public virtual User ValidateUser(string userName, string password, string role)
{
// TO DO: implement a custom UserException to display custom error message
User validatedUser = null;
try
{
AppLogger.logInfo(this.ToString(), "Begin validating user.");
validatedUser = Repository.Get(user =>
user.user_name.Equals(userName, StringComparison.InvariantCultureIgnoreCase) &&
user.role.Equals(role, StringComparison.InvariantCultureIgnoreCase) &&
!user.deleted);
if (validatedUser != null)
{
if (PasswordServiceProvider.Match(userName.ToLowerInvariant(), password, validatedUser.password))
{
AppLogger.logInfo(this.ToString(), string.Format("User name & Password matched."));
}
else
{
validatedUser = null;
AppLogger.logInfo(this.ToString(), string.Format("User name & Password not matched."));
System.Windows.Forms.MessageBox.Show("Mật khẩu không chính xác.", Constants.Messages.ERROR_CAPTION, System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}
else
{
AppLogger.logInfo(this.ToString(), string.Format("User does not exist."));
System.Windows.Forms.MessageBox.Show("Tên người dùng không tồn tại.", Constants.Messages.ERROR_CAPTION, System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
AppLogger.logInfo(this.ToString(), string.Format("Finish validating user.", userName));
}
catch (Exception ex)
{
AppLogger.logError(this.ToString(), "Error occurs when validating user.", ex);
System.Windows.Forms.MessageBox.Show(Constants.Messages.ERROR_OPERATION_NOT_PERFORMED, Constants.Messages.ERROR_CAPTION, System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
return(validatedUser);
}
