public static StockHandle CreateStockHandle( string companyName, string isin, string currency )
{
var company = new Company( companyName );
var stock = new Stock( company, isin );
var exchange = new StockExchange( "Xetra", "DE", new Currency( currency, currency ) );
var tradedStock = new TradedStock( stock, exchange );
return new StockHandle( tradedStock );
}
private void AddStock()
{
var stock = new Stock();
stock.Isin = myIsinTxt.Text;
stock.Company = new Company();
stock.Company.Name = myCompanyNameTxt.Text;
var tradedStock = new TradedStock( stock, myTom.StockExchanges.First( se => se.Symbol == "F" ) );
tradedStock.Symbol = mySymbolTxt.Text;
tradedStock.Wpkn = myWpknTxt.Text;
myTom.Stocks.AddObject( stock );
}
protected void AddDummyStock(string isin)
{
var company = new Company( "C" );
var stock = new Stock( company, isin );
var exchange = new StockExchange( "Xetra", "De", new Currency( "Euro", "Euro" ) );
var tradedStock = new TradedStock( stock, exchange );
Interpreter.Context.Scope.Stock = new StockHandle( tradedStock );
}
private void ShowStock( Stock stock )
{
if ( stock.EntityState != EntityState.Detached && stock.EntityState != EntityState.Added )
{
stock.CompanyReference.Load();
stock.TradedStocks.Load();
}
if ( stock.TradedStocks.Count == 0 )
{
throw new ArgumentException( "TradedStock missing" );
}
if ( stock.TradedStocks.Count > 1 )
{
throw new ArgumentException( "Cannot handle multiple TradedStocks" );
}
var tradedStock = stock.TradedStocks.Single();
mySymbolTxt.Text = tradedStock.Symbol;
myWpknTxt.Text = tradedStock.Wpkn;
myCompanyNameTxt.Text = stock.Company.Name;
}
public TradedStock( Stock stock, StockExchange se )
{
Stock = stock;
StockExchange = se;
}
/// <summary>
/// Deprecated Method for adding a new object to the Stocks EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToStocks(Stock stock)
{
base.AddObject("Stocks", stock);
}
/// <summary>
/// Create a new Stock object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="isin">Initial value of the Isin property.</param>
/// <param name="rawType">Initial value of the RawType property.</param>
public static Stock CreateStock(global::System.Int64 id, global::System.String isin, global::System.Int64 rawType)
{
Stock stock = new Stock();
stock.Id = id;
stock.Isin = isin;
stock.RawType = rawType;
return stock;
}
// TODO: dublicate of Functions.Stocks.GetOrCreateStock() but we first need some
// kind of protocol (for user and developer) before we can remove this code here
public StockHandle Create( StockDescriptor stockDescriptor )
{
if ( stockDescriptor.Isin.IsNullOrTrimmedEmpty() )
{
throw new ArgumentException( "Isin not set" );
}
if ( stockDescriptor.StockExchange.IsNullOrTrimmedEmpty() )
{
throw new ArgumentException( "Stock exchange not set" );
}
myLogger.Notice( "Creating stock: {0}", stockDescriptor.Isin );
using ( var tom = Engine.ServiceProvider.CreateEntityRepository() )
{
var tradedStock = tom.TradedStocks.FindTradedStockByDescription( stockDescriptor );
if ( tradedStock != null )
{
var sh = new StockHandle( tradedStock );
myLogger.Info( "Stock already exists: Company = {0},Isin = {1}, Symbol = {2}, Exchange = {3}",
sh.Company.Name, stockDescriptor.Isin, sh.TradedStock.Symbol, stockDescriptor.StockExchange );
return sh;
}
// TODO: this is somehow duplicate code from StockHandle.GetOrCreate - remove StockHandle.GetOrCreate
// ok - so no traded stock available for the given description - but maybe a stock is already there?
var stock = tom.Stocks.FirstOrDefault( s => s.Isin == stockDescriptor.Isin );
if ( stock == null )
{
var companyName = stockDescriptor.Name;
if ( companyName.IsNullOrTrimmedEmpty() )
{
companyName = DatumLocatorDefinitions.Standing.CompanyName.FetchSingle<string>( stockDescriptor.Isin ).Value;
}
// company name is not uniq enough so lets create a new one
var company = new Company( companyName );
stock = new Stock( company, stockDescriptor.Isin );
}
// we got a stock so lets create a traded stock - we already checked that there is none
// but first we need a stockexchange
var se = tom.StockExchanges.FindBySymbolOrName( stockDescriptor.StockExchange );
if ( se == null )
{
throw new InvalidOperationException( "Could not find StockExchange by symbol or name with: " + stockDescriptor.StockExchange );
}
var symbol = stockDescriptor.Symbol;
if ( symbol.IsNullOrTrimmedEmpty() )
{
symbol = DatumLocatorDefinitions.Standing.StockSymbol.FetchSingle<string>( stockDescriptor.Isin ).Value;
}
var wpkn = DatumLocatorDefinitions.Standing.Wpkn.FetchSingle<string>( stockDescriptor.Isin ).Value;
tradedStock = new TradedStock( stock, se );
tradedStock.Symbol = symbol;
tradedStock.Wpkn = wpkn;
tom.TradedStocks.AddObject( tradedStock );
tom.SaveChanges();
myLogger.Info( "Created stock with: Company = {0},Isin = {1}, Symbol = {2}, Exchange = {3}",
stock.Company.Name, stock.Isin, symbol, stockDescriptor.StockExchange );
return new StockHandle( tradedStock );
}
}