add message type to search query

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

@@ -1,6 +1,7 @@
 using GozareshgirProgramManager.Application._Common.Interfaces;
 using GozareshgirProgramManager.Application._Common.Models;
 using GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
+using GozareshgirProgramManager.Domain.TaskChatAgg.Enums;
 using MediatR;
 using Microsoft.EntityFrameworkCore;
 
@@ -8,6 +9,7 @@ namespace GozareshgirProgramManager.Application.Modules.TaskChat.Queries.GetMess
 
 public record GetMessagesQuery(
     Guid TaskId,
+    MessageType? MessageType,
     int Page = 1,
     int PageSize = 50
 ) : IBaseQuery<PaginationResult<MessageDto>>;
@@ -34,7 +36,12 @@ public class GetMessagesQueryHandler : IBaseQueryHandler<GetMessagesQuery, Pagin
         var query = _context.TaskChatMessages
             .Where(m => m.TaskId == request.TaskId && !m.IsDeleted)
             .Include(m => m.ReplyToMessage)
-            .OrderBy(m => m.CreationDate);
+            .OrderBy(m => m.CreationDate).AsQueryable();
+
+        if (request.MessageType.HasValue)
+        {
+            query = query.Where(m => m.MessageType == request.MessageType.Value);
+        }
 
         var totalCount = await query.CountAsync(cancellationToken);