Добавил поиск пользователя через ajax

PhoneStore/Controllers/AccountController.cs

+using System;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using PhoneStore.Enums;
 using PhoneStore.Helpers;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 using PhoneStore.ViewModels.Account;
 
 namespace PhoneStore.Controllers
@@ -11,10 +12,12 @@ namespace PhoneStore.Controllers
     public class AccountController : Controller
     {
         private readonly IAccountService _accountService;
+        private readonly ISearchService _searchService;
 
-        public AccountController(IAccountService accountService)
+        public AccountController(IAccountService accountService, ISearchService searchService)
         {
             _accountService = accountService;
+            _searchService = searchService;
         }
 
         [HttpGet]
@@ -73,5 +76,19 @@ namespace PhoneStore.Controllers
             await _accountService.LogOf();
             return RedirectToAction("Index", "Phones");
         }
+
+        [HttpGet]
+        public IActionResult SearchAccounts(string searchTerm)
+        {
+            try
+            {
+                var users = _searchService.SearchUsersByAny(searchTerm);
+                return PartialView("PartialViews/UserSearchResultPartialView", users);
+            }
+            catch (Exception e)
+            {
+                return StatusCode(500, e.Message);
+            }
+        }
     }
 }
\ No newline at end of file

PhoneStore/Controllers/BasketsController.cs

 using Microsoft.AspNetCore.Mvc;
 using PhoneStore.Enums;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 using PhoneStore.ViewModels;
 
 namespace PhoneStore.Controllers

PhoneStore/Controllers/PhonesController.cs

@@ -7,7 +7,7 @@ using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using PhoneStore.Helpers;
 using PhoneStore.Models;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 using PhoneStore.ViewModels;
 
 namespace PhoneStore.Controllers

PhoneStore/Helpers/ServiceConnector.cs

@@ -2,7 +2,7 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using PhoneStore.Models;
 using PhoneStore.Services;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 
 namespace PhoneStore.Helpers
 {
@@ -22,6 +22,8 @@ namespace PhoneStore.Helpers
             services.AddTransient<IUsersFilter, UsersFilter>();
             services.AddTransient<IPaginationService<User>, PaginationService<User>>();
             services.AddTransient<IAccountService, AccountService>();
+            services.AddTransient<ISearchService, SearchService>();
+            services.AddScoped<IUserSearchService, UserSearchService>();
         }
     }
 }
\ No newline at end of file

PhoneStore/PhoneStore.csproj

@@ -15,6 +15,7 @@
 
     <ItemGroup>
       <_ContentIncludedByDefault Remove="wwwroot\Files\book.pdf" />
+      <_ContentIncludedByDefault Remove="Views\Searchs\Search.cshtml" />
     </ItemGroup>
 
     <ItemGroup>

PhoneStore/Services/AccountService.cs

@@ -5,7 +5,7 @@ using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using PhoneStore.Enums;
 using PhoneStore.Models;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 using PhoneStore.ViewModels.Account;
 using IdentityResult = PhoneStore.DataObjects.IdentityResult;
 using SignInResult = Microsoft.AspNetCore.Identity.SignInResult;

PhoneStore/Services/BasketService.cs

@@ -3,7 +3,7 @@ using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using PhoneStore.Enums;
 using PhoneStore.Models;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 
 namespace PhoneStore.Services
 {

PhoneStore/Services/DefaultPhoneImagePathProvider.cs

-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 
 namespace PhoneStore.Services
 {

PhoneStore/Services/Abstractions/IAccountService.cs → PhoneStore/Services/Interfaces/IAccountService.cs

-using System.Collections.Generic;
 using System.Threading.Tasks;
 using PhoneStore.DataObjects;
-using PhoneStore.Models;
 using PhoneStore.ViewModels.Account;
 
-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface IAccountService
     {

PhoneStore/Services/Abstractions/IBasketService.cs → PhoneStore/Services/Interfaces/IBasketService.cs

@@ -2,7 +2,7 @@ using System.Collections.Generic;
 using PhoneStore.Enums;
 using PhoneStore.Models;
 
-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface IBasketService
     {

PhoneStore/Services/Abstractions/ICreatable.cs → PhoneStore/Services/Interfaces/ICreatable.cs

 using System.Threading.Tasks;
 
-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface ICreatable<in T> where T : class
     {

PhoneStore/Services/Abstractions/IDefaultPhoneImagePathProvider.cs → PhoneStore/Services/Interfaces/IDefaultPhoneImagePathProvider.cs

-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface IDefaultPhoneImagePathProvider
     {

PhoneStore/Services/Abstractions/IPaginationService.cs → PhoneStore/Services/Interfaces/IPaginationService.cs

 using System.Linq;
 using System.Threading.Tasks;
 
-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface IPaginationService<T>
     {

PhoneStore/Services/Abstractions/IPhoneService.cs → PhoneStore/Services/Interfaces/IPhoneService.cs

 using PhoneStore.ViewModels;
 
-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface IPhoneService : ICreatable<PhoneCreateViewModel>
     {

PhoneStore/Services/Interfaces/ISearchService.cs

+using System.Collections.Generic;
+using PhoneStore.Models;
+
+namespace PhoneStore.Services.Interfaces;
+
+public interface ISearchService
+{
+    IEnumerable<User> SearchUsersByAny(string searchTerm);
+}
\ No newline at end of file

PhoneStore/Services/Interfaces/IUserSearchService.cs

+using System.Collections.Generic;
+using PhoneStore.Models;
+
+namespace PhoneStore.Services.Interfaces;
+
+public interface IUserSearchService
+{
+    IEnumerable<User> SearchByName(string searchTerm);
+    IEnumerable<User> SearchByLogin(string searchTerm);
+    IEnumerable<User> SearchByEmail(string searchTerm);
+}
\ No newline at end of file

PhoneStore/Services/Abstractions/IUsersFilter.cs → PhoneStore/Services/Interfaces/IUsersFilter.cs

 using System.Linq;
 using PhoneStore.Models;
 
-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface IUsersFilter
     {

PhoneStore/Services/Abstractions/IUsersSortService.cs → PhoneStore/Services/Interfaces/IUsersSortService.cs

@@ -2,7 +2,7 @@ using System.Linq;
 using PhoneStore.Models;
 using Order = PhoneStore.Enums.Order;
 
-namespace PhoneStore.Services.Abstractions
+namespace PhoneStore.Services.Interfaces
 {
     public interface IUsersSortService
     {

PhoneStore/Services/PaginationService.cs

 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 
 namespace PhoneStore.Services
 {

PhoneStore/Services/PhoneService.cs

@@ -5,7 +5,7 @@ using System.Threading.Tasks;
 using Microsoft.Extensions.Hosting;
 using PhoneStore.Helpers;
 using PhoneStore.Models;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 using PhoneStore.ViewModels;
 
 namespace PhoneStore.Services

PhoneStore/Services/SearchService.cs

+using System.Collections.Generic;
+using System.Linq;
+using PhoneStore.Models;
+using PhoneStore.Services.Interfaces;
+
+namespace PhoneStore.Services;
+
+public class SearchService : ISearchService
+{
+    private readonly IUserSearchService _userSearch;
+
+    public SearchService(IUserSearchService userSearch)
+    {
+        _userSearch = userSearch;
+    }
+    public IEnumerable<User> SearchUsersByAny(string searchTerm)
+    {
+        var resultByName = _userSearch.SearchByName(searchTerm);
+        var resultByLogin = _userSearch.SearchByLogin(searchTerm);
+        var resultByEmail = _userSearch.SearchByEmail(searchTerm);
+        var users = resultByName
+            .Concat(resultByLogin)
+            .Concat(resultByEmail)
+            .ToHashSet();
+
+        //if (users == null || !users.Any())
+        if (users?.Any() ?? false)
+        {
+            return users;
+        }
+            
+        return new List<User>();
+    }
+}
\ No newline at end of file

PhoneStore/Services/UserSearchService.cs

+using System.Collections.Generic;
+using System.Linq;
+using PhoneStore.Models;
+using PhoneStore.Services.Interfaces;
+
+namespace PhoneStore.Services;
+
+public class UserSearchService : IUserSearchService
+{
+
+    private readonly MobileContext _db;
+
+    public UserSearchService(MobileContext db)
+    {
+        _db = db;
+    }
+
+    public IEnumerable<User> SearchByName(string searchTerm)
+        => _db.Users.Where(u => u.Name
+            .ToLower()
+            .Contains(searchTerm
+                .ToLower()));
+
+    public IEnumerable<User> SearchByLogin(string searchTerm)
+        => _db.Users.Where(u => u.UserName.ToLower().Contains(searchTerm.ToLower()));
+
+    public IEnumerable<User> SearchByEmail(string searchTerm)
+        => _db.Users.Where(u => u.Email.ToLower().Contains(searchTerm.ToLower()));
+
+}
\ No newline at end of file

PhoneStore/Services/UsersFilter.cs

 using System.Linq;
 using PhoneStore.Models;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 
 namespace PhoneStore.Services
 {

PhoneStore/Services/UsersSortService.cs

 using System.Linq;
 using System.Threading.Tasks;
 using PhoneStore.Models;
-using PhoneStore.Services.Abstractions;
+using PhoneStore.Services.Interfaces;
 using Order = PhoneStore.Enums.Order;
 
 namespace PhoneStore.Services

PhoneStore/Startup.cs

@@ -9,7 +9,6 @@ using Microsoft.Extensions.Hosting;
 using PhoneStore.Helpers;
 using PhoneStore.Models;
 using PhoneStore.Services;
-using PhoneStore.Services.Abstractions;
 
 namespace PhoneStore
 {

PhoneStore/Views/Account/PartialViews/UserSearchResultPartialView.cshtml

+@model IEnumerable<User>
+
+@if (Model.Any())
+{
+    var count = 1;
+    <table class="table">
+        <caption>Список пользователей</caption>
+        <thead>
+        <tr>
+            <th scope="col">
+                #
+            </th>
+            <th scope="col">
+                Имя
+            </th>
+            <th scope="col">
+                Login
+            </th>
+            <th scope="col">
+                Email
+            </th>
+            <th scope="col">
+                Age
+            </th>
+            <th scope="col">
+                Phone
+            </th>
+        </tr>
+        </thead>
+        <tbody>
+        @foreach (var user in Model)
+        {
+            <tr>
+                <th scope="row" id="@user.Id">@(count++)</th>
+                <td id="name">@user.Name</td>
+                <td id="username">@user.UserName</td>
+                <td id="email">@user.Email</td>
+                <td id="age">@user.Age</td>
+                <td id="phone">@(string.IsNullOrWhiteSpace(user.PhoneNumber) ? "номера нет" : user.PhoneNumber)</td>
+            </tr>
+        }
+        </tbody>
+    </table>
+}
+else
+{
+    <h2>Таких пользователей нет</h2>
+}
\ No newline at end of file

PhoneStore/Views/Shared/_Layout.cshtml

@@ -27,13 +27,17 @@
                     <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">
+                        <input type="text" id="search" class="form-control" placeholder="Критерии для поиска">
+                    </li>
+
                 </ul>
             </div>
             <div class="login_group">
-                @if(User.Identity.IsAuthenticated)
+                @if (User.Identity.IsAuthenticated)
                 {
                     <p>@User.Identity.Name</p>
-                           
+
                     <form method="post" asp-controller="Account" asp-action="LogOff">
                         <button class="btn btn-outline-warning" type="submit">Выход</button>
                     </form>
@@ -49,6 +53,7 @@
 </header>
 <div class="container">
     <main role="main" class="pb-3">
+        <div id="results"></div>
         @RenderBody()
     </main>
 </div>