public async Task <int?> ImportContact(string phoneNumber)
{
var request = new ImportContactRequest(new InputPhoneContactConstructor(0, phoneNumber, "My Test Name", string.Empty));
await _sender.Send(request);
await _sender.Recieve(request);
var importedUser = request.users.FirstOrDefault();
return(importedUser == null ? (int?)null : ((UserContactConstructor)importedUser).id);
}
public async Task <int?> ImportContactByPhoneNumber(string phoneNumber)
{
if (!validateNumber(phoneNumber))
{
throw new InvalidOperationException("Invalid phone number. It should be only digit string, from 5 to 20 digits.");
}
var request = new ImportContactRequest(new InputPhoneContactConstructor(0, phoneNumber, "My Test Name", String.Empty));
await _sender.Send(request);
await _sender.Recieve(request);
var importedUser = (ImportedContactConstructor)request.imported.FirstOrDefault();
return(importedUser?.user_id);
}