public override long GetPreviousTransactionId(Transaction transaction)
{
PreviousAccountTransaction.GetPreviousTransactionId(transaction, out var previousTransactionId);
return(previousTransactionId);
}
// active polling is meh, should be replace by a simple notification server, but it's ok for now
async Task PollLoop()
{
var profileInfo = (await ProfileManager.Current.GetProfileData(AccountId, ProfileDownloadType.ForceDownload, false)).ProfileInfo;
if (profileInfo != null)
{
ProfileInfo = profileInfo;
}
await DownloadInboxRecords(AccountId);
await QueryMissingProfiles();
while (true)
{
try
{
await DownloadFriends(false);
var save = false;
var lastAccountTransaction = (await PreviousAccountTransaction.DownloadLastTransactionInfo(_client, ChainType.Data, ChainId, MessageServiceInfo.MessageDataChainIndex, AccountId))?.Item;
var lastReceiverTransaction = (await Receiver.DownloadLastTransactionInfo(_client, ChainType.Data, ChainId, MessageServiceInfo.MessageDataChainIndex, AccountId))?.Item;
if (_lastAccountTransaction == null)
{
_lastAccountTransaction = lastAccountTransaction;
save = true;
}
if (_lastReceivedTransaction == null)
{
_lastReceivedTransaction = lastReceiverTransaction;
save = true;
}
var result = new PollResult();
if (lastAccountTransaction != null)
{
if (lastAccountTransaction.TransactionId > _lastAccountTransaction.TransactionId)
{
var download = new AccountTransactionDownload(AccountId, ServiceNode.GetTransactionDownloadManager(MessageServiceInfo.MessageDataChainIndex))
{
MinimalTransactionId = Math.Max(1, _lastAccountTransaction.TransactionId)
};
if (await Poll(download, result))
{
_lastAccountTransaction = lastAccountTransaction;
save = true;
}
}
}
if (lastReceiverTransaction != null)
{
if (lastReceiverTransaction.TransactionId > _lastReceivedTransaction.TransactionId)
{
var download = new ReceiverTransactionDownload(AccountId, ServiceNode.GetTransactionDownloadManager(MessageServiceInfo.MessageDataChainIndex))
{
MinimalTransactionId = Math.Max(1, _lastReceivedTransaction.TransactionId)
};
if (await Poll(download, result))
{
_lastReceivedTransaction = lastReceiverTransaction;
save = true;
}
}
}
if (result.UpdateFriends)
{
await DownloadFriends(false);
}
foreach (var index in result.Indices)
{
var chat = GetChat(index, true);
if (!IsNodeChat(chat))
{
_chats[chat.Index] = chat;
GenerateSubmitAccount(index);
await GenerateDefaultExchangeKeys();
}
await chat.DownloadMessages(false);
}
if (result.Indices.Count > 0)
{
await UIApp.PubSub.PublishAsync(new MessageNodeRefreshEvent(this));
}
if (save)
{
await SaveAsync();
}
await Task.Delay(5000);
}
catch (Exception ex)
{
Log.HandleException(ex);
}
}
}
public override async Task <Result> GetLastTransactionId()
{
return(await PreviousAccountTransaction.DownloadLastTransactionInfo(_client, ChainType, ChainId, ChainIndex, AccountId));
}