public bool Insert(User o)
{
if (o == null ||
o.Username == null ||
o.Password == null ||
o.Email == null)
return false;
var command = _database.CreateCommand(SQL_INSERT);
_database.DefineParameter(command, "@username", DbType.String, o.Username);
_database.DefineParameter(command, "@password", DbType.String, o.Password);
_database.DefineParameter(command, "@email", DbType.String, o.Email);
return _database.ExecuteNonQuery(command) == 1;
}
public UserRegistrationViewModel(User user, IManager manager)
{
this.user = user;
this.manager = manager;
}
public UserRegistrationViewModel(IManager manager)
{
this.user = new User();
this.manager = manager;
}
/// <summary>
/// Logins the specified user.
/// </summary>
/// <param name="user">The user.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">Invalid user!</exception>
public void Login(User user)
{
if (user == null)
throw new ArgumentNullException("Invalid user!");
if (string.IsNullOrEmpty(user.Username))
throw new InvalidUserException("No username provided!");
if (string.IsNullOrEmpty(user.Password))
throw new InvalidUserException("No password provided!");
if (!Exist(user.Username))
throw new LoginException("User does not exist!");
try
{
if (IsValid(user))
currentUser = user;
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Updates the user.
/// </summary>
/// <param name="user">The user.</param>
/// <exception cref="DataAccessException">Cannot update user!</exception>
public void UpdateUser(User user)
{
if (!userDao.Update(user))
throw new DataAccessException("Cannot update user!");
}
/// <summary>
/// Removes the user.
/// </summary>
/// <param name="user">The user.</param>
/// <exception cref="System.ArgumentNullException">Invalid user!</exception>
/// <exception cref="DataAccessException">Cannot remove user!</exception>
public void RemoveUser(User user)
{
if (user == null)
throw new ArgumentNullException("Invalid user!");
if (!userDao.Delete(user.Username))
throw new DataAccessException("Cannot remove user!");
}
/// <summary>
/// Creates the user.
/// </summary>
/// <param name="user">The user.</param>
/// <exception cref="System.ArgumentNullException">Invalid user argument</exception>
/// <exception cref="DataAccessException">Cannot create user!</exception>
private void CreateUser(User user)
{
if (!userDao.Insert(user))
throw new ArgumentException("Invalid user user!");
}
/// <summary>
/// Registrates the specified user.
/// </summary>
/// <param name="user">The user.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">Invalid user!</exception>
/// <exception cref="UserException">Cannot registrate user</exception>
public void Registrate(User user)
{
if (user == null)
throw new ArgumentNullException("Invalid user!");
if (string.IsNullOrEmpty(user.Username))
throw new InvalidUserException("No username provided!");
if (string.IsNullOrEmpty(user.Password))
throw new InvalidUserException("No password provided!");
if (string.IsNullOrEmpty(user.Email))
throw new InvalidUserException("No email provided");
if (Exist(user.Username))
throw new RegistrationException("User already exists!");
try
{
CreateUser(user);
}
catch (Exception)
{
// TODO: user logger
throw;
}
currentUser = user;
}
/// <summary>
/// Determines whether the specified user is valid.
/// </summary>
/// <param name="user">The user.</param>
/// <returns></returns>
/// <exception cref="UserException">
/// User does not exist!
/// or
/// Invalid username!
/// or
/// Invalid password!
/// </exception>
private bool IsValid(User user)
{
if (user == null)
return false;
var dbUser = userDao.FindById(user.Username);
if (dbUser == null)
throw new InvalidUserException("User does not exist!");
if (!user.Username.Equals(dbUser.Username))
throw new LoginException("Invalid username!");
if (!user.Password.Equals(dbUser.Password))
throw new LoginException("Invalid password!");
return true;
}
public UserLoginViewModel(User user, IManager manager)
{
this.user = user;
this.manager = manager;
ConfigureValidation();
}
/// <summary>
/// Initializes a new instance of the <see cref="UserLoginViewModel"/> class.
/// </summary>
public UserLoginViewModel(IManager manager)
{
this.user = new User();
this.manager = manager;
ConfigureValidation();
}
