importcontacts

[HttpPost]
        public ActionResult ImportContacts()
        {
            // For the purposes of this example, the dictionary key represents the contact identifier
            // and the value represents their first name
            var contacts = new Dictionary<string, string>();

            contacts.Add("martina_welander", "Martina");
            contacts.Add("bob_mcbob", "Bob");

            ContactRepository contactRepository = Factory.CreateObject("tracking/contactRepository", true) as ContactRepository;
            ContactManager contactManager = Factory.CreateObject("tracking/contactManager", true) as ContactManager;
            Assert.IsNotNull(contactRepository, "contactRepository");
            Assert.IsNotNull(contactManager, "contactManager");

            foreach (var contactDataToImport in contacts)
            {
                // This attempts to lock the contact to this particular job for a five seconds
                LeaseOwner leaseOwner = new LeaseOwner("CustomImportJob-" + Guid.NewGuid().ToString(), LeaseOwnerType.OutOfRequestWorker);
                TimeSpan leaseDuration = TimeSpan.FromSeconds(5.0);

                var result = contactRepository.TryLoadContact(contactDataToImport.Key, leaseOwner, leaseDuration);

                Contact contact = null;

                switch (result.Status)
                {
                    // If the contact is already locked, you need to update the contact in the context of a session
                    // on the cluster where they currently have an active session
                    // get the name of the cluster that they are locked to - note that in a production
                    // environment, cluster names are URIs (e.g. cluster1.domain.com)
                    case LockAttemptStatus.AlreadyLocked:
                        if (result.LockedBy.Type == LeaseOwnerType.WebCluster)
                        {
                            var clusterName = result.LockedBy.Identifier;

                            using (WebClient client = new WebClient())
                            {
                                string url = "http://" + clusterName + "/sitecore/Contacts.ashx?cid=" + contactDataToImport.Key + "&firstname=" + contactDataToImport.Value;
                                bool success = bool.Parse(client.DownloadString(url));
                            }
                            break;
                        }
                        throw new NotSupportedException();

                    case LockAttemptStatus.Success:
                        contact = result.Object;
                        break;
                    case LockAttemptStatus.NotFound:
                        // Contact does not exist - create new contact
                        contact = contactRepository.CreateContact(Guid.NewGuid());
                        contact.Identifiers.Identifier = contactDataToImport.Key;
                        contact.Identifiers.IdentificationLevel = ContactIdentificationLevel.Known;
                        // You should always set ContactSaveMode to AlwaysSave; NeverSave is reserved for robots
                        contact.ContactSaveMode = ContactSaveMode.AlwaysSave;
                        break;
                }
                if (contact != null)
                {
                    var personalFacet = contact.GetFacet<IContactPersonalInfo>("Personal");
                    personalFacet.FirstName = contactDataToImport.Value;

                    contactRepository.SaveContact(contact, new ContactSaveOptions(true, leaseOwner, null));
                }
            }
        }