FakePieShop/FakePieShop/Controllers/PieController.cs

using FakePieShop.Models;
using FakePieShop.Models.ViewModels;
using Microsoft.AspNetCore.Mvc;

namespace FakePieShop.Controllers
{
    public class PieController : Controller
    {
        private readonly IPieRepository _pieRepository;
        private readonly ICategoryRepository _categoryRepository;

        public PieController(IPieRepository pieRepository, ICategoryRepository categoryRepository)
        {
            _pieRepository = pieRepository;
            _categoryRepository = categoryRepository;
        }

        public IActionResult List()
        {
            PieListViewModel pieListViewModel = new PieListViewModel(_pieRepository.AllPies, "Cheese cakes");
            return View(pieListViewModel);
        }

        public IActionResult Details(int id)
        {
            var pie = _pieRepository.GetPieById(id);

            if (pie == null)
                return NotFound();

            return View(pie);
        }
    }
}