Program.cs

using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Shopping_Online.Areas.Admin.Repository;
using Shopping_Online.Data;
using Shopping_Online.Models;
var builder = WebApplication.CreateBuilder(args);
// Kết nối db
builder.Services.AddDbContext<DataContext>(options =>
    options.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));

// Add Email
builder.Services.AddTransient<IEmailSender, EmailSender>();
// Add services to the container.
builder.Services.AddControllersWithViews();

builder.Services.AddDistributedMemoryCache();

builder.Services.AddSession(options =>
{
    options.IdleTimeout = TimeSpan.FromMinutes(30);
    // options.Cookie.HttpOnly = true;
    options.Cookie.IsEssential = true;
});

builder.Services.AddIdentity<AppUserModel, IdentityRole>()
    .AddEntityFrameworkStores<DataContext>().AddDefaultTokenProviders();

builder.Services.Configure<IdentityOptions>(options =>
{
    // Password settings.
    options.Password.RequireDigit = true;
    options.Password.RequireLowercase = true;
    options.Password.RequireNonAlphanumeric = false;
    options.Password.RequireUppercase = false;
    options.Password.RequiredLength = 6;

    options.User.RequireUniqueEmail = true;
});

var app = builder.Build();
app.UseStatusCodePagesWithRedirects("/Home/Error?statuscode={0}");
app.UseSession();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();

app.UseAuthentication();
app.UseAuthorization();

app.MapControllerRoute(
    name: "Areas",
    pattern: "{area:exists}/{controller=Product}/{action=Index}/{id?}");

app.MapControllerRoute(
name: "Category",
pattern: "Category/{Slug?}",
defaults: new { controller = "Category", action = "Index" });

app.MapControllerRoute(
name: "Brand",
pattern: "Brand/{Slug?}",
defaults: new { controller = "Brand", action = "Index" });

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

//Seeding data

var context = app.Services.CreateScope().ServiceProvider.GetRequiredService<DataContext>();
SeedData.SeedingData(context);

app.Run();