Move GPUs admin index to Blazor.

Marechai/Services/GpusService.cs

@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Marechai.Database.Models;
+using Marechai.ViewModels;
+using Microsoft.EntityFrameworkCore;
+
+namespace Marechai.Services
+{
+    public class GpusService
+    {
+        readonly MarechaiContext _context;
+
+        public GpusService(MarechaiContext context) => _context = context;
+
+        public async Task<List<GpuViewModel>> GetAsync() => await _context.Gpus.Include(g => g.Company).OrderBy(g => g.Company.Name).ThenBy(g => g.Name).
+                                                                           ThenBy(g => g.Introduced).Select(g => new GpuViewModel
+                                                                           {
+                                                                               Id         = g.Id, Company = g.Company.Name,
+                                                                               Introduced = g.Introduced,
+                                                                               ModelCode  = g.ModelCode, Name = g.Name
+                                                                           }).ToListAsync();
+    }
+}