public void Delete(User user)
{
var userForDeletion = _allUsers.Find(u => u.Id == user.Id);
_allUsers.Remove(userForDeletion);
Serialize();
GetAllUsers();
}
public void Add(User user)
{
if (AllUsers.Any(u => u.Name == user.Name))
{
throw new InvalidOperationException("UserName is already used");
}
AllUsers.Add(user);
Serialize();
GetAllUsers();
}
public void Change(User user)
{
var userToChange = _allUsers.Find(u => u.Id == user.Id);
if (AllUsers.Any(u => u.Name == user.Name))
{
throw new InvalidOperationException("UserName is already used");
}
_allUsers.Remove(userToChange);
_allUsers.Add(user);
Serialize();
GetAllUsers();
}
public void EditUser(User user)
{
}
public User LogIn(User user)
{
GetAllUsers();
var loggedUser = _allUsers.Find(u => u.Password == user.Password && u.Name == user.Name);
if (loggedUser == null)
{
throw new InvalidOperationException("UserName or password is incorrect");
}
return loggedUser;
}
public User GetUser(User user)
{
GetAllUsers();
var userForEdition = _allUsers.Find(u => u.Name == user.Name);
if (userForEdition == null)
{
throw new InvalidOperationException("Can't find such user");
}
return userForEdition;
}
