GetAlarmLogQueryHandler.cs 1.62 KB
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.Infrastructure.DB.MsSql;

namespace Rcs.Infrastructure.MessageBus.Handlers.Commands;

/// <summary>
/// 查询报警日志详情处理器
/// </summary>
public class GetAlarmLogQueryHandler : IConsumer<GetAlarmLogQuery>
{
    private readonly ILogger<GetAlarmLogQueryHandler> _logger;
    private readonly AppDbContext _dbContext;

    public GetAlarmLogQueryHandler(
        ILogger<GetAlarmLogQueryHandler> logger,
        AppDbContext dbContext)
    {
        _logger = logger;
        _dbContext = dbContext;
    }

    public async Task Consume(ConsumeContext<GetAlarmLogQuery> context)
    {
        var query = context.Message;

        try
        {
            var entity = await _dbContext.Set<AlarmLog>()
                .AsNoTracking()
                .FirstOrDefaultAsync(x => x.AlarmLogId == query.AlarmLogId, context.CancellationToken);

            if (entity == null)
            {
                await context.RespondAsync(ApiResponse<AlarmLogDto>.Failed("报警不存在", 404));
                return;
            }

            await context.RespondAsync(ApiResponse<AlarmLogDto>.Successful(entity.ToDetailDto()));
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "查询报警日志详情失败: {AlarmLogId}", query.AlarmLogId);
            await context.RespondAsync(ApiResponse<AlarmLogDto>.Failed($"查询报警详情失败: {ex.Message}", 500));
        }
    }
}