private async Task <bool> UpdateAccount(IMarginTradingAccount account, bool toDisablementState, Action <string> failHandler, DateTime commandTime) { try { await _accountsCacheService.UpdateAccountChanges(account.Id, account.TradingConditionId, account.WithdrawTransferLimit, toDisablementState, toDisablementState, commandTime); } catch (Exception exception) { await _log.WriteErrorAsync(nameof(DeleteAccountsCommandsHandler), nameof(DeleteAccountsCommandsHandler), exception.Message, exception); failHandler(exception.Message); return(false); } return(true); }
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); } }