Aaru.Server/Aaru.Server/Areas/Admin/Controllers/UsbVendorsController.cs

using System.Linq;
using System.Threading.Tasks;
using Aaru.Server.Models;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;

namespace Aaru.Server.Areas.Admin.Controllers
{
    [Area("Admin"), Authorize]
    public sealed class UsbVendorsController : Controller
    {
        readonly AaruServerContext _context;

        public UsbVendorsController(AaruServerContext context) => _context = context;

        // GET: Admin/UsbVendors
        public async Task<IActionResult> Index() =>
            View(await _context.UsbVendors.OrderBy(v => v.Vendor).ThenBy(v => v.VendorId).ToListAsync());

        // GET: Admin/UsbVendors/Details/5
        public async Task<IActionResult> Details(int? id)
        {
            if(id == null)
            {
                return NotFound();
            }

            UsbVendor usbVendor = await _context.UsbVendors.FirstOrDefaultAsync(m => m.Id == id);

            if(usbVendor == null)
            {
                return NotFound();
            }

            return View(new UsbVendorModel
            {
                Vendor   = usbVendor.Vendor,
                VendorId = usbVendor.VendorId,
                Products = _context.UsbProducts.Where(p => p.VendorId == usbVendor.Id).OrderBy(p => p.Product).
                                    ThenBy(p => p.ProductId).Select(p => new UsbProductModel
                                    {
                                        ProductId   = p.ProductId,
                                        ProductName = p.Product
                                    }).ToList()
            });
        }
    }
}