/// <summary>
/// Processes old XML Schema and incrementally updates them to the current running version
/// </summary>
static void ProcessSchema(Version NewVersion)
{
Version runningVersion = null;
if (XmlJournal.Element("Journal").Attribute("Schema") != null)
{
Version.TryParse(XmlJournal.Element("Journal").Attribute("Schema").Value, out runningVersion);
}
if (runningVersion == null && NewVersion == new Version(1, 1, 0))
{
TShockAPI.Log.ConsoleInfo("seconomy xml: upgrading xml schema to v1.1.0");
foreach (XElement bankAccount in XmlJournal.XPathSelectElements("/Journal/BankAccounts/BankAccount"))
{
//assign a new bank account ID
string newId = RandomString(8);
string oldID = bankAccount.Attribute("BankAccountK").Value;
bankAccount.Attribute("BankAccountK").SetValue(newId);
foreach (XElement transElement in XmlJournal.XPathSelectElements(string.Format("/Journal/Transactions/Transaction[@BankAccountFK={0}]", oldID)))
{
transElement.Attribute("BankAccountFK").SetValue(newId);
}
}
if (XmlJournal.Element("Journal").Attribute("Schema") == null)
{
XmlJournal.Element("Journal").Add(new XAttribute("Schema", NewVersion.ToString()));
}
else
{
XmlJournal.Element("Journal").Attribute("Schema").SetValue(NewVersion.ToString());
}
SaveXml(Configuration.JournalPath);
}
if (runningVersion != null && runningVersion != new Version(1, 2, 0))
{
TShockAPI.Log.ConsoleInfo("seconomy xml: upgrading xml schema to v1.2.0");
XmlJournal.Declaration = new XDeclaration("1.0", "utf-8", "yes");
if (XmlJournal.Element("Journal").Attribute("Schema") == null)
{
XmlJournal.Element("Journal").Add(new XAttribute("Schema", NewVersion.ToString()));
}
else
{
XmlJournal.Element("Journal").Attribute("Schema").SetValue(NewVersion.ToString());
}
SaveXml(Configuration.JournalPath);
}
}
/// <summary>
/// Adds an XTransaction to the transactions collection.
/// </summary>
public static XTransaction AddTransaction(XTransaction Transaction)
{
lock (__staticLock) {
Transaction.BankAccountTransactionK = RandomString(8);
XmlJournal.XPathSelectElement("/Journal/Transactions").Add((XElement)Transaction);
return(Transaction);
}
}
/// <summary>
/// Adds an XBankAccount to the bank account collection.
/// </summary>
public static XBankAccount AddBankAccount(XBankAccount Account)
{
lock (__staticLock) {
Account.BankAccountK = RandomString(8);
XmlJournal.XPathSelectElement("/Journal/BankAccounts").Add((XElement)Account);
return(Account);
}
}
/// <summary>
/// Loads a journal from file.
/// </summary>
public static void LoadFromXmlFile(string Path)
{
TShockAPI.Log.ConsoleInfo("seconomy xml: Loading journal");
try {
byte[] fileData = File.ReadAllBytes(Path);
TShockAPI.Log.ConsoleInfo("seconomy xml: decompressing the journal");
byte[] uncompressedData = GZipDecompress(fileData);
TShockAPI.Log.ConsoleInfo(string.Format("seconomy xml: gz {0} Kbytes -> {1} Kbytes", fileData.Length / 1024, uncompressedData.Length / 1024));
//You can't use XDocument.Parse when you have an XDeclaration for some even dumber reason than the write
//issue, XDocument has to be constructed from a .net 3.5 XmlReader in this case
//or you get a parse exception complaining about literal content.
using (MemoryStream ms = new MemoryStream(uncompressedData)) {
using (XmlTextReader xmlStream = new XmlTextReader(ms)) {
XmlJournal = XDocument.Load(xmlStream);
}
}
var accountCount = XmlJournal.XPathEvaluate("count(/Journal/BankAccounts/BankAccount)");
var tranCount = XmlJournal.XPathEvaluate("count(/Journal/Transactions/Transaction)");
//Used for XML Schema updates, make sure everyone is running on the same data structure
ProcessSchema(XmlSchemaVersion);
TShockAPI.Log.ConsoleInfo(string.Format("seconomy xml: Load clean: {0} accounts and {1} trans.", accountCount, tranCount));
} catch (Exception ex) {
if (ex is System.IO.FileNotFoundException || ex is System.IO.DirectoryNotFoundException)
{
TShockAPI.Log.ConsoleError("seconomy xml: Cannot find file or directory. Creating new one.");
XmlJournal = NewJournal();
SaveXml(Path);
}
else if (ex is System.Security.SecurityException)
{
TShockAPI.Log.ConsoleError("seconomy xml: Access denied reading file " + Path);
}
else
{
TShockAPI.Log.ConsoleError("seconomy xml: error " + ex.ToString());
}
}
}
/// <summary>
/// Deletes all transactions for an account, effectively returning their balance back to 0.
/// </summary>
public static void ResetAccountTransactions(string BankAccountK)
{
lock (__staticLock) {
do
{
XElement trans = XmlJournal.XPathSelectElement(string.Format("/Journal/Transactions/Transaction[@BankAccountFK=\"{0}\"]", BankAccountK));
if (trans == null)
{
break;
}
var sourceTransactionFK = trans.Attribute("BankAccountTransactionFK").Value;
XElement sourceTrans = XmlJournal.XPathSelectElement(string.Format("/Journal/Transactions/Transaction[@BankAccountTransactionK=\"{0}\"]", sourceTransactionFK));
trans.Remove();
sourceTrans.Remove();
} while (true);
XBankAccount account = GetBankAccount(BankAccountK);
account.SyncBalanceAsync();
}
}