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nutchayut
2024-05-31 00:38:31 +07:00
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OCPP.Core.Server/ControllerOCPP16.StopTransaction.cs Normal file
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/*
* OCPP.Core - https://github.com/dallmann-consulting/OCPP.Core
* Copyright (C) 2020-2021 dallmann consulting GmbH.
* All Rights Reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using OCPP.Core.Database;
using OCPP.Core.Server.Messages_OCPP16;
namespace OCPP.Core.Server
{
public partial class ControllerOCPP16
{
public string HandleStopTransaction(OCPPMessage msgIn, OCPPMessage msgOut)
{
string errorCode = null;
StopTransactionResponse stopTransactionResponse = new StopTransactionResponse();
stopTransactionResponse.IdTagInfo = new IdTagInfo();
try
{
Logger.LogTrace("Processing stopTransaction request...");
StopTransactionRequest stopTransactionRequest = DeserializeMessage<StopTransactionRequest>(msgIn);
Logger.LogTrace("StopTransaction => Message deserialized");
string idTag = CleanChargeTagId(stopTransactionRequest.IdTag, Logger);
if (string.IsNullOrWhiteSpace(idTag))
{
// no RFID-Tag => accept request
stopTransactionResponse.IdTagInfo.Status = IdTagInfoStatus.Accepted;
Logger.LogInformation("StopTransaction => no charge tag => Status: {0}", stopTransactionResponse.IdTagInfo.Status);
}
else
{
stopTransactionResponse.IdTagInfo.ExpiryDate = MaxExpiryDate;
try
{
ChargeTag ct = DbContext.Find<ChargeTag>(idTag);
if (ct != null)
{
if (ct.ExpiryDate.HasValue) stopTransactionResponse.IdTagInfo.ExpiryDate = ct.ExpiryDate.Value;
stopTransactionResponse.IdTagInfo.ParentIdTag = ct.ParentTagId;
if (ct.Blocked.HasValue && ct.Blocked.Value)
{
stopTransactionResponse.IdTagInfo.Status = IdTagInfoStatus.Blocked;
}
else if (ct.ExpiryDate.HasValue && ct.ExpiryDate.Value < DateTime.Now)
{
stopTransactionResponse.IdTagInfo.Status = IdTagInfoStatus.Expired;
}
else
{
stopTransactionResponse.IdTagInfo.Status = IdTagInfoStatus.Accepted;
}
}
else
{
stopTransactionResponse.IdTagInfo.Status = IdTagInfoStatus.Invalid;
}
Logger.LogInformation("StopTransaction => RFID-tag='{0}' => Status: {1}", idTag, stopTransactionResponse.IdTagInfo.Status);
}
catch (Exception exp)
{
Logger.LogError(exp, "StopTransaction => Exception reading charge tag ({0}): {1}", idTag, exp.Message);
stopTransactionResponse.IdTagInfo.Status = IdTagInfoStatus.Invalid;
}
}
if (stopTransactionResponse.IdTagInfo.Status == IdTagInfoStatus.Accepted)
{
try
{
Transaction transaction = DbContext.Find<Transaction>(stopTransactionRequest.TransactionId);
if (transaction != null &&
transaction.ChargePointId == ChargePointStatus.Id &&
!transaction.StopTime.HasValue)
{
if (transaction.ConnectorId > 0)
{
// Update meter value in db connector status
UpdateConnectorStatus(transaction.ConnectorId, null, null, (double)stopTransactionRequest.MeterStop / 1000, stopTransactionRequest.Timestamp);
}
// check current tag against start tag
bool valid = true;
if (!string.Equals(transaction.StartTagId, idTag, StringComparison.InvariantCultureIgnoreCase))
{
// tags are different => same group?
ChargeTag startTag = DbContext.Find<ChargeTag>(transaction.StartTagId);
if (startTag != null)
{
if (!string.Equals(startTag.ParentTagId, stopTransactionResponse.IdTagInfo.ParentIdTag, StringComparison.InvariantCultureIgnoreCase))
{
Logger.LogInformation("StopTransaction => Start-Tag ('{0}') and End-Tag ('{1}') do not match: Invalid!", transaction.StartTagId, idTag);
stopTransactionResponse.IdTagInfo.Status = IdTagInfoStatus.Invalid;
valid = false;
}
else
{
Logger.LogInformation("StopTransaction => Different RFID-Tags but matching group ('{0}')", stopTransactionResponse.IdTagInfo.ParentIdTag);
}
}
else
{
Logger.LogError("StopTransaction => Start-Tag not found: '{0}'", transaction.StartTagId);
// assume "valid" and allow to end the transaction
}
}
if (valid)
{
transaction.StopTagId = idTag;
transaction.MeterStop = (double)stopTransactionRequest.MeterStop / 1000; // Meter value here is always Wh
transaction.StopReason = stopTransactionRequest.Reason.ToString();
transaction.StopTime = stopTransactionRequest.Timestamp.UtcDateTime;
DbContext.SaveChanges();
}
}
else
{
Logger.LogError("StopTransaction => Unknown or not matching transaction: id={0} / chargepoint={1} / tag={2}", stopTransactionRequest.TransactionId, ChargePointStatus?.Id, idTag);
WriteMessageLog(ChargePointStatus?.Id, transaction?.ConnectorId, msgIn.Action, string.Format("UnknownTransaction:ID={0}/Meter={1}", stopTransactionRequest.TransactionId, stopTransactionRequest.MeterStop), errorCode);
errorCode = ErrorCodes.PropertyConstraintViolation;
}
}
catch (Exception exp)
{
Logger.LogError(exp, "StopTransaction => Exception writing transaction: chargepoint={0} / tag={1}", ChargePointStatus?.Id, idTag);
errorCode = ErrorCodes.InternalError;
}
}
msgOut.JsonPayload = JsonConvert.SerializeObject(stopTransactionResponse);
Logger.LogTrace("StopTransaction => Response serialized");
}
catch (Exception exp)
{
Logger.LogError(exp, "StopTransaction => Exception: {0}", exp.Message);
errorCode = ErrorCodes.FormationViolation;
}
WriteMessageLog(ChargePointStatus?.Id, null, msgIn.Action, stopTransactionResponse.IdTagInfo?.Status.ToString(), errorCode);
return errorCode;
}
}
}