public void AddUser(string userName)
{
var list = DataController.GetData(_filepath);
if (CheckIfUserExists(userName, list))
{
var newId = Convert.ToInt32(list[list.Count - 1].Id) + 1;
list.Add(new User(userName, newId.ToString()));
DataController.SendData(_filepath, list);
}
else
{
throw new ArgumentException("User already exists");
}
}
public bool DeleteUser(string id)
{
if (id.Equals("1"))
{
throw new ArgumentException("Can not delete Bob");
}
var list = DataController.GetData(_filepath);
foreach (var user in list)
{
if (user.Id.Equals(id))
{
list.Remove(user);
DataController.SendData(_filepath, list);
return(true);
}
}
throw new ArgumentException("User does not exist");
}
public bool UpdateUserName(string id, string newName)
{
var list = DataController.GetData(_filepath);
foreach (var user in list)
{
if (user.Name.Equals(newName))
{
throw new ArgumentException("User already exists");
}
if (user.Id.Equals(id))
{
user.Name = newName;
DataController.SendData(_filepath, list);
return(true);
}
}
throw new ArgumentException("User doesn't exist");
}
public List <User> GetAllUsers()
{
// TODO: extract this later
return(DataController.GetData(_filepath));
}
