Created Windows Service

FabApprovalWorkerService/Services/WindowsService.cs

@@ -0,0 +1,40 @@
+using FabApprovalWorkerService.Models;
+
+namespace FabApprovalWorkerService.Services;
+
+public class WindowsService : BackgroundService {
+    private readonly ILogger<WindowsService> _logger;
+    private readonly IMonInWorkerClient _monInClient;
+
+    public WindowsService(ILogger<WindowsService> logger,
+                          IServiceProvider serviceProvider) {
+        _logger = logger ??
+            throw new ArgumentNullException("ILogger not injected");
+        using (IServiceScope scope = serviceProvider.CreateScope()) {
+            _monInClient = scope.ServiceProvider.GetService<IMonInWorkerClient>() ??
+                throw new ArgumentNullException("IMonInWorkerClient not injected");
+        }
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken) {
+        _logger.LogInformation("Starting Windows service");
+
+        try {
+            while (!stoppingToken.IsCancellationRequested) {
+                await Task.Delay(TimeSpan.FromMinutes(5), stoppingToken);
+
+                _monInClient.PostStatus("WindowsService", StatusValue.Ok);
+            }
+        } catch (OperationCanceledException) {
+            _logger.LogError("The Windows service has been stopped");
+
+            _monInClient.PostStatus("WindowsService", StatusValue.Critical);
+        } catch (Exception ex) {
+            _logger.LogError($"An exception occurred when running Windows Service. Exception: {ex.Message}");
+
+            _monInClient.PostStatus("WindowsService", StatusValue.Critical);
+
+            Environment.Exit(1);
+        }
+    }
+}