add: implement Sepehr payment gateway integration and enhance financial invoice handling

CompanyManagment.Application/FinancialInvoiceApplication.cs

@@ -9,15 +9,13 @@ using CompanyManagment.EFCore;
 
 namespace CompanyManagment.Application;
 
-public class FinancialInvoiceApplication : RepositoryBase<long, FinancialInvoice>, IFinancialInvoiceApplication
+public class FinancialInvoiceApplication : IFinancialInvoiceApplication
 {
     private readonly IFinancialInvoiceRepository _financialInvoiceRepository;
-    private readonly CompanyContext _context;
 
-    public FinancialInvoiceApplication(IFinancialInvoiceRepository financialInvoiceRepository, CompanyContext context) : base(context)
+    public FinancialInvoiceApplication(IFinancialInvoiceRepository financialInvoiceRepository)
     {
         _financialInvoiceRepository = financialInvoiceRepository;
-        _context = context;
     }
 
     public OperationResult Create(CreateFinancialInvoice command)
@@ -185,6 +183,7 @@ public class FinancialInvoiceApplication : RepositoryBase<long, FinancialInvoice
     {
         return _financialInvoiceRepository.Search(searchModel);
     }
+    
 
     //public OperationResult Remove(long id)
     //{

CompanyManagment.Application/FinancialStatmentApplication.cs

@@ -3,9 +3,12 @@ using System.Collections.Generic;
 using System.Threading.Tasks;
 using _0_Framework.Application;
 using Company.Domain.ContarctingPartyAgg;
+using Company.Domain.FinancialInvoiceAgg;
 using Company.Domain.FinancialStatmentAgg;
+using CompanyManagment.App.Contracts.FinancialInvoice;
 using CompanyManagment.App.Contracts.FinancialStatment;
 using CompanyManagment.App.Contracts.FinancilTransaction;
+using CompanyManagment.App.Contracts.SepehrPaymentGateway;
 using Microsoft.AspNetCore.Components.Forms;
 using Microsoft.AspNetCore.Mvc;
 
@@ -16,12 +19,20 @@ public class FinancialStatmentApplication : IFinancialStatmentApplication
     private readonly IFinancialStatmentRepository _financialStatmentRepository;
     private readonly IFinancialTransactionApplication _financialTransactionApplication;
     private readonly IPersonalContractingPartyRepository _contractingPartyRepository;
+    private readonly IFinancialInvoiceRepository _financialInvoiceRepository;
+    private readonly ISepehrPaymentGatewayService _sepehrPaymentGatewayService;
 
-    public FinancialStatmentApplication(IFinancialStatmentRepository financialStatmentRepository, IFinancialTransactionApplication financialTransactionApplication, IPersonalContractingPartyRepository contractingPartyRepository)
+    public FinancialStatmentApplication(IFinancialStatmentRepository financialStatmentRepository,
+        IFinancialTransactionApplication financialTransactionApplication,
+        IPersonalContractingPartyRepository contractingPartyRepository,
+        IFinancialInvoiceRepository financialInvoiceRepository,
+        ISepehrPaymentGatewayService sepehrPaymentGatewayService)
     {
         _financialStatmentRepository = financialStatmentRepository;
         _financialTransactionApplication = financialTransactionApplication;
         _contractingPartyRepository = contractingPartyRepository;
+        _financialInvoiceRepository = financialInvoiceRepository;
+        _sepehrPaymentGatewayService = sepehrPaymentGatewayService;
     }
 
     public OperationResult CreateFromBankGateway(CreateFinancialStatment command)
@@ -51,7 +62,6 @@ public class FinancialStatmentApplication : IFinancialStatmentApplication
             if (createTransaction.IsSuccedded)
                 return op.Succcedded();
             return op.Failed("خطا در انجام عملیات");
-
         }
         else
         {
@@ -71,8 +81,6 @@ public class FinancialStatmentApplication : IFinancialStatmentApplication
                 Balance = 0,
                 TypeOfTransaction = command.TypeOfTransaction,
                 DescriptionOption = command.DescriptionOption
-
-
             };
             var createTransaction = _financialTransactionApplication.Create(transaction);
             if (createTransaction.IsSuccedded)
@@ -98,22 +106,22 @@ public class FinancialStatmentApplication : IFinancialStatmentApplication
         {
             debtor = 0;
             creditor = command.CreditorString.MoneyToDouble();
-            
         }
         else if (command.TypeOfTransaction == "debt")
         {
             creditor = 0;
             debtor = command.DeptorString.MoneyToDouble();
-             
         }
 
         if (!command.TdateFa.TryToGeorgianDateTime(out var tDateGr))
         {
             return op.Failed("تاریخ وارد شده صحیح نمی باشد");
         }
+
         if (_financialStatmentRepository.Exists(x => x.ContractingPartyId == command.ContractingPartyId))
         {
-            var financialStatment = _financialStatmentRepository.GetDetailsByContractingPartyId(command.ContractingPartyId);
+            var financialStatment =
+                _financialStatmentRepository.GetDetailsByContractingPartyId(command.ContractingPartyId);
             var transaction = new CreateFinancialTransaction()
             {
                 FinancialStatementId = financialStatment.Id,
@@ -124,20 +132,15 @@ public class FinancialStatmentApplication : IFinancialStatmentApplication
                 Creditor = creditor,
                 TypeOfTransaction = command.TypeOfTransaction,
                 DescriptionOption = command.DescriptionOption
-     
-
-
             };
-      
-           var createTransaction = _financialTransactionApplication.Create(transaction);
+
+            var createTransaction = _financialTransactionApplication.Create(transaction);
             if (createTransaction.IsSuccedded)
                 return op.Succcedded();
             return op.Failed("خطا در انجام عملیات");
-
         }
         else
         {
-
             var statement = new FinancialStatment(command.ContractingPartyId, command.ContractingPartyName);
             _financialStatmentRepository.Create(statement);
             _financialStatmentRepository.SaveChanges();
@@ -153,20 +156,14 @@ public class FinancialStatmentApplication : IFinancialStatmentApplication
                 Balance = 0,
                 TypeOfTransaction = command.TypeOfTransaction,
                 DescriptionOption = command.DescriptionOption
-
-
             };
             var createTransaction = _financialTransactionApplication.Create(transaction);
             if (createTransaction.IsSuccedded)
                 return op.Succcedded();
             return op.Failed("خطا در انجام عملیات");
-
         }
-           
     }
 
-       
- 
 
     public List<FinancialStatmentViewModel> Search(FinancialStatmentSearchModel searchModel)
     {
@@ -203,6 +200,45 @@ public class FinancialStatmentApplication : IFinancialStatmentApplication
     public async Task<FinancialStatmentDetailsByContractingPartyViewModel> GetDetailsByContractingParty(
         long contractingPartyId, FinancialStatementSearchModel searchModel)
     {
-        return await _financialStatmentRepository.GetDetailsByContractingParty(contractingPartyId,searchModel);
+        return await _financialStatmentRepository.GetDetailsByContractingParty(contractingPartyId, searchModel);
+    }
+
+    public async Task<OperationResult<CreateSepehrPaymentGatewayResponse>> CreatePaymentGateWayAndCreateInvoice(
+        CreateFinancialPayRequest request, string gateWayCallBackUrl)
+    {
+        var op = new OperationResult<CreateSepehrPaymentGatewayResponse>();
+        // گام 1: دریافت موجودی حساب
+        var balanceAmount = await GetBalanceAmount(request.Id);
+        if (balanceAmount.Amount <= 0)
+        {
+            return op.Failed("موجودی حساب شما صفر است");
+        }
+        // گام 2: ایجاد درگاه پرداخت سپهر
+
+        var financialInvoice = await _financialInvoiceRepository
+            .GetUnPaidFinancialInvoiceByContractingPartyIdAndAmount(balanceAmount.ContractingPartyId,
+                balanceAmount.Amount);
+
+        if (financialInvoice == null)
+        {
+            financialInvoice = new FinancialInvoice(balanceAmount.Amount, balanceAmount.ContractingPartyId,
+                "پرداخت بدهی صورت حساب مالی");
+
+            var items = new FinancialInvoiceItem("پرداخت بدهی صورت حساب مالی", balanceAmount.Amount,
+                financialInvoice.id, FinancialInvoiceItemType.PreviousDebt, 0);
+            financialInvoice.AddItem(items);
+            await _financialInvoiceRepository.CreateAsync(financialInvoice);
+            await _financialInvoiceRepository.SaveChangesAsync();
+        }
+
+        var gatewayResult = await _sepehrPaymentGatewayService.CreateSepehrPaymentGateway(
+            amount: balanceAmount.Amount,
+            contractingPartyId: balanceAmount.ContractingPartyId,
+            frontCallbackUrl: request.BaseUrl,
+            gatewayCallbackUrl: gateWayCallBackUrl,
+            financialInvoiceId: financialInvoice.id,
+            extraData: null);
+
+        return gatewayResult;
     }
 }

CompanyManagment.Application/InstitutionContractApplication.cs

@@ -24,6 +24,7 @@ using CompanyManagment.App.Contracts.FinancialStatment;
 using CompanyManagment.App.Contracts.InstitutionContract;
 using CompanyManagment.App.Contracts.InstitutionContractContactinfo;
 using CompanyManagment.App.Contracts.PaymentTransaction;
+using CompanyManagment.App.Contracts.SepehrPaymentGateway;
 using CompanyManagment.App.Contracts.Workshop;
 using PersianTools.Core;
 using ConnectedPersonnelViewModel = CompanyManagment.App.Contracts.Workshop.ConnectedPersonnelViewModel;
@@ -48,6 +49,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
     private readonly IPaymentGateway _paymentGateway;
     private readonly IPaymentTransactionRepository _paymentTransactionRepository;
     private readonly IRollCallServiceRepository _rollCallServiceRepository;
+    private readonly ISepehrPaymentGatewayService _sepehrPaymentGatewayService;
 
 
     public InstitutionContractApplication(IInstitutionContractRepository institutionContractRepository,
@@ -58,7 +60,8 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         IFinancialStatmentRepository financialStatmentRepository, IContactInfoApplication contactInfoApplication,
         IAccountApplication accountApplication, ISmsService smsService,
         IFinancialInvoiceRepository financialInvoiceRepository, IHttpClientFactory httpClientFactory,
-        IPaymentTransactionRepository paymentTransactionRepository, IRollCallServiceRepository rollCallServiceRepository)
+        IPaymentTransactionRepository paymentTransactionRepository, IRollCallServiceRepository rollCallServiceRepository,
+        ISepehrPaymentGatewayService sepehrPaymentGatewayService)
     {
         _institutionContractRepository = institutionContractRepository;
         _contractingPartyRepository = contractingPartyRepository;
@@ -74,6 +77,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         _financialInvoiceRepository = financialInvoiceRepository;
         _paymentTransactionRepository = paymentTransactionRepository;
         _rollCallServiceRepository = rollCallServiceRepository;
+        _sepehrPaymentGatewayService = sepehrPaymentGatewayService;
         _paymentGateway = new SepehrPaymentGateway(httpClientFactory);
     }
 
@@ -1258,119 +1262,93 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         if (contractingParty == null)
             throw new NotFoundException("طرف قرارداد یافت نشد");
 
-		if (institutionContract.VerifyCode != code)
-			return op.Failed("کد وارد شده صحیح نمی باشد");
-		
-		var financialStatement =await _financialStatmentRepository.GetByContractingPartyId(contractingParty.id);
+        if (institutionContract.VerifyCode != code)
+            return op.Failed("کد وارد شده صحیح نمی باشد");
 
-		var dbTransaction = await _institutionContractRepository.BeginTransactionAsync();
-		FinancialInvoice financialInvoice;
-		FinancialInvoiceItem financialInvoiceItem;
-		var today = DateTime.Today;
-		double invoiceAmount = 0;
-		string invoiceItemDescription = string.Empty;
-		FinancialInvoiceItemType invoiceItemType = FinancialInvoiceItemType.BuyInstitutionContract;
-		long invoiceItemEntityId = 0;
+        var financialStatement = await _financialStatmentRepository.GetByContractingPartyId(contractingParty.id);
 
-		if (institutionContract.IsInstallment)
-		{
-			var firstInstallment = institutionContract.Installments.First();
-			var firstInstallmentAmount = firstInstallment.Amount;
+        var dbTransaction = await _institutionContractRepository.BeginTransactionAsync();
+        FinancialInvoice financialInvoice;
+        FinancialInvoiceItem financialInvoiceItem;
+        var today = DateTime.Today;
+        double invoiceAmount = 0;
+        string invoiceItemDescription = string.Empty;
+        FinancialInvoiceItemType invoiceItemType = FinancialInvoiceItemType.BuyInstitutionContract;
+        long invoiceItemEntityId = 0;
 
-			financialInvoice = await _financialInvoiceRepository.GetUnPaidByEntityId(firstInstallment.Id, FinancialInvoiceItemType.BuyInstitutionContractInstallment);
-			if (financialInvoice == null)
-			{
-				var financialTransaction = new FinancialTransaction(0, today, today.ToFarsi(),
-					"قسط اول سرویس", "debt", "بابت خدمات", firstInstallmentAmount, 0, 0);
-				financialStatement.AddFinancialTransaction(financialTransaction);
-				invoiceAmount = firstInstallmentAmount;
-				invoiceItemDescription = $"پرداخت قسط اول قرارداد شماره {institutionContract.ContractNo}";
-				invoiceItemType = FinancialInvoiceItemType.BuyInstitutionContractInstallment;
-				invoiceItemEntityId = firstInstallment.Id;
-			}
-			else
-			{
-				invoiceAmount = financialInvoice.Amount;
-				invoiceItemDescription = financialInvoice.Items.First().Description;
-				invoiceItemType = financialInvoice.Items.First().Type;
-				invoiceItemEntityId = financialInvoice.Items.First().EntityId;
-			}
-		}
-		else
-		{
-			financialInvoice = await _financialInvoiceRepository.GetUnPaidByEntityId(institutionContract.id, FinancialInvoiceItemType.BuyInstitutionContract);
-			if (financialInvoice == null)
-			{
-				var financialTransaction = new FinancialTransaction(0, today, today.ToFarsi(),
-					"پرداخت کل سرویس", "debt", "بابت خدمات", institutionContract.TotalAmount, 0, 0);
-				financialStatement.AddFinancialTransaction(financialTransaction);
-				invoiceAmount = institutionContract.TotalAmount;
-				invoiceItemDescription = $"پرداخت کل قرارداد شماره {institutionContract.ContractNo}";
-				invoiceItemType = FinancialInvoiceItemType.BuyInstitutionContract;
-				invoiceItemEntityId = institutionContract.id;
-			}
-			else
-			{
-				invoiceAmount = financialInvoice.Amount;
-				invoiceItemDescription = financialInvoice.Items.First().Description;
-				invoiceItemType = financialInvoice.Items.First().Type;
-				invoiceItemEntityId = financialInvoice.Items.First().EntityId;
-			}
-		}
+        if (institutionContract.IsInstallment)
+        {
+            var firstInstallment = institutionContract.Installments.First();
+            var firstInstallmentAmount = firstInstallment.Amount;
 
-		if (financialInvoice == null)
-		{
-			financialInvoice = new FinancialInvoice(invoiceAmount, contractingParty.id, $"خرید قرارداد مالی شماره {institutionContract.ContractNo}");
-			financialInvoiceItem = new FinancialInvoiceItem(invoiceItemDescription, invoiceAmount, 0, invoiceItemType, invoiceItemEntityId);
-			financialInvoice.AddItem(financialInvoiceItem);
-			await _financialInvoiceRepository.CreateAsync(financialInvoice);
-		}
+            financialInvoice = await _financialInvoiceRepository.GetUnPaidByEntityId(firstInstallment.Id, FinancialInvoiceItemType.BuyInstitutionContractInstallment);
+            if (financialInvoice == null)
+            {
+                var financialTransaction = new FinancialTransaction(0, today, today.ToFarsi(),
+                    "قسط اول سرویس", "debt", "بابت خدمات", firstInstallmentAmount, 0, 0);
+                financialStatement.AddFinancialTransaction(financialTransaction);
+                invoiceAmount = firstInstallmentAmount;
+                invoiceItemDescription = $"پرداخت قسط اول قرارداد شماره {institutionContract.ContractNo}";
+                invoiceItemType = FinancialInvoiceItemType.BuyInstitutionContractInstallment;
+                invoiceItemEntityId = firstInstallment.Id;
+            }
+            else
+            {
+                invoiceAmount = financialInvoice.Amount;
+                invoiceItemDescription = financialInvoice.Items.First().Description;
+                invoiceItemType = financialInvoice.Items.First().Type;
+                invoiceItemEntityId = financialInvoice.Items.First().EntityId;
+            }
+        }
+        else
+        {
+            financialInvoice = await _financialInvoiceRepository.GetUnPaidByEntityId(institutionContract.id, FinancialInvoiceItemType.BuyInstitutionContract);
+            if (financialInvoice == null)
+            {
+                var financialTransaction = new FinancialTransaction(0, today, today.ToFarsi(),
+                    "پرداخت کل سرویس", "debt", "بابت خدمات", institutionContract.TotalAmount, 0, 0);
+                financialStatement.AddFinancialTransaction(financialTransaction);
+                invoiceAmount = institutionContract.TotalAmount;
+                invoiceItemDescription = $"پرداخت کل قرارداد شماره {institutionContract.ContractNo}";
+                invoiceItemType = FinancialInvoiceItemType.BuyInstitutionContract;
+                invoiceItemEntityId = institutionContract.id;
+            }
+            else
+            {
+                invoiceAmount = financialInvoice.Amount;
+                invoiceItemDescription = financialInvoice.Items.First().Description;
+                invoiceItemType = financialInvoice.Items.First().Type;
+                invoiceItemEntityId = financialInvoice.Items.First().EntityId;
+            }
+        }
 
-		await _financialInvoiceRepository.SaveChangesAsync();
+        if (financialInvoice == null)
+        {
+            financialInvoice = new FinancialInvoice(invoiceAmount, contractingParty.id, $"خرید قرارداد مالی شماره {institutionContract.ContractNo}");
+            financialInvoiceItem = new FinancialInvoiceItem(invoiceItemDescription, invoiceAmount, 0, invoiceItemType, invoiceItemEntityId);
+            financialInvoice.AddItem(financialInvoiceItem);
+            await _financialInvoiceRepository.CreateAsync(financialInvoice);
+        }
 
-		var transaction = new PaymentTransaction(institutionContract.ContractingPartyId, invoiceAmount,
-			institutionContract.ContractingPartyName, "https://client.gozareshgir.ir",
-			PaymentTransactionGateWay.SepehrPay);
-		await _paymentTransactionRepository.CreateAsync(transaction);
-		await _financialInvoiceRepository.SaveChangesAsync();
+        await _financialInvoiceRepository.SaveChangesAsync();
 
-		var createPayment = new CreatePaymentGatewayRequest()
-		{
-			Amount = invoiceAmount,
-			TransactionId = transaction.id.ToString(),
-			CallBackUrl = callbackUrl,
-			FinancialInvoiceId = financialInvoice.id,
-		};
-		var gatewayResponse = await _paymentGateway.Create(createPayment);
-		if (!gatewayResponse.IsSuccess)
-			return op.Failed("خطا در ایجاد درگاه پرداخت: " + gatewayResponse.Message + gatewayResponse.ErrorCode);
+        // استفاده از سرویس مشترک برای ایجاد درگاه پرداخت
+        var gatewayResult = await _sepehrPaymentGatewayService.CreateSepehrPaymentGateway(
+            amount: (long)invoiceAmount,
+            contractingPartyId: institutionContract.ContractingPartyId,
+            gatewayCallbackUrl: callbackUrl,
+            financialInvoiceId: financialInvoice.id,
+            extraData: null);
 
-
-        // institutionContract.SetPendingWorkflow();
-        //
-        // var phone = institutionContract.ContactInfoList.FirstOrDefault(x =>
-        //     x.SendSms && x.Position == "طرف قرارداد" && x.PhoneType == "شماره همراه");
-        // if (phone !=null)
-        // {
-        //     var userPass = contractingParty.IsLegal == "حقیقی"
-        //         ? contractingParty.Nationalcode
-        //         : contractingParty.NationalId;
-        //     var createAcc = new RegisterAccount
-        //     {
-        //         Fullname = contractingParty.LName,
-        //         Username = userPass,
-        //         Password = userPass,
-        //         Mobile = phone.PhoneNumber,
-        //         NationalCode = userPass
-        //     };
-        //     var res = _accountApplication.RegisterClient(createAcc);
-        //     if (res.IsSuccedded) 
-        //         CreateContractingPartyAccount(contractingParty.id, res.SendId);
-        // }
+        if (!gatewayResult.IsSuccedded)
+        {
+            await dbTransaction.RollbackAsync();
+            return op.Failed(gatewayResult.Message);
+        }
 
         await dbTransaction.CommitAsync();
         await _institutionContractRepository.SaveChangesAsync();
-        return op.Succcedded(gatewayResponse.Token);
+        return op.Succcedded(gatewayResult.Data.Token);
     }
 
     public async Task<InstitutionContractWorkshopDetailViewModel> GetWorkshopInitialDetails(long workshopDetailsId)

CompanyManagment.Application/SepehrPaymentGatewayService.cs

@@ -0,0 +1,117 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using _0_Framework.Application;
+using _0_Framework.Application.PaymentGateway;
+using CompanyManagment.App.Contracts.PaymentTransaction;
+using CompanyManagment.App.Contracts.SepehrPaymentGateway;
+
+namespace CompanyManagment.Application;
+
+/// <summary>
+/// سرویس مشترک برای ایجاد درگاه پرداخت سپهر
+/// </summary>
+public class SepehrPaymentGatewayService : ISepehrPaymentGatewayService
+{
+    private readonly IPaymentGateway _paymentGateway;
+    private readonly IPaymentTransactionApplication _paymentTransactionApplication;
+
+    public SepehrPaymentGatewayService(
+        IPaymentTransactionApplication paymentTransactionApplication,
+        IHttpClientFactory httpClientFactory)
+    {
+        _paymentGateway = new SepehrPaymentGateway(httpClientFactory);
+        _paymentTransactionApplication = paymentTransactionApplication;
+    }
+
+    /// <summary>
+    /// ایجاد درگاه پرداخت سپهر برای یک تراکنش
+    /// </summary>
+    /// <param name="amount">مبلغ</param>
+    /// <param name="contractingPartyId">شناسه طرف قرارداد</param>
+    /// <param name="frontCallbackUrl">آدرس بازگشتی به فرانت برای نمایش نتیجه</param>
+    /// <param name="gatewayCallbackUrl">آدرس بازگشتی درگاه پرداخت</param>
+    /// <param name="financialInvoiceId">شناسه فاکتور مالی (اختیاری)</param>
+    /// <param name="extraData">داده‌های اضافی (اختیاری)</param>
+    /// <param name="cancellationToken">توکن لغو</param>
+    /// <returns>شامل Token درگاه یا OperationResult با خطا</returns>
+    public async Task<OperationResult<CreateSepehrPaymentGatewayResponse>> CreateSepehrPaymentGateway(
+        double amount,
+        long contractingPartyId,
+        long financialInvoiceId,
+        string gatewayCallbackUrl,
+        string frontCallbackUrl="https://client.gozareshgir.ir",
+        Dictionary<string, object> extraData = null,
+        CancellationToken cancellationToken = default)
+    {
+        var op = new OperationResult<CreateSepehrPaymentGatewayResponse>();
+
+        try
+        {
+            // گام 1: ایجاد تراکنش پرداخت
+            var transactionCommand = new CreatePaymentTransaction()
+            {
+                Amount = amount,
+                ContractingPartyId = contractingPartyId,
+                CallBackUrl = frontCallbackUrl,
+                Gateway = PaymentTransactionGateWay.SepehrPay
+            };
+
+            var transactionResult = await _paymentTransactionApplication.Create(transactionCommand);
+
+            if (!transactionResult.IsSuccedded)
+            {
+                return op.Failed(transactionResult.Message);
+            }
+
+            // گام 2: ایجاد درخواست درگاه پرداخت
+            extraData ??= new Dictionary<string, object>();
+
+            var createPaymentCommand = new CreatePaymentGatewayRequest()
+            {
+                Amount = amount,
+                TransactionId = transactionResult.SendId.ToString(),
+                CallBackUrl = gatewayCallbackUrl,
+                FinancialInvoiceId = financialInvoiceId,
+                ExtraData = extraData
+            };
+
+            // گام 3: ارسال درخواست به درگاه سپهر
+            var gatewayResponse = await _paymentGateway.Create(createPaymentCommand, cancellationToken);
+
+#if DEBUG
+            gatewayResponse.IsSuccess = true;    
+#endif
+            if (!gatewayResponse.IsSuccess)
+            {
+                return op.Failed($"خطا در ایجاد درگاه پرداخت: {gatewayResponse.Message ?? gatewayResponse.ErrorCode?.ToString()}");
+            }
+
+            // گام 4: ذخیره Token در تراکنش
+            var setTokenResult = await _paymentTransactionApplication.SetTransactionId(
+                transactionResult.SendId,
+                gatewayResponse.Token);
+
+            if (!setTokenResult.IsSuccedded)
+            {
+                return op.Failed("خطا در ذخیره Token درگاه");
+            }
+
+            // گام 5: بازگشت اطلاعات درگاه پرداخت
+            var response = new CreateSepehrPaymentGatewayResponse
+            {
+                Token = gatewayResponse.Token,
+                TransactionId = transactionResult.SendId,
+                PaymentUrl = _paymentGateway.GetStartPayUrl(gatewayResponse.Token)
+            };
+
+            return op.Succcedded(response);
+        }
+        catch (Exception ex)
+        {
+            return op.Failed($"خطا در ایجاد درگاه پرداخت: {ex.Message}");
+        }
+    }
+}