88 lines
2.1 KiB
C#
88 lines
2.1 KiB
C#
/*
|
|
* Copyright (c) 2025 ETH Zürich, IT Services
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
using SafeExamBrowser.Logging.Contracts;
|
|
using SafeExamBrowser.Server.Contracts;
|
|
using SafeExamBrowser.Server.Contracts.Events;
|
|
using SafeExamBrowser.Settings.Server;
|
|
|
|
namespace SafeExamBrowser.Server
|
|
{
|
|
public class Invigilator : IInvigilator
|
|
{
|
|
private readonly ILogger logger;
|
|
private readonly IServerProxy server;
|
|
|
|
private InvigilationSettings settings;
|
|
|
|
public bool IsHandRaised { get; private set; }
|
|
|
|
public event InvigilationEventHandler HandLowered;
|
|
public event InvigilationEventHandler HandRaised;
|
|
|
|
public Invigilator(ILogger logger, IServerProxy server)
|
|
{
|
|
this.logger = logger;
|
|
this.server = server;
|
|
}
|
|
|
|
public void Initialize(InvigilationSettings settings)
|
|
{
|
|
var raiseHand = $"Raise hand {(settings.ShowRaiseHandNotification ? "enabled" : "disabled")}";
|
|
var message = $"message {(settings.ForceRaiseHandMessage ? "required" : "disabled")}";
|
|
|
|
this.settings = settings;
|
|
server.HandConfirmed += Server_HandConfirmed;
|
|
|
|
logger.Info($"Initialized functionality: {raiseHand}, {message}.");
|
|
}
|
|
|
|
public void LowerHand()
|
|
{
|
|
var response = server.LowerHand();
|
|
|
|
if (response.Success)
|
|
{
|
|
IsHandRaised = false;
|
|
HandLowered?.Invoke();
|
|
|
|
logger.Info("Hand lowered.");
|
|
}
|
|
else
|
|
{
|
|
logger.Error($"Failed to send lower hand notification to server! Message: {response.Message}.");
|
|
}
|
|
}
|
|
|
|
public void RaiseHand(string message = null)
|
|
{
|
|
var response = server.RaiseHand(message);
|
|
|
|
if (response.Success)
|
|
{
|
|
IsHandRaised = true;
|
|
HandRaised?.Invoke();
|
|
|
|
logger.Info("Hand raised.");
|
|
}
|
|
else
|
|
{
|
|
logger.Error($"Failed to send raise hand notification to server! Message: {response.Message}.");
|
|
}
|
|
}
|
|
|
|
private void Server_HandConfirmed()
|
|
{
|
|
logger.Info("Hand confirmation received.");
|
|
|
|
IsHandRaised = false;
|
|
HandLowered?.Invoke();
|
|
}
|
|
}
|
|
}
|