public async Task <ResultReturn <DTO_UserSession> > CreateGroupSession(
[FromServices] HubCallerContext callContext,
[FromServices] IHubContext <ChatHub> hubContext,
[FromServices] IMemoryCache cache,
[FromServices] SessionService session,
string[] toUserIds)
{
var sessionId = await session.CreateGroupSession(CurrentUserId, toUserIds);
var sessionInfo = await session.GetSessionInfoById(sessionId);
await hubContext.Groups.AddToGroupAsync(callContext.ConnectionId, sessionId.ToStringEx());
foreach (var userId in toUserIds)
{
if (cache.TryGetValue(userId, out var tmp))
{
await hubContext.Groups.AddToGroupAsync(tmp.ToStringEx(), sessionId.ToStringEx());
}
}
return(new SuccessResultReturn <DTO_UserSession>(sessionInfo));
}