public static DatumOrigin GetOrCreate(this IObjectSet <DatumOrigin> origins, string name)
{
var origin = origins.FirstOrDefault(o => o.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
if (origin != null)
{
return(origin);
}
origin = new DatumOrigin(name);
origins.AddObject(origin);
return(origin);
}
/// <summary>
/// Imports the given result into TOM.
/// </summary>
public static void Import( this MauiX.IImport self, StockHandle stock, IResultPolicy result )
{
using ( var tom = Engine.ServiceProvider.CreateEntityRepository() )
{
var originName = result.Sites.First().Name;
var origin = tom.DatumOrigins.FirstOrDefault( o => o.Name == originName );
if ( origin == null )
{
origin = new DatumOrigin( originName );
tom.DatumOrigins.AddObject( origin );
tom.SaveChanges();
}
var currencyName = result.Sites.First().Content.Currency;
var currency = tom.Currencies.FirstOrDefault( c => c.Name == currencyName );
MauiX.Import.Import( stock, result.ResultTable, origin, currency );
}
}
/// <summary>
/// Imports the given table into TOM.
/// <remarks>
/// The values of the table belong to the given origin and the given currency.
/// All rows are owned by the given stock. The table name identifies the datum
/// (and so the target table).
/// </remarks>
/// </summary>
public static void Import( this MauiX.IImport self, StockHandle stock, DataTable table, DatumOrigin origin, Maui.Entities.Currency currency )
{
// XXX: how to handle origin and currency if we allow "merged results"?
// then we actually already need to enrich the result table from the policy
// with origin and currency ...
var tomScripting = Engine.ServiceProvider.TomScripting();
var datum = table.TableName;
using ( TransactionScope trans = new TransactionScope() )
{
// we have a datum so we need the table now
var mgr = tomScripting.GetManager( datum );
if ( mgr == null )
{
throw new Exception( "No table found for datum: " + datum );
}
// get scoped data for owner id
long ownerId = stock.GetId( mgr.Schema.OwnerIdColumn );
ScopedTable output = mgr.Query( ownerId );
var resultColumns = table.Columns.ToSet();
var dateCol = resultColumns.FirstOrDefault( c => c.IsDateColumn() );
// setting date and values depend on the format
Action<DataRow, DataRow> SetValues = null;
// default date setter: assume there is no date
Action<DataRow, DataRow> SetDate = ( dest, src ) => { };
if ( dateCol != null )
{
SetDate = ( dest, src ) => dest.SetDate( mgr.Schema, src.GetDate( dateCol.ColumnName ) );
}
var datumCols = output.Schema.DatumColumns
.Where( col => resultColumns.Any( c => c.ColumnName.Equals( col.ColumnName, StringComparison.OrdinalIgnoreCase ) ) );
SetValues = ( dest, src ) =>
{
foreach ( var col in datumCols )
{
dest[ col.ColumnName ] = src[ col.ColumnName ];
}
};
// ok - now import the data
DateIdCache<long> cache = new DateIdCache<long>();
if ( output.Schema.DateColumn != null )
{
cache.Fill( output );
}
foreach ( DataRow row in table.Rows )
{
var newRow = output.NewRow();
// set owner id
newRow[ output.Schema.OwnerIdColumn ] = ownerId;
// a "datum" always need a date
SetDate( newRow, row );
// set values
SetValues( newRow, row );
// set currency (the value is of no use when there is no currency)
// -> currency might implicitly available through TradedStock->StockExchange
if ( output.Schema.CurrencyColumn != null )
{
newRow[ output.Schema.CurrencyColumn ] = currency.Id;
}
// set origin (optional)
if ( output.Schema.OriginColumn != null )
{
newRow[ output.Schema.OriginColumn ] = origin.Id;
}
if ( output.Schema.DateColumn != null && cache.Contains( newRow.GetDate( output.Schema ) ) )
{
long id = cache[ newRow.GetDate( output.Schema ) ];
output.Update( id, newRow );
}
else
{
output.Add( newRow );
}
}
trans.Complete();
}
}
private static IEnumerable<DatumOrigin> GetOrCreate( params string[] names )
{
using ( var tom = Engine.ServiceProvider.CreateEntityRepository() )
{
foreach ( var name in names )
{
var origin = tom.DatumOrigins.FirstOrDefault( o => o.Name == name );
if ( origin == null )
{
origin = new DatumOrigin( name );
tom.DatumOrigins.AddObject( origin );
}
yield return origin;
}
tom.SaveChanges();
}
}
/// <summary>
/// Deprecated Method for adding a new object to the DatumOrigins EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToDatumOrigins(DatumOrigin datumOrigin)
{
base.AddObject("DatumOrigins", datumOrigin);
}
/// <summary>
/// Create a new DatumOrigin object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="name">Initial value of the Name property.</param>
public static DatumOrigin CreateDatumOrigin(global::System.Int64 id, global::System.String name)
{
DatumOrigin datumOrigin = new DatumOrigin();
datumOrigin.Id = id;
datumOrigin.Name = name;
return datumOrigin;
}
