OMS.NET/Instructs/GetPresenceInstruct.cs

using OMS.NET.DbClass;

namespace OMS.NET.Instructs
{
    public class GetPresenceInstruct : Instruct
    {
        public GetPresenceInstruct()
        {
            this.Type = "get_presence";
        }

        public override Task Handler(string wsid)
        {
            return Task.Run(() =>
            {
                if (GlobalArea.LoginCheckByID(wsid))
                {
                    //获取所有在线用户，移除重复
                    List<string?> emails = GlobalArea.UserConnects.Where(u => u.UserEmail != null)
                                            .Select(u => u.UserEmail).Distinct().ToList();
                    List<dynamic> allLoginUsers = new();
                    emails.ForEach(email =>
                    {
                        AccountData accountData = GlobalArea.GetLoginAccountData(email)!;
                        //由于是已登录用户，默认都能查询到值
                        allLoginUsers.Add(new
                        {
                            userEmail = accountData.UserEmail,
                            userQq = accountData.UserQQ,
                            userName = accountData.UserName,
                            headColor = accountData.HeadColor,
                        });
                    });
                    this.ResponseOrBroadcastInstructs.Add(new SendPresenceInstruct()
                    {
                        IsResponse = true,
                        Data = allLoginUsers,
                    });

                }
            });
        }
    }

    public class SendPresenceInstruct : Instruct
    {
        public SendPresenceInstruct()
        {
            this.Type = "send_presence";
        }
    }
}