feat:开发

sunpengfei

2025-11-28 312ebed2d86858e4fb57ec09679244e9b806b57f

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using ApiTools.Core;
using Furion.DatabaseAccessor;
using Mapster;
using MediatR;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace ApiTools.UserServer.Application
{
    /// <summary>
    /// 保存渠道用户
    /// </summary>
    public class ChannelUserCommandHandler(
            IRepository<User> rep
        ) :
        IRequestHandler<SaveChannelUserCommand, Guid>
    {
        private readonly IRepository<User> rep = rep;
 
        /// <summary>
        /// 保存渠道用户
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<Guid> Handle(SaveChannelUserCommand request, CancellationToken cancellationToken)
        {
            var entity = await request.SaveData<User, SaveChannelUserCommand>(
                q =>
                {
                    return rep.AsQueryable()
                        .Where(it =>
                            it.Type == EnumUserType.Channel
                            && it.ChannelId == request.ChannelId);
                },
                it =>
                    it.Type == EnumUserType.Channel
                    && it.ChannelId == request.ChannelId
                    && it.UserName == request.UserName
                    && it.Id != request.Id,
                entity =>
                {
                    if (request.Id == null)
                    {
                        entity.Type = EnumUserType.Channel;
                    }
                    request.Adapt(entity);
                });
            return entity.Id;
        }
    }
}