LogoutUserHandler

src/api/NetworkResurrector.Api.Application/CommandHandlers/LogoutUserHandler.cs

@@ -0,0 +1,63 @@
+using MediatR;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using NetworkResurrector.Agent.PublishedLanguage.Dto;
+using NetworkResurrector.Agent.Wrapper.Services;
+using NetworkResurrector.Api.Domain.Constants;
+using NetworkResurrector.Api.Domain.Repositories;
+using NetworkResurrector.Api.PublishedLanguage.Commands;
+using NetworkResurrector.Api.PublishedLanguage.Events;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace NetworkResurrector.Api.Application.CommandHandlers
+{
+    public class LogoutUserHandler : IRequestHandler<LogoutUser, UserLoggedOut>
+    {
+        private readonly ILogger<LogoutUserHandler> _logger;
+        private readonly INetworkRepository _repository;
+        private readonly IResurrectorAgentService _resurrectorAgentService;
+        private readonly IConfiguration _configuration;
+
+        public LogoutUserHandler(ILogger<LogoutUserHandler> logger, INetworkRepository repository, IResurrectorAgentService resurrectorAgentService, IConfiguration configuration)
+        {
+            _logger=logger;
+            _repository=repository;
+            _resurrectorAgentService=resurrectorAgentService;
+            _configuration=configuration;
+        }
+
+        public async Task<UserLoggedOut> Handle(LogoutUser command, CancellationToken cancellationToken)
+        {
+            _logger.LogDebug($"Start logging out the user connected on machine {command.MachineId}");
+            var machine = await _repository.GetMachine(command.MachineId);
+            var powerConfiguration = await _repository.GetPowerActionConfiguration(command.MachineId, PowerActions.LOGOUT);
+
+            //log activity
+
+            var ipAddressOrMachineName = machine.IPv4Address ?? machine.MachineName;
+            UserLoggedOut result;
+
+            switch (powerConfiguration.Performer.PerformerCode)
+            {
+                case PowerActionPerformers.NETWORK_RESURRECTOR_AGENT:
+                    if (machine.Agent == null)
+                        throw new Exception($"Cannot use network resurrector agent as logout performer for machine '{ipAddressOrMachineName}' because it is not configured.");
+
+                    var owner = new ActionOwner(_configuration.GetValue<string>("Service:Code"));
+                    var LogoutResultByAgent = await _resurrectorAgentService.Logout(ipAddressOrMachineName, machine.Agent.AgentPort, owner);
+                    var status = LogoutResultByAgent.Success ? $"The user from machine '{ipAddressOrMachineName}' was successfully logged out." : $"The user from machine '{ipAddressOrMachineName}' could not be logged out.";
+                    result = new UserLoggedOut(LogoutResultByAgent.Success, status);
+                    break;
+
+                default:
+                    throw new Exception($"Power action performer {powerConfiguration.Performer.PerformerCode} is not implemented.");
+            }
+
+            _logger.LogDebug($"Logging out the user from machine {command.MachineId} finished. Success: {result.Success}; Status: {result.Status}");
+
+            return result;
+        }
+    }
+}

src/api/NetworkResurrector.Api.PublishedLanguage/Commands/LogoutUser.cs

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+using NDB.Application.DataContracts;
+using NetworkResurrector.Api.PublishedLanguage.Events;
+
+namespace NetworkResurrector.Api.PublishedLanguage.Commands
+{
+    public class LogoutUser : Command<UserLoggedOut>
+    {
+        public int MachineId { get; set; }
+    }
+}

src/api/NetworkResurrector.Api.PublishedLanguage/Events/UserLoggedOut.cs

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+namespace NetworkResurrector.Api.PublishedLanguage.Events
+{
+    public record UserLoggedOut(bool Success, string Status);
+}