public string FindConnectionIdOnUsername(string username)
{
HubConnectionMap hbc = db.HubConnectionMap.Where(hc => hc.UserName == username)
.FirstOrDefault();
return(hbc?.ConnectionId);
}
public void AddOrUpdateHubConnection(HubConnectionMap hubConnectionMap)
{
HubConnectionMap hcp = db.HubConnectionMap.Where(hc => hc.UserName == hubConnectionMap.UserName)
.FirstOrDefault();
if (hcp == null)
{
db.HubConnectionMap.Add(hubConnectionMap);
}
else
{
hcp.ConnectionId = hubConnectionMap.ConnectionId;
db.Entry(hcp).State = EntityState.Modified;
}
db.SaveChanges();
}
