add endpoint to remove employee roll calls by date

# Conflicts:
#	ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/Projects/Queries/ProjectBoardList/ProjectBoardListResponse.cs

.gitignore

@@ -364,3 +364,7 @@ MigrationBackup/
 .idea
 /ServiceHost/appsettings.Development.json
 /ServiceHost/appsettings.json
+
+# Storage folder - ignore all uploaded files, thumbnails, and temporary files
+ServiceHost/Storage
+

0_Framework/Application/PagedResult.cs

@@ -7,7 +7,7 @@ namespace _0_Framework.Application;
 public class PagedResult<T> where T : class
 {
     public int TotalCount  { get; set; }
-    public List<T> List { get; set; }
+    public List<T> List { get; set; } = [];
 }
 public class PagedResult<T,TMeta>:PagedResult<T> where T : class
 {

Company.Domain/InstitutionContractSendFlagAgg/IInstitutionContractSendFlagRepository.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Company.Domain.InstitutionContractSendFlagAgg;
+
+/// <summary>
+/// Interface برای Repository مربوط به فلگ ارسال قرارداد
+/// </summary>
+public interface IInstitutionContractSendFlagRepository
+{
+    /// <summary>
+    /// ایجاد یک رکورد جدید برای فلگ ارسال قرارداد
+    /// </summary>
+    Task Create(InstitutionContractSendFlag flag);
+
+    /// <summary>
+    /// بازیابی فلگ بر اساس شناسه قرارداد
+    /// </summary>
+    Task<InstitutionContractSendFlag> GetByContractId(long contractId);
+
+    /// <summary>
+    /// به‌روزرسانی فلگ ارسال
+    /// </summary>
+    Task Update(InstitutionContractSendFlag flag);
+
+    /// <summary>
+    /// بررسی اینکه آیا قرارداد ارسال شده است
+    /// </summary>
+    Task<bool> IsContractSent(long contractId);
+    
+
+}
+

Company.Domain/InstitutionContractSendFlagAgg/InstitutionContractSendFlag.cs

@@ -0,0 +1,82 @@
+using System;
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace Company.Domain.InstitutionContractSendFlagAgg;
+
+/// <summary>
+/// نمایندگی فلگ ارسال قرارداد در MongoDB
+/// این موجودیت برای ردیابی اینکه آیا قرارداد ارسال شده است استفاده می‌شود
+/// </summary>
+public class InstitutionContractSendFlag
+{
+    public InstitutionContractSendFlag(long institutionContractId,bool isSent)
+    {
+        Id = Guid.NewGuid();
+        InstitutionContractId = institutionContractId;
+        IsSent = isSent;
+        CreatedDate = DateTime.Now;
+    }
+
+    /// <summary>
+    /// شناسه یکتای MongoDB
+    /// </summary>
+    [BsonId]
+    [BsonRepresentation(BsonType.String)]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// شناسه قرارداد در SQL
+    /// </summary>
+    public long InstitutionContractId { get; set; }
+    
+    /// <summary>
+    /// آیا قرارداد ارسال شده است
+    /// </summary>
+    public bool IsSent { get; set; }
+
+    /// <summary>
+    /// تاریخ و زمان ارسال
+    /// </summary>
+    public DateTime? SentDate { get; set; }
+
+    /// <summary>
+    /// تاریخ و زمان ایجاد رکورد
+    /// </summary>
+    public DateTime CreatedDate { get; set; }
+
+    /// <summary>
+    /// تاریخ و زمان آخرین به‌روزرسانی
+    /// </summary>
+    public DateTime? LastModifiedDate { get; set; }
+    
+
+    /// <summary>
+    /// علامت‌گذاری قرارداد به عنوان ارسال‌شده
+    /// </summary>
+    public void MarkAsSent()
+    {
+        IsSent = true;
+        SentDate = DateTime.Now;
+        LastModifiedDate = DateTime.Now;
+    }
+
+    /// <summary>
+    /// بازگردانی علامت ارسال
+    /// </summary>
+    public void MarkAsNotSent()
+    {
+        IsSent = false;
+        SentDate = null;
+        LastModifiedDate = DateTime.Now;
+    }
+
+    /// <summary>
+    /// به‌روزرسانی علامت آخری اصلاح
+    /// </summary>
+    public void UpdateLastModified()
+    {
+        LastModifiedDate = DateTime.Now;
+    }
+}
+

Company.Domain/RollCallAgg/IRollCallRepository.cs

@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using _0_Framework.Application;
 using _0_Framework.Domain;
 using CompanyManagment.App.Contracts.RollCall;
 using CompanyManagment.App.Contracts.WorkingHoursTemp;
@@ -91,5 +92,9 @@ namespace Company.Domain.RollCallAgg
         Task<List<RollCall>> GetRollCallsUntilNowWithWorkshopIdEmployeeIds(long workshopId, List<long> employeeIds,
             DateTime fromDate);
         #endregion
+
+        Task<PagedResult<RollCallCaseHistoryTitleDto>> GetCaseHistoryTitles(long workshopId,RollCallCaseHistorySearchModel searchModel);
+        Task<List<RollCallCaseHistoryDetail>> GetCaseHistoryDetails(long workshopId,
+            string titleId, RollCallCaseHistorySearchModel searchModel);
     }
 }

CompanyManagement.Infrastructure.Excel/RollCall/RollCallExcelGenerator.cs

@@ -1,6 +1,12 @@
 using _0_Framework.Excel;
+using _0_Framework.Application;
+using CompanyManagment.App.Contracts.RollCall;
 using OfficeOpenXml;
 using OfficeOpenXml.Drawing;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
 
 namespace CompanyManagement.Infrastructure.Excel.RollCall;
 
@@ -308,6 +314,111 @@ public class RollCallExcelGenerator : ExcelGenerator
         return package.GetAsByteArray();
     }
 
+    public static byte[] CaseHistoryExcelForEmployee(List<RollCallCaseHistoryDetail> data, string titleId)
+    {
+        if (!Regex.IsMatch(titleId, @"^\d{4}_\d{2}$"))
+            throw new ArgumentException("Invalid titleId format.", nameof(titleId));
+
+        var splitDate = titleId.Split("_");
+        var year = Convert.ToInt32(splitDate.First());
+        var month = Convert.ToInt32(splitDate.Last());
+
+        var startDateFa = $"{year:D4}/{month:D2}/01";
+        var startDate = startDateFa.ToGeorgianDateTime();
+        var endDateFa = startDateFa.FindeEndOfMonth();
+        var endDate = endDateFa.ToGeorgianDateTime();
+
+        var dateRange = (int)(endDate.Date - startDate.Date).TotalDays + 1;
+        var dates = Enumerable.Range(0, dateRange).Select(x => startDate.AddDays(x)).ToList();
+
+        var safeData = data ?? new List<RollCallCaseHistoryDetail>();
+        var first = safeData.FirstOrDefault();
+        var totalWorkingTime = new TimeSpan(safeData.Sum(x => x.TotalWorkingTime.Ticks));
+
+        var viewModel = new CaseHistoryRollCallExcelForEmployeeViewModel
+        {
+            EmployeeId = first?.EmployeeId ?? 0,
+            DateGr = startDate,
+            PersonnelCode = first?.PersonnelCode,
+            EmployeeFullName = first?.EmployeeFullName,
+            PersianMonthName = month.ToFarsiMonthByIntNumber(),
+            PersianYear = year.ToString(),
+            TotalWorkingHoursFa = totalWorkingTime.ToFarsiHoursAndMinutes("-"),
+            TotalWorkingTimeSpan = $"{(int)totalWorkingTime.TotalHours}:{totalWorkingTime.Minutes:00}",
+            RollCalls = dates.Select((date, index) =>
+            {
+                var item = index < safeData.Count ? safeData[index] : null;
+                var records = item?.Records ?? new List<RollCallCaseHistoryDetailRecord>();
+
+                return new RollCallItemForEmployeeExcelViewModel
+                {
+                    DateGr = date,
+                    DateFa = date.ToFarsi(),
+                    DayOfWeekFa = date.DayOfWeek.DayOfWeeKToPersian(),
+                    PersonnelCode = item?.PersonnelCode,
+                    EmployeeFullName = item?.EmployeeFullName,
+                    IsAbsent = item?.Status == RollCallRecordStatus.Absent,
+                    HasLeave = item?.Status == RollCallRecordStatus.Leaved,
+                    IsHoliday = false,
+                    TotalWorkingHours = (item?.TotalWorkingTime ?? TimeSpan.Zero).ToFarsiHoursAndMinutes("-"),
+                    StartsItems = JoinRecords(records, r => r.StartTime),
+                    EndsItems = JoinRecords(records, r => r.EndTime),
+                    EnterTimeDifferences = JoinRecords(records, r => FormatSignedTimeSpan(r.EntryTimeDifference)),
+                    ExitTimeDifferences = JoinRecords(records, r => FormatSignedTimeSpan(r.ExitTimeDifference))
+                };
+            }).ToList()
+        };
+
+        return CaseHistoryExcelForEmployee(viewModel);
+    }
+
+    public static byte[] CaseHistoryExcelForOneDay(List<RollCallCaseHistoryDetail> data, string titleId)
+    {
+        if (!Regex.IsMatch(titleId, @"^\d{4}/\d{2}/\d{2}$"))
+            throw new ArgumentException("Invalid titleId format.", nameof(titleId));
+
+        var dateGr = titleId.ToGeorgianDateTime();
+        var safeData = data ?? new List<RollCallCaseHistoryDetail>();
+
+        var viewModel = new CaseHistoryRollCallForOneDayViewModel
+        {
+            DateFa = titleId,
+            DateGr = dateGr,
+            DayOfWeekFa = dateGr.DayOfWeek.DayOfWeeKToPersian(),
+            RollCalls = safeData.Select(item =>
+            {
+                var records = item.Records ?? new List<RollCallCaseHistoryDetailRecord>();
+                return new RollCallItemForOneDayExcelViewModel
+                {
+                    EmployeeFullName = item.EmployeeFullName,
+                    PersonnelCode = item.PersonnelCode,
+                    StartsItems = JoinRecords(records, r => r.StartTime),
+                    EndsItems = JoinRecords(records, r => r.EndTime),
+                    TotalWorkingHours = item.TotalWorkingTime.ToFarsiHoursAndMinutes("-")
+                };
+            }).ToList()
+        };
+
+        return CaseHistoryExcelForOneDay(viewModel);
+    }
+
+    private static string JoinRecords(IEnumerable<RollCallCaseHistoryDetailRecord> records, Func<RollCallCaseHistoryDetailRecord, string> selector)
+    {
+        var safeRecords = records ?? Enumerable.Empty<RollCallCaseHistoryDetailRecord>();
+        var values = safeRecords.Select(selector).Where(x => !string.IsNullOrWhiteSpace(x)).ToList();
+        return values.Count == 0 ? string.Empty : string.Join(Environment.NewLine, values);
+    }
+
+    private static string FormatSignedTimeSpan(TimeSpan value)
+    {
+        if (value == TimeSpan.Zero)
+            return "-";
+
+        var abs = value.Duration();
+        var sign = value.Ticks < 0 ? "-" : "+";
+        return $"{(int)abs.TotalHours}:{abs.Minutes:00}{sign}";
+    }
+
     private string CalculateExitMinuteDifference(TimeSpan early, TimeSpan late)
     {
         if (early == TimeSpan.Zero && late == TimeSpan.Zero)

CompanyManagement.Infrastructure.Mongo/InstitutionContractSendFlagRepo/InstitutionContractSendFlagRepository.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Company.Domain.InstitutionContractSendFlagAgg;
+using MongoDB.Driver;
+
+namespace CompanyManagement.Infrastructure.Mongo.InstitutionContractSendFlagRepo;
+
+/// <summary>
+/// Repository برای مدیریت فلگ ارسال قرارداد در MongoDB
+/// </summary>
+public class InstitutionContractSendFlagRepository : IInstitutionContractSendFlagRepository
+{
+    private readonly IMongoCollection<InstitutionContractSendFlag> _collection;
+
+    public InstitutionContractSendFlagRepository(IMongoDatabase database)
+    {
+        _collection = database.GetCollection<InstitutionContractSendFlag>("InstitutionContractSendFlag");
+    }
+    
+    public async Task Create(InstitutionContractSendFlag flag)
+    {
+        await _collection.InsertOneAsync(flag);
+    }
+
+    public async Task<InstitutionContractSendFlag> GetByContractId(long contractId)
+    {
+        var filter = Builders<InstitutionContractSendFlag>.Filter
+            .Eq(x => x.InstitutionContractId, contractId);
+        
+        return await _collection.Find(filter).FirstOrDefaultAsync();
+    }
+    
+
+    public async Task Update(InstitutionContractSendFlag flag)
+    {
+        var filter = Builders<InstitutionContractSendFlag>.Filter
+            .Eq(x => x.InstitutionContractId, flag.InstitutionContractId);
+        
+        await _collection.ReplaceOneAsync(filter, flag);
+    }
+
+    public async Task<bool> IsContractSent(long contractId)
+    {
+        var flag = await GetByContractId(contractId);
+        return flag != null && flag.IsSent;
+    }
+
+    public async Task Remove(long contractId)
+    {
+        var filter = Builders<InstitutionContractSendFlag>.Filter
+            .Eq(x => x.InstitutionContractId, contractId);
+        
+        await _collection.DeleteOneAsync(filter);
+    }
+    
+}
+

CompanyManagment.App.Contracts/InstitutionContract/GetInstitutionContractListItemsViewModel.cs

@@ -96,6 +96,8 @@ public class GetInstitutionContractListItemsViewModel
     /// مبلغ قسط
     /// </summary>
     public double InstallmentAmount { get; set; }
+
+    public bool InstitutionContractIsSentFlag { get; set; }
 }
 
 public class InstitutionContractListWorkshop

CompanyManagment.App.Contracts/InstitutionContract/IInstitutionContractApplication.cs

@@ -305,6 +305,14 @@ public interface IInstitutionContractApplication
     Task<InstitutionContractDiscountResponse> SetDiscountForCreation(InstitutionContractSetDiscountForCreationRequest request);
     Task<InstitutionContractDiscountResponse> ResetDiscountForCreation(InstitutionContractResetDiscountForExtensionRequest request);
     Task<OperationResult> CreationComplete(InstitutionContractExtensionCompleteRequest request);
+
+    /// <summary>
+    /// تعیین فلگ ارسال قرارداد در MongoDB
+    /// اگر فلگ وجود نداشتن‌د ایجاد می‌کند
+    /// </summary>
+    /// <param name="request">درخواست تعیین فلگ</param>
+    /// <returns>نتیجه عملیات</returns>
+    Task<OperationResult> SetContractSendFlag(SetInstitutionContractSendFlagRequest request);
 }
 
 public class CreationSetContractingPartyResponse

CompanyManagment.App.Contracts/InstitutionContract/SetInstitutionContractSendFlagRequest.cs

@@ -0,0 +1,19 @@
+namespace CompanyManagment.App.Contracts.InstitutionContract;
+
+/// <summary>
+/// درخواست برای تعیین فلگ ارسال قرارداد
+/// </summary>
+public class SetInstitutionContractSendFlagRequest
+{
+    /// <summary>
+    /// شناسه قرارداد
+    /// </summary>
+    public long InstitutionContractId { get; set; }
+
+    /// <summary>
+    /// آیا قرارداد ارسال شده است
+    /// </summary>
+    public bool IsSent { get; set; }
+    
+}
+

CompanyManagment.App.Contracts/RollCall/IRollCallApplication.cs

@@ -4,6 +4,8 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using _0_Framework.Application;
+using CompanyManagment.App.Contracts.Workshop;
+using Microsoft.AspNetCore.Mvc;
 
 namespace CompanyManagment.App.Contracts.RollCall
 {
@@ -125,7 +127,62 @@ namespace CompanyManagment.App.Contracts.RollCall
         /// <param name="command"></param>
         /// <returns></returns>
         Task<OperationResult> RecalculateValues(long workshopId, List<ReCalculateRollCallValues> command);
+
+        Task<PagedResult<RollCallCaseHistoryTitleDto>> GetCaseHistoryTitles(long workshopId,RollCallCaseHistorySearchModel searchModel);
+        Task<List<RollCallCaseHistoryDetail>> GetCaseHistoryDetails(long workshopId, string titleId,
+	        RollCallCaseHistorySearchModel searchModel);
+
+        Task<RollCallCaseHistoryExcelDto> DownloadCaseHistoryExcel(long workshopId, string titleId,
+	        RollCallCaseHistorySearchModel searchModel);
     }
+
+    public class RollCallCaseHistoryExcelDto
+    {
+	    public byte[] Bytes { get; set; }
+	    public string FileName { get; set; }
+	    public string MimeType { get; set; }
+    }
+
+    public class RollCallCaseHistoryDetail
+    {
+	    public string EmployeeFullName { get; set; }
+	    public string PersonnelCode { get; set; }
+	    public TimeSpan TotalWorkingTime { get; set; }
+	    public List<RollCallCaseHistoryDetailRecord> Records { get; set; }
+	    public RollCallRecordStatus Status { get; set; }
+	    public long EmployeeId { get; set; }
+    }
+
+    public enum RollCallRecordStatus
+    {
+	    Worked = 0,
+	    Absent = 1,
+	    Leaved = 2
+    }
+
+    public class RollCallCaseHistoryDetailRecord
+    {
+	    public TimeSpan EntryTimeDifference { get; set; }
+	    public string StartTime { get; set; }
+	    public string EndTime { get; set; }
+	    public TimeSpan ExitTimeDifference { get; set; }
+	    
+    }
+
+    public class RollCallCaseHistorySearchModel:PaginationRequest
+    {
+	    public string StartDate { get; set; }
+	    public string EndDate { get; set; }
+	    public string OneDayDate { get; set; }
+	    public long? EmployeeId { get; set; }
+    }
+
+    public class RollCallCaseHistoryTitleDto
+    {
+	    public string Id { get; set; }
+	    public string Title { get; set; }
+    }
+
     public class ReCalculateRollCallValues
     {
         public long EmployeeId { get; set; }

CompanyManagment.Application/CompanyManagment.Application.csproj

@@ -13,6 +13,7 @@
   <ItemGroup>
     <ProjectReference Include="..\0_Framework\0_Framework.csproj" />
     <ProjectReference Include="..\Company.Domain\Company.Domain.csproj" />
+    <ProjectReference Include="..\CompanyManagement.Infrastructure.Excel\CompanyManagement.Infrastructure.Excel.csproj" />
     <ProjectReference Include="..\CompanyManagment.App.Contracts\CompanyManagment.App.Contracts.csproj" />
     <ProjectReference Include="..\CompanyManagment.EFCore\CompanyManagment.EFCore.csproj" />
   </ItemGroup>

CompanyManagment.Application/InstitutionContractApplication.cs

@@ -19,6 +19,7 @@ using Company.Domain.PaymentTransactionAgg;
 using Company.Domain.RepresentativeAgg;
 using Company.Domain.RollCallServiceAgg;
 using Company.Domain.WorkshopAgg;
+using Company.Domain.InstitutionContractSendFlagAgg;
 using CompanyManagment.App.Contracts.FinancialInvoice;
 using CompanyManagment.App.Contracts.FinancialStatment;
 using CompanyManagment.App.Contracts.InstitutionContract;
@@ -51,6 +52,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
     private readonly IPaymentTransactionRepository _paymentTransactionRepository;
     private readonly IRollCallServiceRepository _rollCallServiceRepository;
     private readonly ISepehrPaymentGatewayService _sepehrPaymentGatewayService;
+    private readonly IInstitutionContractSendFlagRepository _institutionContractSendFlagRepository;
 
 
     public InstitutionContractApplication(IInstitutionContractRepository institutionContractRepository,
@@ -62,7 +64,8 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         IAccountApplication accountApplication, ISmsService smsService,
         IFinancialInvoiceRepository financialInvoiceRepository, IHttpClientFactory httpClientFactory,
         IPaymentTransactionRepository paymentTransactionRepository, IRollCallServiceRepository rollCallServiceRepository,
-        ISepehrPaymentGatewayService sepehrPaymentGatewayService,ILogger<SepehrPaymentGateway> sepehrGatewayLogger)
+        ISepehrPaymentGatewayService sepehrPaymentGatewayService,ILogger<SepehrPaymentGateway> sepehrGatewayLogger,
+        IInstitutionContractSendFlagRepository institutionContractSendFlagRepository)
     {
         _institutionContractRepository = institutionContractRepository;
         _contractingPartyRepository = contractingPartyRepository;
@@ -80,6 +83,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         _rollCallServiceRepository = rollCallServiceRepository;
         _sepehrPaymentGatewayService = sepehrPaymentGatewayService;
         _paymentGateway = new SepehrPaymentGateway(httpClientFactory,sepehrGatewayLogger);
+        _institutionContractSendFlagRepository = institutionContractSendFlagRepository;
     }
 
 	public OperationResult Create(CreateInstitutionContract command)
@@ -894,6 +898,7 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         return opration.Succcedded();
     }
 
+
     public void CreateContractingPartyAccount(long contractingPartyid, long accountId)
     {
         _institutionContractRepository.CreateContractingPartyAccount(contractingPartyid, accountId);
@@ -1820,6 +1825,59 @@ public class InstitutionContractApplication : IInstitutionContractApplication
             installments.Add(lastInstallment);
             return installments;
         }
+
+     
+    }
+       /// <summary>
+        /// تعیین فلگ ارسال قرارداد
+        /// اگر فلگ وجود نداشتن‌د ایجاد می‌کند
+        /// </summary>
+        public async Task<OperationResult> SetContractSendFlag(SetInstitutionContractSendFlagRequest request)
+        {
+            var operationResult = new OperationResult();
+
+            try
+            {
+                // بازیابی قرارداد از SQL
+                var contract = _institutionContractRepository.Get(request.InstitutionContractId);
+                if (contract == null)
+                    return operationResult.Failed("قرارداد مورد نظر یافت نشد");
+
+                // بررسی اینکه آیا فلگ در MongoDB وجود دارد
+                var existingFlag = await _institutionContractSendFlagRepository
+                    .GetByContractId(request.InstitutionContractId);
+
+                if (existingFlag != null)
+                {
+                    // اگر فلگ وجود داشتن‌د، آن را اپدیت کنیم
+                    if (request.IsSent)
+                    {
+                        existingFlag.MarkAsSent();
+                    }
+                    else
+                    {
+                        existingFlag.MarkAsNotSent();
+                    }
+                    existingFlag.UpdateLastModified();
+                    await _institutionContractSendFlagRepository.Update(existingFlag);
+                }
+                else
+                {
+                    // اگر فلگ وجود ندارد، آن را ایجاد کنیم
+                    var newFlag = new InstitutionContractSendFlag(
+                        request.InstitutionContractId,
+                        request.IsSent
+                    );
+
+                    await _institutionContractSendFlagRepository.Create(newFlag);
+                }
+
+                return operationResult.Succcedded();
+            }
+            catch (Exception ex)
+            {
+                return operationResult.Failed($"خطا در تعیین فلگ ارسال: {ex.Message}");
+            }
         }
 }
 

CompanyManagment.Application/RollCallApplication.cs

@@ -3,9 +3,11 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using _0_Framework.Application;
 using _0_Framework.Domain.CustomizeCheckoutShared.Enums;
+using _0_Framework.Exceptions;
 using Company.Domain.CheckoutAgg;
 using Company.Domain.CustomizeCheckoutAgg;
 using Company.Domain.CustomizeCheckoutTempAgg;
@@ -16,6 +18,8 @@ using Company.Domain.LeaveAgg;
 using Company.Domain.RollCallAgg;
 using Company.Domain.RollCallAgg.DomainService;
 using Company.Domain.RollCallEmployeeAgg;
+using Company.Domain.WorkshopAgg;
+using CompanyManagement.Infrastructure.Excel.RollCall;
 using CompanyManagment.App.Contracts.Checkout;
 using CompanyManagment.App.Contracts.Employee;
 using CompanyManagment.App.Contracts.RollCall;
@@ -34,8 +38,9 @@ public class RollCallApplication : IRollCallApplication
 	private readonly ICustomizeWorkshopSettingsRepository _customizeWorkshopSettingsRepository;
 	private readonly ICustomizeWorkshopEmployeeSettingsRepository _customizeWorkshopEmployeeSettingsRepository;
     private readonly ICustomizeCheckoutTempRepository _customizeCheckoutTempRepository;
+    private readonly IWorkshopRepository _workshopRepository;
 
-    public RollCallApplication(IRollCallRepository rollCallRepository, IRollCallEmployeeRepository rollCallEmployeeRepository, IEmployeeRepository employeeRepository, ILeaveRepository leaveRepository, ICustomizeCheckoutRepository customizeCheckoutRepository, ICheckoutRepository checkoutRepository, IRollCallDomainService rollCallDomainService, ICustomizeWorkshopSettingsRepository customizeWorkshopSettingsRepository, ICustomizeWorkshopEmployeeSettingsRepository customizeWorkshopEmployeeSettingsRepository, ICustomizeCheckoutTempRepository customizeCheckoutTempRepository)
+    public RollCallApplication(IRollCallRepository rollCallRepository, IRollCallEmployeeRepository rollCallEmployeeRepository, IEmployeeRepository employeeRepository, ILeaveRepository leaveRepository, ICustomizeCheckoutRepository customizeCheckoutRepository, ICheckoutRepository checkoutRepository, IRollCallDomainService rollCallDomainService, ICustomizeWorkshopSettingsRepository customizeWorkshopSettingsRepository, ICustomizeWorkshopEmployeeSettingsRepository customizeWorkshopEmployeeSettingsRepository, ICustomizeCheckoutTempRepository customizeCheckoutTempRepository, IWorkshopRepository workshopRepository)
 	{
 		_rollCallRepository = rollCallRepository;
 		_rollCallEmployeeRepository = rollCallEmployeeRepository;
@@ -47,6 +52,7 @@ public class RollCallApplication : IRollCallApplication
 		_customizeWorkshopSettingsRepository = customizeWorkshopSettingsRepository;
 		_customizeWorkshopEmployeeSettingsRepository = customizeWorkshopEmployeeSettingsRepository;
         _customizeCheckoutTempRepository = customizeCheckoutTempRepository;
+        _workshopRepository = workshopRepository;
 	}
 
 	public OperationResult Create(CreateRollCall command)
@@ -858,4 +864,58 @@ public class RollCallApplication : IRollCallApplication
         }
     }
 
+    public async Task<PagedResult<RollCallCaseHistoryTitleDto>> GetCaseHistoryTitles(long workshopId,
+	    RollCallCaseHistorySearchModel searchModel)
+    {
+	    return await _rollCallRepository.GetCaseHistoryTitles(workshopId,searchModel);
+    }
+
+    public async Task<List<RollCallCaseHistoryDetail>> GetCaseHistoryDetails(long workshopId,
+	    string titleId, RollCallCaseHistorySearchModel searchModel)
+    {
+	    return await _rollCallRepository.GetCaseHistoryDetails(workshopId, titleId, searchModel);
+    }
+
+    public async Task<RollCallCaseHistoryExcelDto> DownloadCaseHistoryExcel(long workshopId, string titleId,
+        RollCallCaseHistorySearchModel searchModel)
+    {
+        var data = await _rollCallRepository
+            .GetCaseHistoryDetails(workshopId, titleId, searchModel);
+        string nameSecondPart = "";
+        byte[] excelBytes;
+
+        if (Regex.IsMatch(titleId, @"^\d{4}_\d{2}$"))
+        {
+            var splitDate = titleId.Split("_");
+            var year = Convert.ToInt32(splitDate.First());
+            var month = Convert.ToInt32(splitDate.Last());
+
+            var monthName = Convert.ToInt32(month).ToFarsiMonthByIntNumber();
+            nameSecondPart = $"{year}/{monthName}";
+            excelBytes = RollCallExcelGenerator.CaseHistoryExcelForEmployee(data, titleId);
+        }
+        else if (Regex.IsMatch(titleId, @"^\d{4}/\d{2}/\d{2}$"))
+        {
+            var oneDayDate = titleId.ToGeorgianDateTime();
+            nameSecondPart = $" {oneDayDate.DayOfWeek.DayOfWeeKToPersian()}،{titleId}";
+            excelBytes = RollCallExcelGenerator.CaseHistoryExcelForOneDay(data, titleId);
+        }
+        else
+        {
+            throw new BadRequestException("شناسه سر تیتر وارد شده نامعتبر است");
+        }
+
+        var workshopFullName = _workshopRepository.Get(workshopId)?.WorkshopFullName ?? "بدون کارگاه";
+
+        var fileName = $"{workshopFullName} - {nameSecondPart}.xlsx";
+
+        var res = new RollCallCaseHistoryExcelDto()
+        {
+            Bytes = excelBytes,
+            MimeType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+            FileName = fileName
+        };
+
+        return res;
+    }
 }

CompanyManagment.EFCore/Repository/EmployeeDocumentsRepository.cs

@@ -713,10 +713,15 @@ public class EmployeeDocumentsRepository : RepositoryBase<long, EmployeeDocument
         var itemsQuery = _companyContext.EmployeeDocumentItems
             .Where(x => x.DocumentStatus != DocumentStatus.Unsubmitted)
             .Include(x => x.EmployeeDocuments)
-            .ThenInclude(x => x.Workshop).ThenInclude(x => x.WorkshopEmployers).ThenInclude(x => x.Employer)
-            .GroupBy(x => x.WorkshopId).Select(x => new WorkshopWithEmployeeDocumentsViewModel()
+            .ThenInclude(x => x.Workshop)
+            .ThenInclude(x => x.WorkshopEmployers)
+            .ThenInclude(x => x.Employer)
+            .GroupBy(x => x.WorkshopId)
+            .Select(x => new WorkshopWithEmployeeDocumentsViewModel()
             {
-                SubmittedItemsCount = x.Count(y => y.DocumentStatus == DocumentStatus.SubmittedByAdmin || y.DocumentStatus == DocumentStatus.SubmittedByClient),
+                SubmittedItemsCount = x
+                    .Count(y => y.DocumentStatus == DocumentStatus.SubmittedByAdmin 
+                                || y.DocumentStatus == DocumentStatus.SubmittedByClient),
                 WorkshopId = x.Key,
                 WorkshopFullName = x.First().EmployeeDocuments.Workshop.WorkshopName,
                 EmployerName = x.First().EmployeeDocuments.Workshop.WorkshopEmployers.First().Employer.FullName

CompanyManagment.EFCore/Repository/InstitutionContractRepository.cs

@@ -11,6 +11,7 @@ using Company.Domain.InstitutionContractAgg;
 using Company.Domain.InstitutionContractAmendmentTempAgg;
 using Company.Domain.InstitutionContractContactInfoAgg;
 using Company.Domain.InstitutionContractExtensionTempAgg;
+using Company.Domain.InstitutionContractSendFlagAgg;
 using Company.Domain.InstitutionPlanAgg;
 using Company.Domain.SmsResultAgg;
 using Company.Domain.WorkshopAgg;
@@ -42,6 +43,7 @@ using AccountManagement.Application.Contracts.Account;
 using Company.Domain.InstitutionContractCreationTempAgg;
 using Company.Domain.RepresentativeAgg;
 using Company.Domain.TemporaryClientRegistrationAgg;
+using Company.Domain.InstitutionContractSendFlagAgg;
 using ContractingPartyAccount = Company.Domain.ContractingPartyAccountAgg.ContractingPartyAccount;
 using FinancialStatment = Company.Domain.FinancialStatmentAgg.FinancialStatment;
 using String = System.String;
@@ -57,6 +59,7 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
     private readonly IMongoCollection<InstitutionContractExtensionTemp> _institutionExtensionTemp;
     private readonly IMongoCollection<InstitutionContractAmendmentTemp> _institutionAmendmentTemp;
     private readonly IMongoCollection<InstitutionContractCreationTemp> _institutionContractCreationTemp;
+    private readonly IMongoCollection<InstitutionContractSendFlag> _institutionContractSendFlag;
     private readonly IPlanPercentageRepository _planPercentageRepository;
     private readonly ISmsService _smsService;
     private readonly ISmsResultRepository _smsResultRepository;
@@ -114,6 +117,8 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
             database.GetCollection<InstitutionContractAmendmentTemp>("InstitutionContractAmendmentTemp");
         _institutionContractCreationTemp =
             database.GetCollection<InstitutionContractCreationTemp>("InstitutionContractCreationTemp");
+        _institutionContractSendFlag =
+            database.GetCollection<InstitutionContractSendFlag>("InstitutionContractSendFlag");
     }
 
     public EditInstitutionContract GetDetails(long id)
@@ -1353,6 +1358,12 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
             .Where(x => contractIds.Contains(x.InstitutionContractId))
             .ToDictionaryAsync(x => x.InstitutionContractId, x => x);
 
+        // بارگذاری وضعیت ارسال قراردادها از MongoDB - کوئری مستقیم
+        var filter = Builders<InstitutionContractSendFlag>.Filter
+            .In(x => x.InstitutionContractId, contractIds);
+        var sendFlagsList = await _institutionContractSendFlag.Find(filter).ToListAsync();
+        var sendFlags = sendFlagsList.ToDictionary(x => x.InstitutionContractId, x => x.IsSent);
+
         var financialStatements = _context.FinancialStatments.Include(x => x.FinancialTransactionList)
             .Where(x => contractingPartyIds.Contains(x.ContractingPartyId)).ToList();
         var res = new PagedResult<GetInstitutionContractListItemsViewModel>()
@@ -1462,7 +1473,8 @@ public class InstitutionContractRepository : RepositoryBase<long, InstitutionCon
                     Workshops = workshopDetails,
                     IsInPersonContract = workshopGroup?.CurrentWorkshops
                         .Any(y => y.Services.ContractInPerson) ?? true,
-                    IsOldContract = x.contract.SigningType == InstitutionContractSigningType.Legacy
+                    IsOldContract = x.contract.SigningType == InstitutionContractSigningType.Legacy,
+                    InstitutionContractIsSentFlag = sendFlags.ContainsKey(x.contract.id) ? sendFlags[x.contract.id] : false
                 };
             }).ToList()
         };

DadmehrGostar.sln

@@ -89,6 +89,9 @@ EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BackgroundInstitutionContract.Task", "BackgroundInstitutionContract\BackgroundInstitutionContract.Task\BackgroundInstitutionContract.Task.csproj", "{F78FBB92-294B-88BA-168D-F0C578B0D7D6}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "ProgramManager", "ProgramManager", "{67AFF7B6-4C4F-464C-A90D-9BDB644D83A9}"
+	ProjectSection(SolutionItems) = preProject
+		ProgramManager\appsettings.FileStorage.json = ProgramManager\appsettings.FileStorage.json
+	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{48F6F6A5-7340-42F8-9216-BEB7A4B7D5A1}"
 EndProject

PersonalContractingParty.Config/PersonalBootstrapper.cs

@@ -61,6 +61,7 @@ using Company.Domain.HolidayItemAgg;
 using Company.Domain.InstitutionContractAgg;
 using Company.Domain.InstitutionContractContactInfoAgg;
 using Company.Domain.InstitutionContractExtensionTempAgg;
+using Company.Domain.InstitutionContractSendFlagAgg;
 using Company.Domain.InstitutionPlanAgg;
 using Company.Domain.InsuranceAgg;
 using Company.Domain.InsuranceEmployeeInfoAgg;
@@ -123,6 +124,7 @@ using Company.Domain.ZoneAgg;
 using CompanyManagement.Infrastructure.Excel.SalaryAid;
 using CompanyManagement.Infrastructure.Mongo.EmployeeFaceEmbeddingRepo;
 using CompanyManagement.Infrastructure.Mongo.InstitutionContractInsertTempRepo;
+using CompanyManagement.Infrastructure.Mongo.InstitutionContractSendFlagRepo;
 using CompanyManagment.App.Contracts.AdminMonthlyOverview;
 using CompanyManagment.App.Contracts.AndroidApkVersion;
 using CompanyManagment.App.Contracts.AuthorizedPerson;
@@ -658,6 +660,9 @@ public class PersonalBootstrapper
         services.AddTransient<ICameraBugReportApplication, CameraBugReportApplication>();
         services.AddTransient<ICameraBugReportRepository, CameraBugReportRepository>(); // MongoDB Implementation
 
+        // InstitutionContractSendFlag - MongoDB
+        services.AddTransient<IInstitutionContractSendFlagRepository, InstitutionContractSendFlagRepository>();
+
         services.AddDbContext<CompanyContext>(x => x.UseSqlServer(connectionString));
     }
 }

ProgramManager/src/Application/GozareshgirProgramManager.Application/GozareshgirProgramManager.Application.csproj

@@ -9,6 +9,7 @@
     <ItemGroup>
         <PackageReference Include="FluentValidation" Version="12.1.1" />
         <PackageReference Include="MediatR" Version="14.0.0" />
+        <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.3.0" />
         <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.1" />
         <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.1" />
     </ItemGroup>
@@ -18,4 +19,10 @@
       <ProjectReference Include="..\..\Domain\GozareshgirProgramManager.Domain\GozareshgirProgramManager.Domain.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+      <Reference Include="Microsoft.AspNetCore.Http.Features">
+        <HintPath>C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App\10.0.1\Microsoft.AspNetCore.Http.Features.dll</HintPath>
+      </Reference>
+    </ItemGroup>
+
 </Project>

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/Projects/Queries/ProjectBoardList/ProjectBoardListQuery.cs

@@ -6,5 +6,6 @@ namespace GozareshgirProgramManager.Application.Modules.Projects.Queries.Project
 
 public record ProjectBoardListQuery: IBaseQuery<List<ProjectBoardListResponse>>
 {
+    public long? UserId { get; set; }
     public TaskSectionStatus? Status { get; set; }
 }

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/Projects/Queries/ProjectBoardList/ProjectBoardListQueryHandler.cs

@@ -41,6 +41,11 @@ public class ProjectBoardListQueryHandler : IBaseQueryHandler<ProjectBoardListQu
             queryable = queryable.Where(x => x.Status == request.Status);
         }
 
+        if (request.UserId is > 0)
+        {
+            queryable = queryable.Where(x => x.CurrentAssignedUserId == request.UserId);
+        }
+        
         var data = await queryable.ToListAsync(cancellationToken);
 
         var activityUserIds = data.SelectMany(x => x.Activities).Select(a => a.UserId).Distinct().ToList();
@@ -117,6 +122,7 @@ public class ProjectBoardListQueryHandler : IBaseQueryHandler<ProjectBoardListQu
                     AssignedUser = x.CurrentAssignedUserId == x.OriginalAssignedUserId ? null 
                         : users.GetValueOrDefault(x.CurrentAssignedUserId, "ناشناس"),
                     SkillName =  x.Skill?.Name??"-",
+                    TaskId = x.TaskId
                 };
             }).ToList();
 

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/Projects/Queries/ProjectBoardList/ProjectBoardListResponse.cs

@@ -14,6 +14,7 @@ public class ProjectBoardListResponse
     public string OriginalUser { get; set; }
     public string SkillName { get; set; }
     public ProjectTaskPriority TaskPriority { get; set; }
+    public Guid TaskId { get; set; }
     
 }
 public class ProjectProgressDto

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/Projects/Queries/ProjectDeployBoardDetail/ProjectDeployBoardDetailsQueryHandler.cs

@@ -21,7 +21,7 @@ public record ProjectDeployBoardDetailTaskItem(
     TimeSpan DoneTimeSpan,
     int Percentage,
     List<ProjectDeployBoardDetailItemSkill> Skills)
-    : ProjectDeployBoardDetailPhaseItem(Name, TotalTimeSpan, DoneTimeSpan,Percentage);
+    : ProjectDeployBoardDetailPhaseItem(Name, TotalTimeSpan, DoneTimeSpan, Percentage);
 
 public record ProjectDeployBoardDetailItemSkill(string OriginalUserFullName, string SkillName, int TimePercentage);
 
@@ -73,6 +73,7 @@ public class
 
             var doneTime = t.Sections.Aggregate(TimeSpan.Zero,
                 (sum, next) => sum.Add(next.GetTotalTimeSpent()));
+
             var skills = t.Sections
                 .Select(s =>
                 {
@@ -88,7 +89,17 @@ public class
                         skillName,
                         timePercentage);
                 }).ToList();
-            var taskPercentage = (int)Math.Round(skills.Average(x => x.TimePercentage));
+
+            int taskPercentage;
+
+            if (skills.Count == 0)
+            {
+                taskPercentage = 0;
+            }
+            else
+            {
+                taskPercentage = (int)Math.Round(skills.Average(x => x.TimePercentage));
+            }
 
             return new ProjectDeployBoardDetailTaskItem(
                 t.Name,

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Commands/DeleteMessage/DeleteMessageCommand.cs

@@ -0,0 +1,47 @@
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Domain._Common.Exceptions;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Commands.DeleteMessage;
+
+public record DeleteMessageCommand(Guid MessageId) : IBaseCommand;
+
+public class DeleteMessageCommandHandler : IBaseCommandHandler<DeleteMessageCommand>
+{
+    private readonly ITaskChatMessageRepository _repository;
+    private readonly IAuthHelper _authHelper;
+
+    public DeleteMessageCommandHandler(ITaskChatMessageRepository repository, IAuthHelper authHelper)
+    {
+        _repository = repository;
+        _authHelper = authHelper;
+    }
+
+    public async Task<OperationResult> Handle(DeleteMessageCommand request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId()??
+                            throw new UnAuthorizedException("کاربر احراز هویت نشده است");
+
+        var message = await _repository.GetByIdAsync(request.MessageId);
+        if (message == null)
+        {
+            return OperationResult.NotFound("پیام یافت نشد");
+        }
+
+        try
+        {
+            message.DeleteMessage(currentUserId);
+            await _repository.UpdateAsync(message);
+            await _repository.SaveChangesAsync();
+
+            // TODO: SignalR notification
+
+            return OperationResult.Success();
+        }
+        catch (Exception ex)
+        {
+            return OperationResult.ValidationError(ex.Message);
+        }
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Commands/EditMessage/EditMessageCommand.cs

@@ -0,0 +1,51 @@
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Domain._Common.Exceptions;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
+using MediatR;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Commands.EditMessage;
+
+public record EditMessageCommand(
+    Guid MessageId,
+    string NewTextContent
+) : IBaseCommand;
+
+public class EditMessageCommandHandler : IBaseCommandHandler<EditMessageCommand>
+{
+    private readonly ITaskChatMessageRepository _repository;
+    private readonly IAuthHelper _authHelper;
+
+    public EditMessageCommandHandler(ITaskChatMessageRepository repository, IAuthHelper authHelper)
+    {
+        _repository = repository;
+        _authHelper = authHelper;
+    }
+
+    public async Task<OperationResult> Handle(EditMessageCommand request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId()??
+                            throw new UnAuthorizedException("کاربر احراز هویت نشده است");
+
+        var message = await _repository.GetByIdAsync(request.MessageId);
+        if (message == null)
+        {
+            return OperationResult.NotFound("پیام یافت نشد");
+        }
+
+        try
+        {
+            message.EditMessage(request.NewTextContent, currentUserId);
+            await _repository.UpdateAsync(message);
+            await _repository.SaveChangesAsync();
+
+            // TODO: SignalR notification
+
+            return OperationResult.Success();
+        }
+        catch (Exception ex)
+        {
+            return OperationResult.ValidationError(ex.Message);
+        }
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Commands/PinMessage/PinMessageCommand.cs

@@ -0,0 +1,46 @@
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Domain._Common.Exceptions;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
+using MediatR;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Commands.PinMessage;
+
+public record PinMessageCommand(Guid MessageId) : IBaseCommand;
+
+public class PinMessageCommandHandler : IBaseCommandHandler<PinMessageCommand>
+{
+    private readonly ITaskChatMessageRepository _repository;
+    private  readonly IAuthHelper _authHelper;
+
+    public PinMessageCommandHandler(ITaskChatMessageRepository repository, IAuthHelper authHelper)
+    {
+        _repository = repository;
+        _authHelper = authHelper;
+    }
+
+    public async Task<OperationResult> Handle(PinMessageCommand request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId()??
+                            throw new UnAuthorizedException("کاربر احراز هویت نشده است");
+
+        var message = await _repository.GetByIdAsync(request.MessageId);
+        if (message == null)
+        {
+            return OperationResult.NotFound("پیام یافت نشد");
+        }
+
+        try
+        {
+            message.PinMessage(currentUserId);
+            await _repository.UpdateAsync(message);
+            await _repository.SaveChangesAsync();
+
+            return OperationResult.Success();
+        }
+        catch (Exception ex)
+        {
+            return OperationResult.ValidationError(ex.Message);
+        }
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Commands/SendMessage/SendMessageCommand.cs

@@ -0,0 +1,212 @@
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
+using GozareshgirProgramManager.Application.Services.FileManagement;
+using GozareshgirProgramManager.Domain._Common.Exceptions;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Entities;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Enums;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Repositories;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+using GozareshgirProgramManager.Domain.ProjectAgg.Repositories;
+using MediatR;
+using Microsoft.AspNetCore.Http;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Commands.SendMessage;
+
+public record SendMessageCommand(
+    Guid TaskId,
+    MessageType MessageType,
+    string? TextContent,
+    IFormFile? File,
+    Guid? ReplyToMessageId
+) : IBaseCommand<MessageDto>;
+
+public class SendMessageCommandHandler : IBaseCommandHandler<SendMessageCommand, MessageDto>
+{
+    private readonly ITaskChatMessageRepository _messageRepository;
+    private readonly IUploadedFileRepository _fileRepository;
+    private readonly IProjectTaskRepository _taskRepository;
+    private readonly IFileStorageService _fileStorageService;
+    private readonly IThumbnailGeneratorService _thumbnailService;
+    private readonly IAuthHelper _authHelper;
+
+    public SendMessageCommandHandler(
+        ITaskChatMessageRepository messageRepository,
+        IUploadedFileRepository fileRepository,
+        IProjectTaskRepository taskRepository,
+        IFileStorageService fileStorageService,
+        IThumbnailGeneratorService thumbnailService, IAuthHelper authHelper)
+    {
+        _messageRepository = messageRepository;
+        _fileRepository = fileRepository;
+        _taskRepository = taskRepository;
+        _fileStorageService = fileStorageService;
+        _thumbnailService = thumbnailService;
+        _authHelper = authHelper;
+    }
+
+    public async Task<OperationResult<MessageDto>> Handle(SendMessageCommand request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId()
+                            ?? throw new UnAuthorizedException("کاربر احراز هویت نشده است");
+
+        var task = await _taskRepository.GetByIdAsync(request.TaskId, cancellationToken);
+        if (task == null)
+        {
+            return OperationResult<MessageDto>.NotFound("تسک یافت نشد");
+        }
+        
+        Guid? uploadedFileId = null;
+        if (request.File != null)
+        {
+            if (request.File.Length == 0)
+            {
+                return OperationResult<MessageDto>.ValidationError("فایل خالی است");
+            }
+
+            const long maxFileSize = 100 * 1024 * 1024;
+            if (request.File.Length > maxFileSize)
+            {
+                return OperationResult<MessageDto>.ValidationError("حجم فایل بیش از حد مجاز است (حداکثر 100MB)");
+            }
+
+            var fileType = DetectFileType(request.File.ContentType, Path.GetExtension(request.File.FileName));
+
+            var uploadedFile = new UploadedFile(
+                originalFileName: request.File.FileName,
+                fileSizeBytes: request.File.Length,
+                mimeType: request.File.ContentType,
+                fileType: fileType,
+                category: FileCategory.TaskChatMessage,
+                uploadedByUserId: currentUserId,
+                storageProvider: StorageProvider.LocalFileSystem
+            );
+
+            await _fileRepository.AddAsync(uploadedFile);
+            await _fileRepository.SaveChangesAsync();
+
+            try
+            {
+                using var stream = request.File.OpenReadStream();
+                var uploadResult = await _fileStorageService.UploadAsync(
+                    stream,
+                    uploadedFile.UniqueFileName,
+                    "TaskChatMessage"
+                );
+
+                uploadedFile.CompleteUpload(uploadResult.StoragePath, uploadResult.StorageUrl);
+
+                if (fileType == FileType.Image)
+                {
+                    var dimensions = await _thumbnailService.GetImageDimensionsAsync(uploadResult.StoragePath);
+                    if (dimensions.HasValue)
+                    {
+                        uploadedFile.SetImageDimensions(dimensions.Value.Width, dimensions.Value.Height);
+                    }
+
+                    var thumbnail = await _thumbnailService
+                        .GenerateImageThumbnailAsync(uploadResult.StoragePath, category: "TaskChatMessage");
+                    if (thumbnail.HasValue)
+                    {
+                        uploadedFile.SetThumbnail(thumbnail.Value.ThumbnailUrl);
+                    }
+                }
+
+                await _fileRepository.UpdateAsync(uploadedFile);
+                await _fileRepository.SaveChangesAsync();
+
+                uploadedFileId = uploadedFile.Id;
+            }
+            catch (Exception ex)
+            {
+                await _fileRepository.DeleteAsync(uploadedFile);
+                await _fileRepository.SaveChangesAsync();
+
+                return OperationResult<MessageDto>.ValidationError($"خطا در آپلود فایل: {ex.Message}");
+            }
+        }
+
+        var message = new TaskChatMessage(
+            taskId: request.TaskId,
+            senderUserId: currentUserId,
+            messageType: request.MessageType,
+            textContent: request.TextContent,
+            uploadedFileId
+        );
+
+        if (request.ReplyToMessageId.HasValue)
+        {
+            message.SetReplyTo(request.ReplyToMessageId.Value);
+        }
+
+        await _messageRepository.AddAsync(message);
+        await _messageRepository.SaveChangesAsync();
+
+        if (uploadedFileId.HasValue)
+        {
+            var file = await _fileRepository.GetByIdAsync(uploadedFileId.Value);
+            if (file != null)
+            {
+                file.SetReference("TaskChatMessage", message.Id.ToString());
+                await _fileRepository.UpdateAsync(file);
+                await _fileRepository.SaveChangesAsync();
+            }
+        }
+
+        var dto = new MessageDto
+        {
+            Id = message.Id,
+            TaskId = message.TaskId,
+            SenderUserId = message.SenderUserId,
+            SenderName = "کاربر",
+            MessageType = message.MessageType.ToString(),
+            TextContent = message.TextContent,
+            ReplyToMessageId = message.ReplyToMessageId,
+            IsEdited = message.IsEdited,
+            IsPinned = message.IsPinned,
+            CreationDate = message.CreationDate,
+            IsMine = true
+        };
+
+        if (uploadedFileId.HasValue)
+        {
+            var file = await _fileRepository.GetByIdAsync(uploadedFileId.Value);
+            if (file != null)
+            {
+                dto.File = new MessageFileDto
+                {
+                    Id = file.Id,
+                    FileName = file.OriginalFileName,
+                    FileUrl = file.StorageUrl ?? "",
+                    FileSizeBytes = file.FileSizeBytes,
+                    FileType = file.FileType.ToString(),
+                    ThumbnailUrl = file.ThumbnailUrl,
+                    ImageWidth = file.ImageWidth,
+                    ImageHeight = file.ImageHeight,
+                    DurationSeconds = file.DurationSeconds
+                };
+            }
+        }
+
+        return OperationResult<MessageDto>.Success(dto);
+    }
+
+    private FileType DetectFileType(string mimeType, string extension)
+    {
+        if (mimeType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
+            return FileType.Image;
+
+        if (mimeType.StartsWith("video/", StringComparison.OrdinalIgnoreCase))
+            return FileType.Video;
+
+        if (mimeType.StartsWith("audio/", StringComparison.OrdinalIgnoreCase))
+            return FileType.Audio;
+
+        if (new[] { ".zip", ".rar", ".7z", ".tar", ".gz" }.Contains(extension.ToLower()))
+            return FileType.Archive;
+
+        return FileType.Document;
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Commands/UnpinMessage/UnpinMessageCommand.cs

@@ -0,0 +1,46 @@
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Domain._Common.Exceptions;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
+using MediatR;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Commands.UnpinMessage;
+
+public record UnpinMessageCommand(Guid MessageId) : IBaseCommand;
+
+public class UnpinMessageCommandHandler : IBaseCommandHandler<UnpinMessageCommand>
+{
+    private readonly ITaskChatMessageRepository _repository;
+    private readonly  IAuthHelper _authHelper;
+
+    public UnpinMessageCommandHandler(ITaskChatMessageRepository repository, IAuthHelper authHelper)
+    {
+        _repository = repository;
+        _authHelper = authHelper;
+    }
+
+    public async Task<OperationResult> Handle(UnpinMessageCommand request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId()??
+                            throw new UnAuthorizedException("کاربر احراز هویت نشده است");
+
+        var message = await _repository.GetByIdAsync(request.MessageId);
+        if (message == null)
+        {
+            return OperationResult.NotFound("پیام یافت نشد");
+        }
+
+        try
+        {
+            message.UnpinMessage(currentUserId);
+            await _repository.UpdateAsync(message);
+            await _repository.SaveChangesAsync();
+
+            return OperationResult.Success();
+        }
+        catch (Exception ex)
+        {
+            return OperationResult.ValidationError(ex.Message);
+        }
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/DTOs/MessageDto.cs

@@ -0,0 +1,63 @@
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
+
+public class SendMessageDto
+{
+    public Guid TaskId { get; set; }
+    public string MessageType { get; set; } = string.Empty; // "Text", "File", "Image", "Voice", "Video"
+    public string? TextContent { get; set; }
+    public Guid? FileId { get; set; }
+    public Guid? ReplyToMessageId { get; set; }
+}
+
+public class MessageDto
+{
+    public Guid Id { get; set; }
+    public Guid TaskId { get; set; }
+    public long SenderUserId { get; set; }
+    public string SenderName { get; set; } = string.Empty;
+    public string MessageType { get; set; } = string.Empty;
+    public string? TextContent { get; set; }
+    public MessageFileDto? File { get; set; }
+    public Guid? ReplyToMessageId { get; set; }
+    public MessageDto? ReplyToMessage { get; set; }
+    public bool IsEdited { get; set; }
+    public DateTime? EditedDate { get; set; }
+    public bool IsPinned { get; set; }
+    public DateTime? PinnedDate { get; set; }
+    public long? PinnedByUserId { get; set; }
+    public DateTime CreationDate { get; set; }
+    public bool IsMine { get; set; }
+}
+
+public class MessageFileDto
+{
+    public Guid Id { get; set; }
+    public string FileName { get; set; } = string.Empty;
+    public string FileUrl { get; set; } = string.Empty;
+    public long FileSizeBytes { get; set; }
+    public string FileType { get; set; } = string.Empty;
+    public string? ThumbnailUrl { get; set; }
+    public int? ImageWidth { get; set; }
+    public int? ImageHeight { get; set; }
+    public int? DurationSeconds { get; set; }
+    
+    public string FileSizeFormatted
+    {
+        get
+        {
+            const long kb = 1024;
+            const long mb = kb * 1024;
+            const long gb = mb * 1024;
+
+            if (FileSizeBytes >= gb)
+                return $"{FileSizeBytes / (double)gb:F2} GB";
+            if (FileSizeBytes >= mb)
+                return $"{FileSizeBytes / (double)mb:F2} MB";
+            if (FileSizeBytes >= kb)
+                return $"{FileSizeBytes / (double)kb:F2} KB";
+            
+            return $"{FileSizeBytes} Bytes";
+        }
+    }
+}
+

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Queries/GetMessages/GetMessagesQuery.cs

@@ -0,0 +1,208 @@
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
+using Microsoft.EntityFrameworkCore;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Queries.GetMessages;
+
+public record GetMessagesQuery(
+    Guid TaskId,
+    int Page = 1,
+    int PageSize = 50
+) : IBaseQuery<PaginationResult<MessageDto>>;
+
+
+
+public class GetMessagesQueryHandler : IBaseQueryHandler<GetMessagesQuery, PaginationResult<MessageDto>>
+{
+    private readonly IProgramManagerDbContext _context;
+    private readonly IAuthHelper _authHelper;
+
+    public GetMessagesQueryHandler(IProgramManagerDbContext context, IAuthHelper authHelper)
+    {
+        _context = context;
+        _authHelper = authHelper;
+    }
+
+    private List<MessageDto> CreateAdditionalTimeNotes(
+        IEnumerable<Domain.ProjectAgg.Entities.TaskSectionAdditionalTime> additionalTimes,
+        Dictionary<long, string> users,
+        Guid taskId)
+    {
+        var notes = new List<MessageDto>();
+        
+        foreach (var additionalTime in additionalTimes)
+        {
+            var addedByUserName = additionalTime.AddedByUserId.HasValue && users.TryGetValue(additionalTime.AddedByUserId.Value, out var user)
+                ? user
+                : "سیستم";
+
+            var noteContent = $"⏱️ زمان اضافی: {additionalTime.Hours.TotalHours.ToString("F2")} ساعت - {(string.IsNullOrWhiteSpace(additionalTime.Reason) ? "بدون علت" : additionalTime.Reason)} - توسط {addedByUserName}";
+
+            var noteDto = new MessageDto
+            {
+                Id = Guid.NewGuid(),
+                TaskId = taskId,
+                SenderUserId = 0,
+                SenderName = "سیستم",
+                MessageType = "Note",
+                TextContent = noteContent,
+                CreationDate = additionalTime.CreationDate,
+                IsMine = false
+            };
+
+            notes.Add(noteDto);
+        }
+
+        return notes;
+    }
+
+    public async Task<OperationResult<PaginationResult<MessageDto>>> Handle(GetMessagesQuery request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId();
+
+        var skip = (request.Page - 1) * request.PageSize;
+
+        var query = _context.TaskChatMessages
+            .Where(m => m.TaskId == request.TaskId && !m.IsDeleted)
+            .Include(m => m.ReplyToMessage)
+            .OrderBy(m => m.CreationDate);
+
+        var totalCount = await query.CountAsync(cancellationToken);
+
+        var messages = await query
+            .Skip(skip)
+            .Take(request.PageSize)
+            .ToListAsync(cancellationToken);
+
+        // ✅ گرفتن تمامی کاربران برای نمایش نام کامل فرستنده به جای "کاربر"
+        var senderUserIds = messages.Select(m => m.SenderUserId).Distinct().ToList();
+        var users = await _context.Users
+            .Where(u => senderUserIds.Contains(u.Id))
+            .ToDictionaryAsync(u => u.Id, u => u.FullName, cancellationToken);
+
+        // ✅ گرفتن تمامی زمان‌های اضافی (Additional Times) برای نمایش به صورت نوت
+        var taskSections = await _context.TaskSections
+            .Where(ts => ts.TaskId == request.TaskId)
+            .Include(ts => ts.AdditionalTimes)
+            .ToListAsync(cancellationToken);
+
+        // ✅ تمام زمان‌های اضافی را یکجا بگیر و مرتب کن
+        var allAdditionalTimes = taskSections
+            .SelectMany(ts => ts.AdditionalTimes)
+            .OrderBy(at => at.CreationDate)
+            .ToList();
+
+        var messageDtos = new List<MessageDto>();
+
+        // ✅ ابتدا زمان‌های اضافی قبل از اولین پیام را اضافه کن (اگر پیامی وجود داشته باشد)
+        if (messages.Any())
+        {
+            var firstMessageDate = messages.First().CreationDate;
+            var additionalTimesBeforeFirstMessage = allAdditionalTimes
+                .Where(at => at.CreationDate < firstMessageDate)
+                .ToList();
+
+            messageDtos.AddRange(CreateAdditionalTimeNotes(additionalTimesBeforeFirstMessage, users, request.TaskId));
+        }
+        else
+        {
+            // ✅ اگر هیچ پیامی وجود ندارد، همه زمان‌های اضافی را نمایش بده
+            messageDtos.AddRange(CreateAdditionalTimeNotes(allAdditionalTimes, users, request.TaskId));
+        }
+
+        foreach (var message in messages)
+        {
+            // ✅ نام فرستنده را از Dictionary Users بگیر، در صورت عدم وجود "کاربر ناشناس" نمایش بده
+            var senderName = users.GetValueOrDefault(message.SenderUserId, "کاربر ناشناس");
+
+            var dto = new MessageDto
+            {
+                Id = message.Id,
+                TaskId = message.TaskId,
+                SenderUserId = message.SenderUserId,
+                SenderName = senderName,
+                MessageType = message.MessageType.ToString(),
+                TextContent = message.TextContent,
+                ReplyToMessageId = message.ReplyToMessageId,
+                IsEdited = message.IsEdited,
+                EditedDate = message.EditedDate,
+                IsPinned = message.IsPinned,
+                PinnedDate = message.PinnedDate,
+                PinnedByUserId = message.PinnedByUserId,
+                CreationDate = message.CreationDate,
+                IsMine = message.SenderUserId == currentUserId
+            };
+
+            if (message.ReplyToMessage != null)
+            {
+                var replySenderName = users.GetValueOrDefault(message.ReplyToMessage.SenderUserId, "کاربر ناشناس");
+
+                dto.ReplyToMessage = new MessageDto
+                {
+                    Id = message.ReplyToMessage.Id,
+                    SenderUserId = message.ReplyToMessage.SenderUserId,
+                    SenderName = replySenderName,
+                    TextContent = message.ReplyToMessage.TextContent,
+                    CreationDate = message.ReplyToMessage.CreationDate
+                };
+            }
+
+            if (message.FileId.HasValue)
+            {
+                var file = await _context.UploadedFiles.FirstOrDefaultAsync(f => f.Id == message.FileId.Value, cancellationToken);
+                if (file != null)
+                {
+                    dto.File = new MessageFileDto
+                    {
+                        Id = file.Id,
+                        FileName = file.OriginalFileName,
+                        FileUrl = file.StorageUrl ?? "",
+                        FileSizeBytes = file.FileSizeBytes,
+                        FileType = file.FileType.ToString(),
+                        ThumbnailUrl = file.ThumbnailUrl,
+                        ImageWidth = file.ImageWidth,
+                        ImageHeight = file.ImageHeight,
+                        DurationSeconds = file.DurationSeconds
+                    };
+                }
+            }
+
+            messageDtos.Add(dto);
+
+            // ✅ پیدا کردن پیام بعدی (اگر وجود داشته باشد)
+            var currentIndex = messages.IndexOf(message);
+            var nextMessage = currentIndex < messages.Count - 1 ? messages[currentIndex + 1] : null;
+
+            if (nextMessage != null)
+            {
+                // ✅ زمان‌های اضافی بین این پیام و پیام بعدی
+                var additionalTimesBetween = allAdditionalTimes
+                    .Where(at => at.CreationDate > message.CreationDate && at.CreationDate < nextMessage.CreationDate)
+                    .ToList();
+
+                messageDtos.AddRange(CreateAdditionalTimeNotes(additionalTimesBetween, users, request.TaskId));
+            }
+            else
+            {
+                // ✅ این آخرین پیام است، زمان‌های اضافی بعد از آن را اضافه کن
+                var additionalTimesAfterLastMessage = allAdditionalTimes
+                    .Where(at => at.CreationDate > message.CreationDate)
+                    .ToList();
+
+                messageDtos.AddRange(CreateAdditionalTimeNotes(additionalTimesAfterLastMessage, users, request.TaskId));
+            }
+        }
+
+        // ✅ مرتب کردن نهایی تمام پیام‌ها (معمولی + نوت‌ها) بر اساس زمان ایجاد
+        messageDtos = messageDtos.OrderBy(m => m.CreationDate).ToList();
+
+        var response = new PaginationResult<MessageDto>()
+        {
+            List = messageDtos,
+            TotalCount = totalCount,
+        };
+
+        return OperationResult<PaginationResult<MessageDto>>.Success(response);
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Queries/GetPinnedMessages/GetPinnedMessagesQuery.cs

@@ -0,0 +1,82 @@
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Queries.GetPinnedMessages;
+
+public record GetPinnedMessagesQuery(Guid TaskId) : IBaseQuery<List<MessageDto>>;
+
+public class GetPinnedMessagesQueryHandler : IBaseQueryHandler<GetPinnedMessagesQuery, List<MessageDto>>
+{
+    private readonly IProgramManagerDbContext _context;
+    private readonly IAuthHelper _authHelper;
+
+    public GetPinnedMessagesQueryHandler(IProgramManagerDbContext context, IAuthHelper authHelper)
+    {
+        _context = context;
+        _authHelper = authHelper;
+    }
+
+    public async Task<OperationResult<List<MessageDto>>> Handle(GetPinnedMessagesQuery request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId();
+
+        var messages = await _context.TaskChatMessages
+            .Where(m => m.TaskId == request.TaskId && m.IsPinned && !m.IsDeleted)
+            .Include(m => m.ReplyToMessage)
+            .OrderByDescending(m => m.PinnedDate)
+            .ToListAsync(cancellationToken);
+
+        // ✅ گرفتن تمامی کاربران برای نمایش نام کامل فرستنده
+        var senderUserIds = messages.Select(m => m.SenderUserId).Distinct().ToList();
+        var users = await _context.Users
+            .Where(u => senderUserIds.Contains(u.Id))
+            .ToDictionaryAsync(u => u.Id, u => u.FullName, cancellationToken);
+
+        var messageDtos = new List<MessageDto>();
+
+        foreach (var message in messages)
+        {
+            // ✅ نام فرستنده را از User واقعی بگیر (به جای "کاربر" ثابت)
+            var senderName = users.GetValueOrDefault(message.SenderUserId, "کاربر ناشناس");
+
+            var dto = new MessageDto
+            {
+                Id = message.Id,
+                TaskId = message.TaskId,
+                SenderUserId = message.SenderUserId,
+                SenderName = senderName,
+                MessageType = message.MessageType.ToString(),
+                TextContent = message.TextContent,
+                IsPinned = message.IsPinned,
+                PinnedDate = message.PinnedDate,
+                PinnedByUserId = message.PinnedByUserId,
+                CreationDate = message.CreationDate,
+                IsMine = message.SenderUserId == currentUserId
+            };
+
+            if (message.FileId.HasValue)
+            {
+                var file = await _context.UploadedFiles.FirstOrDefaultAsync(f => f.Id == message.FileId.Value, cancellationToken);
+                if (file != null)
+                {
+                    dto.File = new MessageFileDto
+                    {
+                        Id = file.Id,
+                        FileName = file.OriginalFileName,
+                        FileUrl = file.StorageUrl ?? "",
+                        FileSizeBytes = file.FileSizeBytes,
+                        FileType = file.FileType.ToString(),
+                        ThumbnailUrl = file.ThumbnailUrl
+                    };
+                }
+            }
+
+            messageDtos.Add(dto);
+        }
+
+        return OperationResult<List<MessageDto>>.Success(messageDtos);
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Modules/TaskChat/Queries/SearchMessages/SearchMessagesQuery.cs

@@ -0,0 +1,72 @@
+using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace GozareshgirProgramManager.Application.Modules.TaskChat.Queries.SearchMessages;
+
+public record SearchMessagesQuery(
+    Guid TaskId,
+    string SearchText,
+    int Page = 1,
+    int PageSize = 20
+) : IBaseQuery<List<MessageDto>>;
+
+public class SearchMessagesQueryHandler : IBaseQueryHandler<SearchMessagesQuery, List<MessageDto>>
+{
+    private readonly IProgramManagerDbContext _context;
+    private readonly IAuthHelper _authHelper;
+
+    public SearchMessagesQueryHandler(IProgramManagerDbContext context, IAuthHelper authHelper)
+    {
+        _context = context;
+        _authHelper = authHelper;
+    }
+
+    public async Task<OperationResult<List<MessageDto>>> Handle(SearchMessagesQuery request, CancellationToken cancellationToken)
+    {
+        var currentUserId = _authHelper.GetCurrentUserId();
+        var skip = (request.Page - 1) * request.PageSize;
+
+        var messages = await _context.TaskChatMessages
+            .Where(m => m.TaskId == request.TaskId &&
+                        m.TextContent != null &&
+                        m.TextContent.Contains(request.SearchText) &&
+                        !m.IsDeleted)
+            .Include(m => m.ReplyToMessage)
+            .OrderByDescending(m => m.CreationDate)
+            .Skip(skip)
+            .Take(request.PageSize)
+            .ToListAsync(cancellationToken);
+
+        // ✅ گرفتن تمامی کاربران برای نمایش نام کامل فرستنده
+        var senderUserIds = messages.Select(m => m.SenderUserId).Distinct().ToList();
+        var users = await _context.Users
+            .Where(u => senderUserIds.Contains(u.Id))
+            .ToDictionaryAsync(u => u.Id, u => u.FullName, cancellationToken);
+
+        var messageDtos = new List<MessageDto>();
+        foreach (var message in messages)
+        {
+            // ✅ نام فرستنده را از User واقعی بگیر
+            var senderName = users.GetValueOrDefault(message.SenderUserId, "کاربر ناشناس");
+
+            var dto = new MessageDto
+            {
+                Id = message.Id,
+                TaskId = message.TaskId,
+                SenderUserId = message.SenderUserId,
+                SenderName = senderName,
+                MessageType = message.MessageType.ToString(),
+                TextContent = message.TextContent,
+                CreationDate = message.CreationDate,
+                IsMine = message.SenderUserId == currentUserId
+            };
+
+            messageDtos.Add(dto);
+        }
+
+        return OperationResult<List<MessageDto>>.Success(messageDtos);
+    }
+}

ProgramManager/src/Application/GozareshgirProgramManager.Application/Services/FileManagement/IFileStorageService.cs

@@ -0,0 +1,38 @@
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
+
+namespace GozareshgirProgramManager.Application.Services.FileManagement;
+
+/// <summary>
+/// سرویس ذخیره‌سازی فایل
+/// </summary>
+public interface IFileStorageService
+{
+    /// <summary>
+    /// آپلود فایل
+    /// </summary>
+    Task<(string StoragePath, string StorageUrl)> UploadAsync(
+        Stream fileStream, 
+        string uniqueFileName, 
+        string category);
+
+    /// <summary>
+    /// حذف فایل
+    /// </summary>
+    Task DeleteAsync(string storagePath);
+
+    /// <summary>
+    /// دریافت فایل
+    /// </summary>
+    Task<Stream?> GetFileStreamAsync(string storagePath);
+
+    /// <summary>
+    /// بررسی وجود فایل
+    /// </summary>
+    Task<bool> ExistsAsync(string storagePath);
+
+    /// <summary>
+    /// دریافت URL فایل
+    /// </summary>
+    string GetFileUrl(string storagePath);
+}
+

ProgramManager/src/Application/GozareshgirProgramManager.Application/Services/FileManagement/IThumbnailGeneratorService.cs

@@ -0,0 +1,34 @@
+namespace GozareshgirProgramManager.Application.Services.FileManagement;
+
+/// <summary>
+/// سرویس تولید thumbnail برای تصاویر و ویدیوها
+/// </summary>
+public interface IThumbnailGeneratorService
+{
+    /// <summary>
+    /// تولید thumbnail برای تصویر
+    /// </summary>
+    Task<(string ThumbnailPath, string ThumbnailUrl)?> GenerateImageThumbnailAsync(
+        string imagePath,
+        string category,
+        int width = 200,
+        int height = 200);
+
+    /// <summary>
+    /// تولید thumbnail برای ویدیو
+    /// </summary>
+    Task<(string ThumbnailPath, string ThumbnailUrl)?> GenerateVideoThumbnailAsync(
+        string videoPath,
+        string category);
+
+    /// <summary>
+    /// حذف thumbnail
+    /// </summary>
+    Task DeleteThumbnailAsync(string thumbnailPath);
+
+    /// <summary>
+    /// دریافت ابعاد تصویر
+    /// </summary>
+    Task<(int Width, int Height)?> GetImageDimensionsAsync(string imagePath);
+}
+

ProgramManager/src/Application/GozareshgirProgramManager.Application/_Common/Interfaces/IProgramManagerDbContext.cs

@@ -7,6 +7,8 @@ using GozareshgirProgramManager.Domain.SalaryPaymentSettingAgg.Entities;
 using GozareshgirProgramManager.Domain.SkillAgg.Entities;
 using GozareshgirProgramManager.Domain.UserAgg.Entities;
 using Microsoft.EntityFrameworkCore;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Entities;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
 
 namespace GozareshgirProgramManager.Application._Common.Interfaces;
 
@@ -26,6 +28,9 @@ public interface IProgramManagerDbContext
     
     DbSet<ProjectTask> ProjectTasks { get; set; }
     
+    DbSet<TaskChatMessage> TaskChatMessages { get; set; }
+    DbSet<UploadedFile> UploadedFiles { get; set; }
+    
     DbSet<Skill> Skills { get; set; }
     Task<int> SaveChangesAsync(CancellationToken cancellationToken = default);
 }

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/FileManagementAgg/Entities/UploadedFile.cs

@@ -0,0 +1,244 @@
+using GozareshgirProgramManager.Domain._Common;
+using GozareshgirProgramManager.Domain._Common.Exceptions;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Events;
+using FileType = GozareshgirProgramManager.Domain.FileManagementAgg.Enums.FileType;
+
+namespace GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
+
+/// <summary>
+/// فایل آپلود شده - Aggregate Root
+/// مدیریت مرکزی تمام فایل‌های سیستم
+/// </summary>
+public class UploadedFile : EntityBase<Guid>
+{
+    private UploadedFile()
+    {
+    }
+
+    public UploadedFile(
+        string originalFileName,
+        long fileSizeBytes,
+        string mimeType,
+        FileType fileType,
+        FileCategory category,
+        long uploadedByUserId,
+        StorageProvider storageProvider = StorageProvider.LocalFileSystem)
+    {
+        OriginalFileName = originalFileName;
+        FileSizeBytes = fileSizeBytes;
+        MimeType = mimeType;
+        FileType = fileType;
+        Category = category;
+        UploadedByUserId = uploadedByUserId;
+        UploadDate = DateTime.Now;
+        StorageProvider = storageProvider;
+        Status = FileStatus.Uploading;
+        
+        // Generate unique file name
+        FileExtension = Path.GetExtension(originalFileName);
+        UniqueFileName = $"{Guid.NewGuid()}{FileExtension}";
+        
+        ValidateFile();
+        AddDomainEvent(new FileUploadStartedEvent(Id, originalFileName, uploadedByUserId));
+    }
+
+    // اطلاعات فایل
+    public string OriginalFileName { get; private set; } = string.Empty;
+    public string UniqueFileName { get; private set; } = string.Empty;
+    public string FileExtension { get; private set; } = string.Empty;
+    public long FileSizeBytes { get; private set; }
+    public string MimeType { get; private set; } = string.Empty;
+    public FileType FileType { get; private set; }
+    public FileCategory Category { get; private set; }
+    
+    // ذخیره‌سازی
+    public StorageProvider StorageProvider { get; private set; }
+    public string? StoragePath { get; private set; }
+    public string? StorageUrl { get; private set; }
+    public string? ThumbnailUrl { get; private set; }
+    
+    // متادیتا
+    public long UploadedByUserId { get; private set; }
+    public DateTime UploadDate { get; private set; }
+    public FileStatus Status { get; private set; }
+    
+    // اطلاعات تصویر (اختیاری - برای Image)
+    public int? ImageWidth { get; private set; }
+    public int? ImageHeight { get; private set; }
+    
+    // اطلاعات صوت/ویدیو (اختیاری)
+    public int? DurationSeconds { get; private set; }
+    
+    // امنیت
+    public DateTime? VirusScanDate { get; private set; }
+    public bool? IsVirusScanPassed { get; private set; }
+    public string? VirusScanResult { get; private set; }
+    
+    // Soft Delete
+    public bool IsDeleted { get; private set; }
+    public DateTime? DeletedDate { get; private set; }
+    public long? DeletedByUserId { get; private set; }
+    
+    // Reference tracking (چه entityهایی از این فایل استفاده می‌کنند)
+    public string? ReferenceEntityType { get; private set; }
+    public string? ReferenceEntityId { get; private set; }
+
+    private void ValidateFile()
+    {
+        if (string.IsNullOrWhiteSpace(OriginalFileName))
+        {
+            throw new BadRequestException("نام فایل نمی‌تواند خالی باشد");
+        }
+
+        if (FileSizeBytes <= 0)
+        {
+            throw new BadRequestException("حجم فایل باید بیشتر از صفر باشد");
+        }
+
+        if (string.IsNullOrWhiteSpace(MimeType))
+        {
+            throw new BadRequestException("نوع MIME فایل باید مشخص شود");
+        }
+
+        // محدودیت حجم (مثلاً 100MB)
+        const long maxSizeBytes = 100 * 1024 * 1024; // 100MB
+        if (FileSizeBytes > maxSizeBytes)
+        {
+            throw new BadRequestException($"حجم فایل نباید بیشتر از {maxSizeBytes / (1024 * 1024)} مگابایت باشد");
+        }
+    }
+
+    public void CompleteUpload(string storagePath, string storageUrl)
+    {
+        if (Status != FileStatus.Uploading)
+        {
+            throw new BadRequestException("فایل قبلاً آپلود شده است");
+        }
+
+        if (string.IsNullOrWhiteSpace(storagePath))
+        {
+            throw new BadRequestException("مسیر ذخیره‌سازی نمی‌تواند خالی باشد");
+        }
+
+        if (string.IsNullOrWhiteSpace(storageUrl))
+        {
+            throw new BadRequestException("URL فایل نمی‌تواند خالی باشد");
+        }
+
+        StoragePath = storagePath;
+        StorageUrl = storageUrl;
+        Status = FileStatus.Active;
+        
+        AddDomainEvent(new FileUploadCompletedEvent(Id, OriginalFileName, StorageUrl, UploadedByUserId));
+    }
+
+    public void SetThumbnail(string thumbnailUrl)
+    {
+        if (FileType != FileType.Image && FileType != FileType.Video)
+        {
+            throw new BadRequestException("فقط می‌توان برای تصاویر و ویدیوها thumbnail تنظیم کرد");
+        }
+
+        ThumbnailUrl = thumbnailUrl;
+    }
+
+    public void SetImageDimensions(int width, int height)
+    {
+        if (FileType != FileType.Image)
+        {
+            throw new BadRequestException("فقط می‌توان برای تصاویر ابعاد تنظیم کرد");
+        }
+
+        if (width <= 0 || height <= 0)
+        {
+            throw new BadRequestException("ابعاد تصویر باید بیشتر از صفر باشد");
+        }
+
+        ImageWidth = width;
+        ImageHeight = height;
+    }
+
+    public void SetDuration(int durationSeconds)
+    {
+        if (FileType != FileType.Audio && FileType != FileType.Video)
+        {
+            throw new BadRequestException("فقط می‌توان برای فایل‌های صوتی و تصویری مدت زمان تنظیم کرد");
+        }
+
+        if (durationSeconds <= 0)
+        {
+            throw new BadRequestException("مدت زمان باید بیشتر از صفر باشد");
+        }
+
+        DurationSeconds = durationSeconds;
+    }
+    
+    public void MarkAsDeleted(long deletedByUserId)
+    {
+        if (IsDeleted)
+        {
+            throw new BadRequestException("فایل قبلاً حذف شده است");
+        }
+
+        IsDeleted = true;
+        DeletedDate = DateTime.Now;
+        DeletedByUserId = deletedByUserId;
+        Status = FileStatus.Deleted;
+        
+        AddDomainEvent(new FileDeletedEvent(Id, OriginalFileName, deletedByUserId));
+    }
+
+    public void SetReference(string entityType, string entityId)
+    {
+        ReferenceEntityType = entityType;
+        ReferenceEntityId = entityId;
+    }
+
+    public bool IsImage()
+    {
+        return FileType == FileType.Image;
+    }
+
+    public bool IsVideo()
+    {
+        return FileType == FileType.Video;
+    }
+
+    public bool IsAudio()
+    {
+        return FileType == FileType.Audio;
+    }
+
+    public bool IsDocument()
+    {
+        return FileType == FileType.Document;
+    }
+
+    public bool IsUploadedBy(long userId)
+    {
+        return UploadedByUserId == userId;
+    }
+
+    public bool IsActive()
+    {
+        return Status == FileStatus.Active && !IsDeleted;
+    }
+
+    public string GetFileSizeFormatted()
+    {
+        const long kb = 1024;
+        const long mb = kb * 1024;
+        const long gb = mb * 1024;
+
+        if (FileSizeBytes >= gb)
+            return $"{FileSizeBytes / (double)gb:F2} GB";
+        if (FileSizeBytes >= mb)
+            return $"{FileSizeBytes / (double)mb:F2} MB";
+        if (FileSizeBytes >= kb)
+            return $"{FileSizeBytes / (double)kb:F2} KB";
+        
+        return $"{FileSizeBytes} Bytes";
+    }
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/FileManagementAgg/Enums/FileCategory.cs

@@ -0,0 +1,15 @@
+namespace GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+
+/// <summary>
+/// دسته‌بندی فایل - مشخص می‌کند فایل در کجا استفاده شده
+/// </summary>
+public enum FileCategory
+{
+    TaskChatMessage = 1,        // پیام چت تسک
+    TaskAttachment = 2,         // ضمیمه تسک
+    ProjectDocument = 3,        // مستندات پروژه
+    UserProfilePhoto = 4,       // عکس پروفایل کاربر
+    Report = 5,                 // گزارش
+    Other = 6                   // سایر
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/FileManagementAgg/Enums/FileStatus.cs

@@ -0,0 +1,13 @@
+namespace GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+
+/// <summary>
+/// وضعیت فایل
+/// </summary>
+public enum FileStatus
+{
+    Uploading = 1,      // در حال آپلود
+    Active = 2,         // فعال و قابل استفاده
+    Deleted = 5,        // حذف شده (Soft Delete)
+    Archived = 6        // آرشیو شده
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/FileManagementAgg/Enums/FileType.cs

@@ -0,0 +1,15 @@
+namespace GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+
+/// <summary>
+/// نوع فایل
+/// </summary>
+public enum FileType
+{
+    Document = 1,   // اسناد (PDF, Word, Excel, etc.)
+    Image = 2,      // تصویر
+    Video = 3,      // ویدیو
+    Audio = 4,      // صوت
+    Archive = 5,    // فایل فشرده (ZIP, RAR)
+    Other = 6       // سایر
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/FileManagementAgg/Enums/StorageProvider.cs

@@ -0,0 +1,10 @@
+namespace GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+
+/// <summary>
+/// نوع ذخیره‌ساز فایل
+/// </summary>
+public enum StorageProvider
+{
+    LocalFileSystem = 1,    // دیسک محلی سرور
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/FileManagementAgg/Events/FileEvents.cs

@@ -0,0 +1,36 @@
+using GozareshgirProgramManager.Domain._Common;
+
+namespace GozareshgirProgramManager.Domain.FileManagementAgg.Events;
+
+// File Upload Events
+public record FileUploadStartedEvent(Guid FileId, string FileName, long UploadedByUserId) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record FileUploadCompletedEvent(Guid FileId, string FileName, string StorageUrl, long UploadedByUserId) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record FileDeletedEvent(Guid FileId, string FileName, long DeletedByUserId) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+// Virus Scan Events
+public record FileQuarantinedEvent(Guid FileId, string FileName) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record FileVirusScanPassedEvent(Guid FileId, string FileName) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record FileInfectedEvent(Guid FileId, string FileName, string ScanResult) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/FileManagementAgg/Repositories/IUploadedFileRepository.cs

@@ -0,0 +1,91 @@
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+
+namespace GozareshgirProgramManager.Domain.FileManagementAgg.Repositories;
+
+/// <summary>
+/// Repository برای مدیریت فایل‌های آپلود شده
+/// </summary>
+public interface IUploadedFileRepository
+{
+    /// <summary>
+    /// دریافت فایل بر اساس شناسه
+    /// </summary>
+    Task<UploadedFile?> GetByIdAsync(Guid fileId);
+
+    /// <summary>
+    /// دریافت فایل بر اساس نام یکتا
+    /// </summary>
+    Task<UploadedFile?> GetByUniqueFileNameAsync(string uniqueFileName);
+
+    /// <summary>
+    /// دریافت لیست فایل‌های یک کاربر
+    /// </summary>
+    Task<List<UploadedFile>> GetUserFilesAsync(long userId, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// دریافت فایل‌های یک دسته خاص
+    /// </summary>
+    Task<List<UploadedFile>> GetByCategoryAsync(FileCategory category, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// دریافت فایل‌های با وضعیت خاص
+    /// </summary>
+    Task<List<UploadedFile>> GetByStatusAsync(FileStatus status, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// دریافت فایل‌های یک Reference خاص
+    /// </summary>
+    Task<List<UploadedFile>> GetByReferenceAsync(string entityType, string entityId);
+
+    /// <summary>
+    /// جستجو در فایل‌ها بر اساس نام
+    /// </summary>
+    Task<List<UploadedFile>> SearchByNameAsync(string searchTerm, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// دریافت تعداد کل فایل‌های یک کاربر
+    /// </summary>
+    Task<int> GetUserFilesCountAsync(long userId);
+
+    /// <summary>
+    /// دریافت مجموع حجم فایل‌های یک کاربر (به بایت)
+    /// </summary>
+    Task<long> GetUserTotalFileSizeAsync(long userId);
+
+    /// <summary>
+    /// دریافت فایل‌های منقضی شده برای پاک‌سازی
+    /// </summary>
+    Task<List<UploadedFile>> GetExpiredFilesAsync(DateTime olderThan);
+
+    /// <summary>
+    /// اضافه کردن فایل جدید
+    /// </summary>
+    Task<UploadedFile> AddAsync(UploadedFile file);
+
+    /// <summary>
+    /// به‌روزرسانی فایل
+    /// </summary>
+    Task UpdateAsync(UploadedFile file);
+
+    /// <summary>
+    /// حذف فیزیکی فایل (فقط برای cleanup)
+    /// </summary>
+    Task DeleteAsync(UploadedFile file);
+
+    /// <summary>
+    /// ذخیره تغییرات
+    /// </summary>
+    Task<int> SaveChangesAsync();
+
+    /// <summary>
+    /// بررسی وجود فایل
+    /// </summary>
+    Task<bool> ExistsAsync(Guid fileId);
+
+    /// <summary>
+    /// بررسی وجود فایل با نام یکتا
+    /// </summary>
+    Task<bool> ExistsByUniqueFileNameAsync(string uniqueFileName);
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/TaskChatAgg/Entities/TaskChatMessage.cs

@@ -0,0 +1,183 @@
+using GozareshgirProgramManager.Domain._Common;
+using GozareshgirProgramManager.Domain._Common.Exceptions;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Events;
+using MessageType = GozareshgirProgramManager.Domain.TaskChatAgg.Enums.MessageType;
+
+namespace GozareshgirProgramManager.Domain.TaskChatAgg.Entities;
+
+/// <summary>
+/// پیام چت تسک - Aggregate Root
+/// هر کسی که به تسک دسترسی داشته باشد می‌تواند پیام‌ها را ببیند و ارسال کند
+/// نیازی به مدیریت گروه و ممبر نیست چون دسترسی از طریق خود تسک کنترل می‌شود
+/// </summary>
+public class TaskChatMessage : EntityBase<Guid>
+{
+    private TaskChatMessage()
+    {
+    }
+
+    public TaskChatMessage(Guid taskId, long senderUserId, MessageType messageType,
+        string? textContent = null,Guid? fileId = null)
+    {
+        TaskId = taskId;
+        SenderUserId = senderUserId;
+        MessageType = messageType;
+        TextContent = textContent;
+        IsEdited = false;
+        IsDeleted = false;
+        IsPinned = false;
+        if (fileId.HasValue)
+        {
+            SetFile(fileId.Value);
+        }
+        ValidateMessage();
+        AddDomainEvent(new TaskChatMessageSentEvent(Id, taskId, senderUserId, messageType));
+    }
+
+    // Reference به Task (Foreign Key فقط - بدون Navigation Property برای جلوگیری از coupling)
+    public Guid TaskId { get; private set; }
+
+    public long SenderUserId { get; private set; }
+    
+    public MessageType MessageType { get; private set; }
+
+    // محتوای متنی (برای پیام‌های Text و Caption برای فایل/تصویر)
+    public string? TextContent { get; private set; }
+
+    // ارجاع به فایل (برای پیام‌های File, Voice, Image, Video)
+    public Guid? FileId { get; private set; }
+
+    // پیام Reply
+    public Guid? ReplyToMessageId { get; private set; }
+    public TaskChatMessage? ReplyToMessage { get; private set; }
+
+    // وضعیت پیام
+    public bool IsEdited { get; private set; }
+    public DateTime? EditedDate { get; private set; }
+    public bool IsDeleted { get; private set; }
+    public DateTime? DeletedDate { get; private set; }
+    public bool IsPinned { get; private set; }
+    public DateTime? PinnedDate { get; private set; }
+    public long? PinnedByUserId { get; private set; }
+
+    private void ValidateMessage()
+    {
+        // ✅ بررسی پیام‌های متنی
+        if (MessageType == MessageType.Text && string.IsNullOrWhiteSpace(TextContent))
+        {
+            throw new BadRequestException("پیام متنی نمی‌تواند خالی باشد");
+        }
+
+        // ✅ بررسی پیام‌های فایلی - باید FileId داشته باشند
+        if ((MessageType == MessageType.File || MessageType == MessageType.Voice || 
+             MessageType == MessageType.Image || MessageType == MessageType.Video) 
+            && FileId == null)
+        {
+            throw new BadRequestException("پیام‌های فایلی باید شناسه فایل داشته باشند");
+        }
+
+        // ✅ بررسی یادداشت‌های سیستم - باید محتوای متنی داشته باشند
+        if (MessageType == MessageType.Note && string.IsNullOrWhiteSpace(TextContent))
+        {
+            throw new BadRequestException("یادداشت نمی‌تواند خالی باشد");
+        }
+    }
+
+    public void SetFile(Guid fileId)
+    {
+        if (MessageType != MessageType.File && MessageType != MessageType.Image && 
+            MessageType != MessageType.Video && MessageType != MessageType.Voice)
+        {
+            throw new BadRequestException("فقط می‌توان برای پیام‌های فایل، تصویر، ویدیو و صدا شناسه فایل تنظیم کرد");
+        }
+
+        FileId = fileId;
+    }
+
+    public void EditMessage(string newTextContent, long editorUserId)
+    {
+        if (IsDeleted)
+        {
+            throw new BadRequestException("نمی‌توان پیام حذف شده را ویرایش کرد");
+        }
+
+        if (editorUserId != SenderUserId)
+        {
+            throw new BadRequestException("فقط فرستنده می‌تواند پیام را ویرایش کند");
+        }
+
+        if ((MessageType != MessageType.Text && !string.IsNullOrWhiteSpace(TextContent)))
+        {
+            throw new BadRequestException("فقط پیام‌های متنی قابل ویرایش هستند");
+        }
+
+        if (string.IsNullOrWhiteSpace(newTextContent))
+        {
+            throw new BadRequestException("محتوای پیام نمی‌تواند خالی باشد");
+        }
+
+        TextContent = newTextContent;
+        IsEdited = true;
+        EditedDate = DateTime.Now;
+        AddDomainEvent(new TaskChatMessageEditedEvent(Id, TaskId, editorUserId));
+    }
+
+    public void DeleteMessage(long deleterUserId)
+    {
+        if (IsDeleted)
+        {
+            throw new BadRequestException("پیام قبلاً حذف شده است");
+        }
+
+        if (deleterUserId != SenderUserId)
+        {
+            throw new BadRequestException("فقط فرستنده می‌تواند پیام را حذف کند");
+        }
+
+        IsDeleted = true;
+        DeletedDate = DateTime.Now;
+        AddDomainEvent(new TaskChatMessageDeletedEvent(Id, TaskId, deleterUserId));
+    }
+
+    public void PinMessage(long pinnerUserId)
+    {
+        if (IsDeleted)
+        {
+            throw new BadRequestException("نمی‌توان پیام حذف شده را پین کرد");
+        }
+
+        if (IsPinned)
+        {
+            throw new BadRequestException("این پیام قبلاً پین شده است");
+        }
+
+        IsPinned = true;
+        PinnedDate = DateTime.Now;
+        PinnedByUserId = pinnerUserId;
+        AddDomainEvent(new TaskChatMessagePinnedEvent(Id, TaskId, pinnerUserId));
+    }
+
+    public void UnpinMessage(long unpinnerUserId)
+    {
+        if (!IsPinned)
+        {
+            throw new BadRequestException("این پیام پین نشده است");
+        }
+
+        IsPinned = false;
+        PinnedDate = null;
+        PinnedByUserId = null;
+        AddDomainEvent(new TaskChatMessageUnpinnedEvent(Id, TaskId, unpinnerUserId));
+    }
+
+    public void SetReplyTo(Guid replyToMessageId)
+    {
+        ReplyToMessageId = replyToMessageId;
+    }
+
+    public bool IsSentBy(long userId)
+    {
+        return SenderUserId == userId;
+    }
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/TaskChatAgg/Enums/MessageType.cs

@@ -0,0 +1,15 @@
+namespace GozareshgirProgramManager.Domain.TaskChatAgg.Enums;
+
+/// <summary>
+/// نوع پیام در چت تسک
+/// </summary>
+public enum MessageType
+{
+    Text = 1,        // پیام متنی
+    File = 2,        // فایل (اسناد، PDF، و غیره)
+    Image = 3,       // تصویر
+    Voice = 4,       // پیام صوتی
+    Video = 5,       // ویدیو
+    Note = 6,        // ✅ یادداشت سیستم (برای زمان اضافی و اطلاعات خودکار)
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/TaskChatAgg/Events/TaskChatEvents.cs

@@ -0,0 +1,31 @@
+using GozareshgirProgramManager.Domain._Common;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Enums;
+
+namespace GozareshgirProgramManager.Domain.TaskChatAgg.Events;
+
+// Message Events
+public record TaskChatMessageSentEvent(Guid MessageId, Guid TaskId, long SenderUserId, MessageType MessageType) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record TaskChatMessageEditedEvent(Guid MessageId, Guid TaskId, long EditorUserId) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record TaskChatMessageDeletedEvent(Guid MessageId, Guid TaskId, long DeleterUserId) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record TaskChatMessagePinnedEvent(Guid MessageId, Guid TaskId, long PinnerUserId) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+
+public record TaskChatMessageUnpinnedEvent(Guid MessageId, Guid TaskId, long UnpinnerUserId) : IDomainEvent
+{
+    public DateTime OccurredOn { get; init; } = DateTime.Now;
+}
+

ProgramManager/src/Domain/GozareshgirProgramManager.Domain/TaskChatAgg/Repositories/ITaskChatMessageRepository.cs

@@ -0,0 +1,75 @@
+using GozareshgirProgramManager.Domain.TaskChatAgg.Entities;
+
+namespace GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
+
+/// <summary>
+/// Repository برای مدیریت پیام‌های چت تسک
+/// </summary>
+public interface ITaskChatMessageRepository
+{
+    /// <summary>
+    /// دریافت پیام بر اساس شناسه
+    /// </summary>
+    Task<TaskChatMessage?> GetByIdAsync(Guid messageId);
+
+    /// <summary>
+    /// دریافت لیست پیام‌های یک تسک (با صفحه‌بندی)
+    /// </summary>
+    Task<List<TaskChatMessage>> GetTaskMessagesAsync(Guid taskId, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// دریافت تعداد کل پیام‌های یک تسک
+    /// </summary>
+    Task<int> GetTaskMessageCountAsync(Guid taskId);
+
+    /// <summary>
+    /// دریافت پیام‌های پین شده یک تسک
+    /// </summary>
+    Task<List<TaskChatMessage>> GetPinnedMessagesAsync(Guid taskId);
+
+    /// <summary>
+    /// دریافت آخرین پیام یک تسک
+    /// </summary>
+    Task<TaskChatMessage?> GetLastMessageAsync(Guid taskId);
+
+    /// <summary>
+    /// جستجو در پیام‌های یک تسک
+    /// </summary>
+    Task<List<TaskChatMessage>> SearchMessagesAsync(Guid taskId, string searchText, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// دریافت پیام‌های یک کاربر خاص در یک تسک
+    /// </summary>
+    Task<List<TaskChatMessage>> GetUserMessagesAsync(Guid taskId, long userId, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// دریافت پیام‌های با فایل (تصویر، ویدیو، فایل و...) - پیام‌هایی که FileId دارند
+    /// </summary>
+    Task<List<TaskChatMessage>> GetMediaMessagesAsync(Guid taskId, int pageNumber, int pageSize);
+
+    /// <summary>
+    /// اضافه کردن پیام جدید
+    /// </summary>
+    Task<TaskChatMessage> AddAsync(TaskChatMessage message);
+
+    /// <summary>
+    /// به‌روزرسانی پیام
+    /// </summary>
+    Task UpdateAsync(TaskChatMessage message);
+
+    /// <summary>
+    /// حذف فیزیکی پیام (در صورت نیاز - معمولاً استفاده نمی‌شود)
+    /// </summary>
+    Task DeleteAsync(TaskChatMessage message);
+
+    /// <summary>
+    /// ذخیره تغییرات
+    /// </summary>
+    Task<int> SaveChangesAsync();
+
+    /// <summary>
+    /// بررسی وجود پیام
+    /// </summary>
+    Task<bool> ExistsAsync(Guid messageId);
+}
+

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/DependencyInjection.cs

@@ -4,9 +4,11 @@
 using FluentValidation;
 using GozareshgirProgramManager.Application._Common.Behaviors;
 using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application.Services.FileManagement;
 using GozareshgirProgramManager.Domain._Common;
 using GozareshgirProgramManager.Domain.CheckoutAgg.Repositories;
 using GozareshgirProgramManager.Domain.CustomerAgg.Repositories;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Repositories;
 using GozareshgirProgramManager.Domain.ProjectAgg.Repositories;
 using GozareshgirProgramManager.Domain.RoleAgg.Repositories;
 using GozareshgirProgramManager.Domain.RoleAgg.Repositories;
@@ -14,6 +16,7 @@ using GozareshgirProgramManager.Domain.SalaryPaymentSettingAgg.Repositories;
 using GozareshgirProgramManager.Domain.SalaryPaymentSettingAgg.Repositories;
 using GozareshgirProgramManager.Domain.SkillAgg.Repositories;
 using GozareshgirProgramManager.Domain.SkillAgg.Repositories;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
 using GozareshgirProgramManager.Domain.UserAgg.Repositories;
 using GozareshgirProgramManager.Infrastructure.Persistence;
 using GozareshgirProgramManager.Infrastructure.Persistence.Context;
@@ -82,6 +85,14 @@ public static class DependencyInjection
         
         services.AddScoped<IUserRefreshTokenRepository, UserRefreshTokenRepository>();
 
+        // File Management & Task Chat
+        services.AddScoped<IUploadedFileRepository, Persistence.Repositories.FileManagement.UploadedFileRepository>();
+        services.AddScoped<ITaskChatMessageRepository, Persistence.Repositories.TaskChat.TaskChatMessageRepository>();
+        
+        // File Storage Services
+        services.AddScoped<IFileStorageService, Services.FileManagement.LocalFileStorageService>();
+        services.AddScoped<IThumbnailGeneratorService, Services.FileManagement.ThumbnailGeneratorService>();
+
         // JWT Settings
         services.Configure<JwtSettings>(configuration.GetSection("JwtSettings"));
         

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/GozareshgirProgramManager.Infrastructure.csproj

@@ -15,11 +15,21 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
+        <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="10.0.0" />
         <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="10.0.1" />
+        <PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />
         <!--<PackageReference Include="System.Text.Encodings.Web" Version="10.0.0" />-->
     </ItemGroup>
     <ItemGroup>
       <ProjectReference Include="..\..\Application\GozareshgirProgramManager.Application\GozareshgirProgramManager.Application.csproj" />
       <ProjectReference Include="..\..\Domain\GozareshgirProgramManager.Domain\GozareshgirProgramManager.Domain.csproj" />
     </ItemGroup>
+    <ItemGroup>
+      <Reference Include="Microsoft.AspNetCore.Hosting.Abstractions">
+        <HintPath>C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App\10.0.1\Microsoft.AspNetCore.Hosting.Abstractions.dll</HintPath>
+      </Reference>
+      <Reference Include="Microsoft.Extensions.Hosting.Abstractions">
+        <HintPath>C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App\10.0.1\Microsoft.Extensions.Hosting.Abstractions.dll</HintPath>
+      </Reference>
+    </ItemGroup>
 </Project>

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Migrations/20260105112925_add task chat - uploaded file.cs

@@ -0,0 +1,158 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace GozareshgirProgramManager.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class addtaskchatuploadedfile : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "TaskChatMessages",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    TaskId = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    SenderUserId = table.Column<long>(type: "bigint", nullable: false),
+                    MessageType = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    TextContent = table.Column<string>(type: "nvarchar(4000)", maxLength: 4000, nullable: true),
+                    FileId = table.Column<Guid>(type: "uniqueidentifier", nullable: true),
+                    ReplyToMessageId = table.Column<Guid>(type: "uniqueidentifier", nullable: true),
+                    IsEdited = table.Column<bool>(type: "bit", nullable: false, defaultValue: false),
+                    EditedDate = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false, defaultValue: false),
+                    DeletedDate = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    IsPinned = table.Column<bool>(type: "bit", nullable: false, defaultValue: false),
+                    PinnedDate = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    PinnedByUserId = table.Column<long>(type: "bigint", nullable: true),
+                    CreationDate = table.Column<DateTime>(type: "datetime2", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_TaskChatMessages", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_TaskChatMessages_TaskChatMessages_ReplyToMessageId",
+                        column: x => x.ReplyToMessageId,
+                        principalTable: "TaskChatMessages",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "UploadedFiles",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uniqueidentifier", nullable: false),
+                    OriginalFileName = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: false),
+                    UniqueFileName = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: false),
+                    FileExtension = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    FileSizeBytes = table.Column<long>(type: "bigint", nullable: false),
+                    MimeType = table.Column<string>(type: "nvarchar(200)", maxLength: 200, nullable: false),
+                    FileType = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    Category = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    StorageProvider = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    StoragePath = table.Column<string>(type: "nvarchar(1000)", maxLength: 1000, nullable: true),
+                    StorageUrl = table.Column<string>(type: "nvarchar(1000)", maxLength: 1000, nullable: true),
+                    ThumbnailUrl = table.Column<string>(type: "nvarchar(1000)", maxLength: 1000, nullable: true),
+                    UploadedByUserId = table.Column<long>(type: "bigint", nullable: false),
+                    UploadDate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    Status = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    ImageWidth = table.Column<int>(type: "int", nullable: true),
+                    ImageHeight = table.Column<int>(type: "int", nullable: true),
+                    DurationSeconds = table.Column<int>(type: "int", nullable: true),
+                    VirusScanDate = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    IsVirusScanPassed = table.Column<bool>(type: "bit", nullable: true),
+                    VirusScanResult = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: true),
+                    IsDeleted = table.Column<bool>(type: "bit", nullable: false, defaultValue: false),
+                    DeletedDate = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    DeletedByUserId = table.Column<long>(type: "bigint", nullable: true),
+                    ReferenceEntityType = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: true),
+                    ReferenceEntityId = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: true),
+                    CreationDate = table.Column<DateTime>(type: "datetime2", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_UploadedFiles", x => x.Id);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TaskChatMessages_CreationDate",
+                table: "TaskChatMessages",
+                column: "CreationDate");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TaskChatMessages_FileId",
+                table: "TaskChatMessages",
+                column: "FileId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TaskChatMessages_IsDeleted",
+                table: "TaskChatMessages",
+                column: "IsDeleted");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TaskChatMessages_ReplyToMessageId",
+                table: "TaskChatMessages",
+                column: "ReplyToMessageId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TaskChatMessages_SenderUserId",
+                table: "TaskChatMessages",
+                column: "SenderUserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TaskChatMessages_TaskId",
+                table: "TaskChatMessages",
+                column: "TaskId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TaskChatMessages_TaskId_IsPinned",
+                table: "TaskChatMessages",
+                columns: new[] { "TaskId", "IsPinned" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UploadedFiles_Category",
+                table: "UploadedFiles",
+                column: "Category");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UploadedFiles_IsDeleted",
+                table: "UploadedFiles",
+                column: "IsDeleted");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UploadedFiles_ReferenceEntityType_ReferenceEntityId",
+                table: "UploadedFiles",
+                columns: new[] { "ReferenceEntityType", "ReferenceEntityId" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UploadedFiles_Status",
+                table: "UploadedFiles",
+                column: "Status");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UploadedFiles_UniqueFileName",
+                table: "UploadedFiles",
+                column: "UniqueFileName",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UploadedFiles_UploadedByUserId",
+                table: "UploadedFiles",
+                column: "UploadedByUserId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "TaskChatMessages");
+
+            migrationBuilder.DropTable(
+                name: "UploadedFiles");
+        }
+    }
+}

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Migrations/AppDbContextModelSnapshot.cs

@@ -102,6 +102,131 @@ namespace GozareshgirProgramManager.Infrastructure.Migrations
                     b.ToTable("Customers", (string)null);
                 });
 
+            modelBuilder.Entity("GozareshgirProgramManager.Domain.FileManagementAgg.Entities.UploadedFile", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime>("CreationDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<long?>("DeletedByUserId")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTime?>("DeletedDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("DurationSeconds")
+                        .HasColumnType("int");
+
+                    b.Property<string>("FileExtension")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<long>("FileSizeBytes")
+                        .HasColumnType("bigint");
+
+                    b.Property<string>("FileType")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<int?>("ImageHeight")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("ImageWidth")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("IsDeleted")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<bool?>("IsVirusScanPassed")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("MimeType")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<string>("OriginalFileName")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<string>("ReferenceEntityId")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("ReferenceEntityType")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("StoragePath")
+                        .HasMaxLength(1000)
+                        .HasColumnType("nvarchar(1000)");
+
+                    b.Property<string>("StorageProvider")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("StorageUrl")
+                        .HasMaxLength(1000)
+                        .HasColumnType("nvarchar(1000)");
+
+                    b.Property<string>("ThumbnailUrl")
+                        .HasMaxLength(1000)
+                        .HasColumnType("nvarchar(1000)");
+
+                    b.Property<string>("UniqueFileName")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<DateTime>("UploadDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<long>("UploadedByUserId")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTime?>("VirusScanDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("VirusScanResult")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Category");
+
+                    b.HasIndex("IsDeleted");
+
+                    b.HasIndex("Status");
+
+                    b.HasIndex("UniqueFileName")
+                        .IsUnique();
+
+                    b.HasIndex("UploadedByUserId");
+
+                    b.HasIndex("ReferenceEntityType", "ReferenceEntityId");
+
+                    b.ToTable("UploadedFiles", (string)null);
+                });
+
             modelBuilder.Entity("GozareshgirProgramManager.Domain.ProjectAgg.Entities.PhaseSection", b =>
                 {
                     b.Property<Guid>("Id")
@@ -495,6 +620,81 @@ namespace GozareshgirProgramManager.Infrastructure.Migrations
                     b.ToTable("Skills", (string)null);
                 });
 
+            modelBuilder.Entity("GozareshgirProgramManager.Domain.TaskChatAgg.Entities.TaskChatMessage", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<DateTime>("CreationDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DeletedDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("EditedDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid?>("FileId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<bool>("IsDeleted")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<bool>("IsEdited")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<bool>("IsPinned")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bit")
+                        .HasDefaultValue(false);
+
+                    b.Property<string>("MessageType")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<long?>("PinnedByUserId")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTime?>("PinnedDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<Guid?>("ReplyToMessageId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<long>("SenderUserId")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid>("TaskId")
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("TextContent")
+                        .HasMaxLength(4000)
+                        .HasColumnType("nvarchar(4000)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreationDate");
+
+                    b.HasIndex("FileId");
+
+                    b.HasIndex("IsDeleted");
+
+                    b.HasIndex("ReplyToMessageId");
+
+                    b.HasIndex("SenderUserId");
+
+                    b.HasIndex("TaskId");
+
+                    b.HasIndex("TaskId", "IsPinned");
+
+                    b.ToTable("TaskChatMessages", (string)null);
+                });
+
             modelBuilder.Entity("GozareshgirProgramManager.Domain.UserAgg.Entities.User", b =>
                 {
                     b.Property<long>("Id")
@@ -779,6 +979,16 @@ namespace GozareshgirProgramManager.Infrastructure.Migrations
                     b.Navigation("WorkingHoursList");
                 });
 
+            modelBuilder.Entity("GozareshgirProgramManager.Domain.TaskChatAgg.Entities.TaskChatMessage", b =>
+                {
+                    b.HasOne("GozareshgirProgramManager.Domain.TaskChatAgg.Entities.TaskChatMessage", "ReplyToMessage")
+                        .WithMany()
+                        .HasForeignKey("ReplyToMessageId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.Navigation("ReplyToMessage");
+                });
+
             modelBuilder.Entity("GozareshgirProgramManager.Domain.UserAgg.Entities.User", b =>
                 {
                     b.OwnsMany("GozareshgirProgramManager.Domain.RoleUserAgg.RoleUser", "RoleUser", b1 =>

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Persistence/Context/ProgramManagerDbContext.cs

@@ -1,14 +1,16 @@
-using GozareshgirProgramManager.Application._Common.Interfaces;
+using GozareshgirProgramManager.Application._Common.Interfaces;
  using GozareshgirProgramManager.Domain.CheckoutAgg.Entities;
  using GozareshgirProgramManager.Domain.CustomerAgg;
 using GozareshgirProgramManager.Application._Common.Interfaces;
 using GozareshgirProgramManager.Domain.CustomerAgg;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
 using GozareshgirProgramManager.Domain.ProjectAgg.Entities;
 using GozareshgirProgramManager.Domain.RoleAgg.Entities;
 using GozareshgirProgramManager.Domain.RoleUserAgg;
 using GozareshgirProgramManager.Domain.SalaryPaymentSettingAgg.Entities;
 using GozareshgirProgramManager.Domain.UserAgg.Entities;
 using GozareshgirProgramManager.Domain.SkillAgg.Entities;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Entities;
 using Microsoft.EntityFrameworkCore;
 
 namespace GozareshgirProgramManager.Infrastructure.Persistence.Context;
@@ -40,6 +42,13 @@ public class ProgramManagerDbContext : DbContext, IProgramManagerDbContext
     public DbSet<Role> Roles { get; set; } = null!;
 
     public DbSet<Skill> Skills { get; set; } = null!;
+    
+    // File Management
+    public DbSet<UploadedFile> UploadedFiles { get; set; } = null!;
+    
+    // Task Chat
+    public DbSet<TaskChatMessage> TaskChatMessages { get; set; } = null!;
+    
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         modelBuilder.ApplyConfigurationsFromAssembly(typeof(ProgramManagerDbContext).Assembly);

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Persistence/Mappings/TaskChatMessageMapping.cs

@@ -0,0 +1,87 @@
+using GozareshgirProgramManager.Domain.TaskChatAgg.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace GozareshgirProgramManager.Infrastructure.Persistence.Mappings;
+
+public class TaskChatMessageMapping : IEntityTypeConfiguration<TaskChatMessage>
+{
+    public void Configure(EntityTypeBuilder<TaskChatMessage> builder)
+    {
+        builder.ToTable("TaskChatMessages");
+
+        builder.HasKey(x => x.Id);
+
+        builder.Property(x => x.Id)
+            .ValueGeneratedNever();
+
+        // Task Reference
+        builder.Property(x => x.TaskId)
+            .IsRequired();
+
+        builder.HasIndex(x => x.TaskId);
+
+        // Sender
+        builder.Property(x => x.SenderUserId)
+            .IsRequired();
+
+        builder.HasIndex(x => x.SenderUserId);
+
+        // Message Type
+        builder.Property(x => x.MessageType)
+            .IsRequired()
+            .HasConversion<string>()
+            .HasMaxLength(50);
+
+        // Content
+        builder.Property(x => x.TextContent)
+            .HasMaxLength(4000);
+
+        // File Reference
+        builder.Property(x => x.FileId);
+
+        builder.HasIndex(x => x.FileId);
+
+        // Reply
+        builder.Property(x => x.ReplyToMessageId);
+
+        builder.HasOne(x => x.ReplyToMessage)
+            .WithMany()
+            .HasForeignKey(x => x.ReplyToMessageId)
+            .OnDelete(DeleteBehavior.NoAction);
+
+        // Status
+        builder.Property(x => x.IsEdited)
+            .IsRequired()
+            .HasDefaultValue(false);
+
+        builder.Property(x => x.EditedDate);
+
+        builder.Property(x => x.IsDeleted)
+            .IsRequired()
+            .HasDefaultValue(false);
+
+        builder.Property(x => x.DeletedDate);
+
+        builder.HasIndex(x => x.IsDeleted);
+
+        // Pin
+        builder.Property(x => x.IsPinned)
+            .IsRequired()
+            .HasDefaultValue(false);
+
+        builder.Property(x => x.PinnedDate);
+        builder.Property(x => x.PinnedByUserId);
+
+        builder.HasIndex(x => new { x.TaskId, x.IsPinned });
+
+        // Audit
+        builder.Property(x => x.CreationDate)
+            .IsRequired();
+
+        builder.HasIndex(x => x.CreationDate);
+
+        // Query Filter - پیام‌های حذف نشده
+        builder.HasQueryFilter(x => !x.IsDeleted);
+    }
+}

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Persistence/Mappings/UploadedFileMapping.cs

@@ -0,0 +1,121 @@
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace GozareshgirProgramManager.Infrastructure.Persistence.Mappings;
+
+public class UploadedFileMapping : IEntityTypeConfiguration<UploadedFile>
+{
+    public void Configure(EntityTypeBuilder<UploadedFile> builder)
+    {
+        builder.ToTable("UploadedFiles");
+
+        builder.HasKey(x => x.Id);
+
+        builder.Property(x => x.Id)
+            .ValueGeneratedNever();
+
+        // اطلاعات فایل
+        builder.Property(x => x.OriginalFileName)
+            .IsRequired()
+            .HasMaxLength(500);
+
+        builder.Property(x => x.UniqueFileName)
+            .IsRequired()
+            .HasMaxLength(500);
+
+        builder.HasIndex(x => x.UniqueFileName)
+            .IsUnique();
+
+        builder.Property(x => x.FileExtension)
+            .IsRequired()
+            .HasMaxLength(50);
+
+        builder.Property(x => x.FileSizeBytes)
+            .IsRequired();
+
+        builder.Property(x => x.MimeType)
+            .IsRequired()
+            .HasMaxLength(200);
+
+        builder.Property(x => x.FileType)
+            .IsRequired()
+            .HasConversion<string>()
+            .HasMaxLength(50);
+
+        builder.Property(x => x.Category)
+            .IsRequired()
+            .HasConversion<string>()
+            .HasMaxLength(100);
+
+        // ذخیره‌سازی
+        builder.Property(x => x.StorageProvider)
+            .IsRequired()
+            .HasConversion<string>()
+            .HasMaxLength(50);
+
+        builder.Property(x => x.StoragePath)
+            .HasMaxLength(1000);
+
+        builder.Property(x => x.StorageUrl)
+            .HasMaxLength(1000);
+
+        builder.Property(x => x.ThumbnailUrl)
+            .HasMaxLength(1000);
+
+        // متادیتا
+        builder.Property(x => x.UploadedByUserId)
+            .IsRequired();
+
+        builder.Property(x => x.UploadDate)
+            .IsRequired();
+
+        builder.Property(x => x.Status)
+            .IsRequired()
+            .HasConversion<string>()
+            .HasMaxLength(50);
+
+        builder.HasIndex(x => x.Status);
+        builder.HasIndex(x => x.UploadedByUserId);
+        builder.HasIndex(x => x.Category);
+
+        // اطلاعات تصویر
+        builder.Property(x => x.ImageWidth);
+        builder.Property(x => x.ImageHeight);
+
+        // اطلاعات صوت/ویدیو
+        builder.Property(x => x.DurationSeconds);
+
+        // امنیت
+        builder.Property(x => x.VirusScanDate);
+        builder.Property(x => x.IsVirusScanPassed);
+        builder.Property(x => x.VirusScanResult)
+            .HasMaxLength(500);
+
+        // Soft Delete
+        builder.Property(x => x.IsDeleted)
+            .IsRequired()
+            .HasDefaultValue(false);
+
+        builder.Property(x => x.DeletedDate);
+        builder.Property(x => x.DeletedByUserId);
+
+        builder.HasIndex(x => x.IsDeleted);
+
+        // Reference Tracking
+        builder.Property(x => x.ReferenceEntityType)
+            .HasMaxLength(100);
+
+        builder.Property(x => x.ReferenceEntityId)
+            .HasMaxLength(100);
+
+        builder.HasIndex(x => new { x.ReferenceEntityType, x.ReferenceEntityId });
+
+        // Audit
+        builder.Property(x => x.CreationDate)
+            .IsRequired();
+
+        // Query Filter - فایل‌های حذف نشده
+        builder.HasQueryFilter(x => !x.IsDeleted);
+    }
+}

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Persistence/Repositories/FileManagement/UploadedFileRepository.cs

@@ -0,0 +1,134 @@
+using GozareshgirProgramManager.Domain.FileManagementAgg.Entities;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Enums;
+using GozareshgirProgramManager.Domain.FileManagementAgg.Repositories;
+using GozareshgirProgramManager.Infrastructure.Persistence.Context;
+using Microsoft.EntityFrameworkCore;
+
+namespace GozareshgirProgramManager.Infrastructure.Persistence.Repositories.FileManagement;
+
+public class UploadedFileRepository : IUploadedFileRepository
+{
+    private readonly ProgramManagerDbContext _context;
+
+    public UploadedFileRepository(ProgramManagerDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<UploadedFile?> GetByIdAsync(Guid fileId)
+    {
+        return await _context.UploadedFiles
+            .FirstOrDefaultAsync(x => x.Id == fileId);
+    }
+
+    public async Task<UploadedFile?> GetByUniqueFileNameAsync(string uniqueFileName)
+    {
+        return await _context.UploadedFiles
+            .FirstOrDefaultAsync(x => x.UniqueFileName == uniqueFileName);
+    }
+
+    public async Task<List<UploadedFile>> GetUserFilesAsync(long userId, int pageNumber, int pageSize)
+    {
+        return await _context.UploadedFiles
+            .Where(x => x.UploadedByUserId == userId)
+            .OrderByDescending(x => x.UploadDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<List<UploadedFile>> GetByCategoryAsync(FileCategory category, int pageNumber, int pageSize)
+    {
+        return await _context.UploadedFiles
+            .Where(x => x.Category == category)
+            .OrderByDescending(x => x.UploadDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<List<UploadedFile>> GetByStatusAsync(FileStatus status, int pageNumber, int pageSize)
+    {
+        return await _context.UploadedFiles
+            .Where(x => x.Status == status)
+            .OrderByDescending(x => x.UploadDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<List<UploadedFile>> GetByReferenceAsync(string entityType, string entityId)
+    {
+        return await _context.UploadedFiles
+            .Where(x => x.ReferenceEntityType == entityType && x.ReferenceEntityId == entityId)
+            .OrderByDescending(x => x.UploadDate)
+            .ToListAsync();
+    }
+
+    public async Task<List<UploadedFile>> SearchByNameAsync(string searchTerm, int pageNumber, int pageSize)
+    {
+        return await _context.UploadedFiles
+            .Where(x => x.OriginalFileName.Contains(searchTerm))
+            .OrderByDescending(x => x.UploadDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<int> GetUserFilesCountAsync(long userId)
+    {
+        return await _context.UploadedFiles
+            .CountAsync(x => x.UploadedByUserId == userId);
+    }
+
+    public async Task<long> GetUserTotalFileSizeAsync(long userId)
+    {
+        return await _context.UploadedFiles
+            .Where(x => x.UploadedByUserId == userId)
+            .SumAsync(x => x.FileSizeBytes);
+    }
+
+    public async Task<List<UploadedFile>> GetExpiredFilesAsync(DateTime olderThan)
+    {
+        return await _context.UploadedFiles
+            .IgnoreQueryFilters() // Include deleted files
+            .Where(x => x.IsDeleted && x.DeletedDate < olderThan)
+            .ToListAsync();
+    }
+
+    public async Task<UploadedFile> AddAsync(UploadedFile file)
+    {
+        await _context.UploadedFiles.AddAsync(file);
+        return file;
+    }
+
+    public Task UpdateAsync(UploadedFile file)
+    {
+        _context.UploadedFiles.Update(file);
+        return Task.CompletedTask;
+    }
+
+    public Task DeleteAsync(UploadedFile file)
+    {
+        _context.UploadedFiles.Remove(file);
+        return Task.CompletedTask;
+    }
+
+    public async Task<int> SaveChangesAsync()
+    {
+        return await _context.SaveChangesAsync();
+    }
+
+    public async Task<bool> ExistsAsync(Guid fileId)
+    {
+        return await _context.UploadedFiles
+            .AnyAsync(x => x.Id == fileId);
+    }
+
+    public async Task<bool> ExistsByUniqueFileNameAsync(string uniqueFileName)
+    {
+        return await _context.UploadedFiles
+            .AnyAsync(x => x.UniqueFileName == uniqueFileName);
+    }
+}
+

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Persistence/Repositories/TaskChat/TaskChatMessageRepository.cs

@@ -0,0 +1,122 @@
+using GozareshgirProgramManager.Domain.TaskChatAgg.Entities;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Repositories;
+using GozareshgirProgramManager.Infrastructure.Persistence.Context;
+using Microsoft.EntityFrameworkCore;
+
+namespace GozareshgirProgramManager.Infrastructure.Persistence.Repositories.TaskChat;
+
+public class TaskChatMessageRepository : ITaskChatMessageRepository
+{
+    private readonly ProgramManagerDbContext _context;
+
+    public TaskChatMessageRepository(ProgramManagerDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<TaskChatMessage?> GetByIdAsync(Guid messageId)
+    {
+        return await _context.TaskChatMessages
+            .Include(x => x.ReplyToMessage)
+            .FirstOrDefaultAsync(x => x.Id == messageId);
+    }
+
+    public async Task<List<TaskChatMessage>> GetTaskMessagesAsync(Guid taskId, int pageNumber, int pageSize)
+    {
+        return await _context.TaskChatMessages
+            .Where(x => x.TaskId == taskId)
+            .Include(x => x.ReplyToMessage)
+            .OrderBy(x => x.CreationDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<int> GetTaskMessageCountAsync(Guid taskId)
+    {
+        return await _context.TaskChatMessages
+            .CountAsync(x => x.TaskId == taskId);
+    }
+
+    public async Task<List<TaskChatMessage>> GetPinnedMessagesAsync(Guid taskId)
+    {
+        return await _context.TaskChatMessages
+            .Where(x => x.TaskId == taskId && x.IsPinned)
+            .Include(x => x.ReplyToMessage)
+            .OrderByDescending(x => x.PinnedDate)
+            .ToListAsync();
+    }
+
+    public async Task<TaskChatMessage?> GetLastMessageAsync(Guid taskId)
+    {
+        return await _context.TaskChatMessages
+            .Where(x => x.TaskId == taskId)
+            .OrderByDescending(x => x.CreationDate)
+            .FirstOrDefaultAsync();
+    }
+
+    public async Task<List<TaskChatMessage>> SearchMessagesAsync(Guid taskId, string searchText, int pageNumber, int pageSize)
+    {
+        return await _context.TaskChatMessages
+            .Where(x => x.TaskId == taskId && 
+                       x.TextContent != null && 
+                       x.TextContent.Contains(searchText))
+            .Include(x => x.ReplyToMessage)
+            .OrderByDescending(x => x.CreationDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<List<TaskChatMessage>> GetUserMessagesAsync(Guid taskId, long userId, int pageNumber, int pageSize)
+    {
+        return await _context.TaskChatMessages
+            .Where(x => x.TaskId == taskId && x.SenderUserId == userId)
+            .Include(x => x.ReplyToMessage)
+            .OrderByDescending(x => x.CreationDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<List<TaskChatMessage>> GetMediaMessagesAsync(Guid taskId, int pageNumber, int pageSize)
+    {
+        return await _context.TaskChatMessages
+            .Where(x => x.TaskId == taskId && x.FileId != null)
+            .Include(x => x.ReplyToMessage)
+            .OrderByDescending(x => x.CreationDate)
+            .Skip((pageNumber - 1) * pageSize)
+            .Take(pageSize)
+            .ToListAsync();
+    }
+
+    public async Task<TaskChatMessage> AddAsync(TaskChatMessage message)
+    {
+        await _context.TaskChatMessages.AddAsync(message);
+        return message;
+    }
+
+    public Task UpdateAsync(TaskChatMessage message)
+    {
+        _context.TaskChatMessages.Update(message);
+        return Task.CompletedTask;
+    }
+
+    public Task DeleteAsync(TaskChatMessage message)
+    {
+        _context.TaskChatMessages.Remove(message);
+        return Task.CompletedTask;
+    }
+
+    public async Task<int> SaveChangesAsync()
+    {
+        return await _context.SaveChangesAsync();
+    }
+
+    public async Task<bool> ExistsAsync(Guid messageId)
+    {
+        return await _context.TaskChatMessages
+            .AnyAsync(x => x.Id == messageId);
+    }
+}
+

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Services/FileManagement/LocalFileStorageService.cs

@@ -0,0 +1,108 @@
+using GozareshgirProgramManager.Application.Services.FileManagement;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+
+
+namespace GozareshgirProgramManager.Infrastructure.Services.FileManagement;
+
+/// <summary>
+/// سرویس ذخیره‌سازی فایل در سیستم فایل محلی
+/// </summary>
+public class LocalFileStorageService : IFileStorageService
+{
+    private readonly string _uploadBasePath;
+    private readonly string _baseUrl;
+
+    public LocalFileStorageService(IConfiguration configuration,
+        IHttpContextAccessor httpContextAccessor, IHostEnvironment env)
+    {
+        // محاسبه مسیر پایه: اگر env نبود، از مسیر فعلی استفاده کن
+        var contentRoot = env.ContentRootPath;
+        _uploadBasePath = Path.Combine(contentRoot, "Storage");
+        // Base URL برای دسترسی به فایل‌ها
+        var request = httpContextAccessor.HttpContext?.Request;
+        if (request != null)
+        {
+            _baseUrl = $"{request.Scheme}://{request.Host}/storage";
+        }
+        else
+        {
+            _baseUrl = configuration["FileStorage:BaseUrl"] ?? "http://localhost:5000/storage";
+        }
+
+        // ایجاد پوشه اگر وجود نداشت
+        if (!Directory.Exists(_uploadBasePath))
+        {
+            Directory.CreateDirectory(_uploadBasePath);
+        }
+    }
+
+    public async Task<(string StoragePath, string StorageUrl)> UploadAsync(
+        Stream fileStream,
+        string uniqueFileName,
+        string category)
+    {
+        // ایجاد پوشه دسته‌بندی (مثلاً: Uploads/TaskChatMessage)
+        var categoryPath = Path.Combine(_uploadBasePath, category);
+        if (!Directory.Exists(categoryPath))
+        {
+            Directory.CreateDirectory(categoryPath);
+        }
+
+        // ایجاد زیرپوشه بر اساس تاریخ (مثلاً: Uploads/TaskChatMessage/2026/01)
+        var datePath = Path.Combine(categoryPath, DateTime.Now.Year.ToString(),
+                                    DateTime.Now.Month.ToString("00"));
+        if (!Directory.Exists(datePath))
+        {
+            Directory.CreateDirectory(datePath);
+        }
+
+        // مسیر کامل فایل
+        var storagePath = Path.Combine(datePath, uniqueFileName);
+
+        // ذخیره فایل
+        await using var fileStreamOutput = new FileStream(storagePath, FileMode.Create, FileAccess.Write);
+        await fileStream.CopyToAsync(fileStreamOutput);
+
+        // URL فایل
+        var relativePath = Path.GetRelativePath(_uploadBasePath, storagePath)
+            .Replace("\\", "/");
+        var storageUrl = $"{_baseUrl}/{relativePath}";
+
+        return (storagePath, storageUrl);
+    }
+
+    public Task DeleteAsync(string storagePath)
+    {
+        if (File.Exists(storagePath))
+        {
+            File.Delete(storagePath);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    public Task<Stream?> GetFileStreamAsync(string storagePath)
+    {
+        if (!File.Exists(storagePath))
+        {
+            return Task.FromResult<Stream?>(null);
+        }
+
+        var stream = new FileStream(storagePath, FileMode.Open, FileAccess.Read, FileShare.Read);
+        return Task.FromResult<Stream?>(stream);
+    }
+
+    public Task<bool> ExistsAsync(string storagePath)
+    {
+        return Task.FromResult(File.Exists(storagePath));
+    }
+
+    public string GetFileUrl(string storagePath)
+    {
+        var relativePath = Path.GetRelativePath(_uploadBasePath, storagePath)
+            .Replace("\\", "/");
+        return $"{_baseUrl}/{relativePath}";
+    }
+}

ProgramManager/src/Infrastructure/GozareshgirProgramManager.Infrastructure/Services/FileManagement/ThumbnailGeneratorService.cs

@@ -0,0 +1,144 @@
+using GozareshgirProgramManager.Application.Services.FileManagement;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Configuration;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Processing;
+using SixLabors.ImageSharp.Formats.Jpeg;
+
+namespace GozareshgirProgramManager.Infrastructure.Services.FileManagement;
+
+/// <summary>
+/// سرویس تولید thumbnail با استفاده از ImageSharp
+/// </summary>
+public class ThumbnailGeneratorService : IThumbnailGeneratorService
+{
+    private readonly string _thumbnailBasePath;
+    private readonly string _baseUrl;
+
+    public ThumbnailGeneratorService(IConfiguration configuration,
+        IHttpContextAccessor httpContextAccessor)
+    {
+        _thumbnailBasePath = configuration["FileStorage:ThumbnailPath"] 
+                            ?? Path.Combine(Directory.GetCurrentDirectory(), "storage", "Thumbnails");
+        var request = httpContextAccessor.HttpContext?.Request;
+
+        if (request != null)
+        {
+            _baseUrl = $"{request.Scheme}://{request.Host}/storage";
+        }
+        else
+        {
+            _baseUrl = configuration["FileStorage:BaseUrl"] ?? "http://localhost:5000/storage";
+        }
+
+        if (!Directory.Exists(_thumbnailBasePath))
+        {
+            Directory.CreateDirectory(_thumbnailBasePath);
+        }
+    }
+
+    public async Task<(string ThumbnailPath, string ThumbnailUrl)?> GenerateImageThumbnailAsync(
+        string imagePath,
+        string category,
+        int width = 200, 
+        int height = 200)
+    {
+        try
+        {
+            if (!File.Exists(imagePath))
+            {
+                return null;
+            }
+
+            // بارگذاری تصویر
+            using var image = await Image.LoadAsync(imagePath);
+
+            // Resize با حفظ نسبت
+            image.Mutate(x => x.Resize(new ResizeOptions
+            {
+                Size = new Size(width, height),
+                Mode = ResizeMode.Max
+            }));
+
+            // نام فایل thumbnail
+            var fileName = Path.GetFileNameWithoutExtension(imagePath);
+            var extension = Path.GetExtension(imagePath);
+            var thumbnailFileName = $"{fileName}_thumb{extension}";
+
+            // دریافت مسیر و URL توسط متد private
+            var (thumbnailPath, thumbnailUrl) = GetThumbnailPathAndUrl(thumbnailFileName, category);
+
+            // ذخیره thumbnail با کیفیت 80
+            await image.SaveAsync(thumbnailPath, new JpegEncoder { Quality = 80 });
+
+
+            return (thumbnailPath, thumbnailUrl);
+        }
+        catch (Exception)
+        {
+            // در صورت خطا null برمی‌گردانیم
+            return null;
+        }
+    }
+
+    public async Task<(string ThumbnailPath, string ThumbnailUrl)?> GenerateVideoThumbnailAsync(string videoPath, string category = "general")
+    {
+        // TODO: برای Video thumbnail باید از FFmpeg استفاده کنیم
+        // فعلاً یک placeholder image برمی‌گردانیم
+        await Task.CompletedTask;
+        return null;
+    }
+
+    public Task DeleteThumbnailAsync(string thumbnailPath)
+    {
+        if (File.Exists(thumbnailPath))
+        {
+            File.Delete(thumbnailPath);
+        }
+
+        return Task.CompletedTask;
+    }
+
+    public async Task<(int Width, int Height)?> GetImageDimensionsAsync(string imagePath)
+    {
+        try
+        {
+            if (!File.Exists(imagePath))
+            {
+                return null;
+            }
+
+            var imageInfo = await Image.IdentifyAsync(imagePath);
+            return (imageInfo.Width, imageInfo.Height);
+        }
+        catch (Exception)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>
+    /// دریافت مسیر فیزیکی و URL برای thumbnail بر اساس category
+    /// </summary>
+    private (string ThumbnailPath, string ThumbnailUrl) GetThumbnailPathAndUrl(string thumbnailFileName, string category)
+    {
+        var categoryFolder = string.IsNullOrWhiteSpace(category) ? "general" : category;
+        var categoryPath = Path.Combine(Directory.GetCurrentDirectory(), "storage", categoryFolder);
+        
+        if (!Directory.Exists(categoryPath))
+        {
+            Directory.CreateDirectory(categoryPath);
+        }
+
+        var thumbnailSubPath = Path.Combine(categoryPath, "Thumbnails");
+        if (!Directory.Exists(thumbnailSubPath))
+        {
+            Directory.CreateDirectory(thumbnailSubPath);
+        }
+
+        var thumbnailPath = Path.Combine(thumbnailSubPath, thumbnailFileName);
+        var thumbnailUrl = $"{_baseUrl}/{categoryFolder}/thumbnails/{thumbnailFileName}";
+
+        return (thumbnailPath, thumbnailUrl);
+    }
+}

ServiceHost/Areas/Admin/Controllers/ProgramManager/TaskChatController.cs

@@ -0,0 +1,144 @@
+using GozareshgirProgramManager.Application._Common.Models;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.DeleteMessage;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.EditMessage;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.PinMessage;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.SendMessage;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.UnpinMessage;
+using GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Queries.GetMessages;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Queries.GetPinnedMessages;
+using GozareshgirProgramManager.Application.Modules.TaskChat.Queries.SearchMessages;
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+using ServiceHost.BaseControllers;
+
+namespace ServiceHost.Areas.Admin.Controllers.ProgramManager;
+
+/// <summary>
+/// کنترلر مدیریت چت تسک
+/// </summary>
+public class TaskChatController : ProgramManagerBaseController
+{
+    private readonly IMediator _mediator;
+
+    public TaskChatController(IMediator mediator)
+    {
+        _mediator = mediator;
+    }
+
+    /// <summary>
+    /// دریافت لیست پیام‌های یک تسک
+    /// </summary>
+    /// <param name="taskId">شناسه تسک</param>
+    /// <param name="page">صفحه (پیش‌فرض: 1)</param>
+    /// <param name="pageSize">تعداد در هر صفحه (پیش‌فرض: 50)</param>
+    [HttpGet("{taskId:guid}/messages")]
+    public async Task<ActionResult<OperationResult<PaginationResult<MessageDto>>>> GetMessages(
+        Guid taskId,
+        [FromQuery] int page = 1,
+        [FromQuery] int pageSize = 50)
+    {
+        var query = new GetMessagesQuery(taskId, page, pageSize);
+        var result = await _mediator.Send(query);
+        return result;
+    }
+
+    /// <summary>
+    /// دریافت پیام‌های پین شده یک تسک
+    /// </summary>
+    /// <param name="taskId">شناسه تسک</param>
+    [HttpGet("{taskId:guid}/messages/pinned")]
+    public async Task<ActionResult<OperationResult<List<MessageDto>>>> GetPinnedMessages(Guid taskId)
+    {
+        var query = new GetPinnedMessagesQuery(taskId);
+        var result = await _mediator.Send(query);
+        return result;
+    }
+
+    /// <summary>
+    /// جستجو در پیام‌های یک تسک
+    /// </summary>
+    /// <param name="taskId">شناسه تسک</param>
+    /// <param name="search">متن جستجو</param>
+    /// <param name="page">صفحه</param>
+    /// <param name="pageSize">تعداد در هر صفحه</param>
+    [HttpGet("{taskId:guid}/messages/search")]
+    public async Task<ActionResult<OperationResult<List<MessageDto>>>> SearchMessages(
+        Guid taskId,
+        [FromQuery] string search,
+        [FromQuery] int page = 1,
+        [FromQuery] int pageSize = 20)
+    {
+        var query = new SearchMessagesQuery(taskId, search, page, pageSize);
+        var result = await _mediator.Send(query);
+        return result;
+    }
+
+    /// <summary>
+    /// ارسال پیام جدید (با یا بدون فایل)
+    /// </summary>
+    [HttpPost("messages")]
+    public async Task<ActionResult<OperationResult<MessageDto>>> SendMessage(
+        [FromForm] SendMessageCommand command)
+    {
+        var result = await _mediator.Send(command);
+        return result;
+    }
+
+    /// <summary>
+    /// ویرایش پیام (فقط متن)
+    /// </summary>
+    /// <param name="messageId">شناسه پیام</param>
+    /// <param name="request">محتوای جدید</param>
+    [HttpPut("messages/{messageId:guid}")]
+    public async Task<ActionResult<OperationResult>> EditMessage(
+        Guid messageId,
+        [FromBody] EditMessageRequest request)
+    {
+        var command = new EditMessageCommand(messageId, request.NewTextContent);
+        var result = await _mediator.Send(command);
+        return result;
+    }
+
+    /// <summary>
+    /// حذف پیام
+    /// </summary>
+    /// <param name="messageId">شناسه پیام</param>
+    [HttpDelete("messages/{messageId:guid}")]
+    public async Task<ActionResult<OperationResult>> DeleteMessage(Guid messageId)
+    {
+        var command = new DeleteMessageCommand(messageId);
+        var result = await _mediator.Send(command);
+        return result;
+    }
+
+    /// <summary>
+    /// پین کردن پیام
+    /// </summary>
+    /// <param name="messageId">شناسه پیام</param>
+    [HttpPost("messages/{messageId:guid}/pin")]
+    public async Task<ActionResult<OperationResult>> PinMessage(Guid messageId)
+    {
+        var command = new PinMessageCommand(messageId);
+        var result = await _mediator.Send(command);
+        return result;
+    }
+
+    /// <summary>
+    /// برداشتن پین پیام
+    /// </summary>
+    /// <param name="messageId">شناسه پیام</param>
+    [HttpPost("messages/{messageId:guid}/unpin")]
+    public async Task<ActionResult<OperationResult>> UnpinMessage(Guid messageId)
+    {
+        var command = new UnpinMessageCommand(messageId);
+        var result = await _mediator.Send(command);
+        return result;
+    }
+}
+
+public class EditMessageRequest
+{
+    public string NewTextContent { get; set; } = string.Empty;
+}
+

ServiceHost/Areas/Admin/Controllers/institutionContractController.cs

@@ -916,6 +916,17 @@ public class institutionContractController : AdminBaseController
             "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
             $"قرارداد های مالی.xlsx");
     }
+
+    /// <summary>
+    /// تنظیم وضعیت ارسال قرارداد
+    /// </summary>
+    [HttpPost("set-is-sent")]
+    public async Task<ActionResult<OperationResult>> SetIsSent([FromBody] SetInstitutionContractSendFlagRequest request)
+    {
+        var result = await _institutionContractApplication.SetContractSendFlag(request);
+        return result;
+    }
+    
 }
 
 public class InstitutionContractCreationGetRepresentativeIdResponse

ServiceHost/Areas/Client/Controllers/RollCall/RollCallCaseHistoryController.cs

@@ -0,0 +1,200 @@
+using _0_Framework.Application;
+using CompanyManagement.Infrastructure.Excel.RollCall;
+using CompanyManagment.App.Contracts.RollCall;
+using CompanyManagment.App.Contracts.RollCallEmployee;
+using CompanyManagment.App.Contracts.Workshop;
+using Microsoft.AspNetCore.Mvc;
+using ServiceHost.BaseControllers;
+
+namespace ServiceHost.Areas.Client.Controllers.RollCall;
+
+public class RollCallCaseHistoryController : ClientBaseController
+{
+    private readonly IRollCallApplication _rollCallApplication;
+    private readonly long _workshopId;
+    private readonly IWorkshopApplication _workshopApplication;
+    private readonly IRollCallEmployeeApplication _rollCallEmployeeApplication;
+    public RollCallCaseHistoryController(IRollCallApplication rollCallApplication,
+        IAuthHelper authHelper, IWorkshopApplication workshopApplication,
+        IRollCallEmployeeApplication rollCallEmployeeApplication)
+    {
+        _rollCallApplication = rollCallApplication;
+        _workshopApplication = workshopApplication;
+        _rollCallEmployeeApplication = rollCallEmployeeApplication;
+        _workshopId = authHelper.GetWorkshopId();
+    }
+
+    [HttpGet]
+    public async Task<ActionResult<PagedResult<RollCallCaseHistoryTitleDto>>> GetTitles(
+        RollCallCaseHistorySearchModel searchModel)
+    {
+        return await _rollCallApplication.GetCaseHistoryTitles(_workshopId, searchModel);
+    }
+
+    [HttpGet("details")]
+    public async Task<ActionResult<List<RollCallCaseHistoryDetail>>> GetDetails(string titleId,
+        RollCallCaseHistorySearchModel searchModel)
+    {
+        return await _rollCallApplication.GetCaseHistoryDetails(_workshopId, titleId, searchModel);
+    }
+
+    /// <summary>
+    /// ایجاد و ویرایش
+    /// </summary>
+    /// <param name="command"></param>
+    /// <returns></returns>
+    [HttpPost]
+    public ActionResult<OperationResult> Upsert(CreateOrEditEmployeeRollCall command)
+    {
+        command.WorkshopId = _workshopId;
+        return _rollCallApplication.ManualEdit(command);
+    }
+
+    [HttpGet("print")]
+    public async Task<ActionResult<List<RollCallCaseHistoryDetail>>> GetPrintDetails(string titleId,
+        RollCallCaseHistorySearchModel searchModel)
+    {
+        return await _rollCallApplication.GetCaseHistoryDetails(_workshopId, titleId, searchModel);
+    }
+    
+    [HttpGet("total-working")]
+    public ActionResult<OperationResult<string>> OnGetTotalWorking(
+        string startDate, 
+        string startTime, 
+        string endDate, 
+        string endTime)
+    {
+        var op = new OperationResult<string>();
+        const string emptyValue = "-";
+    
+        if (!TryParseDateTime(startDate, startTime, out var start) || 
+            !TryParseDateTime(endDate, endTime, out var end))
+        {
+            return op.Succcedded(emptyValue);
+        }
+
+        if (start >= end)
+        {
+            return op.Succcedded(emptyValue);
+        }
+
+        var duration = (end - start).ToFarsiHoursAndMinutes(emptyValue);
+        return op.Succcedded(duration);
+    }
+    
+
+
+    [HttpGet("excel")]
+    public async Task<IActionResult> GetDownload(string titleId, RollCallCaseHistorySearchModel searchModel)
+    {
+        var res =await _rollCallApplication.DownloadCaseHistoryExcel(_workshopId, titleId, searchModel);
+        
+        return File(res.Bytes,
+            res.MimeType,
+            res.FileName);
+    
+    }
+
+    [HttpGet("edit")]
+    public ActionResult<EditRollCallDetailsResult> GetEditDetails(string date, long employeeId)
+    {
+        var result = _rollCallApplication.GetWorkshopEmployeeRollCallsForDate(_workshopId, employeeId, date);
+        //var dates = _rollCallApplication.GetEditableDatesForManualEdit(date.ToGeorgianDateTime());
+        var name = _rollCallEmployeeApplication.GetByEmployeeIdAndWorkshopId(employeeId, _workshopId);
+        
+        var total = new TimeSpan(result.Sum(x =>
+            (x.EndDate!.Value.Ticks - x.StartDate!.Value.Ticks)));
+        
+        var res = new EditRollCallDetailsResult()
+        {
+            EmployeeFullName = name.EmployeeFullName,
+            EmployeeId = employeeId,
+            DateFa = date,
+            //EditableDates = dates,
+            Records = result.Select(x=>new EmployeeRollCallRecord()
+            {
+                Date = x.DateGr,
+                EndDate = x.EndDateFa,
+                EndTime = x.EndTimeString,
+                RollCallId = x.Id,
+                StartDate = x.StartDateFa,
+                StartTime = x.StartTimeString
+            }).ToList(),
+            TotalRollCallsDuration = total.ToFarsiHoursAndMinutes("-")
+        };
+
+        return res;
+    }
+    [HttpPost("edit")]
+    public ActionResult<OperationResult> Edit(CreateOrEditEmployeeRollCall command)
+    {
+        command.WorkshopId = _workshopId;
+        var result = _rollCallApplication.ManualEdit(command);
+        return result;
+    }
+    [HttpDelete("delete")]
+    public IActionResult OnPostRemoveEmployeeRollCallsInDate(RemoveEmployeeRollCallRequest request)
+    {
+        var result = _rollCallApplication.RemoveEmployeeRollCallsInDate(_workshopId, request.EmployeeId, request.Date);
+
+        return new JsonResult(new
+        {
+            success = result.IsSuccedded,
+            message = result.Message,
+        });
+    }
+    
+    // [HttpGet("edit")]
+    // public ActionResult<> GetEditDetails(string date,long employeeId)
+    // {
+    //     var result = _rollCallApplication.GetWorkshopEmployeeRollCallsForDate(_workshopId, employeeId, date);
+    //     //var dates = _rollCallApplication.GetEditableDatesForManualEdit(date.ToGeorgianDateTime());
+    //     var name = _rollCallEmployeeApplication.GetByEmployeeIdAndWorkshopId(employeeId, _workshopId);
+    //
+    //     var total = new TimeSpan(result.Sum(x =>
+    //         (x.EndDate!.Value.Ticks - x.StartDate!.Value.Ticks)));
+    //
+    //     var command = new EmployeeRollCallsViewModel()
+    //     {
+    //         EmployeeFullName = name.EmployeeFullName,
+    //         EmployeeId = employeeId,
+    //         DateFa = date,
+    //         //EditableDates = dates,
+    //         RollCalls = result,
+    //         TotalRollCallsDuration = total.ToFarsiHoursAndMinutes("-")
+    //     };
+    // }
+    
+    
+    private static bool TryParseDateTime(string date, string time, out DateTime result)
+    {
+        result = default;
+    
+        try
+        {
+            var dateTime = date.ToGeorgianDateTime();
+            var timeOnly = TimeOnly.Parse(time);
+            result = dateTime.AddTicks(timeOnly.Ticks);
+            return true;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+}
+
+public class EditRollCallDetailsResult
+{
+    public string EmployeeFullName { get; set; }
+    public long EmployeeId { get; set; }
+    public string DateFa { get; set; }
+    public string TotalRollCallsDuration { get; set; }
+    public List<EmployeeRollCallRecord> Records { get; set; }
+}
+
+public class RemoveEmployeeRollCallRequest
+{
+    public long EmployeeId { get; set; }
+    public string Date { get; set; }
+}

ServiceHost/Areas/Client/Pages/Company/RollCall/CaseHistory.cshtml.cs

@@ -251,8 +251,6 @@ namespace ServiceHost.Areas.Client.Pages.Company.RollCall
                 var hours = (int)span.TotalHours;
                 var minutes = span.Minutes;
                 
-
-
                 if (hours > 0 && minutes > 0)
                 {
                     return new JsonResult(new

ServiceHost/BaseControllers/AdminBaseController.cs

@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+
 namespace ServiceHost.BaseControllers;
 
 [Authorize(Policy = "AdminArea")]

ServiceHost/Controllers/GeneralController.cs

@@ -42,6 +42,15 @@ public class GeneralController : GeneralBaseController
             currentDate
         });
     }
+    [HttpGet("persian-day-of-week")]
+    public ActionResult<OperationResult<string>> OnGetDayOfWeek(string dateFa)
+    {
+        var op = new OperationResult<string>();
+        if (!dateFa.TryToGeorgianDateTime(out DateTime date))
+            return op.Failed("تاریخ وارد شده نامعتبر است");
+        
+        return op.Succcedded(date.DayOfWeek.DayOfWeeKToPersian());
+    }
 
     // [HttpGet("pm-permissions")]
     // public IActionResult GetPMPermissions()
@@ -96,44 +105,8 @@ public class GeneralController : GeneralBaseController
         var statusCode = isSuccess ? "1" : "0";
         return $"{baseUrl}/callback?Status={statusCode}&transactionId={transactionId}";
     }
-}
     
-public class TokenReq
-{
-    public long Amount { get; set; }
     
-    public string CallbackUrl { get; set; }
-
-    [Display(Name = "شماره فاکتور")]
-    [MaxLength(100)]
-    [Required]
-    [Key]
-    // be ezaye har pazirande bayad yekta bashad
-    public string invoiceID { get; set; }
-
-    [Required] public long terminalID { get; set; }
-
-    /*
-     * JSON Bashad
-     * etelaate takmili site harchi
-     * nabayad char khas dashte bashe (*'"xp_%!+- ...)
-     */
-    public string Payload { get; set; } = "";
-    public string email { get; set; }
-}
-
-public class TokenResp
-{
-    // if 0 = success
-    public int Status { get; set; }
-    public string AccessToken { get; set; }
-}
-
-public class PayRequest
-{
-    [Required] [MaxLength(3000)] public string token { get; set; }
-    [Required] public long terminalID { get; set; }
-    public string nationalCode { get; set; }
 }
 
 public class SepehrGatewayPayResponse
@@ -170,9 +143,3 @@ public class SepehrGatewayPayResponse
 
     [Display(Name = " شماره کارت ")] public string cardnumber { get; set; }
 }
-
-public class AdviceReq
-{
-    [Display(Name = " رسید دیجیتال ")] public string digitalreceipt { get; set; }
-    public long Tid { get; set; }
-}

ServiceHost/Program.cs

@@ -63,10 +63,17 @@ if (!Directory.Exists(logDirectory))
     Directory.CreateDirectory(logDirectory);
 }
 
-// فقط برای فایل از Serilog استفاده می‌شود
-// تنظیمات MinimumLevel از appsettings.json خوانده می‌شود
 Log.Logger = new LoggerConfiguration()
-    .Enrich.FromLogContext()
+    //NO EF Core log
+    .MinimumLevel.Override("Microsoft.EntityFrameworkCore", LogEventLevel.Warning)
+
+    //NO DbCommand log
+    .MinimumLevel.Override("Microsoft.EntityFrameworkCore.Database.Command", LogEventLevel.Warning)
+
+    //NO Microsoft Public log
+    .MinimumLevel.Override("Microsoft", LogEventLevel.Warning)
+   
+    //.MinimumLevel.Information()
     .WriteTo.File(
         path: Path.Combine(logDirectory, "gozareshgir_log.txt"),
         rollingInterval: RollingInterval.Day,
@@ -373,9 +380,10 @@ builder.Services.AddParbad().ConfigureGateways(gateways =>
 });
 
 
-// فقط Serilog برای File استفاده می‌شه، کنسول از لاگر پیش‌فرض ASP.NET استفاده می‌کنه
-builder.Host.UseSerilog((context, services, configuration) =>
+if (builder.Environment.IsDevelopment())
 {
+    builder.Host.UseSerilog((context, services, configuration) =>
+    {
         var logConfig = configuration
             .ReadFrom.Configuration(context.Configuration)
             .ReadFrom.Services(services)
@@ -389,7 +397,13 @@ builder.Host.UseSerilog((context, services, configuration) =>
             shared: true,
             outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss} [{Level}] {Message}{NewLine}{Exception}"
         );
-}, writeToProviders: true); // این باعث میشه کنسول پیش‌فرض هم کار کنه
+    }, writeToProviders: true); // این باعث میشه کنسول پیش‌فرض هم کار کنه
+
+}
+else
+{
+    builder.Host.UseSerilog();
+}
 
 Log.Information("SERILOG STARTED SUCCESSFULLY");
 
@@ -486,6 +500,24 @@ app.UseHttpsRedirection();
 
 app.UseStaticFiles();
 
+// Static files برای فایل‌های آپلود شده
+var uploadsPath = builder.Configuration["FileStorage:LocalPath"] ?? Path.Combine(Directory.GetCurrentDirectory(), "Storage");
+if (!Directory.Exists(uploadsPath))
+{
+    Directory.CreateDirectory(uploadsPath);
+}
+
+app.UseStaticFiles(new StaticFileOptions
+{
+    FileProvider = new Microsoft.Extensions.FileProviders.PhysicalFileProvider(uploadsPath),
+    RequestPath = "/storage",
+    OnPrepareResponse = ctx =>
+    {
+        // Cache برای فایل‌ها (30 روز)
+        ctx.Context.Response.Headers.Append("Cache-Control", "public,max-age=2592000");
+    }
+});
+
 app.UseCookiePolicy();
 
 

ServiceHost/Properties/launchSettings.json

@@ -19,7 +19,7 @@
       "sqlDebugging": true,
       "dotnetRunMessages": "true",
       "nativeDebugging": true,
-      "applicationUrl": "https://localhost:5004;http://localhost:5003;",
+      "applicationUrl": "https://localhost:5004;http://localhost:5003;https://192.168.0.117:5005",
       "jsWebView2Debugging": false,
       "hotReloadEnabled": true
     },