Dependency Injection and Basic Terminology

BasicTerminology.cs

// Startup.cs
public class Startup
{
    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddSingleton<ICustomLogger, CustomLogger>();
        services.AddScoped<IRepository, Repository>();
        services.AddControllersWithViews();
    }
}

// HomeController.cs
public class HomeController : Controller
{
    private readonly ICustomLogger _logger;
    private readonly IRepository _repository;

    public HomeController(ICustomLogger logger, IRepository repository)
    {
        _logger = logger;
        _repository = repository;
    }

    public IActionResult Index()
    {
        // Load data from repository
        ViewData["DataCollection"] = repository.GetData(); 
        _logger.Log("data retrieved successfully");
        return View();
    }
}