public void ConnectAgent()
{
var userName = HttpContext.Current.User.Identity.Name;
var fullName = getFullName();
var agent = Agents.SingleOrDefault(x => x.Key == userName);
if (agent.Key == null)
{
var newAgent = new User
{
ConnectionID = Context.ConnectionId,
UserName = userName,
FullName = fullName,
};
Agents.TryAdd(userName, newAgent);
}
//this happens if the agent opens a new tab of the support page without closing the other
//remove all sessions with previous connection id, and update the Agents dict
else
{
RemoveAgentSession(Agents[userName].ConnectionID, false);
Agents[userName].ConnectionID = Context.ConnectionId;
}
}
public void StartChat()
{
//Let the user know if no agent is online
if (Agents == null || Agents.Count == 0)
{
Clients.Caller.addMessage(FROM_ADMIN, NO_AGENT);
return;
}
//get the agent with the fewest chat sessionss
var inSessions = Agents.Select(session => new
{
AgentUserName = session.Value.UserName,
SessionCount = ChatSessions.Count(x => x.Value == session.Value)
}).OrderBy(x => x.SessionCount);
if (inSessions != null)
{
var leastBusy = Agents.SingleOrDefault(x => x.Key == inSessions.FirstOrDefault().AgentUserName);
var agent = leastBusy.Value;
var visitor = new User
{
ConnectionID = Context.ConnectionId,
UserName = HttpContext.Current.User.Identity.Name,
FullName = getFullName(),
};
ChatSessions.TryAdd(visitor, agent);
//Notify the agent about the new chat request
Clients.Client(agent.ConnectionID).newChat(visitor.ConnectionID, visitor.FullName);
var agentMessage = string.Format("You are now chatting with {0}", visitor.FullName);
var visitorMessage = string.Format("You are now chatting with {0}", agent.FullName);
Clients.Client(agent.ConnectionID).addMessage(FROM_ADMIN, agentMessage, Context.ConnectionId);
Clients.Caller.addMessage(FROM_ADMIN, visitorMessage);
}
}