public ActionResult EditRole(RolesEditRoleVM model, string[] assignedAuthenticatingActions)
        {
            LibraryManagementSystemContext context = new LibraryManagementSystemContext();

            Role role = null;
            if (!this.ModelState.IsValid)
            {
                AuthenticatingActionsRepository authenticatingActionsRepository = new AuthenticatingActionsRepository(context);

                var authenticatingActions = authenticatingActionsRepository.GetAll();
                List<AuthenticatingActionsVM> authenticatingActionsViewModel = new List<AuthenticatingActionsVM>();

                foreach (var action in authenticatingActions)
                {
                    authenticatingActionsViewModel.Add(new AuthenticatingActionsVM
                    {
                        ID = action.ID,
                        Name = action.Name,
                        IsAssigned = false
                    });
                }

                ViewBag.AuthenticatingActions = authenticatingActionsViewModel;
                return View(model);
            }

            using (UnitOfWork unitOfWork = new UnitOfWork(context))
            {
                try
                {
                    var authenticatingActionsRepository = new AuthenticatingActionsRepository(unitOfWork);

                    var rolesRepository = new RolesRepository(unitOfWork);
                    if (model.ID > 0)
                    {
                        role = rolesRepository.GetAll(filter: r => r.ID == model.ID, includeProperties: "AuthenticatingActions").FirstOrDefault();
                    }
                    else
                    {
                        role = new Role();
                        role.AuthenticatingActions = new List<AuthenticatingAction>();
                    }

                    role.Name = model.Name;

                    UpdateAuthenticatingActions(assignedAuthenticatingActions, role, authenticatingActionsRepository);
                    rolesRepository.Save(role);
                    PopulateAssignedAuthenticatingActions(role, authenticatingActionsRepository);

                    unitOfWork.Commit();
                }
                catch (Exception ex)
                {
                    unitOfWork.RollBack();
                    throw ex;
                }
            }

            return RedirectToAction("Index", "Roles");
        }
        public ActionResult EditUser(UsersEditUserVM model, string[] assignedRoles)
        {
            LibraryManagementSystemContext context = new LibraryManagementSystemContext();

            ModelState.Remove("DateOut");

            UsersRepository usersRepositoryContext = new UsersRepository(context);
            if (model.Email != null && usersRepositoryContext.GetAll().Any(u => u.Email == model.Email) &&
                model.ID != usersRepositoryContext.GetAll(filter: u => u.Email == model.Email).FirstOrDefault().ID)
            {
                ModelState.AddModelError("Email", "* email already exists");
            }
            if (model.ID <= 0 && string.IsNullOrEmpty(model.Password))
            {
                this.ModelState.AddModelError("Password", "* password required");
            }
            if (!this.ModelState.IsValid)
            {
                RolesRepository rolesRepository = new RolesRepository(context);
                var allRoles = rolesRepository.GetAll();

                List<AssignedRolesVM> assignedRolesViewModel = new List<AssignedRolesVM>();
                foreach (var role in allRoles)
                {
                    assignedRolesViewModel.Add(new AssignedRolesVM
                        {
                            ID = role.ID,
                            Name = role.Name,
                            IsAssigned = false
                        });
                }

                ViewBag.Roles = assignedRolesViewModel;
                return View(model);
            }

            TryUpdateModel(model);

            User user = null;
            using (UnitOfWork unitOfWork = new UnitOfWork(context))
            {
                try
                {
                    UsersRepository usersRepositoryUnitOfWork = new UsersRepository(unitOfWork);
                    RolesRepository rolesRepository = new RolesRepository(unitOfWork);

                    if (model.ID > 0)
                    {
                        user = usersRepositoryUnitOfWork.GetAll(filter: u => u.ID == model.ID, includeProperties: "Roles").FirstOrDefault();
                        user.PersonalNumber = model.PersonalNumber;
                    }
                    else
                    {
                        user = new User();
                        user.Roles = new List<Role>();
                        user.PersonalNumber = usersRepositoryUnitOfWork.GetAll().LastOrDefault().PersonalNumber + 1;
                    }

                    user.Password =
                        (model.Password != null) && (model.Password.Trim() != String.Empty) ? model.Password.Trim() : user.Password;
                    user.FirstName = model.FirstName;
                    user.Email = model.Email;
                    user.Address = model.Address;
                    user.LastName = model.LastName;
                    user.Birthday = model.Birthday;
                    user.DateIn = model.DateIn;
                    user.DateOut = model.DateOut != null ? model.DateOut : null;

                    UpdateUserRoles(assignedRoles, user, rolesRepository);
                    usersRepositoryUnitOfWork.Save(user);

                    PopulateAssignedRoles(user, rolesRepository);
                    unitOfWork.Commit();
                }
                catch (Exception ex)
                {
                    unitOfWork.RollBack();
                    throw ex;
                }
            }

            return RedirectToAction("Index", "Users");
        }