PasswordSignInAsync(model.Email, model.Password, model.RememberMe, lockoutOnFailure: false); if (result.Succeeded) { return RedirectToAction("Index", "Home"); }ModelState.AddModelError(string.Empty, "Invalid login attempt.");}returnView(model); } // Действие для выхода из системы[HttpPost] public async Task Logout() { await _signInManager.SignOutAsync(); return RedirectToAction("Index", "Home"); }}using Microsoft.AspNetCore.Authorization;using Microsoft.AspNetCore.Identity;using Microsoft.AspNetCore.Mvc;using Microsoft.EntityFrameworkCore;using WebAppHealthyEating.Data;using WebAppHealthyEating.Data.Model;using WebAppHealthyEating.Models;namespace WebAppHealthyEating.Controllers{ [Authorize] public class ArticleController : Controller { private readonlyUserManager _userManager; private readonlySignInManager _signInManager; private readonlyApplicationDbContextapplicationDbContext; public ArticleController(ApplicationDbContextapplicationDbContext, UserManager userManager, SignInManager signInManager) {this.applicationDbContext = applicationDbContext;this._userManager = userManager;this._signInManager = signInManager; } public IActionResultAdd() { return View(); } public async Task ArticleIndex() { var articlesList = await applicationDbContext.Articles.ToListAsync(); var userList = await applicationDbContext.Users.ToListAsync(); var query = from article in articlesList join user in userList on article.AuthorId equals user.Id select new Article { Id = article.Id, Title = article.Title,SubTitle = article.SubTitle,AuthorId = article.AuthorId, Author = user, PublicationDate = article.PublicationDate, Text = article.Text, URL = article.URL }; var result = query.ToList(); return View(articlesList); } [HttpPost] public async Task AddNewArticle(ArticleViewModeladdNewArticle) { if (_signInManager.IsSignedIn(User)) { var user = await _userManager.GetUserAsync(User); var article = new Article { Id = Guid.NewGuid(), Title = addNewArticle.Title, Author = user,AuthorId = user.Id,PublicationDate = System.DateTime.Today, Text = addNewArticle.Text, URL = addNewArticle.Url }; await applicationDbContext.Articles.AddAsync(article); await applicationDbContext.SaveChangesAsync(); return RedirectToAction("ArticleIndex"); } return RedirectToAction("Index"); } }}using Microsoft.AspNetCore.Mvc;using System.Diagnostics;using WebAppHealthyEating.Models;namespace WebAppHealthyEating.Controllers{ public class HomeController : Controller { private readonlyILogger _logger; public HomeController(ILogger logger) { _logger = logger; } public IActionResultIndex() { return View(); } public IActionResultPrivacy() { return View(); } [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)] public IActionResultError() { return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier }); } }}usingMicrosoft.AspNetCore.Identity;using System.ComponentModel.DataAnnotations;namespace WebAppHealthyEating.Data.Model{ public class Article { [Key] public Guid Id { get; set; } [Required(ErrorMessage = "The Title field is required.")] [StringLength(100, MinimumLength = 5, ErrorMessage = "The Title field must be between 5 and 100 characters.")] public string Title { get; set; } [Required(ErrorMessage = "The Sub Title field is required.")] [StringLength(100, MinimumLength = 5, ErrorMessage = "The Title field must be between 5 and 100 characters.")] public string SubTitle{ get; set; } = "Subtitle"; [Required(ErrorMessage = "The Author field is required.")] public string AuthorId{ get; set; } public IdentityUser Author { get; set; } [Required(ErrorMessage = "The PublicationDate field is required.")] [DataType(DataType.Date)] public DateTimePublicationDate{ get; set; } [Required(ErrorMessage = "The Text field is required.")] public string Text { get; set; } [Required(ErrorMessage = "The Text field is required.")] public string? URL { get; set; } }}using System;using System.ComponentModel.DataAnnotations;namespace WebAppHealthyEating.Data.Model{ [Index(nameof(UserName), IsUnique = true)] public class User :IdentityUser { [Key] public Guid Id { get; set; } [Required(ErrorMessage = "The Author field is required.")] [StringLength(50, MinimumLength = 5, ErrorMessage = "The UserName field must be between 5 and 50 characters.")] public string UserName{ get; set; } [Required] [StringLength(100, MinimumLength = 5, ErrorMessage = "The Email field must be between 5 and 100 characters.")] public string Email { get; set; } [Required] [StringLength(50, MinimumLength = 5, ErrorMessage = "The Password field must be between 5 and 50 characters.")] public string Password { get; set; } public bool EmailConfirmed{ get; set; } = false; public bool RootStat{ get; set; } = false; }}using Microsoft.AspNetCore.Identity;using Microsoft.AspNetCore.Identity.EntityFrameworkCore;using Microsoft.EntityFrameworkCore;using WebAppHealthyEating.Data.Model;namespace WebAppHealthyEating.Data{ public class ApplicationDbContext :IdentityDbContext { public ApplicationDbContext(DbContextOptions options) : base(options) { } public DbSet Users { get; set; } public DbSet

Articles { get; set; }}}ПРИЛОЖЕНИЕБ <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" /> <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" /> <link rel="subresource" href="~/img" asp-append-version="true" /> @* <link rel="stylesheet" href="~/css/style.css" asp-append-version="true" />*@ <link rel="stylesheet" href="~/WebAppHealthyEating.styles.css" asp-append-version="true" />

@RenderBody()

<script src="~/lib/jquery/dist/jquery.min.js"></script> <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script> <script src="~/js/site.js" asp-append-version="true"></script> @await RenderSectionAsync("Scripts", required: false)@using Microsoft.AspNetCore.Identity@inject SignInManager SignInManager@inject UserManager UserManager

@if (SignInManager.IsSignedIn(User)){
• @User.Identity?.Name!
• Logout
}else{
Регистрация Войти
}

@model List@{}

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@foreach (var item in Model) { }

Название статьи	Автор	Дата публикации	Подзаголовок
@item.Title	@item.Author.UserName	@item.PublicationDate	@item.SubTitle	Читать статью

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