6c110b579a
- 从文件模块的多部分上传处理器中移除未使用的实体引用 - 从即时通讯模块的群组成员处理器中移除未使用的实体引用 - 从RAG模块的AI模型配置中移除未使用的实体引用 - 从监控模块的告警规则配置中移除未使用的实体引用 - 从平台模块的角色权限处理器中移除未使用的实体引用 - 从脚本模块的执行日志实体引用中进行清理 - 从多个基础设施配置类中移除未使用的依赖项 - 优化测试文件中的导入声明，移除不必要的引用
48 lines
1.9 KiB
C#
48 lines
1.9 KiB
C#
using MediatR;
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using BuildFlow.Shared.Domain.Exceptions;
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using IM.Application.Chat.Commands;
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using IM.Domain.Entities.ConversationParticipant;
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using IM.Domain.Entities.GroupMember;
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using IM.Domain.Enums;
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using IM.Infrastructure.Persistence;
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namespace IM.Application.Chat.Handlers;
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/// <summary>
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/// 批量添加群成员处理器。校验操作者权限与目标用户存在性后入群，更新群成员数。
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/// </summary>
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public class AddGroupMemberCommandHandler(ImDbContext db) : IRequestHandler<AddGroupMemberCommand, Unit>
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{
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public async Task<Unit> Handle(AddGroupMemberCommand request, CancellationToken ct)
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{
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var group = await db.Groups
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.Include(g => g.Members)
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.FirstOrDefaultAsync(g => g.Id == request.GroupId, ct)
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?? throw new NotFoundException("群组不存在");
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// 权限：仅群主或管理员可拉人，普通 Member 越权操作直接拒绝
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var operatorMember = group.Members.FirstOrDefault(m => m.UserId == request.OperatorId);
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if (operatorMember is null || operatorMember.Role == GroupMemberRoleEnum.Member)
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throw new BusinessException("只有群主或管理员才能添加成员");
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foreach (var userId in request.UserIds.Where(userId => group.Members.All(m => m.UserId != userId)))
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{
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db.GroupMembers.Add(new GroupMemberEntity
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{
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GroupId = request.GroupId, UserId = userId,
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Role = GroupMemberRoleEnum.Member, JoinedAt = DateTime.UtcNow
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});
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// 同步加入会话参与者，使其能收到该群后续消息
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db.ConversationParticipants.Add(new ConversationParticipantEntity
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{
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ConversationId = group.ConversationId, UserId = userId,
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JoinedAt = DateTime.UtcNow
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});
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}
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await db.SaveChangesAsync(ct);
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return Unit.Value;
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}
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}
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