public override async Task OnConnectedAsync()
{
var mlUser = JsonHelper.JsonToT <ModelLoginUser>(HttpContextCore.GetCookie(ComConst.UserLogin));
if (mlUser != null && mlUser.Staff != null)
{
var schoolId = mlUser.School.ID;
var staffId = mlUser.Staff.ID;
string cnnId = Context.ConnectionId;
//在线用户，以学校为单位
var mcu = new ModelChatUser
{
CnnId = cnnId,
MLUser = mlUser
};
var schoolMcUsers = SchoolOnLineUsersDic.GetValueOrDefault(schoolId);
if (schoolMcUsers == null)
{
schoolMcUsers = new List <ModelChatUser>();
}
schoolMcUsers.Add(mcu);
SchoolOnLineUsersDic.AddOrUpdate(schoolId, schoolMcUsers, (key, value) => schoolMcUsers);
await Clients.All.SendAsync("chatUserChange", GetOnlineData(schoolId));//更新客户端在线状态
//客户端以学校分组
await Groups.AddToGroupAsync(cnnId, "schoolGroup" + schoolId);
//发送离线消息
HandleOfflineMsg(schoolId, staffId, cnnId);
}
await base.OnConnectedAsync();
}
public override async Task OnDisconnectedAsync(Exception ex)
{
var mlUser = JsonHelper.JsonToT <ModelLoginUser>(HttpContextCore.GetCookie(ComConst.UserLogin));
var schoolId = mlUser.School.ID;
string cnnId = Context.ConnectionId;
//在线用户，以学校为单位
var schoolMcUsers = SchoolOnLineUsersDic.GetValueOrDefault(schoolId);
if (schoolMcUsers != null)
{
var mcu = schoolMcUsers.Find(x => x.CnnId == cnnId);
schoolMcUsers.Remove(mcu);
if (schoolMcUsers.Count == 0)
{
SchoolOnLineUsersDic.TryRemove(schoolId, out schoolMcUsers);
await Groups.RemoveFromGroupAsync(cnnId, "schoolGroup" + schoolId);//清理学校组
}
else
{
SchoolOnLineUsersDic.AddOrUpdate(schoolId, schoolMcUsers, (key, value) => schoolMcUsers);
}
await Clients.All.SendAsync("chatUserChange", GetOnlineData(schoolId));//更新客户端在线状态
}
await base.OnDisconnectedAsync(ex);
}
//客户端查看是否有某用户消息
public async Task CheckUserMsg()
{
var mlUser = JsonHelper.JsonToT <ModelLoginUser>(HttpContextCore.GetCookie(ComConst.UserLogin));
if (mlUser != null && mlUser.Staff != null)
{
var schoolId = mlUser.School.ID;
var staffId = mlUser.Staff.ID;
var schoolmsgQueue = SchoolMsgQueueDic.GetValueOrDefault(schoolId);
if (schoolmsgQueue != null && schoolmsgQueue.Count > 0)
{
var newMsgCount = 0;
foreach (var cObj in schoolmsgQueue)
{
if (!cObj.GotMsgStaffIds.Contains(staffId))//未收到
{
newMsgCount++;
}
}
if (newMsgCount > 0)
{
await Clients.Caller.SendAsync("haveNewMsg", newMsgCount);//调用客户端方法
}
}
}
}
public BaseService()
{
if (null == mlUser)
{
mlUser = JsonHelper.JsonToT <ModelLoginUser>(HttpContextCore.GetCookie(ComConst.UserLogin));
if (mlUser == null)
{
mlUser = JsonHelper.JsonToT <ModelLoginUser>(HttpContextCore.GetSession(ComConst.UserLogin));
if (mlUser != null)
{
HttpContextCore.SetSession(ComConst.UserLogin, JsonHelper.ToJson(mlUser));
}
}
}
mjRet = new ModelJsonRet
{
code = 0,
};
}