${city}"`, "Received Zone:", `"${zone}"`); // Debugging input
     const locations = await getLocationsByCityAndZone(city.trim(), zone.trim());
+
+    if (!locations) {
+      return reply.send({ status_code: 404, message: "No data found." });
+    }
+
     reply.send({ status_code: 200, data: locations });
   } catch (err) {
     reply.status(500).send({ message: err.message });