private int LoadTransaction( StreamReader reader, int lineNumber, Ledger ledger, Account account )
{
Transaction trans = new Transaction();
try
{
LineItem item;
decimal transAmount = 0;
string lineItemCategory = null;
string lineItemMemo = null;
decimal lineItemAmount = 0;
string transCategory = null;
bool isCleared = false;
string checkNumber = null;
string investmentName = null;
string investmentPrice = null;
string investmentShares = null;
string investmentCommission = null;
while( !reader.EndOfStream )
{
string line = reader.ReadLine();
if( line[0] == '^' ) break;
switch( line[0] )
{
case 'D':
// Date
// MM/DD'YYYY
// We handle a bunch of different separators
// TODO: Handle DD/MM/YYYY European form ??
Regex regex = new Regex( "D(\\d+)['.-/]\\s*(\\d+)['.-/]\\s*(\\d+)" );
if( !regex.IsMatch( line ) )
throw new StorageException( "Cannot parse date " + line );
Match match = regex.Match( line );
int month = Int32.Parse( match.Groups[1].Value );
int day = Int32.Parse( match.Groups[2].Value );
int year = Int32.Parse( match.Groups[3].Value );
// Handle two-digit dates which are assumed to be 1900s
if( year < 100 ) year += 1900;
trans.Date = new DateTime( year, month, day );
break;
case 'T':
// Transaction amount (presumably dollars).
// This is actually the amount that involves this account,
// not necessarily the total transaction amount.
// Transactions with splits may have a different total amount.
// Particularly paychecks.
// The transaction total is the sum of the credits.
#region Split transaction sample
// Split sample, as exported from MS Money:
//
// D5/23'2006
// CX
// MPaycheck + cash out
// T384.04 <-- (debit) not the total!
// PEmmanuel Church
// LWages & Salary:Gross Pay-Cyn
// SWages & Salary:Gross Pay-Cyn
// EGross Salary
// $625.33 <-- (credit)
// STaxes:Federal Income
// EFederal
// $-15.45 <-- (debit)
// STaxes:Social Security
// EFica
// $-38.77 <-- (debit)
// STaxes:Medicare Tax 20
// EMedicare
// $-9.07 <-- (debit)
// STaxes:State Income Ta
// EState
// $-18.00 <-- (debit)
// SGroceries
// ECash for groceries
// $-150.00 <-- (debit)
// SCash Withdrawal
// ECash
// $-50.00 <-- (debit)
// SPiano Business
// EStudents?
// $40.00 <-- (credit)
// ^
#endregion
transAmount = Decimal.Parse( line.Substring( 1 ) );
trans.Amount = Math.Abs( transAmount );
break;
case 'C':
// Cleared status
// CX = cleared
if( line[1] == 'X' ) isCleared = true;
break;
case 'N':
// Check number
// If investment account, this is the action: buy, sell, etc.
checkNumber = line.Substring( 1 );
break;
case 'P':
// Payee
trans.Description = line.Substring( 1 );
break;
case 'M':
// Memo
trans.Memo = line.Substring( 1 );
break;
case 'L':
// Category/Account
transCategory = line.Substring( 1 );
break;
case 'S':
// Split line item category (like L above)
// (If there are splits, it changes the meaning of the T amount.)
lineItemCategory = line.Substring( 1 );
lineItemMemo = null;
lineItemAmount = 0;
break;
case 'E':
// Split line item memo (like M above)
lineItemMemo = line.Substring( 1 );
break;
case '$':
// Split line item amount (like T above)
lineItemAmount = Decimal.Parse( line.Substring( 1 ) );
item = BuildLineItem( ledger, trans, lineItemCategory, lineItemMemo, lineItemAmount );
item.IsReconciled = isCleared;
trans.LineItems.Add( item );
break;
// Investment indicators
case 'Y': // security name
investmentName = line.Substring( 1 );
break;
case 'I': // price
investmentPrice = line.Substring( 1 );
break;
case 'Q': // quantity (shares)
investmentShares = line.Substring( 1 );
break;
case 'O': // commission
investmentCommission = line.Substring( 1 );
break;
default:
// Unrecognized - ignore
break;
}
lineNumber++;
} // while
if( trans.LineItems.Count > 0 )
{
// Transaction had splits.
// Add the transaction amount as the final split.
item = BuildLineItem( ledger, trans, transCategory, trans.Memo, -transAmount );
item.Number = checkNumber;
item.Account = account;
item.CategoryObject = null;
item.IsReconciled = isCleared;
trans.LineItems.Add( item );
// Adjust total transaction amount.
trans.Amount = trans.GetCreditLineItemSum();
}
else
{
// No splits. Must create a matching debit and credit.
Account otherAccount;
Category otherCategory;
otherAccount = ParseAccount( ledger, transCategory, transAmount, out otherCategory );
if( transAmount < 0 )
{
// Withdrawal
item = trans.CreateLineItem( TransactionType.Credit, account, Math.Abs( transAmount ), null );
item.Number = checkNumber;
item.IsReconciled = isCleared;
trans.LineItems.Add( item );
item = trans.CreateLineItem( TransactionType.Debit, otherAccount, Math.Abs( transAmount ), otherCategory );
trans.LineItems.Add( item );
}
else
{
// Deposit
item = trans.CreateLineItem( TransactionType.Credit, otherAccount, Math.Abs( transAmount ), otherCategory );
trans.LineItems.Add( item );
item = trans.CreateLineItem( TransactionType.Debit, account, Math.Abs( transAmount ), null );
item.IsReconciled = isCleared;
trans.LineItems.Add( item );
}
}
trans.LineItems.Sort();
trans.Validate();
// Special case "Opening Balance" line:
if( trans.Description == "Opening Balance" && account.GetLineItems().Count == 0 )
{
// The account name is given in the category
account.Name = transCategory.Trim( '[', ']' );
account.StartingBalance = account.IsLiability ? -transAmount : transAmount;
account.StartingDate = trans.Date;
}
else
{
trans.Id = ledger.GetNextTransactionId();
ledger.AddTransaction( trans );
}
}
catch( Exception ex )
{
// Don't add broken transactions
Console.WriteLine( "Error on line number " + lineNumber.ToString() );
Console.WriteLine( ex.ToString() );
throw;
}
return lineNumber;
}
public Ledger LoadLedger()
{
Ledger ledger = new Ledger();
FileInfo fi = new FileInfo( filename );
if( !fi.Exists ) return ledger;
OnlineTransactionStorageXml ostorage = new OnlineTransactionStorageXml();
Version version = new Version( 1, 0 );
// I'm not precisely sure why I chose to parse the XML manually
// instead of using XmlSerializer.
// I guess I just didn't want to markup my classes with Xml tags.
StreamReader reader = File.OpenText( filename );
try
{
XmlTextReader xmlReader = new XmlTextReader( reader );
try
{
while( xmlReader.Read() )
{
switch( xmlReader.NodeType )
{
case XmlNodeType.Element:
switch( xmlReader.Name )
{
case "MergeDate":
ledger.MergeDate = DateTime.Parse( xmlReader.ReadString() );
break;
case "Ledger":
version = new Version( xmlReader.GetAttribute( "Version" ) );
break;
case "Accounts":
break;
case "Account":
Account account = DeserializeAccount( xmlReader, version );
account.Ledger = ledger;
// Verify that we are not adding any duplicate Ids or Names
Account testAccount = ledger.FindAccount( account.Id );
if( testAccount != null )
throw new ApplicationException( "There is already an account with Id " + account.Id );
testAccount = ledger.FindAccount( account.Name );
if( testAccount != null )
throw new ApplicationException( "There is already an account named " + account.Name );
// Passed validation, add the account
ledger.Accounts.Add( account );
break;
case "Transactions":
break;
case "Transaction":
Transaction trans = DeserializeTransaction( xmlReader, version, ledger );
// Migrate from deprecated versions
trans.Migrate( version );
// Validate the transaction
trans.Validate();
if( trans.Id != 0 )
{
// Ensure no other transactions with the same Id are in the ledger
Transaction testTrans = ledger.GetTransaction( trans.Id );
if( testTrans != null )
throw new ApplicationException( "There is already a transaction with Id " + trans.Id );
}
ledger.AddTransaction( trans );
break;
case "MissingOnlineTransactions":
break;
case "OnlineTransaction":
OnlineTransaction otrans = ostorage.DeserializeTransaction( xmlReader, version );
ledger.MissingTransactions.Add( otrans );
break;
case "RecurringTransactions":
break;
case "RecurringTransaction":
RecurringTransaction rtrans = DeserializeRecurringTransaction( xmlReader, version, ledger );
ledger.RecurringTransactions.Add( rtrans );
break;
}
break;
}
}
}
finally
{
xmlReader.Close();
}
}
finally
{
reader.Close();
}
AssignTransactionIdentifiers( ledger );
AssignLineItemIdentifiers( ledger );
ValidateIdentifierLinks( ledger );
ledger.ValidateReferentialIntegrity();
// Set load date so we can determine if data in memory is stale
ledger.LoadDate = DateTime.Now;
return ledger;
}
protected void SubmitPurchase_Click( object sender, EventArgs e )
{
try
{
dataMgr.Lock();
try
{
// TODO: Remove obsolete DataManager code.
// Make sure we have the very latest data file.
ledger = dataMgr.Load( false, false );
// Build a transaction object
Transaction trans = new Transaction();
trans.Id = ledger.GetNextTransactionId();
trans.Date = DateTime.Parse( txtDate.Text );
trans.Amount = Convert.ToDecimal( txtAmount.Text );
trans.Description = txtPayee.Text;
if( txtMemo.Text.Length > 0 ) trans.Memo = txtMemo.Text;
// Populate line items
Account account = ledger.FindAccount( Convert.ToInt32( ddlAccount.SelectedValue ) );
LineItemCredit credit = new LineItemCredit( account, trans.Amount );
credit.Id = ledger.GetNextLineItemId();
credit.Transaction = trans;
if( txtNumber.Text.Length > 0 ) credit.Number = txtNumber.Text;
if( txtMemo.Text.Length > 0 ) credit.Memo = txtMemo.Text;
trans.LineItems.Add( credit );
Account expenseAccount = null;
Category expenseCategory = null;
if( !ledger.ParseCategory( txtCategory.Text, out expenseAccount, out expenseCategory ) )
{
SubmitPurchaseStatusLabel.Text = "The category provided could not be found.";
return;
}
LineItemDebit debit = new LineItemDebit( expenseAccount, trans.Amount );
debit.Id = ledger.GetNextLineItemId();
debit.Transaction = trans;
debit.CategoryObject = expenseCategory;
trans.LineItems.Add( debit );
// Add to ledger and save
ledger.AddTransaction( trans );
// HACK: Removing until we figure out how to fix this...
// ledger.RefreshMissingTransactions();
ledger.SortTransactions();
dataMgr.Save( ledger );
decimal newBalance = account.Balance;
SubmitPurchaseStatusLabel.Text = string.Format( "Transaction #{0} saved. {2} balance {1:N2}.", trans.Id, newBalance, account.Name );
#if DATASTORAGE
try
{
// DataLedger is initialized in BasePage.OnInit
DataLedger.Storage.BeginTransaction();
try
{
IAccount dbaccount = DataLedger.FindAccountByName( account.Name );
if( dbaccount == null )
throw new ApplicationException( "Account " + account.Name + " not found in data storage." );
IAccount dbexpense = DataLedger.FindAccountByName( expenseAccount.Name );
if( dbexpense == null )
throw new ApplicationException( "Expense account " + expenseAccount.Name + " not found in data storage." );
ITransaction dbtrans = DataLedger.Storage.CreateTransaction();
dbtrans.Amount = trans.Amount;
dbtrans.Date = trans.Date;
dbtrans.Memo = trans.Memo;
dbtrans.Payee = trans.Payee;
DataLedger.Storage.SaveTransaction( dbtrans );
ILineItem dbcredit = DataLedger.Storage.CreateLineItem( dbtrans );
dbcredit.AccountId = dbaccount.Id;
dbcredit.Amount = credit.Amount;
dbcredit.Category = null;
dbcredit.Memo = credit.Memo;
dbcredit.Number = credit.Number;
dbcredit.Type = TransactionType.Credit;
DataLedger.Storage.SaveLineItem( dbcredit );
ILineItem dbdebit = DataLedger.Storage.CreateLineItem( dbtrans );
dbdebit.AccountId = dbexpense.Id;
dbdebit.Amount = debit.Amount;
dbdebit.Category = debit.Category;
dbdebit.Type = TransactionType.Debit;
DataLedger.Storage.SaveLineItem( dbdebit );
DataLedger.Storage.CommitTransaction();
DataLedger.RefreshUnmatchedRecords();
}
catch( Exception )
{
DataLedger.Storage.RollbackTransaction();
throw;
}
}
catch( Exception ex )
{
SubmitPurchaseStatusLabel.Text += "<br />An error occurred while saving to data storage: <br /><pre>" + ex.ToString() + "</pre>";
}
#endif
// Reset text boxes
txtNumber.Text = "";
txtAmount.Text = "";
txtPayee.Text = "";
txtMemo.Text = "";
txtCategory.Text = "";
}
finally
{
dataMgr.Unlock();
}
}
catch( LockException ex )
{
SubmitPurchaseStatusLabel.Text = "The data file is in use by '" + ex.LockOwner + "'. Please try again in a moment.";
}
catch( Exception ex )
{
SubmitPurchaseStatusLabel.Text = "An error occurred while saving: " + ex.Message;
}
}
