fix: deleted startup, usage comes from extension file with various im…

…plementations

Equinor.SubSurfAppManagementMonitoringNuGet/Controllers/HealthController.cs

@@ -1,10 +1,8 @@
 using Asp.Versioning;
-using Equinor.SubSurfAppManagementMonitoringNuGet.Config;
 using Equinor.SubSurfAppManagementMonitoringNuGet.Models;
 using Equinor.SubSurfAppManagementMonitoringNuGet.Services;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Options;
 
 namespace Equinor.SubSurfAppManagementMonitoringNuGet.Controllers;
 
@@ -20,12 +18,13 @@ public class HealthController : ControllerBase
 {
     private readonly IHealthCheckerService _healthCheckerService;
 
-    private readonly ApplicationConfig _applicationConfig;
+    private readonly HealthControllerOptions _options;
 
-    public HealthController(IHealthCheckerService healthCheckerService, IOptions<ApplicationConfig> applicationConfig)
+
+    public HealthController(IHealthCheckerService healthCheckerService, HealthControllerOptions options)
     {
         _healthCheckerService = healthCheckerService;
-        _applicationConfig = applicationConfig.Value;
+        _options = options;
     }
 
     /// <summary>
@@ -35,7 +34,7 @@ public HealthController(IHealthCheckerService healthCheckerService, IOptions<App
     [HttpGet]
     public async Task<ApplicationHealth> Get() 
     {
-        var applicationHealth = await _healthCheckerService.CheckHealthAsync(_applicationConfig.AppName);
+        var applicationHealth = await _healthCheckerService.CheckHealthAsync(_options.AppName);
 
         return applicationHealth;
     }

Equinor.SubSurfAppManagementMonitoringNuGet/Controllers/HealthControllerOptions.cs

@@ -0,0 +1,12 @@
+namespace Equinor.SubSurfAppManagementMonitoringNuGet.Controllers;
+
+/// <summary>
+/// Represents options that can be passed to the health controller.
+/// </summary>
+public class HealthControllerOptions
+{
+    /// <summary>
+    /// A custom parameter to configure the health controller.
+    /// </summary>
+    public string AppName { get; set; } = string.Empty;
+}

Equinor.SubSurfAppManagementMonitoringNuGet/Extensions/HealthCheckerServiceCollectionExtensions.cs

@@ -1,18 +1,58 @@
+using Equinor.SubSurfAppManagementMonitoringNuGet.Controllers;
 using Equinor.SubSurfAppManagementMonitoringNuGet.Helpers;
+using Equinor.SubSurfAppManagementMonitoringNuGet.Models;
 using Equinor.SubSurfAppManagementMonitoringNuGet.Services;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Equinor.SubSurfAppManagementMonitoringNuGet.Extensions;
 
 public static class HealthCheckerServiceCollectionExtensions
 {
+    /// <summary>
+    /// Adds health checks and a health controller to the application, while configuring a custom health checker service.
+    /// </summary>
+    /// <typeparam name="T">The type of the custom health checker service that implements <see cref="IHealthCheckerService"/>.</typeparam>
+    /// <param name="services">The service collection to add the health services to.</param>
+    /// <param name="configuration">The application configuration used to configure the health services.</param>
+    /// <returns>An <see cref="IHealthChecksBuilder"/> to further configure health checks.</returns>
+    /// <exception cref="ArgumentException">Thrown if <typeparamref name="T"/> does not implement <see cref="IHealthCheckerService"/>.</exception>
+    public static IHealthChecksBuilder AddCustomHealthController<T>(this IServiceCollection services, IConfiguration configuration)
+        where T : class, IHealthCheckerService
+    {
+        services.AddMvc().AddApplicationPart(typeof(HealthController).Assembly);
+        var healthChecksBuilder = services.ConfigureHealthServices<T>(configuration);
+        return healthChecksBuilder;
+    }
+
     /// <summary>
     /// Adds the default health checker service and integrates it with the health check builder.
     /// </summary>
     /// <param name="services">The service collection.</param>
-    public static IHealthChecksBuilder AddDefaultHealthChecker(this IServiceCollection services)
+    /// <param name="configuration"></param>
+    /// <param name="applicationName">The name of your application, will show up as the applicationName in the <see cref="ApplicationHealth"/> response</param>
+    public static IHealthChecksBuilder AddDefaultHealthController(this IServiceCollection services, IConfiguration configuration, string applicationName)
+    {
+        services.AddSingleton<IEnvironment, EnvironmentWrapper>();
+        services.AddSingleton(new HealthControllerOptions { AppName = applicationName });
+        services.AddMvc().AddApplicationPart(typeof(HealthController).Assembly);
+        var healthChecksBuilder = services.ConfigureHealthServices<DefaultHealthCheckerService>(configuration);
+        return healthChecksBuilder;
+    }
+
+    /// <summary>
+    /// Configures health-related services, including a custom health checker service and the health controller.
+    /// </summary>
+    /// <typeparam name="T">The type of the custom health checker service that implements <see cref="IHealthCheckerService"/>.</typeparam>
+    /// <param name="services">The service collection to configure.</param>
+    /// <param name="configuration">The application configuration used to configure the health services.</param>
+    public static IHealthChecksBuilder ConfigureHealthServices<T>(this IServiceCollection services, IConfiguration configuration) 
+        where T : class, IHealthCheckerService
     {
+        services.AddTransient<IHealthCheckerService, T>();
         var healthChecksBuilder = services.AddHealthChecks();
         return healthChecksBuilder;
     }
+
+
 }