source: StockMaster/Program.cs

using Microsoft.AspNetCore.Authentication.Cookies; 
using Microsoft.EntityFrameworkCore;
using StockMaster.Data;
using StockMaster.Services;

var builder = WebApplication.CreateBuilder(args);


AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
builder.Services.AddHttpContextAccessor();


builder.Services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
    .AddCookie(options =>
    {
        options.LoginPath = "/Account/Login"; 
        options.ExpireTimeSpan = TimeSpan.FromMinutes(30); 
        options.Cookie.Name = "StockMasterAuth";
    });


builder.Services.AddControllersWithViews();


builder.Services.AddHttpContextAccessor();


builder.Services.AddDbContext<StockDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));


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


builder.Services.AddScoped<IAuthService, AuthService>();
builder.Services.AddScoped<IProductService, ProductService>();
builder.Services.AddScoped<ISaleService, SaleService>();
builder.Services.AddScoped<IPurchaseOrderService, PurchaseOrderService>();
builder.Services.AddScoped<IWarehouseService, WarehouseService>();
builder.Services.AddScoped<IReportService, ReportService>();

var app = builder.Build();


if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    app.UseHsts();
}

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

app.UseRouting();


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


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

app.Run();