private void UsernameAssessFeasibility()
{
IsDoneEvaluateUserName = false;
UserNameVerifingTextBlockVisibility = Visibility.Visible;
UserNameVerifiedTextBlockVisibility = Visibility.Collapsed;
UserNameAwareTextBlockVisibility = Visibility.Collapsed;
IsUsernameTextBoxEnable = false;
UserNameAwareMessage mes = UserNameAwareMessage.Empty;
UserNameVerifiedTextBlockVisibility = Visibility.Collapsed;
if (string.IsNullOrEmpty(UserNameText))
{
mes = UserNameAwareMessage.Empty;
ShowUsernameAlertMessage(mes);
return;
}
else if (UserNameText.Contains(" "))
{
mes = UserNameAwareMessage.WhiteSpaceAware;
ShowUsernameAlertMessage(mes);
return;
}
else if (UserNameText.IndexOfAny(PharmacyDefinitions.SPECIAL_CHARS_OF_USERNAME) != -1)
{
mes = UserNameAwareMessage.SpecialCharacter;
ShowUsernameAlertMessage(mes);
return;
}
// Last condition for user name
IsUserNameExisted(mes);
}
private void ShowUsernameAlertMessage(UserNameAwareMessage mes)
{
UserNameAwareTextBlockContent = mes.GetStringValue();
UserNameAwareTextBlockVisibility = Visibility.Visible;
IsDoneEvaluateUserName = true;
IsUsernameTextBoxEnable = true;
UserNameVerifingTextBlockVisibility = Visibility.Collapsed;
}
private void IsUserNameExisted(UserNameAwareMessage mes)
{
bool isExisted = false;
SQLQueryCustodian observer = new SQLQueryCustodian((sqlResult) =>
{
try
{
isExisted = Convert.ToBoolean(sqlResult.Result);
if (isExisted)
{
UserNameAwareTextBlockVisibility = Visibility.Visible;
mes = UserNameAwareMessage.UserExisted;
UserNameAwareTextBlockContent = mes.GetStringValue();
}
else
{
UserNameAwareTextBlockVisibility = Visibility.Collapsed;
UserNameVerifiedTextBlockVisibility = Visibility.Visible;
}
IsDoneEvaluateUserName = true;
IsUsernameTextBoxEnable = true;
UserNameVerifingTextBlockVisibility = Visibility.Collapsed;
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
});
DbManager.Instance.ExecuteQueryAsync(SQLCommandKey.CHECK_USER_NAME_EXISTED_CMD_KEY,
1000,
observer,
UserNameText);
}
