Files

73 lines
2.8 KiB
C#

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);
}
}