GetRobotsQueryHandler.cs
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using AutoMapper;
using MassTransit;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
using Rcs.Application.Common;
using Rcs.Application.DTOs;
using Rcs.Application.MessageBus.Commands;
using Rcs.Domain.Entities;
using Rcs.Domain.Repositories;
namespace Rcs.Infrastructure.MessageBus.Handlers.Commands;
/// <summary>
/// 查询机器人列表命令处理器
/// @author zzy - 添加Include导航属性
/// </summary>
public class GetRobotsQueryHandler : IConsumer<GetRobotsQuery>
{
private readonly ILogger<GetRobotsQueryHandler> _logger;
private readonly IRobotRepository _robotRepository;
private readonly IMapper _mapper;
public GetRobotsQueryHandler(
ILogger<GetRobotsQueryHandler> logger,
IRobotRepository robotRepository,
IMapper mapper)
{
_logger = logger;
_robotRepository = robotRepository;
_mapper = mapper;
}
public async Task Consume(ConsumeContext<GetRobotsQuery> context)
{
var query = context.Message;
var queryable = _robotRepository.GetQueryable();
if (!string.IsNullOrWhiteSpace(query.FilterModel))
{
queryable = FilterHelper.ApplyFilters(queryable, query.FilterModel);
}
var totalCount = await queryable.CountAsync(context.CancellationToken);
var robots = await queryable
.OrderBy(m => m.RobotCode)
.Skip((query.PageNumber - 1) * query.PageSize)
.Take(query.PageSize)
.ToListAsync(context.CancellationToken);
var robotDtos = _mapper.Map<List<RobotListItemDto>>(robots);
await context.RespondAsync(PagedResponse<RobotListItemDto>.Successful(robotDtos, query.PageNumber, query.PageSize, totalCount));
}
}