添加项目文件。

system/Tnb.Systems/System/OnlineUserService.cs

@@ -0,0 +1,148 @@
+using JNPF.Common.Const;
+using JNPF.Common.Core.Manager;
+using JNPF.Common.Extension;
+using JNPF.Common.Filter;
+using JNPF.Common.Manager;
+using JNPF.Common.Models.User;
+using JNPF.DependencyInjection;
+using JNPF.DynamicApiController;
+using JNPF.Message.Entitys.Dto.IM;
+using JNPF.Message.Interfaces;
+using JNPF.Systems.Entitys.Dto.OnlineUser;
+using Mapster;
+using Microsoft.AspNetCore.Mvc;
+
+namespace JNPF.Systems;
+
+/// <summary>
+///  业务实现：在线用户.
+/// </summary>
+[ApiDescriptionSettings(Tag = "System", Name = "OnlineUser", Order = 176)]
+[Route("api/system/[controller]")]
+public class OnlineUserService : IDynamicApiController, ITransient
+{
+    /// <summary>
+    /// IM回应服务.
+    /// </summary>
+    private readonly IImReplyService _imReplyService;
+
+    /// <summary>
+    /// 缓存管理器.
+    /// </summary>
+    private readonly ICacheManager _cacheManager;
+
+    /// <summary>
+    /// 用户管理.
+    /// </summary>
+    private readonly IUserManager _userManager;
+
+    /// <summary>
+    /// 初始化一个<see cref="OnlineUserService"/>类型的新实例.
+    /// </summary>
+    public OnlineUserService(
+        IImReplyService imReplyService,
+        ICacheManager cacheManager,
+        IUserManager userManager)
+    {
+        _imReplyService = imReplyService;
+        _cacheManager = cacheManager;
+        _userManager = userManager;
+    }
+
+    /// <summary>
+    /// 获取在线用户列表.
+    /// </summary>
+    /// <param name="input">参数.</param>
+    /// <returns></returns>
+    [HttpGet("")]
+    public async Task<dynamic> GetList([FromQuery] KeywordInput input)
+    {
+        var tenantId = _userManager.TenantId;
+        var userOnlineList = new List<UserOnlineModel>();
+        var onlineKey = string.Format("{0}{1}", CommonConst.CACHEKEYONLINEUSER, tenantId);
+        if (_cacheManager.Exists(onlineKey))
+        {
+            userOnlineList = await GetOnlineUserList(tenantId);
+            if (!input.keyword.IsNullOrEmpty())
+                userOnlineList = userOnlineList.FindAll(x => x.userName.Contains(input.keyword));
+        }
+
+        return userOnlineList.Adapt<List<OnlineUserListOutput>>();
+    }
+
+    /// <summary>
+    /// 强制下线.
+    /// </summary>
+    /// <param name="id"></param>
+    [HttpDelete("{id}")]
+    public async Task ForcedOffline(string id)
+    {
+        var tenantId = _userManager.TenantId;
+        var list = await GetOnlineUserList(tenantId);
+        var user = list.Find(it => it.tenantId == tenantId && it.userId == id);
+        if (user != null)
+        {
+            _imReplyService.ForcedOffline(user.connectionId);
+            await DelOnlineUser(tenantId, user.userId);
+            await DelUserInfo(tenantId, user.userId);
+        }
+    }
+
+    /// <summary>
+    /// 批量下线在线用户.
+    /// </summary>
+    /// <param name="id"></param>
+    /// <param name="input">下线用户信息.</param>
+    [HttpDelete("")]
+    public async Task Clear(string id, [FromBody] BatchOnlineInput input)
+    {
+        var tenantId = _userManager.TenantId;
+        var list = await GetOnlineUserList(tenantId);
+        var userList = list.FindAll(it => it.tenantId == tenantId && input.ids.Contains(it.userId));
+        userList.ForEach(async item =>
+        {
+            _imReplyService.ForcedOffline(item.connectionId);
+            await DelOnlineUser(tenantId, item.userId);
+            await DelUserInfo(tenantId, item.userId);
+        });
+
+    }
+
+    /// <summary>
+    /// 获取在线用户列表.
+    /// </summary>
+    /// <param name="tenantId">租户ID.</param>
+    /// <returns></returns>
+    public async Task<List<UserOnlineModel>> GetOnlineUserList(string tenantId)
+    {
+        var cacheKey = string.Format("{0}{1}", CommonConst.CACHEKEYONLINEUSER, tenantId);
+        return await _cacheManager.GetAsync<List<UserOnlineModel>>(cacheKey);
+    }
+
+    /// <summary>
+    /// 删除在线用户ID.
+    /// </summary>
+    /// <param name="tenantId">租户ID.</param>
+    /// <param name="userId">用户ID.</param>
+    /// <returns></returns>
+    public async Task<bool> DelOnlineUser(string tenantId, string userId)
+    {
+        var cacheKey = string.Format("{0}{1}", CommonConst.CACHEKEYONLINEUSER, tenantId);
+        var list = await _cacheManager.GetAsync<List<UserOnlineModel>>(cacheKey);
+        var online = list.Find(it => it.userId == userId);
+        list.RemoveAll((x) => x.connectionId == online.connectionId);
+        return await _cacheManager.SetAsync(cacheKey, list);
+    }
+
+    /// <summary>
+    /// 删除用户登录信息缓存.
+    /// </summary>
+    /// <param name="tenantId">租户ID.</param>
+    /// <param name="userId">用户ID.</param>
+    /// <returns></returns>
+    public async Task<bool> DelUserInfo(string tenantId, string userId)
+    {
+        var cacheKey = string.Format("{0}{1}_{2}", CommonConst.CACHEKEYUSER, tenantId, userId);
+        return await _cacheManager.DelAsync(cacheKey);
+    }
+}