/// <summary>
/// Fires on connection with the hub
/// </summary>
public override Task OnConnected()
{
using(var ctx = new TurkRContext())
{
var client = ctx.Clients.FirstOrDefault(c => c.ConnectionId == Context.ConnectionId);
if(client == null)
{
// Collect client info
var httpContext = Context.Request.GetHttpContext();
string ip = httpContext.Request.ServerVariables["REMOTE_ADDR"];
string browser = httpContext.Request.Browser.Browser + " " + httpContext.Request.Browser.Version;
var transport = Context.QueryString["transport"];
var page = Context.QueryString["page"];
var hubClient = Context.QueryString["client"];
bool isMonitor = false;
if(!string.IsNullOrEmpty(hubClient))
{
if (hubClient == "monitor") isMonitor = true;
}
if(isMonitor)
{
Groups.Add(Context.ConnectionId, "monitor");
}
else
{
Groups.Add(Context.ConnectionId, "client");
}
var newClient = new Client
{
ConnectionId = Context.ConnectionId,
IsConnected = true,
IsMonitor = isMonitor,
Ip = ip,
Transport = transport,
UserAgent = browser,
StartDate = DateTime.Now,
EndDate = DateTime.Now
};
ctx.Clients.Add(newClient);
ctx.SaveChanges();
}
else
{
client.IsConnected = true;
client.StartDate = DateTime.Now;
ctx.SaveChanges();
}
}
HubUpdate();
return base.OnConnected();
}
/// <summary>
/// Signup of worker to a session
/// </summary>
/// <param name="sessionId"></param>
/// <param name="workerId"></param>
private void Signup(int sessionId, string workerId)
{
using(var ctx = new TurkRContext())
{
var session = ctx.Sessions.FirstOrDefault(s => s.SessionId == sessionId);
if(session != null)
{
var worker = ctx.Workers.FirstOrDefault(w => w.WorkerId == workerId);
if(worker != null)
{
var a = new Appointment { SessionId = session.SessionId, WorkerId = worker.WorkerId };
ctx.Appointments.Add(a);
ctx.SaveChanges();
}
}
}
}
/// <summary>
/// Signout of a worker from a session
/// </summary>
/// <param name="sessionId"></param>
/// <param name="workerId"></param>
private void Signout(int sessionId, string workerId)
{
using (var ctx = new TurkRContext())
{
var appointment = ctx.Appointments.FirstOrDefault(a => a.SessionId == sessionId & a.WorkerId == workerId);
if(appointment != null)
{
ctx.Appointments.Remove(appointment);
ctx.SaveChanges();
}
}
}
/// <summary>
/// Create a HIT from a stored template.
/// </summary>
/// <param name="hitId">The Hit Id</param>
public void CreateHit(int hitId)
{
using (var ctx = new TurkRContext())
{
var hit = ctx.Hits.FirstOrDefault(h => h.HitId == hitId);
if (hit != null)
{
SimpleClient myClient = new SimpleClient(_mturkConfig);
// Setup qualifications
List<QualificationRequirement> qualifications = new List<QualificationRequirement>();
// First register the HitType
string hitTypeId = myClient.RegisterHITType(hit.Title, hit.Description, (long)hit.AutoApprovalDelay, (long)hit.Duration, (decimal)hit.Reward, hit.Keywords, qualifications);
// Define the external question
ExternalQuestion eq = new ExternalQuestion();
eq.ExternalURL = "https://www.descil.ethz.ch/apps/turkr/start/" + hit.HitCode;
eq.FrameHeight = "800";
// More definitions
string requesterAnnotation = hit.HitCode;
string[] responseGroup = null;
// Creat the HIT
var amtHit = myClient.CreateHIT(hitTypeId, hit.Title, hit.Description, hit.Keywords, eq, (decimal)hit.Reward, (long)hit.Duration, (long)hit.AutoApprovalDelay, (long)hit.Lifetime, hit.Assignments, requesterAnnotation, qualifications, responseGroup);
hit.AmtHitId = amtHit.HITId;
hit.CreationTime = DateTime.UtcNow;
ctx.SaveChanges();
}
}
}
/// <summary>
/// Fires on reconnection with the hub
/// </summary>
public override Task OnReconnected()
{
using (var ctx = new TurkRContext())
{
var client = ctx.Clients.FirstOrDefault(c => c.ConnectionId == Context.ConnectionId);
if (client != null)
{
client.StartDate = DateTime.Now;
client.IsConnected = true;
ctx.SaveChanges();
}
}
HubUpdate();
return base.OnReconnected();
}
/// <summary>
/// Fires on disconnection with the hub
/// </summary>
public override Task OnDisconnected()
{
using (var ctx = new TurkRContext())
{
var client = ctx.Clients.FirstOrDefault(c => c.ConnectionId == Context.ConnectionId);
if (client != null)
{
if(client.IsMonitor)
{
//client.EndDate = DateTime.Now;
//client.IsConnected = false;
ctx.Clients.Remove(client);
ctx.SaveChanges();
}
else
{
//client.EndDate = DateTime.Now;
//client.IsConnected = false;
ctx.Clients.Remove(client);
ctx.SaveChanges();
}
}
}
HubUpdate();
return base.OnDisconnected();
}