Atualização de segurança e atualizando so many to many e outras relações.

Crud_Carros/Controllers/CarController.cs

@@ -1,9 +1,10 @@
-using Crud_Carros.Data;
-using Crud_Carros.Models.Entities;
+using Crud_Carros.Models.Entities;
 using Crud_Carros.Models;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Query.Internal;
+using Microsoft.AspNetCore.Authorization;
+using Crud_Carros.Data;
 
 
 namespace Crud_Carros.Controllers

Crud_Carros/Controllers/ClientController.cs

@@ -26,10 +26,10 @@ public async Task<IActionResult> AddClient()
             return View();
         }
 
+
         [HttpPost]
         public async Task<IActionResult> AddClient(AddClientViewModel viewModel)
         {
-
             var client = new Client
             {
                 Name_Client = viewModel.Name_Client,
@@ -45,6 +45,7 @@ public async Task<IActionResult> AddClient(AddClientViewModel viewModel)
             return RedirectToAction ("ListClient", "Client");
         }   
 
+
         [HttpGet]
 
         public async Task<IActionResult> ListClient()

Crud_Carros/Controllers/ClientOfStaffController.cs

@@ -30,13 +30,13 @@ public async Task<IActionResult> AddClientOfStaff()
         public async Task<IActionResult> AddClientOfStaff(AddClientOfStaffViewModel viewModel)
         {
             var client = await dbContext.Clients.FindAsync(viewModel.ClientId);
-            if (client == null) return NotFound(); // Verificar 
+            if (client == null) return NotFound(); 
             foreach (var staffId in viewModel.SelectedStaffIds) 
             {
                 var existeRegistro = await dbContext.ClientOfStaffs
                     .FirstOrDefaultAsync(cos => cos.ClientId == viewModel.ClientId && cos.StaffId == staffId);
 
-                if (existeRegistro != null) continue; // Se o registro já existir - Continuar
+                if (existeRegistro != null) continue; 
 
                 var clientOfStaff = new ClientOfStaff
                 {

Crud_Carros/Controllers/LoginController.cs

@@ -0,0 +1,42 @@
+using Crud_Carros.Data;
+using Crud_Carros.Models;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using System.Threading.Tasks;
+
+namespace Crud_Carros.Controllers
+{
+    public class LoginController : Controller
+    {
+        private readonly ApplicationDbContext dbContext;
+
+        public LoginController(ApplicationDbContext dbContext)
+        {
+            this.dbContext = dbContext;
+        }
+
+        [HttpGet]
+        public IActionResult Login ()
+        {
+            return View();
+        }
+
+        [HttpPost]
+        public async Task<IActionResult> Login (LoginViewModel loginView)
+        {
+            if (ModelState.IsValid)
+            {
+                var user = await dbContext.Users
+                    .FirstOrDefaultAsync(user => user.Username == loginView.Input_Username && user.Password == loginView.Input_Password);
+
+                if (user != null)
+                {
+                    return RedirectToAction("Index", "Home");
+                }
+                ModelState.AddModelError("", "Usuário ou senha inválidos.");
+            }
+            return View(loginView);
+        }
+    }
+}

Crud_Carros/Controllers/ModelOfCarController.cs

@@ -1,8 +1,8 @@
-using Crud_Carros.Data;
-using Crud_Carros.Models.Entities;
+using Crud_Carros.Models.Entities;
 using Crud_Carros.Models;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using Crud_Carros.Data;
 
 namespace Crud_Carros.Controllers
 {

Crud_Carros/Controllers/UserController.cs

@@ -0,0 +1,87 @@
+using Crud_Carros.Data;
+using Crud_Carros.Models;
+using Crud_Carros.Models.Entities;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using System.Threading.Tasks;
+
+namespace Crud_Carros.Controllers
+{
+    public class UserController : Controller
+    {
+        private readonly ApplicationDbContext dbContext;
+
+        public UserController(ApplicationDbContext dbContext)
+        {
+            this.dbContext = dbContext;
+        }
+
+        [HttpGet]
+        public IActionResult AddUser ()
+        {
+            return View();
+        }
+
+        [HttpPost]
+        public async Task<IActionResult> AddUser (AddUserViewModel viewModel)
+        {
+            var user = new User
+            {
+                Username = viewModel.Username,
+                Password = viewModel.Password,
+            };
+
+            await dbContext.Users.AddAsync(user);
+            await dbContext.SaveChangesAsync();
+
+            return RedirectToAction("ListUser", "User");
+        }
+        public async Task<IActionResult> ListUser()
+        {
+            var users = await dbContext.Users.ToListAsync();
+
+            return View(users);
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> EditUser (Guid id)
+        {
+            var user = await dbContext.Users.FindAsync(id);
+
+            return View(user);
+        }
+
+        [HttpPost]
+        public async Task<IActionResult> EditUser (User viewModel)
+        {
+            var user = await dbContext.Users.FindAsync(viewModel.UserId);
+
+            if (user is not null)
+            {
+                user.UserId = viewModel.UserId;
+                user.Username = viewModel.Username;
+                user.Password = viewModel.Password;
+
+                await dbContext.SaveChangesAsync();
+            }
+            await dbContext.SaveChangesAsync();
+            return RedirectToAction("ListUser", "User");
+        }
+
+        [HttpPost]
+        public async Task<IActionResult> Delete(User ViewModel)
+        {
+            var User = await dbContext.Users
+                .AsNoTracking()
+                .FirstOrDefaultAsync(x => x.UserId == ViewModel.UserId);
+
+            if (User is not null)
+            {
+                dbContext.Users.Remove(ViewModel);
+                await dbContext.SaveChangesAsync();
+            }
+
+            return RedirectToAction("ListUser", "User");
+        }
+    }
+}