public void ChangeLastName(User user, string newLastName)
{
if (ValidationHelpers.NameValidation(newLastName) == null)
{
MessageHelpers.ErrorMessage("Not a valid last name.");
return;
}
user.FirstName = newLastName;
}
public int ChooseFromMenu <T>(List <T> items)
{
while (true)
{
Console.WriteLine("Enter a number to choose an option: ");
for (int i = 0; i < items.Count; i++)
{
Console.WriteLine($"{i + 1} - {items[i]}");
}
string userChoice = Console.ReadLine();
int choice = ValidationHelpers.NumberValidation(userChoice, items.Count);
if (choice == -1)
{
MessageHelpers.ErrorMessage("Incorrect input");
continue;
}
return(choice);
}
}
public void ChangePassword(int id, string oldPassword, string newPassword)
{
var user = _db.GetAll().SingleOrDefault(user => user.Id == id);
if (user.Password != oldPassword)
{
MessageHelpers.ErrorMessage("Please enter a correct old password.");
return;
}
if (oldPassword == newPassword)
{
MessageHelpers.ErrorMessage("New password can not be old password.");
return;
}
if (ValidationHelpers.PasswordValidation(newPassword) == null)
{
MessageHelpers.ErrorMessage("Not a valid new password.");
return;
}
user.Password = newPassword;
MessageHelpers.SuccessMessage("Password successfully changed.");
}