/// <summary>
/// Logs a user into the vending machine system and throws exceptions on any failures
/// </summary>
/// <param name="username">The username of the user to authenicate</param>
/// <param name="password">The password of the user to authenicate</param>
public void LoginUser(string username, string password)
{
UserItem user = null;
try
{
user = _database.GetUserItem(username);
}
catch (Exception)
{
throw new Exception("Either the username or the password is invalid.");
}
PasswordManager passHelper = new PasswordManager(password, user.Salt);
if (!passHelper.Verify(user.Hash))
{
throw new Exception("Either the username or the password is invalid.");
}
_roleMgr = new RoleManager(user);
}
/// <summary>
/// Adds a new user to the vending machine system
/// </summary>
/// <param name="userModel">Model that contains all the user information</param>
public void RegisterUser(UserItem userModel)
{
UserItem userItem = null;
try
{
userItem = _database.GetUserItem(userModel.Username);
}
catch (Exception)
{
}
if (userItem != null)
{
throw new UserExistsException("The username is already taken.");
}
if (userModel.Password != userModel.ConfirmPassword)
{
throw new PasswordMatchException("The password and confirm password do not match.");
}
PasswordManager passHelper = new PasswordManager(userModel.Password);
UserItem newUser = new UserItem()
{
FirstName = userModel.FirstName,
LastName = userModel.LastName,
Email = userModel.Email,
Username = userModel.Username,
Salt = passHelper.Salt,
Hash = passHelper.Hash,
RoleId = (int)RoleManager.eRole.Customer
};
_database.AddUserItem(newUser);
LoginUser(newUser.Username, userModel.Password);
}