private void SaveAccount(Account account)
{
// Add the account ID to the index
List<Guid> accountIDs = ReadIndex(account.AccountType);
if (!accountIDs.Contains(account.AccountID)) {
accountIDs.Add(account.AccountID);
SaveIndex(accountIDs, account.AccountType);
}
AccountXElementAdapter adapter = new AccountXElementAdapter();
XElement xmlElement = adapter.ToXElement(account);
Uri accountUri = new Uri("/Accounts/" + account.AccountID.ToString() + ".xml", UriKind.Relative);
using (Package package = ZipPackage.Open(this.FilePath, System.IO.FileMode.OpenOrCreate)) {
// Either get the existing PackagePart or create a new one
PackagePart accountPart = null;
if (package.PartExists(accountUri)) {
accountPart = package.GetPart(accountUri);
} else {
accountPart = package.CreatePart(accountUri, "text/xml");
}
// Now write the account, overwriting whatever was there previously
// Note: If concurrency checks were to be implemented (at this stage, they wouldn't
// make much sense as TrialBalance is a single-user application) they should be
// implemented here.
using (StreamWriter sw = new StreamWriter(accountPart.GetStream())) {
sw.Write(xmlElement.ToString());
}
}
}
private Account ReadAccount(Guid accountId)
{
Account result = null;
Uri accountUri = new Uri("/Accounts/" + accountId.ToString() + ".xml", UriKind.Relative);
using (Package package = ZipPackage.Open(this.FilePath, System.IO.FileMode.OpenOrCreate)) {
if (package.PartExists(accountUri)) {
PackagePart accountPart = package.GetPart(accountUri);
using (StreamReader reader = new StreamReader(accountPart.GetStream())) {
XElement xml = XElement.Load(reader);
AccountXElementAdapter adapter = new AccountXElementAdapter();
result = adapter.FromXElement(xml);
}
}
}
return result;
}