feat: add installment management to InstitutionContract and related classes

Company.Domain/FinancialStatmentAgg/FinancialStatment.cs

@@ -37,4 +37,12 @@ public class FinancialStatment : EntityBase
     {
         PublicId = Guid.NewGuid();
     }
+    
+    public void AddFinancialTransaction(FinancialTransaction financialTransaction)
+    {
+        if (financialTransaction == null)
+            throw new ArgumentNullException(nameof(financialTransaction));
+        FinancialTransactionList.Add(financialTransaction);
+    }
+    
 }

Company.Domain/InstitutionContractAgg/InstitutionContract.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Security.Cryptography;
+using _0_Framework.Application;
 using _0_Framework.Domain;
 using Company.Domain.InstitutionContractContactInfoAgg;
 using CompanyManagment.App.Contracts.InstitutionContract;
@@ -50,6 +51,7 @@ public class InstitutionContract : EntityBase
         Status = InstitutionContractStatus.Incomplete;
         ContactInfoList = [];
         WorkshopDetails = [];
+        Installments = [];
     }
 
     public string ContractNo { get; private set; }
@@ -98,10 +100,13 @@ public class InstitutionContract : EntityBase
 
     public List<InstitutionContractContactInfo> ContactInfoList { get; set; }
 
+    public List<InstitutionContractInstallment> Installments { get; set; }
+
     public InstitutionContract()
     {
-        ContactInfoList = new List<InstitutionContractContactInfo>();
+        ContactInfoList = [];
-        WorkshopDetails = new List<InstitutionContractWorkshopDetail>();
+        WorkshopDetails = [];
+        Installments = [];
     }
 
     public void Edit(DateTime contractDateGr, string contractDateFa, string state, string city, string address,
@@ -168,6 +173,11 @@ public class InstitutionContract : EntityBase
     {
         WorkshopDetails = commandWorkshops;
     }
+
+    public void SetInstallments(List<InstitutionContractInstallment> installments)
+    {
+        Installments = installments;
+    }
 }
 
 public class InstitutionContractWorkshopDetail:EntityBase
@@ -242,4 +252,26 @@ public enum InstitutionContractStatus
     /// تکمیل شده - قرارداد به طور کامل انجام شده و نهایی شده است
     /// </summary>
     Completed = 1
+}
+
+public class InstitutionContractInstallment
+{
+    public InstitutionContractInstallment(DateTime installmentDateGr, double amount,
+        string description)
+    {
+        InstallmentDateGr = installmentDateGr;
+        InstallmentDateFa = installmentDateGr.ToFarsi();
+        Amount = amount;
+        Description = description;
+    }
+
+    public long Id { get; private set; }
+    public DateTime InstallmentDateGr { get; private set; }
+    public string InstallmentDateFa { get; private set; }
+    public double Amount { get; private set; }
+    public string Description { get; private set; }
+    
+    public long InstitutionContractId { get; private set; }
+    
+    public InstitutionContract InstitutionContract { get; private set; }
 }

CompanyManagment.App.Contracts/InstitutionContract/IInstitutionContractApplication.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Drawing;
 using System.Linq;
@@ -10,53 +11,149 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace CompanyManagment.App.Contracts.InstitutionContract;
 
+/// <summary>
+/// رابط اپلیکیشن قراردادهای مؤسسه
+/// مدیریت عملیات مربوط به قراردادهای مالی مؤسسات
+/// </summary>
 public interface IInstitutionContractApplication
 {
+    /// <summary>
+    /// ایجاد قرارداد جدید
+    /// </summary>
+    /// <param name="command">اطلاعات قرارداد جدید</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult Create(CreateInstitutionContract command);
+    
+    /// <summary>
+    /// تمدید قرارداد موجود
+    /// </summary>
+    /// <param name="command">اطلاعات قرارداد برای تمدید</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult Extension(CreateInstitutionContract command);
+    
+    /// <summary>
+    /// ویرایش قرارداد موجود
+    /// </summary>
+    /// <param name="command">اطلاعات جدید قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult Edit(EditInstitutionContract command);
+    
+    /// <summary>
+    /// دریافت جزئیات قرارداد برای ویرایش
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>اطلاعات قرارداد</returns>
     EditInstitutionContract GetDetails(long id);
 
+    /// <summary>
+    /// جستجو در قراردادها
+    /// </summary>
+    /// <param name="searchModel">مدل جستجو</param>
+    /// <returns>لیست قراردادها</returns>
     List<InstitutionContractViewModel> Search(InstitutionContractSearchModel searchModel);
+    
+    /// <summary>
+    /// جستجوی جدید در قراردادها
+    /// </summary>
+    /// <param name="searchModel">مدل جستجو</param>
+    /// <returns>لیست قراردادها</returns>
     List<InstitutionContractViewModel> NewSearch(InstitutionContractSearchModel searchModel);
 
     /// <summary>
-    /// دریافت اطلاعات قزداد های مالی فعال 
+    /// دریافت اطلاعات قرارداد های مالی فعال 
     ///دارای کارگاه
     /// جهت ست کردن سرویس ها از طریق اکسل
     /// </summary>
     /// <returns></returns>
     List<InstitutionContractViewModel> GetInstitutionContractToSetServicesExcelImport();
 
+    /// <summary>
+    /// چاپ مجموعه قراردادها
+    /// </summary>
+    /// <param name="id">لیست شناسه قراردادها</param>
+    /// <returns>لیست قراردادها برای چاپ</returns>
     List<InstitutionContractViewModel> PrintAll(List<long> id);
+    
+    /// <summary>
+    /// چاپ یک قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>اطلاعات قرارداد برای چاپ</returns>
     InstitutionContractViewModel PrintOne(long id);
 
+    /// <summary>
+    /// فعال کردن قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult Active(long id);
 
-
+    /// <summary>
+    /// غیرفعال کردن قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult DeActive(long id);
 
-
+    /// <summary>
+    /// غیرفعال کردن قرارداد (حالت آبی)
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult DeActiveBlue(long id);
 
-
+    /// <summary>
+    /// غیرفعال کردن تمام اتصالات قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult DeActiveAllConnections(long id);
 
-
+    /// <summary>
+    /// فعال کردن مجدد تمام اتصالات قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult ReActiveAllConnections(long id);
 
+    /// <summary>
+    /// فعال کردن مجدد تمام قراردادها بعد از ایجاد قرارداد جدید
+    /// </summary>
+    /// <param name="contractingPartyId">شناسه طرف قرارداد</param>
     void ReActiveAllAfterCreateNew(long contractingPartyId);
 
-    
+    /// <summary>
+    /// حذف قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
     void RemoveContract(long id);
 
-
+    /// <summary>
+    /// امضای قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult Sign(long id);
 
-
+    /// <summary>
+    /// لغو امضای قرارداد
+    /// </summary>
+    /// <param name="id">شناسه قرارداد</param>
+    /// <returns>نتیجه عملیات</returns>
     OperationResult UnSign(long id);
+    
+    /// <summary>
+    /// ایجاد حساب کاربری برای طرف قرارداد
+    /// </summary>
+    /// <param name="contractingPartyid">شناسه طرف قرارداد</param>
+    /// <param name="accountId">شناسه حساب کاربری</param>
     void CreateContractingPartyAccount(long contractingPartyid, long accountId);
 
+    /// <summary>
+    /// محاسبه مبلغ قرارداد بر اساس تعداد افراد
+    /// </summary>
+    /// <param name="countPerson">تعداد افراد</param>
+    /// <returns>مبلغ قرارداد</returns>
     double GetcontractAmount(int countPerson);
 
     #region Api
@@ -82,53 +179,110 @@ public interface IInstitutionContractApplication
     /// <param name="command"></param>
     /// <returns></returns>
     Task<OperationResult> CreateAsync(CreateInstitutionContractRequest command);
+
     /// <summary>
     /// ویرایش
     /// </summary>
     /// <param name="command"></param>
     /// <returns></returns>
     Task<OperationResult> EditAsync(EditInstitutionContractRequest command);
+
     /// <summary>
     /// تمدید قرارداد
     /// </summary>
     /// <param name="command"></param>
     /// <returns></returns>
     Task<OperationResult> ExtensionَAsync(CreateInstitutionContractRequest command);
-    
+
-    
     #endregion
 }
 
 public class GetInstitutionContractListStatsViewModel
 {
     /// <summary>
-    /// Represents the total outstanding debt of institution contracts.
+    /// مجموع بدهی قراردادهای مؤسسه
-    /// This property aggregates the liabilities of the respective contracts and provides
+    /// این ویژگی بدهی‌های قراردادهای مربوطه را تجمیع می‌کند و
-    /// a single metric to measure financial obligations.
+    /// یک معیار واحد برای اندازه‌گیری تعهدات مالی ارائه می‌دهد
     /// </summary>
     public double TotalDebt { get; set; }
 
     /// <summary>
-    /// Represents the total monetary value associated with institution contracts.
+    /// مجموع ارزش پولی مرتبط با قراردادهای مؤسسه
-    /// This property consolidates the aggregate amount from relevant contracts
+    /// این ویژگی مبلغ کل قراردادهای مربوطه را برای
-    /// for financial reporting and analysis.
+    /// گزارش‌گیری و تجزیه و تحلیل مالی تجمیع می‌کند
     /// </summary>
     public double TotalAmount { get; set; }
 
     /// <summary>
-    /// Represents a collection of counts for institution contracts categorized by their status.
+    /// مجموعه‌ای از تعداد قراردادهای مؤسسه دسته‌بندی شده بر اساس وضعیت
-    /// This property provides the count of contracts for each status defined in the
+    /// این ویژگی تعداد قراردادها را برای هر وضعیت تعریف شده در
-    /// InstitutionContractStatus enumeration, enabling analysis and monitoring of contract distribution.
+    /// شمارش InstitutionContractStatus ارائه می‌دهد که امکان تجزیه و تحلیل و نظارت بر توزیع قراردادها را فراهم می‌کند
     /// </summary>
-    public List<InstitutionContractStatusCount> Counts { get; set; } 
+    public List<InstitutionContractStatusCount> Counts { get; set; }
 }
 
+/// <summary>
+/// شمارش وضعیت قراردادهای مؤسسه
+/// نمایش تعداد قراردادها برای هر وضعیت خاص
+/// </summary>
 public class InstitutionContractStatusCount
 {
+    /// <summary>
+    /// وضعیت لیست قرارداد
+    /// </summary>
     public InstitutionContractListStatus ListStatus { get; set; }
+    
+    /// <summary>
+    /// تعداد قراردادها در این وضعیت
+    /// </summary>
     public int Count { get; set; }
 }
-public class ExtenstionInstitutionContractRequest:EditInstitutionContractRequest
+
+/// <summary>
+/// درخواست تمدید قرارداد مؤسسه
+/// شامل اطلاعات قرارداد قبلی برای فرآیند تمدید
+/// </summary>
+public class ExtenstionInstitutionContractRequest : EditInstitutionContractRequest
 {
+    /// <summary>
+    /// شناسه قرارداد قبلی که قرار است تمدید شود
+    /// </summary>
     public long PreviousContractId { get; set; }
+}
+
+/// <summary>
+/// مدل نمایش اقساط قرارداد مؤسسه
+/// شامل اطلاعات مربوط به هر قسط از قرارداد
+/// </summary>
+public class InstitutionContractInstallmentViewModel
+{
+    /// <summary>
+    /// شناسه یکتای قسط
+    /// </summary>
+    public long Id { get; set; }
+    
+    /// <summary>
+    /// تاریخ میلادی قسط
+    /// </summary>
+    public DateTime InstallmentDateGr { get; set; }
+    
+    /// <summary>
+    /// تاریخ فارسی قسط
+    /// </summary>
+    public string InstallmentDateFa { get; set; }
+    
+    /// <summary>
+    /// مبلغ قسط
+    /// </summary>
+    public double Amount { get; set; }
+    
+    /// <summary>
+    /// توضیحات قسط
+    /// </summary>
+    public string Description { get; set; }
+
+    /// <summary>
+    /// شناسه قرارداد مؤسسه مربوط به این قسط
+    /// </summary>
+    public long InstitutionContractId { get; set; }
 }

CompanyManagment.Application/InstitutionContractApplication.cs

@@ -9,6 +9,8 @@ using _0_Framework.Exceptions;
 using Company.Domain.ContarctingPartyAgg;
 using Company.Domain.EmployeeAgg;
 using Company.Domain.empolyerAgg;
+using Company.Domain.FinancialStatmentAgg;
+using Company.Domain.FinancialTransactionAgg;
 using Company.Domain.InstitutionContractAgg;
 using Company.Domain.LeftWorkAgg;
 using Company.Domain.RepresentativeAgg;
@@ -21,6 +23,7 @@ using CompanyManagment.App.Contracts.Workshop;
 using CompanyManagment.EFCore.Migrations;
 using PersianTools.Core;
 using ConnectedPersonnelViewModel = CompanyManagment.App.Contracts.Workshop.ConnectedPersonnelViewModel;
+using FinancialStatment = Company.Domain.FinancialStatmentAgg.FinancialStatment;
 
 namespace CompanyManagment.Application;
 
@@ -35,6 +38,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
     private readonly ILeftWorkRepository _leftWorkRepository;
     private readonly IWorkshopApplication _workshopApplication;
     private readonly IContractingPartyTempRepository _contractingPartyTempRepository;
+    private readonly IFinancialStatmentRepository _financialStatmentRepository;
 
 
     public InstitutionContractApplication(IInstitutionContractRepository institutionContractRepository,
@@ -42,7 +46,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         IRepresentativeRepository representativeRepository, IEmployerRepository employerRepository,
         IWorkshopRepository workshopRepository, ILeftWorkRepository leftWorkRepository,
         IFinancialStatmentApplication financialStatmentApplication, IWorkshopApplication workshopApplication,
-        IContractingPartyTempRepository contractingPartyTempRepository)
+        IContractingPartyTempRepository contractingPartyTempRepository, IFinancialStatmentRepository financialStatmentRepository)
     {
         _institutionContractRepository = institutionContractRepository;
         _contractingPartyRepository = contractingPartyRepository;
@@ -53,6 +57,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         _financialStatmentApplication = financialStatmentApplication;
         _workshopApplication = workshopApplication;
         _contractingPartyTempRepository = contractingPartyTempRepository;
+        _financialStatmentRepository = financialStatmentRepository;
     }
 
     public OperationResult Create(CreateInstitutionContract command)
@@ -937,42 +942,72 @@ public class InstitutionContractApplication : IInstitutionContractApplication
 
         contractStartGr.AddMonthsFa((int)command.Duration, out var contractEndGr);
         contractEndGr = contractEndGr.ToFarsi().FindeEndOfMonth().ToGeorgianDateTime();
-        var contractDateGr = DateTime.Today;
+        
+        var today = DateTime.Today;
+        
+        var contractDateGr = today;
         var contractDateFa = contractDateGr.ToFarsi();
 
 
         //Todo: Calculate Amount.
-        double contractAmount = 0;
+
-        
+
-        if (command.IsInstallment)
+        var hasValueAddedTax = command.TaxAmount > 0 ? "true" : "false";
-        {
+
-            
-        }
-        else
-        {
-            
-        }
-        
-        var hasValueAddedTax = command.TaxAmount> 0 ? "true" : "false";
-        
         var contractingPartyFullName = contractingParty.FName + " " + contractingParty.LName;
-        
+
         var entity = new InstitutionContract(contractNo, command.RepresentativeId, representative.FullName,
             contractingParty.id,
             contractingPartyFullName, contractDateGr, contractDateFa, command.Province, command.City, command.Address,
             contractStartGr,
-            contractStartGr.ToFarsi(), contractEndGr, contractEndGr.ToFarsi(),contractAmount, command.DailyCompensation,
+            contractStartGr.ToFarsi(), contractEndGr, contractEndGr.ToFarsi(), 0, command.DailyCompensation,
-            command.Obligation,command.TotalAmount, 0,
+            command.Obligation, command.TotalAmount, 0,
             command.Workshops.Count.ToString(),
             command.Workshops.Sum(x => x.PersonnelCount).ToString(), command.Description,
-            "Official", "JobRelation",hasValueAddedTax
+            "NotOfficial", "JobRelation", hasValueAddedTax
             , command.TaxAmount);
 
+
         var workshopDetails = command.Workshops.Select(x =>
             new InstitutionContractWorkshopDetail(x.WorkshopName, x.HasRollCallPlan, x.HasCustomizeCheckoutPlan,
                 x.HasContractPlan, x.PersonnelCount)).ToList();
-        
+
+        var financialStatement = new FinancialStatment(contractingParty.id,contractingPartyFullName);
+
+        if (command.IsInstallment)
+        {
+            var installments = 
+                CalculateInstallment(command.TotalAmount, (int)command.Duration, command.ContractStartFa, true);
+            
+            // دریافت مبلغ اولین قسط
+            //این کار برای این هست که اولین قسط باید با تاریخ امروز باشد و باید به وضعیت مالی بدهی ایجاد شود که یوزر اولین بدهی را وارد کند
+            var firstInstallmentAmount = installments.First().Amount;
+            
+            // حذف اولین قسط
+            installments.RemoveAt(0);
+            
+            // ایجاد قسط جدید با تاریخ امروز 
+            var todayInstallment = new InstitutionContractInstallment(DateTime.Today, firstInstallmentAmount, "");
+            
+            var financialTransaction = new FinancialTransaction(0,today,today.ToFarsi(),
+                "قسط اول سرویس", "debt","بابت خدمات",firstInstallmentAmount,0,0);
+            
+            financialStatement.AddFinancialTransaction(financialTransaction);
+            
+            // اضافه کردن قسط جدید به ابتدای لیست
+            installments.Insert(0, todayInstallment);
+            
+            entity.SetInstallments(installments);
+        }
+        else
+        {
+            var financialTransaction = new FinancialTransaction(0, today, today.ToFarsi(),
+                "پرداخت کل سرویس", "debt", "بابت خدمات", command.TotalAmount, 0, 0);
+            financialStatement.AddFinancialTransaction(financialTransaction);
+        }
+
         entity.SetWorkshopDetails(workshopDetails);
+        await _financialStatmentRepository.CreateAsync(financialStatement);
         await _institutionContractRepository.CreateAsync(entity);
         await _institutionContractRepository.SaveChangesAsync();
         await transaction.CommitAsync();
@@ -1025,7 +1060,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
             "*", "*", request.RegisterId, request.NationalId,
             "حقوقی",
             request.PhoneNumber, request.PhoneNumber, null, representativeId, representative.FullName,
-            archiveCode, null, null, null, null,request.Position);
+            archiveCode, null, null, null, null, request.Position);
 
 
         await _contractingPartyRepository.CreateAsync(legalContractingParty);
@@ -1075,6 +1110,97 @@ public class InstitutionContractApplication : IInstitutionContractApplication
 
         return operation.Succcedded(personalContractingParty);
     }
+
+    private List<InstitutionContractInstallment> CalculateInstallment(double amount, int installmentCount,
+        string loanStartDate, bool getRounded)
+    {
+        int day = Convert.ToInt32(loanStartDate.Substring(8, 2));
+        int month = Convert.ToInt32(loanStartDate.Substring(5, 2));
+        int year = Convert.ToInt32(loanStartDate.Substring(0, 4));
+
+        var installments = new List<InstitutionContractInstallment>();
+
+
+        bool endOfMonth = day == 31;
+
+
+        var dividedAmount = amount / installmentCount;
+
+        double moneyPerMonth = 0;
+
+        if (getRounded)
+            moneyPerMonth = Math.Floor(dividedAmount / 1000) * 1000;
+        else
+            moneyPerMonth = Math.Floor(dividedAmount);
+
+        double lastLoan = amount - (moneyPerMonth * (installmentCount - 1));
+
+        if (endOfMonth)
+        {
+            for (int i = 1; i < installmentCount; i++)
+            {
+                var installment =
+                    new InstitutionContractInstallment(loanStartDate.ToGeorgianDateTime(), moneyPerMonth, "");
+
+                installments.Add(installment);
+
+                if (month == 12)
+                {
+                    year++;
+                    month = 1;
+                }
+                else
+                {
+                    month++;
+                }
+
+                loanStartDate = $"{year:0000}/{month:00}/01".FindeEndOfMonth();
+            }
+
+            var lastInstallment = new InstitutionContractInstallment(loanStartDate.ToGeorgianDateTime(), lastLoan, "");
+
+            installments.Add(lastInstallment);
+            return installments;
+        }
+        else
+        {
+            for (int i = 1; i < installmentCount; i++)
+            {
+                var installment =
+                    new InstitutionContractInstallment(loanStartDate.ToGeorgianDateTime(), moneyPerMonth, "");
+
+                installments.Add(installment);
+                var endDay = 0;
+
+                if (month == 12)
+                {
+                    year++;
+                    month = 1;
+                }
+                else
+                {
+                    month++;
+                }
+
+                if (day == 30)
+                {
+                    if (month == 12)
+                    {
+                        var lastYearDay =
+                            Convert.ToInt32($"{year:0000}/{month:00}/1".FindeEndOfMonth().Substring(8, 2));
+                        endDay = lastYearDay == 30 ? lastYearDay : 29;
+                    }
+                }
+
+                loanStartDate =
+                    endDay == 0 ? $"{year:0000}/{month:00}/{day:00}" : $"{year:0000}/{month:00}/{endDay:00}";
+            }
+
+            var lastInstallment = new InstitutionContractInstallment(loanStartDate.ToGeorgianDateTime(), lastLoan, "");
+            installments.Add(lastInstallment);
+            return installments;
+        }
+    }
 }
 
 #region CustomViewModels

CompanyManagment.Application/LoanApplication.cs

@@ -200,7 +200,8 @@ public class LoanApplication : ILoanApplication
                     DateGr = loanStartDate.ToGeorgianDateTime(),
                     Month = loanStartDate.Substring(5, 2),
                     Year = loanStartDate.Substring(0, 4),
-                    Day = loanStartDate.Substring(8, 2)
+                    Day = loanStartDate.Substring(8, 2),
+                    AmountDouble = moneyPerMonth
                 };
 
                 installments.Add(installment);
@@ -225,7 +226,8 @@ public class LoanApplication : ILoanApplication
                 DateGr = loanStartDate.ToGeorgianDateTime(),
                 Month = loanStartDate.Substring(5, 2),
                 Year = loanStartDate.Substring(0, 4),
-                Day = loanStartDate.Substring(8, 2)
+                Day = loanStartDate.Substring(8, 2),
+                AmountDouble = lastLoan
 
             };
             installments.Add(lastInstallment);
@@ -243,7 +245,8 @@ public class LoanApplication : ILoanApplication
                     DateGr = loanStartDate.ToGeorgianDateTime(),
                     Month = loanStartDate.Substring(5, 2),
                     Year = loanStartDate.Substring(0, 4),
-                    Day = loanStartDate.Substring(8, 2)
+                    Day = loanStartDate.Substring(8, 2),
+                    AmountDouble = moneyPerMonth
                 };
 
                 installments.Add(installment);
@@ -278,7 +281,8 @@ public class LoanApplication : ILoanApplication
                 DateGr = loanStartDate.ToGeorgianDateTime(),
                 Month = loanStartDate.Substring(5, 2),
                 Year = loanStartDate.Substring(0, 4),
-                Day = loanStartDate.Substring(8, 2)
+                Day = loanStartDate.Substring(8, 2),
+                AmountDouble = lastLoan
 
             };
             installments.Add(lastInstallment);

CompanyManagment.EFCore/Mapping/InstitutionContractInstallmentMapping.cs

@@ -0,0 +1,23 @@
+using Company.Domain.InstitutionContractAgg;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace CompanyManagment.EFCore.Mapping;
+
+public class InstitutionContractInstallmentMapping : IEntityTypeConfiguration<InstitutionContractInstallment>
+{
+    public void Configure(EntityTypeBuilder<InstitutionContractInstallment> builder)
+    {
+        builder.ToTable("InstitutionContractInstallments");
+        builder.HasKey(x => x.Id);
+
+        builder.Property(x => x.InstallmentDateFa).HasMaxLength(10).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(1000);
+        builder.Property(x => x.Amount).IsRequired();
+
+        builder.HasOne(x => x.InstitutionContract)
+            .WithMany(x => x.Installments)
+            .HasForeignKey(x => x.InstitutionContractId)
+            .OnDelete(DeleteBehavior.Cascade);
+    }
+}

CompanyManagment.EFCore/Mapping/InstitutionContractMapping.cs

@@ -37,7 +37,9 @@ public class InstitutionContractMapping : IEntityTypeConfiguration<InstitutionCo
             workshopDetail.Property(x => x.WorkshopId).IsRequired(false);
         });
 
-
+        builder.HasMany(x => x.Installments)
+            .WithOne(x => x.InstitutionContract)
+            .HasForeignKey(x => x.InstitutionContractId);
 
         builder.HasMany(x => x.ContactInfoList)
             .WithOne(x => x.InstitutionContracts)

DadmehrGostar.sln.DotSettings

@@ -2,5 +2,6 @@
 	<s:Boolean x:Key="/Default/CodeEditing/SuppressNullableWarningFix/Enabled/@EntryValue">False</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Aqaye/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Govermentlist/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=managment/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Mcls/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Pardakht/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>