Duplicate error status code fixed

app/controllers/unitMasterController.js

@@ -425,23 +425,31 @@ exports.uploadUnitMasterFromCSV = async (req, res) => {
           }
 
           fs.unlinkSync(filePath);
-
-          // -------------------------------------------------------------------
-          //                       FINAL RESPONSE
-          // -------------------------------------------------------------------
-
           let finalStatus = "success";
           let message = `${inserted.length} units inserted successfully.`;
+          let httpCode = 200;
 
-          if (errors.length > 0 || duplicates.length > 0) {
+          // Case 1: all good
-            finalStatus = inserted.length > 0 ? "partial_success" : "failed";
+          if (errors.length === 0 && duplicates.length === 0) {
-            message =
+            finalStatus = "success";
-              finalStatus === "partial_success"
+            httpCode = 200;
-                ? `${inserted.length} inserted, ${duplicates.length} duplicates skipped, ${errors.length} errors found.`
-                : `No units imported. ${duplicates.length} duplicates and ${errors.length} errors found.`;
           }
 
-          return res.status(200).send({
+          // Case 2: partial success
+          else if (inserted.length > 0 && (duplicates.length > 0 || errors.length > 0)) {
+            finalStatus = "partial_success";
+            message = `${inserted.length} inserted, ${duplicates.length} duplicates skipped, ${errors.length} errors found.`;
+            httpCode = 206; // Partial Content
+          }
+
+          // Case 3: failed (no imports)
+          else if (inserted.length === 0) {
+            finalStatus = "failed";
+            message = `No units imported. ${duplicates.length} duplicates and ${errors.length} errors found.`;
+            httpCode = 400;
+          }
+
+         return res.status(httpCode).send({
             status: finalStatus,
             message,
             summary: {