/// <summary>
/// This function deletes all the user's currently saved stocks and calls the
/// database manager to add rows in the table for each of the stocks selected to
/// save effectively replacing old entries with new. does not add anything if the
/// stocks list is empty, but it will still delete all currently saved stocks (if any).
/// </summary>
/// <param name="stocks">List of all stock ID's to add to the current User's saved
/// stocks list. if empty, currently saved stocks are deleted and none are added.</param>
public void saveNewStocks(List <int> stocks)
{
cDatabaseManager db = new cDatabaseManager();
db.deleteStocksForUser(cUser.UserID);
if (stocks.Count > 0)
{
db.saveStocksForUser(stocks, cUser.UserID);
}
}
/// <summary>
/// Called when the add stock button is pressed. If the user has
/// less than 20 stocks already saved, the add stock window appears
/// and the user can select a new stock to add to their favorites list.
/// </summary>
/// <param name="sender">Default param.</param>
/// <param name="e">Default param.</param>
private void btn_AddStock_Click(object sender, EventArgs e)
{
if (gridView_SavedStocks.Rows.Count < 20) //if user has less than 20 stocks saved
{
fAddStock add = new fAddStock();
if (add.ShowDialog() == DialogResult.OK) //open new stock window, check for close OK (no cancel)
{
cDatabaseManager db = new cDatabaseManager();
List <int> save_stocks = new List <int>();
save_stocks.Add(add.sID); //get selected stock id from add stock window
db.saveStocksForUser(save_stocks, cUser.UserID); //save it to db
updateSavedStocksGrid(); // update stock grid to reflect changes
}
}
else
{
//more than 20 stocks saved
MessageBox.Show("Cannot save more than 20 stocks", "Stop");
}
}