private async Task Handle(MtCoreFinishAccountsDeletionCommand command, IEventPublisher publisher) { var executionInfo = await _operationExecutionInfoRepository.GetAsync <DeleteAccountsOperationData>( operationName : OperationName, id : command.OperationId ); if (executionInfo == null) { return; } if (executionInfo.Data.SwitchState(OperationState.Started, OperationState.Finished)) { foreach (var failedAccountId in command.FailedAccountIds) { try { var account = _accountsCacheService.Get(failedAccountId); await UpdateAccount(account, false, r => { }, command.Timestamp); } catch (Exception exception) { await _log.WriteErrorAsync(nameof(DeleteAccountsCommandsHandler), nameof(MtCoreFinishAccountsDeletionCommand), exception); } } foreach (var accountId in command.AccountIds) { _accountsCacheService.Remove(accountId); } publisher.PublishEvent(new MtCoreDeleteAccountsFinishedEvent(command.OperationId, _dateService.Now())); _chaosKitty.Meow($"{nameof(MtCoreFinishAccountsDeletionCommand)}: " + "Save_OperationExecutionInfo: " + $"{command.OperationId}"); await _operationExecutionInfoRepository.Save(executionInfo); } }
public async Task Handle(AccountChangedEvent e) { var executionInfo = await _operationExecutionInfoRepository.GetOrAddAsync( operationName : OperationName, operationId : e.OperationId, factory : () => new OperationExecutionInfo <OperationData>( operationName: OperationName, id: e.OperationId, lastModified: _dateService.Now(), data: new OperationData { State = OperationState.Initiated } )); if (executionInfo.Data.SwitchState(OperationState.Initiated, OperationState.Finished)) { var updatedAccount = Convert(e.Account); switch (e.EventType) { case AccountChangedEventTypeContract.Created: _accountsCacheService.TryAddNew(MarginTradingAccount.Create(updatedAccount)); break; case AccountChangedEventTypeContract.Updated: { var account = _accountsCacheService.TryGet(e.Account.Id); if (await ValidateAccount(account, e) && await _accountsCacheService.UpdateAccountChanges(updatedAccount.Id, updatedAccount.TradingConditionId, updatedAccount.WithdrawTransferLimit, updatedAccount.IsDisabled, updatedAccount.IsWithdrawalDisabled, e.ChangeTimestamp)) { _accountUpdateService.RemoveLiquidationStateIfNeeded(e.Account.Id, "Trading conditions changed"); } break; } case AccountChangedEventTypeContract.BalanceUpdated: { if (e.BalanceChange != null) { var account = _accountsCacheService.TryGet(e.Account.Id); if (await ValidateAccount(account, e)) { switch (e.BalanceChange.ReasonType) { case AccountBalanceChangeReasonTypeContract.Withdraw: await _accountUpdateService.UnfreezeWithdrawalMargin(updatedAccount.Id, e.BalanceChange.Id); break; case AccountBalanceChangeReasonTypeContract.UnrealizedDailyPnL: if (_ordersCache.Positions.TryGetPositionById(e.BalanceChange.EventSourceId, out var position)) { position.ChargePnL(e.BalanceChange.Id, e.BalanceChange.ChangeAmount); } else { _log.WriteWarning("AccountChangedEvent Handler", e.ToJson(), $"Position [{e.BalanceChange.EventSourceId} was not found]"); } break; case AccountBalanceChangeReasonTypeContract.RealizedPnL: await _accountUpdateService.UnfreezeUnconfirmedMargin(e.Account.Id, e.BalanceChange.EventSourceId); break; } if (await _accountsCacheService.UpdateAccountBalance(updatedAccount.Id, e.BalanceChange.Balance, e.ChangeTimestamp)) { _accountUpdateService.RemoveLiquidationStateIfNeeded(e.Account.Id, "Balance updated"); _accountBalanceChangedEventChannel.SendEvent(this, new AccountBalanceChangedEventArgs(updatedAccount)); } } } else { _log.WriteWarning("AccountChangedEvent Handler", e.ToJson(), "BalanceChange info is empty"); } break; } case AccountChangedEventTypeContract.Deleted: //account deletion from cache is double-handled by CQRS flow _accountsCacheService.Remove(e.Account.Id); break; default: await _log.WriteErrorAsync(nameof(AccountsProjection), nameof(AccountChangedEvent), e.ToJson(), new Exception("AccountChangedEventTypeContract was in incorrect state")); break; } _chaosKitty.Meow(e.OperationId); await _operationExecutionInfoRepository.Save(executionInfo); } }