EVCB_OCPP.OCPPServer.16J/EVCB_OCPP.WSServer/Message/CoreProfileHandler.cs

using EVCB_OCPP.Domain;
using EVCB_OCPP.Domain.Models.Database;
using EVCB_OCPP.Packet.Features;
using EVCB_OCPP.Packet.Messages;
using EVCB_OCPP.Packet.Messages.Core;
using EVCB_OCPP.Packet.Messages.SubTypes;
using EVCB_OCPP.WSServer.Dto;
using EVCB_OCPP.WSServer.Service;
using Newtonsoft.Json;
using NLog;
using OCPPPackage.Profiles;
using OCPPServer.Protocol;
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Data.SqlClient;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;

namespace EVCB_OCPP.WSServer.Message
{

    internal partial class ProfileHandler
    {
        static private ILogger logger = NLog.LogManager.GetCurrentClassLogger();


        async internal Task<MessageResult> ExecuteCoreRequest(Actions action, ClientData session, IRequest request)
        {
            Stopwatch watch = new Stopwatch();
            if (action == Actions.Heartbeat)
            {
                watch.Start();
            }
            MessageResult result = new MessageResult() { Success = false };

            try
            {
                switch (action)
                {
                    case Actions.DataTransfer:
                        {


                            var confirm = new DataTransferConfirmation() { status = DataTransferStatus.Accepted };

                            result.Message = confirm;
                            result.Success = true;
                        }
                        break;
                    case Actions.BootNotification:
                        {
                            BootNotificationRequest _request = request as BootNotificationRequest;
                            int heartbeat_interval = GlobalConfig.GetHEARTBEAT_INTERVAL();
                            using (var db = new MainDBContext())
                            {
                                var _machine = db.Machine.Where(x => x.ChargeBoxId == session.ChargeBoxId).FirstOrDefault();
                                _machine.ChargeBoxSerialNumber = string.IsNullOrEmpty(_request.chargeBoxSerialNumber) ? string.Empty : _request.chargeBoxSerialNumber;
                                _machine.ChargePointSerialNumber = string.IsNullOrEmpty(_request.chargePointSerialNumber) ? string.Empty : _request.chargePointSerialNumber;
                                _machine.ChargePointModel = string.IsNullOrEmpty(_request.chargePointModel) ? string.Empty : _request.chargePointModel;
                                _machine.ChargePointVendor = string.IsNullOrEmpty(_request.chargePointVendor) ? string.Empty : _request.chargePointVendor;
                                _machine.FW_CurrentVersion = string.IsNullOrEmpty(_request.firmwareVersion) ? string.Empty : _request.firmwareVersion;
                                //_machine.Iccid = string.IsNullOrEmpty(_request.iccid) ? string.Empty : _request.iccid;
                                _machine.Iccid = DateTime.UtcNow.ToString("yy-MM-dd HH:mm");
                                _machine.Imsi = string.IsNullOrEmpty(_request.imsi) ? string.Empty : _request.imsi;
                                _machine.MeterSerialNumber = string.IsNullOrEmpty(_request.meterSerialNumber) ? string.Empty : _request.meterSerialNumber;
                                _machine.MeterType = string.IsNullOrEmpty(_request.meterType) ? string.Empty : _request.meterType;

                                db.SaveChanges();



                                var configVaule = db.MachineConfiguration.Where(x => x.ChargeBoxId == session.ChargeBoxId && x.ConfigureName == StandardConfiguration.HeartbeatInterval)
                                    .Select(x => x.ConfigureSetting).FirstOrDefault();

                                if (configVaule != null)
                                {
                                    int.TryParse(configVaule, out heartbeat_interval);
                                }
                            }
                            var confirm = new BootNotificationConfirmation() { currentTime = DateTime.UtcNow, interval = session.IsPending ? heartbeat_interval : 5, status = session.IsPending ? Packet.Messages.SubTypes.RegistrationStatus.Accepted : RegistrationStatus.Pending };

                            session.IsPending = !session.IsPending;
                            result.Message = confirm;
                            result.Success = true;
                        }
                        break;
                    case Actions.StatusNotification:
                        {
                            //只保留最新上報狀況
                            StatusNotificationRequest _request = request as StatusNotificationRequest;
                            int preStatus = 0;
                            using (var db = new MainDBContext())
                            {
                                var _oldStatus = db.ConnectorStatus.Where(x => x.ChargeBoxId == session.ChargeBoxId
                              && x.ConnectorId == _request.connectorId).AsNoTracking().FirstOrDefault();


                                if (_oldStatus != null && (_request.status != (ChargePointStatus)_oldStatus.Status || _request.status == ChargePointStatus.Faulted))
                                {

                                    preStatus = _oldStatus.Status;

                                    db.Configuration.AutoDetectChangesEnabled = false;
                                    db.Configuration.ValidateOnSaveEnabled = false;
                                    db.ConnectorStatus.Attach(_oldStatus);


                                    _oldStatus.CreatedOn = _request.timestamp.HasValue ? _request.timestamp.Value : DateTime.UtcNow;
                                    _oldStatus.Status = (int)_request.status;
                                    _oldStatus.ChargePointErrorCodeId = (int)_request.errorCode;
                                    _oldStatus.ErrorInfo = string.IsNullOrEmpty(_request.info) ? string.Empty : _request.info;
                                    _oldStatus.VendorId = string.IsNullOrEmpty(_request.vendorId) ? string.Empty : _request.vendorId;
                                    _oldStatus.VendorErrorCode = string.IsNullOrEmpty(_request.vendorErrorCode) ? string.Empty : _request.vendorErrorCode;


                                    db.Entry(_oldStatus).Property(x => x.CreatedOn).IsModified = true;
                                    db.Entry(_oldStatus).Property(x => x.Status).IsModified = true;
                                    db.Entry(_oldStatus).Property(x => x.ChargePointErrorCodeId).IsModified = true;
                                    db.Entry(_oldStatus).Property(x => x.ErrorInfo).IsModified = true;
                                    db.Entry(_oldStatus).Property(x => x.VendorId).IsModified = true;
                                    db.Entry(_oldStatus).Property(x => x.VendorErrorCode).IsModified = true;


                                }

                                if (_oldStatus == null)
                                {
                                    var _currentStatus = new Domain.Models.Database.ConnectorStatus()
                                    {
                                        ChargeBoxId = session.ChargeBoxId,
                                        ConnectorId = (byte)_request.connectorId,
                                        CreatedOn = _request.timestamp.HasValue ? _request.timestamp.Value : DateTime.UtcNow,
                                        Status = (int)_request.status,
                                        ChargePointErrorCodeId = (int)_request.errorCode,
                                        ErrorInfo = string.IsNullOrEmpty(_request.info) ? string.Empty : _request.info,
                                        VendorId = string.IsNullOrEmpty(_request.vendorId) ? string.Empty : _request.vendorId,
                                        VendorErrorCode = string.IsNullOrEmpty(_request.vendorErrorCode) ? string.Empty : _request.vendorErrorCode,
                                        Id = Guid.NewGuid().ToString()
                                    };
                                    db.ConnectorStatus.Add(_currentStatus);

                                }
                                if (_request.status == Packet.Messages.SubTypes.ChargePointStatus.Faulted)
                                {
                                    db.MachineError.Add(new MachineError()
                                    {
                                        ConnectorId = (byte)_request.connectorId,
                                        CreatedOn = _request.timestamp.HasValue ? _request.timestamp.Value : DateTime.UtcNow,
                                        Status = (int)_request.status,
                                        ChargeBoxId = session.ChargeBoxId,
                                        ErrorCodeId = (int)_request.errorCode,
                                        ErrorInfo = string.IsNullOrEmpty(_request.info) ? string.Empty : _request.info,
                                        PreStatus = _oldStatus == null ? -1 : preStatus,
                                        VendorErrorCode = string.IsNullOrEmpty(_request.vendorErrorCode) ? string.Empty : _request.vendorErrorCode,
                                        VendorId = string.IsNullOrEmpty(_request.vendorId) ? string.Empty : _request.vendorId
                                    });
                                }
                                db.SaveChanges();
                            }


                            if (_request.status == Packet.Messages.SubTypes.ChargePointStatus.Faulted)
                            {
                                var businessService = BusinessServiceFactory.CreateBusinessService(session.CustomerId.ToString());
                                var notification = businessService.NotifyFaultStatus(new ErrorDetails()
                                {
                                    ChargeBoxId = session.ChargeBoxId,
                                    ConnectorId = _request.connectorId,
                                    ErrorCode = _request.errorCode,
                                    Info = string.IsNullOrEmpty(_request.info) ? string.Empty : _request.info,
                                    OCcuredOn = _request.timestamp ?? DateTime.UtcNow,
                                    VendorErrorCode = string.IsNullOrEmpty(_request.vendorErrorCode) ? string.Empty : _request.vendorErrorCode,

                                });
                            }

                            var confirm = new StatusNotificationConfirmation() { };
                            result.Message = confirm;
                            result.Success = true;
                        }
                        break;
                    case Actions.Heartbeat:
                        {

                            var confirm = new HeartbeatConfirmation() { currentTime = DateTime.UtcNow };
                            result.Message = confirm;
                            result.Success = true;
                        }
                        break;
                    case Actions.MeterValues:
                        {

                            MeterValuesRequest _request = request as MeterValuesRequest;
                            decimal energy_kwh = 0;

                            if (_request.meterValue.Count > 0)
                            {
                                using (var db = new MeterValueDBContext())
                                {
                                    foreach (var item in _request.meterValue)
                                    {
                                        foreach (var sampleVaule in item.sampledValue)
                                        {

                                            decimal value = Convert.ToDecimal(sampleVaule.value);

                                            if (sampleVaule.context == ReadingContext.Sample_Periodic && sampleVaule.measurand == Measurand.Energy_Active_Import_Interval)
                                            {
                                                energy_kwh = sampleVaule.unit == UnitOfMeasure.Wh ? Decimal.Divide(value, 1000) : value;
                                            }

                                            string sp = "[dbo].[uspInsertMeterValueRecord] @ChargeBoxId," +
                         "@ConnectorId,@Value,@CreatedOn,@ContextId,@FormatId,@MeasurandId,@PhaseId,@LocationId,@UnitId,@TransactionId";

                                            List<SqlParameter> parameter = new List<SqlParameter>
                                        {
                                              new SqlParameter("ChargeBoxId",session.ChargeBoxId),
                                              new SqlParameter("ConnectorId",  (byte)_request.connectorId),
                                              new SqlParameter("Value",value),
                                              new SqlParameter("CreatedOn",item.timestamp),
                                              new SqlParameter("ContextId",sampleVaule.context.HasValue ? (int)sampleVaule.context : 0),
                                              new SqlParameter("FormatId",sampleVaule.format.HasValue ? (int)sampleVaule.format : 0),
                                              new SqlParameter("MeasurandId",sampleVaule.measurand.HasValue ? (int)sampleVaule.measurand : 0),
                                              new SqlParameter("PhaseId",sampleVaule.phase.HasValue ? (int)sampleVaule.phase : 0),
                                              new SqlParameter("LocationId",sampleVaule.location.HasValue ? (int)sampleVaule.location : 0),
                                              new SqlParameter("UnitId",sampleVaule.unit.HasValue ? (int)sampleVaule.unit : 0),
                                              new SqlParameter("TransactionId",_request.transactionId.HasValue?_request.transactionId:-1),
                                          };


                                            db.Database.ExecuteSqlCommand(sp, parameter.ToArray());




                                        }

                                    }
                                }
                            }

                            //  if (energy_kwh > 0)
                            {
                                try
                                {
                                    if (session.IsBilling)
                                        if (session.IsBilling)
                                        {
                                            using (var db = new MainDBContext())
                                            {
                                                db.ServerMessage.Add(new ServerMessage()
                                                {
                                                    ChargeBoxId = session.ChargeBoxId,
                                                    CreatedBy = "Server",
                                                    CreatedOn = DateTime.UtcNow,
                                                    OutAction = Actions.DataTransfer.ToString(),
                                                    OutRequest = JsonConvert.SerializeObject(
                                                            new DataTransferRequest()
                                                            {
                                                                messageId = "ID_TxEnergy",
                                                                vendorId = "Phihong Technology",
                                                                data = JsonConvert.SerializeObject(new { txId = _request.transactionId, ConnectorId = _request.connectorId })
                                                            },
                                                            new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore, Formatting = Formatting.None }),
                                                    SerialNo = Guid.NewGuid().ToString(),
                                                    InMessage = string.Empty

                                                });

                                                db.SaveChanges();
                                            }
                                        }


                                }
                                catch (Exception ex)
                                {

                                    Console.WriteLine(string.Format("{0} :{1}", session.ChargeBoxId + " RunningCost", ex.Message));

                                }

                            }

                            var confirm = new MeterValuesConfirmation() { };
                            result.Message = confirm;
                            result.Success = true;
                        }
                        break;
                    case Actions.StartTransaction:
                        {

                            StartTransactionRequest _request = request as StartTransactionRequest;

                            int _transactionId = -1;

                            var businessService = BusinessServiceFactory.CreateBusinessService(session.CustomerId.ToString());
                            var _idTagInfo = _request.idTag == "Backend" ? new IdTagInfo() { expiryDate = DateTime.UtcNow.AddDays(1), status = AuthorizationStatus.Accepted } : await businessService.Authorize(session.ChargeBoxId, _request.idTag);
                            //特例****飛宏客戶旗下的電樁，若遇到Portal沒回應的狀況 ~允許充電
                            if (session.CustomerId.ToString().ToUpper() == "8456AED9-6DD9-4BF3-A94C-9F5DCB9506F7" && _idTagInfo.status == AuthorizationStatus.ConcurrentTx)
                            {
                                _idTagInfo = new IdTagInfo() { expiryDate = DateTime.UtcNow.AddDays(1), status = AuthorizationStatus.Accepted };
                            }

                            using (var db = new MainDBContext())
                            {
                                var _CustomerId = db.Machine.Where(x => x.ChargeBoxId == session.ChargeBoxId).Include(x => x.Customer).
                                     Select(x => x.CustomerId).FirstOrDefault();

                                var _existedTx = db.TransactionRecord.Where(x => x.CustomerId == _CustomerId && x.ChargeBoxId == session.ChargeBoxId
                                   && x.ConnectorId == _request.connectorId && x.StartTime == _request.timestamp).Select(C => new { C.Id }).AsNoTracking().FirstOrDefault();
                                TransactionRecord _newTransaction = new TransactionRecord();


                                if (_existedTx == null)
                                {
                                    _newTransaction = new TransactionRecord()
                                    {
                                        ChargeBoxId = session.ChargeBoxId,
                                        ConnectorId = (byte)_request.connectorId,
                                        CreatedOn = DateTime.UtcNow,
                                        StartIdTag = _request.idTag,
                                        MeterStart = _request.meterStart,
                                        CustomerId = _CustomerId,
                                        StartTime = _request.timestamp.ToUniversalTime(),
                                        ReservationId = _request.reservationId.HasValue ? _request.reservationId.Value : 0,
                                        Fee = !session.IsBilling ? string.Empty : session.BillingMethod == 1 ? JsonConvert.SerializeObject(session.ChargingPrices) + "|" + session.Currency : session.HRPrice + "|" + session.Currency

                                    };

                                    db.TransactionRecord.Add(_newTransaction);

                                    db.SaveChanges();

                                    _transactionId = _newTransaction.Id;
                                    logger.Info("***************************************************** ");
                                    logger.Info(string.Format("{0} :TransactionId {1} ", session.ChargeBoxId, _newTransaction.Id));
                                    logger.Info("***************************************************** ");
                                }
                                else
                                {
                                    _transactionId = _existedTx.Id;
                                    logger.Error("Duplication ***************************************************** " + _existedTx.Id);
                                }
                            }


                            var confirm = new StartTransactionConfirmation()
                            {
                                idTagInfo = _idTagInfo,
                                transactionId = _transactionId
                            };


                            result.Message = confirm;
                            result.Success = true;
                        }
                        break;
                    case Actions.StopTransaction:
                        {
                            StopTransactionRequest _request = request as StopTransactionRequest;

                            int _ConnectorId = 0;

                            var businessService = BusinessServiceFactory.CreateBusinessService(session.CustomerId.ToString());

                            //特例****飛宏客戶旗下的電樁，若遇到Portal沒回應的狀況 ~允許充電
                            var _idTagInfo = string.IsNullOrEmpty(_request.idTag) ? null : (_request.idTag == "Backend" ? new IdTagInfo() { expiryDate = DateTime.UtcNow.AddDays(1), status = AuthorizationStatus.Accepted } : await businessService.Authorize(session.ChargeBoxId, _request.idTag));

                            if (session.CustomerId.ToString().ToUpper() == "8456AED9-6DD9-4BF3-A94C-9F5DCB9506F7" && _idTagInfo != null && _idTagInfo.status == AuthorizationStatus.ConcurrentTx)
                            {
                                _idTagInfo = new IdTagInfo() { expiryDate = DateTime.UtcNow.AddDays(1), status = AuthorizationStatus.Accepted };
                            }



                            using (var db = new MainDBContext())
                            {
                                var transaction = db.TransactionRecord.Where(x => x.Id == _request.transactionId
                                 && x.ChargeBoxId == session.ChargeBoxId).FirstOrDefault();

                                if (transaction != null)
                                {
                                    _ConnectorId = transaction.ConnectorId;
                                    transaction.MeterStop = _request.meterStop;
                                    transaction.StopTime = _request.timestamp.ToUniversalTime();
                                    transaction.StopReasonId = _request.reason.HasValue ? (int)_request.reason.Value : 0;
                                    transaction.StopIdTag = _request.idTag;
                                    transaction.Receipt = string.Empty;
                                    transaction.Cost = session.IsBilling ? -1 : 0;


                                    await db.SaveChangesAsync();
                                    var confirm = new StopTransactionConfirmation()
                                    {
                                        idTagInfo = _idTagInfo

                                    };


                                    if (session.IsBilling)
                                    {
                                        db.ServerMessage.Add(new ServerMessage()
                                        {
                                            ChargeBoxId = session.ChargeBoxId,
                                            CreatedBy = "Server",
                                            CreatedOn = DateTime.UtcNow,
                                            OutAction = Actions.DataTransfer.ToString(),
                                            OutRequest = JsonConvert.SerializeObject(
                                                       new DataTransferRequest()
                                                       {
                                                           messageId = "ID_TxEnergy",
                                                           vendorId = "Phihong Technology",
                                                           data = JsonConvert.SerializeObject(new { txId = _request.transactionId, ConnectorId = transaction.ConnectorId })
                                                       },
                                                       new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore, Formatting = Formatting.None }),
                                            SerialNo = Guid.NewGuid().ToString(),
                                            InMessage = string.Empty

                                        });

                                        db.SaveChanges();
                                    }

                                    result.Message = confirm;
                                    result.Success = true;
                                }
                                else
                                {
                                    result.Exception = new Exception("Can't find transactionId " + _request.transactionId);

                                }
                            }

                            if (_request.transactionData != null)
                            {
                                if (_request.transactionData.Count > 0)
                                {
                                    using (var _meterDb = new MeterValueDBContext())
                                    {
                                        foreach (var item in _request.transactionData)
                                        {
                                            foreach (var sampleVaule in item.sampledValue)
                                            {
                                                decimal value = Convert.ToDecimal(sampleVaule.value);

                                                string sp = "[dbo].[uspInsertMeterValueRecord] @ChargeBoxId," +
                             "@ConnectorId,@Value,@CreatedOn,@ContextId,@FormatId,@MeasurandId,@PhaseId,@LocationId,@UnitId,@TransactionId";

                                                List<SqlParameter> parameter = new List<SqlParameter>
                                        {
                                              new SqlParameter("ChargeBoxId",session.ChargeBoxId),
                                              new SqlParameter("ConnectorId",  (byte)_ConnectorId),
                                              new SqlParameter("Value",value),
                                              new SqlParameter("CreatedOn",item.timestamp),
                                              new SqlParameter("ContextId",sampleVaule.context.HasValue ? (int)sampleVaule.context : 0),
                                              new SqlParameter("FormatId",sampleVaule.format.HasValue ? (int)sampleVaule.format : 0),
                                              new SqlParameter("MeasurandId",sampleVaule.measurand.HasValue ? (int)sampleVaule.measurand : 0),
                                              new SqlParameter("PhaseId",sampleVaule.phase.HasValue ? (int)sampleVaule.phase : 0),
                                              new SqlParameter("LocationId",sampleVaule.location.HasValue ? (int)sampleVaule.location : 0),
                                              new SqlParameter("UnitId",sampleVaule.unit.HasValue ? (int)sampleVaule.unit : 0),
                                              new SqlParameter("TransactionId",_request.transactionId),
                                          };


                                                _meterDb.Database.ExecuteSqlCommand(sp, parameter.ToArray());
                                            }
                                        }
                                    }


                                }
                            }


                        }
                        break;
                    case Actions.Authorize:
                        {
                            AuthorizeRequest _request = request as AuthorizeRequest;

                            //特例****飛宏客戶旗下的電樁，若遇到Portal沒回應的狀況 ~允許充電
                            var businessService = BusinessServiceFactory.CreateBusinessService(session.CustomerId.ToString());
                            var confirm = new AuthorizeConfirmation()
                            {
                                idTagInfo = _request.idTag == "Backend" ? new IdTagInfo() { expiryDate = DateTime.UtcNow.AddDays(1), status = AuthorizationStatus.Accepted } : await businessService.Authorize(session.ChargeBoxId, _request.idTag)
                            };

                            if (session.CustomerId.ToString().ToUpper() == "8456AED9-6DD9-4BF3-A94C-9F5DCB9506F7" && confirm.idTagInfo.status == AuthorizationStatus.ConcurrentTx)
                            {
                                confirm.idTagInfo = new IdTagInfo() { expiryDate = DateTime.UtcNow.AddDays(1), status = AuthorizationStatus.Accepted };
                            }

                            result.Message = confirm;
                            result.Success = true;
                        }
                        break;
                    default:
                        {
                            Console.WriteLine(string.Format("Not Implement {0} Logic(ExecuteCoreRequest)", request.GetType().ToString().Replace("OCPPPackage.Messages.Core.", "")));
                        }
                        break;
                }
            }
            catch (Exception ex)
            {
                logger.Fatal(string.Format("chargeBoxId:{0} {1}", session.ChargeBoxId, action));
                logger.Fatal(string.Format("Data {0}", request.ToString()));
                logger.Fatal(string.Format("Error {0}", ex.ToString()));
                result.Exception = ex;
            }


            if (action == Actions.Heartbeat)
            {
                watch.Stop();
                if (watch.ElapsedMilliseconds / 1000 > 3)
                {
                    logger.Error("Processing Hearbeat costs " + watch.ElapsedMilliseconds / 1000 + " seconds");
                }
            }
            return result;
        }

        internal MessageResult ExecuteCoreConfirm(Actions action, ClientData session, IConfirmation confirm, string requestId)
        {
            MessageResult result = new MessageResult() { Success = true };

            try
            {
                switch (action)
                {
                    case Actions.DataTransfer:
                        {
                            DataTransferConfirmation _confirm = confirm as DataTransferConfirmation;
                            DataTransferRequest _request = _confirm.GetRequest() as DataTransferRequest;
                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = string.IsNullOrEmpty(_confirm.data) ? "" : _confirm.data;
                                    db.SaveChanges();
                                }

                                if (_request.messageId == "ID_FirmwareVersion")
                                {
                                    var machine = new Machine() { Id = session.MachineId };
                                    if (machine != null)
                                    {
                                        db.Configuration.AutoDetectChangesEnabled = false;
                                        db.Configuration.ValidateOnSaveEnabled = false;
                                        db.Machine.Attach(machine);
                                        machine.BoardVersions = _confirm.data;
                                        db.Entry(machine).Property(x => x.BoardVersions).IsModified = true;
                                        db.SaveChanges();
                                    }
                                }

                                if (_request.messageId == "ID_TxEnergy")
                                {
                                    if (_confirm.status == DataTransferStatus.Accepted)
                                    {
                                        string receipt = string.Empty;
                                        List<ChargingBill> bill = new List<ChargingBill>();
                                        List<ChargingPrice> chargingPrices = new List<ChargingPrice>();
                                        var txEnergy = JsonConvert.DeserializeObject<TransactionEnergy>(_confirm.data);
                                        var feedto = db.TransactionRecord.Where(x => x.Id == txEnergy.TxId).Select(x => new { Fee = x.Fee, StopTime = x.StopTime, StartTime = x.StartTime }).FirstOrDefault();

                                        if (feedto == null || string.IsNullOrEmpty(feedto.Fee)) return result;
                                        string currency = feedto.Fee.Substring(feedto.Fee.Length - 3);
                                        decimal sum = 0;
                                        if (feedto.Fee.Length > 10)
                                        {
                                            chargingPrices = JsonConvert.DeserializeObject<List<ChargingPrice>>(feedto.Fee.Split('|')[0]);
                                            foreach (var item in txEnergy.PeriodEnergy)
                                            {
                                                var periodEnergy = Math.Round(item.Value, 2, MidpointRounding.AwayFromZero);
                                                string startTime = item.Key.Length == 1 ? "0" + item.Key + ":00" : item.Key + ":00";
                                                decimal perfee = 0;
                                                if (chargingPrices.Count == 1)
                                                {

                                                    perfee = Decimal.Multiply(periodEnergy, chargingPrices[0].Fee);
                                                    if (bill.Count == 0)
                                                    {
                                                        bill.Add(new ChargingBill()
                                                        {
                                                            StartTime = "00:00",
                                                            EndTime = "23:59",
                                                            Fee = chargingPrices[0].Fee
                                                        });
                                                    }
                                                    bill[0].PeriodEnergy += periodEnergy;

                                                }
                                                else
                                                {
                                                    var price = chargingPrices.Where(x => x.StartTime == startTime).FirstOrDefault();
                                                    perfee = Decimal.Multiply(periodEnergy, price.Fee);

                                                    bill.Add(new ChargingBill()
                                                    {
                                                        StartTime = price.StartTime,
                                                        EndTime = price.EndTime,
                                                        PeriodEnergy = periodEnergy,
                                                        Fee = chargingPrices[0].Fee
                                                    });

                                                }
                                                if (bill.Count > 0)
                                                {
                                                    bill[bill.Count - 1].Total += DollarRounding(perfee, session.Currency);
                                                    sum += bill[bill.Count - 1].Total;

                                                    if (bill.Count == 1)
                                                    {
                                                        sum = bill[bill.Count - 1].Total;
                                                    }
                                                }

                                            }
                                        }
                                        else
                                        {
                                      
                                            // 以時計費
                                            var fee = decimal.Parse(feedto.Fee.Split('|')[0]);

                                            var totalHours = Math.Round(DateTime.UtcNow.Subtract(feedto.StartTime).TotalHours, 2, MidpointRounding.AwayFromZero);
                                            sum = Decimal.Multiply((decimal)totalHours, fee);                                         
                                            sum = DollarRounding(sum, session.Currency);
                                            receipt = totalHours  + "hrs @ $" + fee + "/hr =" + sum;
                                        }




                                        if (feedto.StopTime != GlobalConfig.DefaultNullTime)
                                        {
                                            var tx = db.TransactionRecord.Where(x => x.Id == txEnergy.TxId).FirstOrDefault();
                                            if (tx == null)
                                            {
                                                Console.WriteLine("Tx is empty");
                                                return result;
                                            }
                                            var startTime = new DateTime(tx.StartTime.Year, tx.StartTime.Month, tx.StartTime.Day, tx.StartTime.Hour, 0, 0);
                                            List<ChargingBill> confirmbill = new List<ChargingBill>();
                                            while (startTime < tx.StopTime)
                                            {
                                                if (bill.Count == 1)
                                                {
                                                    confirmbill = bill;
                                                    receipt = string.Format("{0} kWh @ ${1}/kWh={2}", bill[0].PeriodEnergy, bill[0].Fee, bill[0].Total);
                                                    break;
                                                }
                                                if (bill.Count > 1)
                                                {
                                                    confirmbill.Add(bill.Where(x => x.StartTime == startTime.ToString("HH:00")).FirstOrDefault());
                                                    if (confirmbill.Count == 24) break;
                                                    if (confirmbill.Count > 1)
                                                    {
                                                        receipt += "|";
                                                    }
                                                    receipt += string.Format("{0}~{1} {2} kWh @ ${3}/kWh={4}", confirmbill[confirmbill.Count - 1].StartTime, confirmbill[confirmbill.Count - 1].EndTime,
                                                        confirmbill[confirmbill.Count - 1].PeriodEnergy, bill[0].Fee, confirmbill[confirmbill.Count - 1].Total);



                                                }
                                                startTime = startTime.AddHours(1);

                                            }
                                            if (bill.Count > 0)
                                            {
                                                confirmbill = confirmbill.Where(x => string.IsNullOrEmpty(x.StartTime) == false).ToList();
                                            }

                                            tx.Cost = sum;
                                            tx.Receipt =  receipt;

                                            db.Configuration.AutoDetectChangesEnabled = false;
                                            db.Configuration.ValidateOnSaveEnabled = false;
                                            db.TransactionRecord.Attach(tx);
                                            db.Entry(tx).Property(x => x.Cost).IsModified = true;
                                            db.Entry(tx).Property(x => x.Receipt).IsModified = true;


                                            db.ServerMessage.Add(new ServerMessage()
                                            {
                                                ChargeBoxId = session.ChargeBoxId,
                                                CreatedBy = "Server",
                                                CreatedOn = DateTime.UtcNow,
                                                OutAction = Actions.DataTransfer.ToString(),
                                                OutRequest = JsonConvert.SerializeObject(
                                                            new DataTransferRequest()
                                                            {
                                                                messageId = "FinalCost",
                                                                vendorId = "Phihong Technology",
                                                                data = JsonConvert.SerializeObject(new
                                                                {
                                                                    txId = txEnergy.TxId,
                                                                    description = string.Format("Connection Fee: $0.00 {0}; Session Fee: ${1} {0}; Occupancy Fee: " +
                                                                 "$0.00 {0}; Total Cost: ${1} {0}; Account Balance: $10.00 {0}", currency, sum)
                                                                })

                                                            },
                                                            new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore, Formatting = Formatting.None }),
                                                SerialNo = Guid.NewGuid().ToString(),
                                                InMessage = string.Empty

                                            }); ;

                                            db.SaveChanges();
                                        }
                                        else
                                        {
                                            db.ServerMessage.Add(new ServerMessage()
                                            {
                                                ChargeBoxId = session.ChargeBoxId,
                                                CreatedBy = "Server",
                                                CreatedOn = DateTime.UtcNow,
                                                OutAction = Actions.DataTransfer.ToString(),
                                                OutRequest = JsonConvert.SerializeObject(
                                                 new DataTransferRequest()
                                                 {
                                                     messageId = "RunningCost",
                                                     vendorId = "Phihong Technology",
                                                     data = JsonConvert.SerializeObject(new
                                                     {
                                                         txId = txEnergy.TxId,
                                                         description = string.Format("Connection Fee: $0.00 {0}; Session Fee: ${1} {0}; Occupancy Fee: " +
                                                         "$0.00 {0}; Total Cost: ${1} {0}; Account Balance: $0.00 {0}", currency, sum)
                                                     })

                                                 },
                                                 new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore, Formatting = Formatting.None }),
                                                SerialNo = Guid.NewGuid().ToString(),
                                                InMessage = string.Empty

                                            }); ;

                                            db.SaveChanges();
                                        }


                                    }


                                }
                            }
                        }
                        break;
                    case Actions.ChangeAvailability:
                        {
                            ChangeAvailabilityConfirmation _confirm = confirm as ChangeAvailabilityConfirmation;
                            ChangeAvailabilityRequest _request = _confirm.GetRequest() as ChangeAvailabilityRequest;

                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = _confirm.status.ToString();
                                    db.SaveChanges();
                                }

                            }
                        }
                        break;

                    case Actions.ClearCache:
                        {
                            ClearCacheConfirmation _confirm = confirm as ClearCacheConfirmation;
                            ClearCacheRequest _request = _confirm.GetRequest() as ClearCacheRequest;

                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = _confirm.status.ToString();
                                    db.SaveChanges();
                                }

                            }
                        }
                        break;
                    case Actions.RemoteStartTransaction:
                        {
                            RemoteStartTransactionConfirmation _confirm = confirm as RemoteStartTransactionConfirmation;
                            RemoteStartTransactionRequest _request = _confirm.GetRequest() as RemoteStartTransactionRequest;

                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = _confirm.status.ToString();
                                    db.SaveChanges();
                                }

                            }
                        }
                        break;
                    case Actions.RemoteStopTransaction:
                        {
                            RemoteStopTransactionConfirmation _confirm = confirm as RemoteStopTransactionConfirmation;
                            RemoteStopTransactionRequest _request = _confirm.GetRequest() as RemoteStopTransactionRequest;

                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = _confirm.status.ToString();
                                    db.SaveChanges();
                                }

                            }
                        }
                        break;
                    case Actions.Reset:
                        {
                            ResetConfirmation _confirm = confirm as ResetConfirmation;
                            ResetRequest _request = _confirm.GetRequest() as ResetRequest;

                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = _confirm.status.ToString();
                                    db.SaveChanges();
                                }

                            }
                        }
                        break;
                    case Actions.ChangeConfiguration:
                        {
                            ChangeConfigurationConfirmation _confirm = confirm as ChangeConfigurationConfirmation;
                            ChangeConfigurationRequest _request = _confirm.GetRequest() as ChangeConfigurationRequest;

                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                         x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();

                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = _confirm.status.ToString();

                                }

                                if (_confirm.status == Packet.Messages.SubTypes.ConfigurationStatus.Accepted || _confirm.status == Packet.Messages.SubTypes.ConfigurationStatus.RebootRequired)
                                {
                                    var configure = db.MachineConfiguration.Where(x => x.ChargeBoxId == session.ChargeBoxId).ToList();

                                    var foundConfig = configure.Find(x => x.ConfigureName == _request.key);
                                    if (foundConfig != null)
                                    {
                                        foundConfig.ReadOnly = false;
                                        foundConfig.ConfigureSetting = _request.value;
                                    }
                                    else
                                    {
                                        db.MachineConfiguration.Add(new MachineConfiguration()
                                        {
                                            ChargeBoxId = session.ChargeBoxId,
                                            ConfigureName = _request.key,
                                            ReadOnly = false,
                                            ConfigureSetting = _request.value
                                        });
                                    }
                                }
                                db.SaveChanges();
                            }

                        }
                        break;
                    case Actions.GetConfiguration:
                        {

                            try
                            {
                                GetConfigurationConfirmation _confirm = confirm as GetConfigurationConfirmation;
                                //  GetConfigurationRequest _request = _confirm.GetRequest() as GetConfigurationRequest;

                                using (var db = new MainDBContext())
                                {
                                    var configure = db.MachineConfiguration.Where(x => x.ChargeBoxId == session.ChargeBoxId).ToList();

                                    if (_confirm.configurationKey != null)
                                    {
                                        foreach (var item in _confirm.configurationKey)
                                        {
                                            string oldValue = string.Empty;
                                            if (item.key == null)
                                            {
                                                Console.WriteLine("*********************");
                                            }
                                            var foundConfig = configure.Find(x => x.ConfigureName == item.key);


                                            if (foundConfig != null)
                                            {
                                                if (foundConfig.ConfigureName == null)
                                                {
                                                    Console.WriteLine("*********************");
                                                }

                                                if (foundConfig.ConfigureName == "SecurityProfile")
                                                {
                                                    oldValue = foundConfig.ConfigureSetting;
                                                }

                                                foundConfig.ReadOnly = item.IsReadOnly;
                                                foundConfig.ConfigureSetting = string.IsNullOrEmpty(item.value) ? string.Empty : item.value;
                                            }
                                            else
                                            {
                                                db.MachineConfiguration.Add(new MachineConfiguration()
                                                {
                                                    ChargeBoxId = session.ChargeBoxId,
                                                    ConfigureName = item.key,
                                                    ReadOnly = item.IsReadOnly,
                                                    ConfigureSetting = string.IsNullOrEmpty(item.value) ? string.Empty : item.value,
                                                    Exists = true
                                                });
                                            }


                                        }
                                    }
                                    if (_confirm.unknownKey != null)
                                    {

                                        foreach (var item in _confirm.unknownKey)
                                        {
                                            var foundConfig = configure.Find(x => x.ConfigureName == item);
                                            if (foundConfig != null)
                                            {
                                                foundConfig.ReadOnly = true;
                                                foundConfig.ConfigureSetting = string.Empty;
                                                foundConfig.Exists = false;
                                            }
                                            else
                                            {
                                                db.MachineConfiguration.Add(new MachineConfiguration()
                                                {
                                                    ChargeBoxId = session.ChargeBoxId,
                                                    ConfigureName = item
                                                });
                                            }
                                        }
                                    }



                                    var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                   x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();

                                    if (operation != null)
                                    {
                                        operation.FinishedOn = DateTime.UtcNow;
                                        operation.Status = 1;//電樁有回覆
                                        operation.EVSE_Status = 1;
                                        operation.EVSE_Value = JsonConvert.SerializeObject(_confirm.configurationKey, Formatting.None);

                                    }

                                    db.SaveChanges();

                                }
                            }
                            catch (Exception ex)
                            {
                                logger.Error(ex.ToString());
                            }

                        }
                        break;
                    case Actions.UnlockConnector:
                        {
                            UnlockConnectorConfirmation _confirm = confirm as UnlockConnectorConfirmation;
                            UnlockConnectorRequest _request = _confirm.GetRequest() as UnlockConnectorRequest;

                            using (var db = new MainDBContext())
                            {
                                var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                                x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                                if (operation != null)
                                {
                                    operation.FinishedOn = DateTime.UtcNow;
                                    operation.Status = 1;//電樁有回覆
                                    operation.EVSE_Status = (int)_confirm.status;
                                    operation.EVSE_Value = _confirm.status.ToString();
                                    db.SaveChanges();
                                }

                            }
                        }
                        break;
                    default:
                        {
                            Console.WriteLine(string.Format("Not Implement {0} Logic(ExecuteCoreConfirm)", confirm.GetType().ToString().Replace("OCPPPackage.Messages.Core.", "")));
                        }
                        break;
                }
            }
            catch (Exception ex)
            {
                logger.Debug("123 " + ex.ToString());
            }



            return result;
        }


        internal MessageResult ReceivedCoreError(Actions action, string errorMsg, ClientData session, string requestId)
        {
            MessageResult result = new MessageResult() { Success = true };

            switch (action)
            {
                case Actions.ChangeAvailability:
                case Actions.ChangeConfiguration:
                case Actions.ClearCache:
                case Actions.RemoteStartTransaction:
                case Actions.RemoteStopTransaction:
                case Actions.Reset:
                case Actions.GetConfiguration:
                case Actions.UnlockConnector:
                case Actions.DataTransfer:
                    {
                        if (action == Actions.DataTransfer)
                        {
                            logger.Debug(string.Format("DataTransfer Error {0}: {1}", session.ChargeBoxId, requestId));
                        }

                        using (var db = new MainDBContext())
                        {
                            var operation = db.MachineOperateRecord.Where(x => x.SerialNo == requestId &&
                            x.ChargeBoxId == session.ChargeBoxId && x.Status == 0).FirstOrDefault();
                            if (operation != null)
                            {
                                operation.FinishedOn = DateTime.UtcNow;
                                operation.Status = 1;//電樁有回覆
                                operation.EVSE_Status = (int)255;//錯誤
                                operation.EVSE_Value = errorMsg;
                                db.SaveChanges();
                            }

                        }

                    }
                    break;

                default:
                    {
                        Console.WriteLine(string.Format("Not Implement {0} Logic(ReceivedCoreError)", action));
                    }
                    break;
            }
            return result;

        }


        /// <summary>
        /// 依據幣值處理4捨5入
        /// </summary>
        /// <param name="money"></param>
        /// <param name="currency"></param>
        /// <returns></returns>
        private decimal DollarRounding(decimal money, string currency)
        {


            if (currency == "USD" || currency == "EUR")
            {

                //0.4867
                if ((double)((int)(money * 100) + 0.5) <= (double)(money * 100))
                {

                    //money = Decimal.Add(money, (decimal)0.01);//0.4967

                }
                money = Math.Round(money, 2, MidpointRounding.AwayFromZero);
                money = Decimal.Parse(money.ToString("0.00"));


            }
            else
            {
                if ((double)((int)(money) + 0.5) <= (double)money)
                {
                    //  money = (int) money + 1;
                }
                money = Math.Round(money, 0, MidpointRounding.AwayFromZero);
                money = Decimal.Parse(money.ToString("0"));
            }

            return money;
        }
    }
}