/// <summary>
/// Serialize a Transaction object to an XML writer.
/// </summary>
/// <param name="xmlWriter">XmlWriter to serialize to.</param>
public void SerializeRecurringTransaction( XmlWriter xmlWriter, RecurringTransaction trans )
{
xmlWriter.WriteStartElement( "RecurringTransaction" );
if( !trans.Enabled )
xmlWriter.WriteAttributeString( "Enabled", "false" );
xmlWriter.WriteWhitespace( Environment.NewLine );
xmlWriter.WriteElementString( "StartingDate", trans.StartingDate.ToShortDateString() );
xmlWriter.WriteWhitespace( Environment.NewLine );
if( trans.EndingDate != DateTime.MaxValue )
{
xmlWriter.WriteElementString( "EndingDate", trans.EndingDate.ToShortDateString() );
xmlWriter.WriteWhitespace( Environment.NewLine );
}
xmlWriter.WriteStartElement( "Interval" );
if( trans.AddMonths > 0 )
xmlWriter.WriteAttributeString( "Months", trans.AddMonths.ToString() );
if( trans.AddDays > 0 )
xmlWriter.WriteAttributeString( "Days", trans.AddDays.ToString() );
xmlWriter.WriteEndElement();
xmlWriter.WriteWhitespace( Environment.NewLine );
SerializeTransactionBody( xmlWriter, trans );
xmlWriter.WriteEndElement(); // </RecurringTransaction>
}
/// <summary>
/// Deserialize from an XML reader into a Transaction object.
/// </summary>
/// <param name="xmlReader">XmlReader to deserialize from.</param>
/// <param name="ledger">Parent Ledger object.</param>
/// <returns>A Transaction object.</returns>
public RecurringTransaction DeserializeRecurringTransaction( XmlReader xmlReader, Version version, Ledger ledger )
{
if( xmlReader.NodeType != XmlNodeType.Element || xmlReader.Name != "RecurringTransaction" )
throw new ApplicationException( "Needs a RecurringTransaction node to deserialize a RecurringTransaction object." );
RecurringTransaction trans = new RecurringTransaction();
if( string.Compare( xmlReader.GetAttribute( "Enabled" ), "false", StringComparison.OrdinalIgnoreCase ) == 0 )
trans.Enabled = false;
bool accountShortcut = false;
LineItem lineItem = null;
while( xmlReader.Read() )
{
Account account = null;
Category category = null;
int accountId = 0;
decimal amount = 0;
string memo = null;
switch( xmlReader.NodeType )
{
case XmlNodeType.Element:
switch( xmlReader.Name )
{
case "StartingDate":
trans.StartingDate = DateTime.Parse( xmlReader.ReadString() );
break;
case "Interval":
string attrib;
attrib = xmlReader.GetAttribute( "Months" );
if( attrib != null ) trans.AddMonths = Convert.ToInt32( attrib );
attrib = xmlReader.GetAttribute( "Days" );
if( attrib != null ) trans.AddDays = Convert.ToInt32( attrib );
break;
case "Date":
trans.Date = DateTime.Parse( xmlReader.ReadString() );
break;
case "Amount":
trans.Amount = Decimal.Parse( xmlReader.ReadString() );
break;
case "Description":
trans.Description = xmlReader.ReadString();
break;
case "Memo":
trans.Memo = xmlReader.ReadString();
break;
case "Credit":
if( accountShortcut )
throw new ArgumentException( "LineItems not expected when using Account/Category elements." );
if( xmlReader.GetAttribute( "AccountId" ) != null )
{
accountId = Int32.Parse( xmlReader.GetAttribute( "AccountId" ) );
account = ledger.FindAccount( accountId );
}
else
{
account = ledger.FindAccount( xmlReader.GetAttribute( "Account" ) );
if( account == null )
throw new ArgumentException( "Reference to undefined account named " + xmlReader.GetAttribute( "Account" ) );
accountId = account.Id;
}
if( xmlReader.GetAttribute( "Category" ) != null )
category = account.GetCategory( xmlReader.GetAttribute( "Category" ) );
if( xmlReader.GetAttribute( "Amount" ) != null )
amount = Decimal.Parse( xmlReader.GetAttribute( "Amount" ) );
else
amount = trans.Amount;
memo = xmlReader.GetAttribute( "Memo" );
lineItem = new LineItemCredit( account, amount, category );
lineItem.Transaction = trans;
lineItem.Memo = memo;
trans.LineItems.Add( lineItem );
break;
case "Debit":
if( accountShortcut )
throw new ArgumentException( "LineItems not expected when using Account/Category elements." );
if( xmlReader.GetAttribute( "AccountId" ) != null )
{
accountId = Int32.Parse( xmlReader.GetAttribute( "AccountId" ) );
account = ledger.FindAccount( accountId );
}
else
{
account = ledger.FindAccount( xmlReader.GetAttribute( "Account" ) );
if( account == null )
throw new ArgumentException( "Reference to undefined account named " + xmlReader.GetAttribute( "Account" ) );
accountId = account.Id;
}
if( xmlReader.GetAttribute( "Category" ) != null )
category = account.GetCategory( xmlReader.GetAttribute( "Category" ) );
if( xmlReader.GetAttribute( "Amount" ) != null )
amount = Decimal.Parse( xmlReader.GetAttribute( "Amount" ) );
else
amount = trans.Amount;
memo = xmlReader.GetAttribute( "Memo" );
lineItem = new LineItemDebit( account, amount, category );
lineItem.Transaction = trans;
lineItem.Memo = memo;
trans.LineItems.Add( lineItem );
break;
default:
break;
}
break;
case XmlNodeType.EndElement:
switch( xmlReader.Name )
{
case "RecurringTransaction":
return trans;
}
break;
}
}
trans.SetUnmodified();
return trans;
}
