Using Database.UpsertResult in unit of work - Salesforce

<!-- Custom Helper Class for ObjectA and ObjectB -->
public class UpsertUnitOfWorkHelper implements fflib_SObjectUnitOfWork.IDoWork {
    public Database.UpsertResult[] Results { get; private set; }

    private List<SObject> m_records;

    public UpsertUnitOfWorkHelper() {
        m_records = new List<SObject>();
    }

    public void registerSObjectUpsert(SObject record) {
        m_records.add(record);
    }

    public void doWork() {
        Results = Database.upsert(m_records, false); // False for partial success
    }

    // Helper method to get error details
    public List<String> getErrorDetails() {
        List<String> errors = new List<String>();
        for (Database.UpsertResult result : Results) {
            if (!result.isSuccess()) {
                for (Database.Error error : result.getErrors()) {
                    errors.add('Error in record ' + result.getId() + ': ' + error.getMessage());
                }
            }
        }
        return errors;
    }
}

<!-- Using the Unit of Work for ObjectA and ObjectB -->
// Create Unit Of Work
fflib_SObjectUnitOfWork uow = new fflib_SObjectUnitOfWork(
    new Schema.SObjectType[] {
        ObjectA__c.SObjectType,
        ObjectB__c.SObjectType
    }
);

// Register custom work for ObjectA and ObjectB
UpsertUnitOfWorkHelper upsertWork = new UpsertUnitOfWorkHelper();
uow.registerWork(upsertWork);

// Prepare records for upsert
ObjectA__c objARecord = new ObjectA__c(Name = 'Test A', CustomField__c = 'Value A');
ObjectB__c objBRecord = new ObjectB__c(Name = 'Test B', LookupField__c = objARecord.Id);

// Register records with the helper
upsertWork.registerSObjectUpsert(objARecord);
upsertWork.registerSObjectUpsert(objBRecord);

// Commit work
uow.commitWork();

// Retrieve results
Database.UpsertResult[] results = upsertWork.Results;

// Check for errors
List<String> errors = upsertWork.getErrorDetails();
if (!errors.isEmpty()) {
    System.debug('Upsert Errors: ' + errors);
} else {
    System.debug('All records upserted successfully.');
}