Restore SEBPatch

SafeExamBrowser.Service/Operations/SessionActivationOperation.cs

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+/*
+ * Copyright (c) 2024 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.Core.Contracts.OperationModel;
+using SafeExamBrowser.Logging.Contracts;
+
+namespace SafeExamBrowser.Service.Operations
+{
+	internal class SessionActivationOperation : SessionOperation
+	{
+		private ILogger logger;
+
+		public SessionActivationOperation(ILogger logger, SessionContext sessionContext) : base(sessionContext)
+		{
+			this.logger = logger;
+		}
+
+		public override OperationResult Perform()
+		{
+			var success = Context.ServiceEvent.Set();
+
+			if (success)
+			{
+				logger.Info("Successfully informed runtime about new session activation.");
+			}
+			else
+			{
+				logger.Error("Failed to inform runtime about new session activation!");
+			}
+
+			Context.IsRunning = success;
+
+			return success ? OperationResult.Success : OperationResult.Failed;
+		}
+
+		public override OperationResult Revert()
+		{
+			return OperationResult.Success;
+		}
+	}
+}