GetMapQueryHandler.cs
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using MassTransit;
using Microsoft.Extensions.Logging;
using Rcs.Application.DTOs;
using Rcs.Application.MessageBus.Commands;
using Rcs.Domain.Entities;
using Rcs.Domain.Repositories;
using AutoMapper;
using Rcs.Domain.Extensions;
using Rcs.Application.Common;
using Rcs.Application.Dtos;
namespace Rcs.Infrastructure.MessageBus.Handlers.Commands;
/// <summary>
/// 查询单个机器人命令处理器
/// </summary>
public class GetMapQueryHandler : IConsumer<GetMapQuery>
{
private readonly ILogger<GetMapQueryHandler> _logger;
private readonly IMapRepository _mapRepository;
private readonly IMapper _mapper;
public GetMapQueryHandler(
ILogger<GetMapQueryHandler> logger,
IMapRepository mapRepository,
IMapper mapper)
{
_logger = logger;
_mapRepository = mapRepository;
_mapper = mapper;
}
public async Task Consume(ConsumeContext<GetMapQuery> context)
{
var query = context.Message;
try
{
var map = await _mapRepository.GetByIdAsync(
query.MapId,
context.CancellationToken);
if (map == null)
{
throw new BusinessException("地图不存在");
}
var mapDto = _mapper.Map<MapDto>(map);
// 响应查询结果
await context.RespondAsync(ApiResponse<MapDto>.Successful(mapDto));
}
catch (Exception ex)
{
await context.RespondAsync(ApiResponse<MapDto>.Failed(ex.Message));
}
}
}