Merge remote-tracking branch 'origin/master'

# Conflicts:
#	PhoneStore/Migrations/20220704164942_Init.Designer.cs
#	PhoneStore/Migrations/20220704164942_Init.cs
#	PhoneStore/Migrations/20220704165134_UserEntity.Designer.cs
#	PhoneStore/Migrations/MobileContextModelSnapshot.cs
#	PhoneStore/Models/User.cs
#	PhoneStore/appsettings.json

PhoneStore/Controllers/UsersController.cs

+using System.Linq;
+using Microsoft.AspNetCore.Mvc;
+using PhoneStore.Models;
+using PhoneStore.ViewModels;
+using Order = PhoneStore.Enums.Order;
+
+namespace PhoneStore.Controllers
+{
+    public class UsersController : Controller
+    {
+        private readonly MobileContext _db;
+
+        public UsersController(MobileContext db)
+        {
+            _db = db;
+        }
+
+        [HttpGet]
+        public IActionResult Index(
+            string filteringCriterionByName, 
+            int page = 1, 
+            Order order = Order.NameAsc)
+        {
+            int pageSize = 2;
+            IQueryable<User> users  = _db.Users.AsQueryable();
+            if (!string.IsNullOrEmpty(filteringCriterionByName))
+                users = users.Where(u => u.Name.Contains(filteringCriterionByName));
+            int count = users.Count();
+            
+            users = _db
+                .Users
+                .OrderBy(u => u.Name)
+                .Skip((page - 1) * pageSize)
+                .Take(pageSize);
+            ViewBag.NameSort = order == Order.NameAsc ? Order.NameDesc : Order.NameAsc;
+            ViewBag.AgeSort = order == Order.AgeAsc ? Order.AgeDesc : Order.AgeAsc;
+            
+            
+            
+            switch (order)
+            {
+                case Order.AgeDesc:
+                    users = users.OrderByDescending(u => u.Age);
+                    break;
+                case Order.AgeAsc:
+                    users = users.OrderBy(u => u.Age);
+                    break;
+                case Order.NameDesc:
+                    users = users.OrderByDescending(u => u.Name);
+                    break;
+                default:
+                    users = users.OrderBy(u => u.Name);
+                    break;
+            }
+
+            UsersViewModel model = new UsersViewModel
+            {
+                Filter = filteringCriterionByName,
+                Users = users.ToArray(),
+                PageViewModel = new PageViewModel(page, count, pageSize )
+            };
+            
+            return View(model);
+        }
+    }
+}
\ No newline at end of file

PhoneStore/Enums/Order.cs

+namespace PhoneStore.Enums
+{
+    public enum Order
+    {
+        NameAsc,
+        NameDesc,
+        AgeAsc,
+        AgeDesc
+    }
+}
\ No newline at end of file

PhoneStore/ViewModels/PageViewModel.cs

+using System;
+
+namespace PhoneStore.ViewModels
+{
+    public class PageViewModel
+    {
+        public int Page { get; set; }
+        public int TotalPages { get; set; }
+        public bool HasPrevious => Page > 1;
+        public bool HasNext => Page < TotalPages;
+
+        public PageViewModel(int page, int count, int pageSize)
+        {
+            Page = page;
+            TotalPages = (int)Math.Ceiling(count / (double)pageSize);
+        }
+    }
+}
\ No newline at end of file

PhoneStore/ViewModels/UsersViewModel.cs

+using System.Collections.Generic;
+using PhoneStore.Models;
+
+namespace PhoneStore.ViewModels
+{
+    public class UsersViewModel
+    {
+        public IEnumerable<User> Users { get; set; }
+        public string Filter { get; set; }
+        public PageViewModel PageViewModel { get; set; }
+    }
+}
\ No newline at end of file

PhoneStore/Views/Shared/_Layout.cshtml

@@ -27,6 +27,9 @@
                     <li class="nav-item">
                         <a class="nav-link text-dark" asp-area="" asp-controller="Brands" asp-action="Create">Добавить бренд</a>
                     </li>
+                    <li class="nav-item">
+                        <a class="nav-link text-dark" asp-area="" asp-controller="Users" asp-action="Index">Пользователи</a>
+                    </li>
                 </ul>
             </div>
         </div>

PhoneStore/Views/Users/Index.cshtml

+@model UsersViewModel
+
+@{
+    ViewBag.Title = "Пользователи";
+    Layout = "_Layout";
+}
+
+<h2>Список пользователей</h2>
+
+<div class="row">
+    <div class="phone_add_form col-md-6">
+        <form asp-action="Index" asp-controller="Users" method="get">
+            <div class="form_row">
+                <label for="name">
+                    Имя:
+                    <input 
+                        id="name" 
+                        type="text" 
+                        name="filteringCriterionByName" 
+                        value="@Model.Filter">
+                </label>
+                <input type="text" hidden name="page" value="@Model.PageViewModel.Page">
+                <button class="btn btn-outline-warning">Отправить</button>
+            </div>
+        </form>
+    </div>
+</div>
+
+<table style="width: 100%">
+    <tr>
+        <th>
+            <a
+                asp-action="Index"
+                asp-controller="Users"
+                asp-route-order="@ViewBag.NameSort"
+                asp-route-filteringCriterionByName="@Model.Filter">
+                Имя
+            </a>
+        </th>
+        <th>
+            <a
+                asp-action="Index"
+                asp-controller="Users"
+                asp-route-order="@ViewBag.AgeSort"
+                asp-route-filteringCriterionByName="@Model.Filter">
+                Возраст
+            </a>
+        </th>
+    </tr>
+    @foreach (var user in Model.Users)
+    {
+        <tr>
+            <td>@user.Name</td>
+            <td>@user.Age</td>
+        </tr>
+    }
+</table>
+
+@if (Model.PageViewModel.HasPrevious)
+{
+    <a asp-action="Index" asp-controller="Users"
+       asp-route-page="@(Model.PageViewModel.Page - 1)" 
+       asp-route-filteringCriterionByName="@Model.Filter" 
+       class="btn btn-outline-warning">Назад</a>
+}
+@if (Model.PageViewModel.HasNext)
+{
+    <a asp-action="Index" asp-controller="Users" 
+       asp-route-page="@(Model.PageViewModel.Page + 1)" 
+       asp-route-filteringCriterionByName="@Model.Filter" 
+       class="btn btn-outline-warning">Вперед</a>
+}
\ No newline at end of file