Added code comments and fixme todo as per code review comments

core-services/egov-hrms/src/main/java/org/egov/hrms/service/EmployeeService.java

@@ -342,26 +342,48 @@ public Long getPosition() {
 	 * @return
 	 */
 	public EmployeeResponse update(EmployeeRequest employeeRequest) {
+		// Extracting request information from the employee request
 		RequestInfo requestInfo = employeeRequest.getRequestInfo();
 
+		// Initialize tenantId to null
 		String tenantId = null;
+
+		// If employeeRequest is not null and contains employees, extract the tenantId from the first employee
 		if (employeeRequest != null && !CollectionUtils.isEmpty(employeeRequest.getEmployees())) {
 			tenantId = employeeRequest.getEmployees().get(0).getTenantId();
 		}
 
-		List <String> uuidList= new ArrayList<>();
-		for(Employee employee: employeeRequest.getEmployees()) {
+		// List to store the UUIDs of the employees to be updated
+		List<String> uuidList = new ArrayList<>();
+
+		// Iterate over the employees in the request and collect their UUIDs
+		for (Employee employee : employeeRequest.getEmployees()) {
 			uuidList.add(employee.getUuid());
 		}
 
-		EmployeeResponse existingEmployeeResponse = search(EmployeeSearchCriteria.builder().uuids(uuidList).tenantId(tenantId).build(),requestInfo);
-		List <Employee> existingEmployees = existingEmployeeResponse.getEmployees();
+		// Search for existing employees based on the collected UUIDs and tenantId
+		EmployeeResponse existingEmployeeResponse = search(
+				EmployeeSearchCriteria.builder().uuids(uuidList).tenantId(tenantId).build(), requestInfo
+		);
+
+		// Extract the list of existing employees from the search response
+		List<Employee> existingEmployees = existingEmployeeResponse.getEmployees();
+
+		// Iterate over each employee in the request
 		employeeRequest.getEmployees().stream().forEach(employee -> {
+			// Enrich the update request with additional information using the existing employee details
 			enrichUpdateRequest(employee, requestInfo, existingEmployees);
+			// Update the user information for the employee
 			updateUser(employee, requestInfo);
 		});
+
+		// Push the updated employee request to the HRMS topic for further processing
 		hrmsProducer.push(propertiesManager.getUpdateTopic(), employeeRequest);
-		//notificationService.sendReactivationNotification(employeeRequest);
+
+		// (Optional) Send reactivation notifications if needed
+		// notificationService.sendReactivationNotification(employeeRequest);
+
+		// Generate and return the response containing the updated employee information
 		return generateResponse(employeeRequest);
 	}
 
@@ -395,9 +417,16 @@ private void enrichUpdateRequest(Employee employee, RequestInfo requestInfo, Lis
 				.createdBy(requestInfo.getUserInfo().getUserName())
 				.createdDate(new Date().getTime())
 				.build();
-		Employee existingEmpData = existingEmployeesData.stream().filter(existingEmployee -> existingEmployee.getUuid().equals(employee.getUuid())).findFirst().get();
+		// Find the existing employee data matching the current employee's UUID
+		Employee existingEmpData = existingEmployeesData.stream()
+				.filter(existingEmployee -> existingEmployee.getUuid().equals(employee.getUuid()))
+				.findFirst()
+				.get();
 
+		// Set the user's username to the employee's code
 		employee.getUser().setUserName(employee.getCode());
+
+		// Set the user's active status based on the employee's isActive status
 		if(!employee.getIsActive())
 			employee.getUser().setActive(false);
 		else

core-services/egov-hrms/src/main/java/org/egov/hrms/service/IndividualService.java

@@ -70,29 +70,64 @@ public UserResponse createUser(UserRequest userRequest) {
         return userResponse;
     }
 
+    /**
+     * Updates a user by searching for the corresponding individual and updating their details.
+     *
+     * Steps:
+     * 1. Map UserRequest to IndividualSearchRequest.
+     * 2. Fetch individual data using tenant ID and search request.
+     * 3. Return null if no individual is found.
+     * 4. Prepare an IndividualRequest for update.
+     * 5. Construct the update endpoint URI.
+     * 6. Perform REST call to update individual.
+     * 7. Map response to UserResponse if successful.
+     * 8. Return UserResponse.
+     * TODO FIXME
+     * @param userRequest The request object containing user details to be updated.
+     * @return UserResponse containing updated user information, or null if no individual was found.
+     */
     @Override
     public UserResponse updateUser(UserRequest userRequest) {
+        // Map the UserRequest to an IndividualSearchRequest
         IndividualSearchRequest individualSearchRequest = mapToIndividualSearchRequest(userRequest);
+
+        // Fetch the individual response from the individual service
         IndividualBulkResponse individualSearchResponse =
                 getIndividualResponse(userRequest.getUser().getTenantId(), individualSearchRequest);
+
         UserResponse userResponse = null;
-        if (individualSearchResponse == null || individualSearchResponse.getIndividual() == null || individualSearchResponse.getIndividual().size() == 0) {
-            return userResponse;
+
+        // Check if the individual search response is null or contains no individuals
+        if (individualSearchResponse == null || individualSearchResponse.getIndividual() == null || individualSearchResponse.getIndividual().isEmpty()) {
+            return userResponse;  // Return null if no individual is found
         }
+
+        // Get the first individual from the search response
         Individual individual = individualSearchResponse.getIndividual().get(0);
+
+        // Map the found individual and the user request to an IndividualRequest for update
         IndividualRequest updateRequest = mapToIndividualUpdateRequest(individual, userRequest);
+
+        // Build the URI for the update endpoint
         StringBuilder uri = new StringBuilder();
         uri.append(propertiesManager.getIndividualHost());
         uri.append(propertiesManager.getIndividualUpdateEndpoint());
+
+        // Make a REST call to update the individual
         IndividualResponse response = restCallRepository
                 .fetchResult(uri, updateRequest, IndividualResponse.class);
+
+        // If the response is not null and contains an updated individual, map it to UserResponse
         if (response != null && response.getIndividual() != null) {
-            log.info("response received from individual service");
+            log.info("Response received from individual service");
             userResponse = mapToUserResponse(response);
         }
+
+        // Return the UserResponse
         return userResponse;
     }
 
+
     private IndividualRequest mapToIndividualUpdateRequest(Individual individual, UserRequest userRequest) {
         Individual updatedIndividual = Individual.builder()
                 .id(individual.getId())

core-services/egov-hrms/src/main/java/org/egov/hrms/web/controller/EmployeeController.java

@@ -92,7 +92,6 @@ public ResponseEntity<?> create(@RequestBody @Valid EmployeeRequest employeeRequ
 	 * EmployeeResponse type or ErrorResponse type
 	 *
 	 * @param employeeRequest
-	 * @param bindingResult
 	 * @return ResponseEntity<?>
 	 */
 	@PostMapping(value = "/_update")