SurveyVista/Web/Controllers/AccountController.cs

using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Model;
using Web.ViewModel.AccountVM;

namespace Web.Controllers
{
    public class AccountController : Controller
    {
        private readonly SignInManager<ApplicationUser> _signInManager;

        public AccountController(SignInManager<ApplicationUser> signInManager)
        {
            _signInManager = signInManager;
        }
        public IActionResult Index()
        {
            return View();
        }

        [HttpGet]
        public IActionResult Login(string returnUrl = null)
        {
            ViewData["ReturnUrl"] = returnUrl;
            return View();
        }

        [HttpPost]
        [ValidateAntiForgeryToken]
        public async Task<IActionResult> Login(LoginViewModel model, string returnUrl = null)
        {
            ViewData["ReturnUrl"] = returnUrl;
            if (ModelState.IsValid)
            {
                var result = await _signInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, lockoutOnFailure: false);
                if (result.Succeeded)
                {
                    if (!string.IsNullOrEmpty(returnUrl) && Url.IsLocalUrl(returnUrl))
                    {
                        return Redirect(returnUrl);
                    }
                    else
                    {
                        TempData["Success"] = "Loing succesfully";
                        return RedirectToAction("Index", "Home"); // Redirect to the frontend homepage
                    }
                }
                ModelState.AddModelError(string.Empty, "Invalid login attempt.");
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }
    }
}