feat: make Workshops property public and update CalculateInstallment method visibility

CompanyManagment.EFCore/Repository/InstitutionContractRepository.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Diagnostics;
 using System.Drawing;
+using System.Globalization;
 using System.Linq;
 using System.Threading.Tasks;
 using _0_Framework.Application;
@@ -2235,7 +2236,7 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
             extensionNo, workshopsCount, employeeCount,
             previousInstitutionContract.Description,
             "NotOfficial", "JobRelation", hasValueAddedTax,
-            payment.Tax.MoneyToDouble(),[],
+            payment.Tax.MoneyToDouble(), [],
             request.LawId);
 
         await CreateAsync(entity);
@@ -2245,26 +2246,25 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
             var workshopDetail = new InstitutionContractWorkshopInitial(
                 workshop.WorkshopName, workshop.RollCall, workshop.RollCallInPerson,
                 workshop.CustomizeCheckout, workshop.ContractAndCheckout,
-                workshop.ContractAndCheckoutInPerson, workshop.Insurance, 
+                workshop.ContractAndCheckoutInPerson, workshop.Insurance,
                 workshop.InsuranceInPerson, workshop.CountPerson, workshop.Price);
-    
+
             workshopDetail.SetWorkshopGroup(entity.WorkshopGroup);
-            
+
             if (workshop.WorkshopId != 0)
             {
                 workshopDetail.SetWorkshopId(workshop.WorkshopId);
             }
             // Set parent reference
-    
+
             // Add to the parent's collection
             entity.WorkshopGroup.InitialWorkshops.Add(workshopDetail);
         }
 
 // Save the changes again
         await SaveChangesAsync();
-        
-        
-        
+
+
         FinancialStatment financialStatement;
         if (_context.FinancialStatments.Any(x => x.ContractingPartyId == contractingParty.id))
         {
@@ -2343,9 +2343,10 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
             .ThenInclude(x => x.CurrentWorkshops)
             .FirstOrDefaultAsync(x => x.id == institutionContractId);
 
-        if (institutionContract.WorkshopGroup.CurrentWorkshops.Any(x=>x.Price ==  0))
+        if (institutionContract.WorkshopGroup.CurrentWorkshops.Any(x => x.Price == 0))
         {
-            throw new BadRequestException("این قرارداد قابل ارتقا به صورت ظاهری نیست لطفا به صورت دیتابیسی اقدام به ویرایش کنید");
+            throw new BadRequestException(
+                "این قرارداد قابل ارتقا به صورت ظاهری نیست لطفا به صورت دیتابیسی اقدام به ویرایش کنید");
         }
 
         var workshops = institutionContract.WorkshopGroup.CurrentWorkshops.Select(x => new WorkshopTempViewModel()
@@ -2363,7 +2364,6 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
             WorkshopServicesAmount = x.Price,
             WorkshopId = x.WorkshopId ?? 0,
             RollCallInPerson = x.Services.RollCallInPerson,
-
         }).ToList();
         var res = new InstitutionContractAmendmentWorkshopsResponse()
         {
@@ -2372,9 +2372,10 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
         return res;
     }
 
-    public async Task<InsitutionContractAmendmentPaymentResponse> GetAmendmentPaymentDetails(InsitutionContractAmendmentPaymentRequest request)
+    public async Task<InsitutionContractAmendmentPaymentResponse> GetAmendmentPaymentDetails(
+        InsitutionContractAmendmentPaymentRequest request)
     {
-        var institutionContract =await _context.InstitutionContractSet
+        var institutionContract = await _context.InstitutionContractSet
             .Include(x => x.WorkshopGroup)
             .ThenInclude(x => x.CurrentWorkshops)
             .FirstOrDefaultAsync(x => x.id == request.InstitutionContractId);
@@ -2383,10 +2384,86 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
 
         var amendmentStart = DateTime.Now;
         var amendmentEnd = institutionContract.ContractEndGr;
-//TODO : محاسبه مبلغ بر اساس کارگاه های انتخاب شده
-        var res = new InsitutionContractAmendmentPaymentResponse();
-        return res;
 
+        var haContractInPerson = request.Workshops.Any(x => x.ContractAndCheckoutInPerson);
+        if (!haContractInPerson)
+        {
+            if (request.Workshops.Any(x => x.ContractAndCheckoutInPerson))
+            {
+                throw new BadRequestException("برای قرارداد آنلاین نمیتوان سرویس حضوری انتخاب کرد");
+            }
+        }
+
+        var pc = new PersianCalendar();
+
+        int startYear = pc.GetYear(amendmentStart);
+        int startMonth = pc.GetMonth(amendmentStart);
+        int startDay = pc.GetDayOfMonth(amendmentStart);
+
+        int endYear = pc.GetYear(amendmentEnd);
+        int endMonth = pc.GetMonth(amendmentEnd);
+        int endDay = pc.GetDayOfMonth(amendmentEnd);
+
+        // اختلاف خام ماه‌ها
+        int monthDiff = (endYear - startYear) * 12 + (endMonth - startMonth);
+
+        // اگر حتی چند روز از ماه بعدی هم گذشته بود → رند به بالا
+        if (endDay > startDay)
+            monthDiff++;
+        
+        var sumOneMonth = request.Workshops.Sum(x => x.WorkshopServicesAmount);
+        //TODO:مقدار جمع مبالغ باید از دیتابیس موقت گرفته شود.
+        
+        var baseAmount = monthDiff * sumOneMonth;
+        var tax = baseAmount*0.10;
+        var totalPayment = tax+baseAmount;
+
+
+        var res = new InsitutionContractAmendmentPaymentResponse()
+        {
+            ContractStart = amendmentStart.ToFarsi(),
+            ContractEnd = amendmentEnd.ToFarsi(),
+            OneMonthAmount = sumOneMonth.ToMoney(),
+            TotalAmount = baseAmount.ToMoney(),
+        };
+        
+        res.OneTime = new InstitutionContractPaymentOneTimeViewModel()
+        {
+            TotalAmount = baseAmount.ToMoney(),
+            PaymentAmount = totalPayment.ToMoney(),
+            Tax = tax.ToMoney()
+        };
+        
+        if (haContractInPerson)
+        {
+            var installment = InstitutionMonthlyInstallmentCaculation(monthDiff,totalPayment, amendmentStart.ToFarsi());
+            var firstInstallment = new MonthlyInstallment()
+            {
+                InstallmentAmountStr = installment.First().InstallmentAmountStr,
+                InstallmentCounter = installment.First().InstallmentCounter,
+                InstalmentDate = amendmentStart.ToFarsi()
+            };
+            var lastInstallment = new MonthlyInstallment()
+            {
+                InstallmentAmountStr = installment.Last().InstallmentAmountStr,
+                InstallmentCounter = installment.Last().InstallmentCounter,
+                InstalmentDate = installment.Last().InstalmentDate
+            };
+            installment.Remove(installment.First());
+            installment.Remove(installment.Last());
+            installment.Insert(0, firstInstallment);
+            installment.Add(lastInstallment);
+            res.Monthly = new InstitutionContractPaymentMonthlyViewModel()
+            {
+                Installments = installment,
+                TotalAmount = baseAmount.ToMoney(),
+                PaymentAmount = totalPayment.ToMoney(),
+                Tax = tax.ToMoney()
+
+            };
+
+        }
+        return res;
     }
 
     private InstitutionContractExtensionPaymentResponse CalculateInPersonPayment(
@@ -2411,7 +2488,7 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
         // حالت پرداخت اقساطی
         var monthlyTax = baseAmount * 0.10;
         var monthlyTotal = baseAmount + monthlyTax;
-        var installments = InstitutionMonthlyInstallmentCaculation(duration, monthlyTotal, selectedPlan.ContractStart);
+        var installments = InstitutionMonthlyInstallmentCaculation((int)duration, monthlyTotal, selectedPlan.ContractStart);
 
         res.Monthly = new()
         {
@@ -2493,7 +2570,7 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
         return result;
     }
 
-    public static List<MonthlyInstallment> InstitutionMonthlyInstallmentCaculation(InstitutionContractDuration duration,
+    public static List<MonthlyInstallment> InstitutionMonthlyInstallmentCaculation(int duration,
         double monthlyTotalPaymentDouble,
         string installmentstart)
     {
@@ -2501,7 +2578,7 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
         var installmentList = new List<MonthlyInstallment>();
 
 
-        int instalmentCount = (int)duration;
+        int instalmentCount = duration;
         var instalmentAmount = monthlyTotalPaymentDouble / instalmentCount;
         int currentInstallmentStartDay = int.Parse(installmentstart.Substring(8, 2));
         bool endOfMonth = currentInstallmentStartDay == 31;
@@ -2561,6 +2638,7 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
 
     #endregion
 
+    
 
     #region CustomViewModels