Добавить авторизацию.

***
- Добавил авторизацию пользователя.
***

PhoneStore/Controllers/AccountController.cs

@@ -3,6 +3,7 @@ using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using PhoneStore.Enums;
 using PhoneStore.Helpers;
+using PhoneStore.Models;
 using PhoneStore.Services.Abstractions;
 using PhoneStore.ViewModels.Account;
 
@@ -39,5 +40,31 @@ namespace PhoneStore.Controllers
             
             return View(model);
         }
+        
+        [HttpGet]
+        public IActionResult Login(string returnUrl = null)
+        {
+            return View(new LoginViewModel { ReturnUrl = returnUrl });
+        }
+        
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Login(LoginViewModel model)
+        {
+            if (!ModelState.IsValid)
+                return View(model);
+
+            var result = await _accountService.LogIn(model);
+            if (result.StatusCodes == StatusCodes.Success)
+            {
+                if (!string.IsNullOrEmpty(model.ReturnUrl) && Url.IsLocalUrl(model.ReturnUrl))
+                    return Redirect(model.ReturnUrl);
+                return RedirectToAction("Index", "Phones");
+            }
+            if (result.ErrorMessages.Any())
+                ModelState.AddErrors(result.ErrorMessages);
+            
+            return View(model);
+        }
     }
 }
\ No newline at end of file

PhoneStore/Services/AccountService.cs

+using System.Collections.Generic;
 using System.Linq;
+using System.Security.Policy;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Identity;
 using PhoneStore.Enums;
@@ -24,6 +26,12 @@ namespace PhoneStore.Services
 
         public async Task<IdentityResult> Register(RegisterViewModel model)
         {
+            if (model is null) return new IdentityResult
+            {
+                StatusCodes = StatusCodes.Error, 
+                ErrorMessages = new List<string>{"Внутренняя ошибка"}
+            };
+            
             User user = new User
             {
                 Email = model.Email,
@@ -44,12 +52,25 @@ namespace PhoneStore.Services
                 ErrorMessages = errors, 
                 StatusCodes = StatusCodes.Error
             };
-
         }
 
-        public Task<IdentityResult> LogIn(LoginViewModel model)
+        public async Task<IdentityResult> LogIn(LoginViewModel model)
         {
-            throw new System.NotImplementedException();
+            User user = await _userManager.FindByEmailAsync(model.Email);
+            SignInResult result = await _signInManager.PasswordSignInAsync(
+                user,
+                model.Password,
+                model.RememberMe,
+                false
+            );
+            if (result.Succeeded)
+                return new IdentityResult {StatusCodes = StatusCodes.Success};
+            
+            return new IdentityResult
+            {
+                StatusCodes = StatusCodes.Error,
+                ErrorMessages = new List<string>{"Неправильный логин и (или) пароль"}
+            };
         }
 
         public Task<IdentityResult> LogOf()

PhoneStore/Views/Account/Login.cshtml

+@model LoginViewModel
+
+@{
+    ViewBag.Title = "title";
+    Layout = "_Layout";
+}
+
+<h2>Вход в приложение</h2>
+<form method="post" asp-controller="Account" asp-action="Login"
+     asp-route-returnUrl="@Model.ReturnUrl">
+   <div asp-validation-summary="ModelOnly"></div>
+   <div>
+       <label asp-for="Email"></label><br />
+       <input asp-for="Email" />
+       <span asp-validation-for="Email"></span>
+   </div>
+   <div>
+       <label asp-for="Password"></label><br />
+       <input asp-for="Password" />
+       <span asp-validation-for="Password"></span>
+   </div>
+   <div>
+       <label asp-for="RememberMe"></label><br />
+       <input asp-for="RememberMe" />
+   </div>
+   <div>
+       <button type="submit" class="btn btn-outline-warning">Войти</button>
+   </div>
+</form>

PhoneStore/Views/Account/Register.cshtml

@@ -33,7 +33,7 @@
        <span asp-validation-for="PasswordConfirm"></span>
    </div>
    <div>
-       <input type="submit" value="Регистрация" />
+       <button type="submit" class="btn btn-outline-warning">Регистрация</button>
    </div>
 </form>