async void LogoutClick(object Sender, EventArgs e)
{
Data.AccountDataAccessService adas = new Data.AccountDataAccessService();
adas.DBConnection.DeleteAll <Model.Login>();
Navigation.InsertPageBefore(new Login(), this);
await Navigation.PopAsync().ConfigureAwait(false); //(Ford,2016)
}
async void AddToDb(object sender, EventArgs e)
{
bool InvalidCredentials = false;
bool error = false;
Regex AccountUser = new Regex("^[a-zA-Z0-9]*$");
Match test = AccountUser.Match(txtAccountName.Text);
if (!test.Success)
{
InvalidCredentials = true;
error = true;
}
test = AccountUser.Match(txtUsername.Text);
if (!test.Success)
{
InvalidCredentials = true;
error = true;
}
Regex UserPass = new Regex("^[a-zA-Z0-9]*$");
test = UserPass.Match(txtPassword.Text);
if (!test.Success)
{
InvalidCredentials = true;
error = true;
}
if (InvalidCredentials == false)
{
Data.Database db = new Data.Database();
error = await db.AddPasswordToDb(txtUsername.Text, txtPassword.Text, txtAccountName.Text, _UserAccount);
}
if (error == false)
{
//notify user the account was added
Data.AccountDataAccessService adas = new Data.AccountDataAccessService();
adas.AddAccount(new Model.Account {
AccountName = Crypto.EncryptToBytes(txtAccountName.Text), Username = Crypto.EncryptToBytes(txtUsername.Text), Password = Crypto.EncryptToBytes(txtPassword.Text)
}); //Seridonio,2016
txtUsername.Text = "";
txtPassword.Text = "";
txtAccountName.Text = "";
lblResult.Text = "Account details saved";
}
else
{
//notify some error occured
lblResult.Text = "Error adding account";
}
}
public void FetchDataAsync()
{
Data.AccountDataAccessService adas = new Data.AccountDataAccessService();
List <Account> list = adas.GetAllAccounts();
List <DecryptedAccount> decryptedList = DecryptList(list);
Accounts = new ObservableCollection <DecryptedAccount>(decryptedList);
}
/// <summary>
/// Button click to update account
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
async void BtnUpdate(object sender, EventArgs e)
{
bool error = false;
Regex UserPass = new Regex("^[a-zA-Z0-9]*$+");
Regex AccountUser = new Regex("^[a-zA-Z0-9]*$+");
bool InvalidCredentials = false;
Match test = AccountUser.Match(txtUsername.Text);
if (!test.Success)
{
InvalidCredentials = true;
error = true;
}
test = UserPass.Match(txtPassword.Text);
if (!test.Success)
{
InvalidCredentials = true;
error = true;
}
if (InvalidCredentials == false)
{
Data.Database db = new Data.Database();
error = await db.UpdateAccount(_UserName, lblAccountName.Text, txtUsername.Text, txtPassword.Text);
}
//connect to DB and send query
if (error == false)
{
//notify user the account was Updated
Data.AccountDataAccessService adas = new Data.AccountDataAccessService();
//resync database
adas.Resync(_UserName);
//go back to main menu
Navigation.InsertPageBefore(new MainPage(_UserName), this);
await Navigation.PopToRootAsync();
}
else
{
//notify some error occured
lblResult.Text = "Error updating account";
}
}
/// <summary>
/// Button click to delete account
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
async void BtnDelete(object sender, EventArgs e)
{
Data.Database db = new Data.Database();
bool error = await db.DeleteAccount(_UserName, lblAccountName.Text);
if (error == false)
{
//notify user the account was added
Data.AccountDataAccessService adas = new Data.AccountDataAccessService();
//resync with the database
adas.Resync(_UserName);
//go back to main menu
Navigation.InsertPageBefore(new MainPage(_UserName), this);
await Navigation.PopToRootAsync();
}
else
{
//notify some error occured
lblResult.Text = "Error deleting account";
}
}
