explorer14

public interface IBreadSizeService
    {
        Task<int> BreadSizeRequiredForPizzaSize(
            int pizzaDiameterInCm);
    }

explorer14

class Program
    {
        static void Main(string[] args)
        {
            Log.Logger = new LoggerConfiguration().WriteTo.Console().CreateLogger();
            var useCase = new CreatePizzaRecipe(
                new BreadSizeService(), 
                new CheeseQuantityService(), 
                new TomatoQuantityService());

explorer14

public class CreatePizzaRecipe
    {
        private readonly IBreadSizeService breadSizeService;
        private readonly ICheeseQuantityService cheeseQuantityService;
        private readonly ITomatoQuantityService tomatoQuantityService;

        public CreatePizzaRecipe(IBreadSizeService breadSizeService,
            ICheeseQuantityService cheeseQuantityService,
            ITomatoQuantityService tomatoQuantityService)
        {

explorer14

public class BreadSizeService
        : IBreadSizeService
    {
        public async Task<int> BreadSizeRequiredForPizzaSize(
            int pizzaDiameterInCm)
        {
            Log.Logger.Information("Retrieving bread size for {size} cm pizza...", 
                pizzaDiameterInCm);
            return await Task.FromResult(3);
        }

explorer14

public void ConfigureServices(IServiceCollection services)
{
    //...

    services.AddMvc(options =>
    {
        options.Filters.Add(
		new ControllerActionProfilingFilter());
    });
}

explorer14

public class ControllerActionProfilingFilter : IActionFilter
{
    private Stopwatch stopwatch;

    public void OnActionExecuted(ActionExecutedContext context)
    {
        stopwatch.Stop();
        Log.Logger.Information(
		$"Action {context.ActionDescriptor.DisplayName} " +
        $"executed in {stopwatch.Elapsed.ToString()} " +

explorer14

public void ConfigureServices(IServiceCollection services)
{
        services.AddLibServices(
		Configuration.GetValue("EnableLibraryProfiling", true));

	//...other dependencies
}

explorer14

internal static class ServiceCollectionExtensions
{
    internal static IServiceCollection AddLibServices(
		this IServiceCollection services, bool enableProfiling)
    {
        if (enableProfiling)
        {
            services.AddScoped(serviceProvider =>
            {
                var proxy = ProfilingProxy.CreateProxy(

explorer14

{
  //...other configs
  "EnableLibraryProfiling": true
}

explorer14

public void ConfigureServices(IServiceCollection services)
{
        services.AddSingleton();
	services.AddScoped(serviceProvider =>
	{
		var proxy = ProfilingProxy.CreateProxy(
			new PeriodRepository(serviceProvider.GetService()),
			serviceProvider.GetService());

		return proxy;