public async Task <IReadOnlyCollection <BalanceUpdateAggregate> > GetAsync( DateTime from, DateTime to) { var balanceUpdates = new List <BalanceUpdateAggregate>(); foreach (var rangeQuery in GetRangeQueries(from, to)) { var continuationToken = (string)null; do { IEnumerable <BalanceUpdateEntity> entities; (entities, continuationToken) = await _balanceUpdateTable .GetDataWithContinuationTokenAsync(rangeQuery, 1000, continuationToken); balanceUpdates.AddRange(entities.Select(x => BalanceUpdateAggregate.CreateOrRestore ( x.EventTimestamp, x.NewBalance, x.WalletId ))); } while (continuationToken != null); } return(balanceUpdates); }
public Task RegisterBalanceUpdateAsync( Guid walletId, DateTime eventTimestamp, decimal newBalance) { return(_balanceUpdateRepository.SaveAsync(BalanceUpdateAggregate.CreateOrRestore ( eventTimestamp: eventTimestamp, newBalance: newBalance, walletId: walletId) )); }
public async Task ImportBalancesAsync() { var balanceUpdateBatches = _meLogReader.GetBalanceUpdates() .SelectMany ( x => x.BalanceUpdates .Where(b => b.AssetId == _neoAssetId) .Select(b => new { Date = x.Header.Timestamp.UtcDateTime, WalletId = b.WalletId, NewBalance = b.NewBalance }) ) .GroupBy(x => BalanceUpdateRepository.GetPartitionKey(x.Date)); _log.Info($"Starting asset {_neoAssetId} balance updates import..."); var batchesCounter = 0; var balanceUpdatesCounter = 0; try { foreach (var balanceUpdatesGroup in balanceUpdateBatches) { foreach (var balanceUpdatesBatch in balanceUpdatesGroup.Batch(1000)) { var aggregates = balanceUpdatesBatch .Select(x => BalanceUpdateAggregate.CreateOrRestore ( eventTimestamp: x.Date, newBalance: x.NewBalance, walletId: x.WalletId )) .Distinct(BalanceUpdateAggregateComparer.Instance) .ToArray(); await _balanceUpdateRepository.SaveBatchAsync(aggregates); balanceUpdatesCounter += aggregates.Count(); _log.Info($"{++batchesCounter} balance update batches and {balanceUpdatesCounter} balances have been imported."); } } _log.Info($"Balance updates import has been completed. {balanceUpdatesCounter} balance updates have been imported."); } catch (Exception e) { _log.Error(e, "Balance updates import failed."); } }