public GncCommodity(GncBook book, XElement xml)
: this(book)
{
_space = xml.ChkElement(GncName.Cmdty("space")).Value;
_name = xml.ChkElement(GncName.Cmdty("id")).Value;
_identifier = MakeIdentifier(_space, _name);
}
public static string MakeIdentifier(XElement xml)
{
if (xml == null)
{
return(null);
}
else
{
return(MakeIdentifier(xml.ChkElement(GncName.Cmdty("space")).Value, xml.ChkElement(GncName.Cmdty("id")).Value));
}
}
public GncSplit(GncTransaction transaction, XElement xml)
: this(transaction)
{
_guid = xml.ChkElement(GncName.Split("id")).Value;
//_reconciled = xml.ChkElement(GncName.Split("reconciled-state")).Value;
_accountGuid = xml.ChkElement(GncName.Split("account")).Value;
_memo = xml.ValueOrDefault(GncName.Split("memo"), (string)null);
try
{
_value = xml.ChkElement(GncName.Split("value")).Value.ToGncDecimal();
_quantity = xml.ChkElement(GncName.Split("quantity")).Value.ToGncDecimal();
}
catch (Exception e)
{
throw new Exception($"Could not read quantity for split {_guid}, account {_accountGuid}: {e.Message}", e);
}
}
public GncAccount(GncBook book, XElement xml)
: this(book)
{
_name = xml.ChkElement(GncName.Act("name")).Value;
_guid = xml.ChkElement(GncName.Act("id")).Value;
_parentGuid = xml.ValueOrDefault(GncName.Act("parent"), (string)null);
_commodity = book.GetCommodity(GncCommodity.MakeIdentifier(xml.Element(GncName.Act("commodity"))));
if (_commodity == null && xml.Element(GncName.Act("type"))?.Value == "ROOT")
{
_commodity = _book.BaseCurrency;
}
string scu = xml.ValueOrDefault(GncName.Act("commodity-scu"), "1");
_commodityDecimals = scu.Count(c => c == '0');
if (scu != "1" + new string('0', _commodityDecimals))
{
throw new Exception("Could not parse commodity-scu: expected a power of 10.");
}
_commodityScu = int.Parse(scu);
_description = xml.ValueOrDefault(GncName.Act("description"), (string)null);
}
public void LoadFromFile(string file, string baseCurrency, string balsnapPrefix)
{
Clear();
_balsnapPrefix = balsnapPrefix;
XDocument doc;
_modifiedTimestamp = File.GetLastWriteTimeUtc(file);
try
{
using (var gz = new GZipStream(File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read), CompressionMode.Decompress))
using (var sr = new StreamReader(gz))
doc = XDocument.Load(sr);
}
catch
{
try { doc = XDocument.Load(file); }
catch (Exception E) { throw new GncException("Cannot parse XML file: " + E.Message); }
}
if (doc.Root.Name != "gnc-v2")
{
throw new GncException("Cannot load file: root node name is not \"gnc-v2\"");
}
foreach (var el in doc.Root.Elements(GncName.Gnc("book")))
{
GncBook book = new GncBook(this, el, baseCurrency);
_books.Add(book.Guid, book);
if (Book == null)
{
_book = book;
}
else
{
throw new GncException("Multiple books in the file; this is currently entirely untested.");
}
}
}
public GncTransaction(GncBook book, XElement xml)
: this(book)
{
_guid = xml.ChkElement(GncName.Trn("id")).Value;
_datePosted = DateTimeOffset.Parse(xml.ChkElement(GncName.Trn("date-posted")).ChkElement(GncName.Ts("date")).Value).Date.AssumeUtc();
_dateEntered = DateTimeOffset.Parse(xml.ChkElement(GncName.Trn("date-entered")).ChkElement(GncName.Ts("date")).Value).UtcDateTime;
_num = xml.ValueOrDefault(GncName.Trn("num"), "");
_description = xml.ChkElement(GncName.Trn("description")).Value;
_commodity = _book.GetCommodity(GncCommodity.MakeIdentifier(xml.ChkElement(GncName.Trn("currency"))));
foreach (var el in xml.ChkElement(GncName.Trn("splits")).Elements(GncName.Trn("split")))
{
try
{
GncSplit split = new GncSplit(this, el);
_splits.Add(split.Guid, split);
}
catch (Exception e)
{
throw new Exception($"Could not read split for transaction: {_datePosted}, descr {_description}, {e.Message} ({_guid})", e);
}
}
}
public GncBook(GncSession session, XElement xml, string baseCurrency)
: this(session, baseCurrency)
{
_guid = xml.ChkElement(GncName.Book("id")).Value;
foreach (var cmdtyXml in xml.Elements(GncName.Gnc("commodity")))
{
GncCommodity cmdty = new GncCommodity(this, cmdtyXml);
_commodities.Add(cmdty.Identifier, cmdty);
}
foreach (var acctXml in xml.Elements(GncName.Gnc("account")))
{
GncAccount acct = new GncAccount(this, acctXml);
_accounts.Add(acct.Guid, acct);
}
foreach (var transXml in xml.Elements(GncName.Gnc("transaction")))
{
GncTransaction trans = new GncTransaction(this, transXml);
_transactions.Add(trans.Guid, trans);
foreach (var split in trans.EnumSplits())
{
_splits.Add(split.Guid, split);
}
}
// Price DB
{
var pel = xml.ChkElement(GncName.Gnc("pricedb"));
foreach (var priceXml in pel.Elements("price"))
{
var cmdty = new GncCommodity(null, priceXml.ChkElement(GncName.Price("commodity")));
var ccy = new GncCommodity(null, priceXml.ChkElement(GncName.Price("currency")));
DateTime timepoint = GncUtil.ParseGncDate(priceXml.ChkElement(GncName.Price("time")).ChkElement(GncName.Ts("date")).Value);
string source = priceXml.ChkElement(GncName.Price("source")).Value;
decimal value;
try
{
value = priceXml.ChkElement(GncName.Price("value")).Value.ToGncDecimal();
if (value == 0)
{
continue; // GnuCash sometimes adds 0 for prices
}
}
catch (Exception e)
{
_session.Warn($"Could not read commodity price {cmdty.Identifier}/{ccy.Identifier}, on {timepoint.ToShortDateString()}, source {source}: {e.Message}");
continue;
}
if (!_commodities.ContainsKey(cmdty.Identifier))
{
_commodities.Add(cmdty.Identifier, new GncCommodity(this, identifier: cmdty.Identifier, name: cmdty.Identifier));
}
if (cmdty.Identifier == _baseCurrencyId)
{
_commodities[ccy.Identifier].ExRate[timepoint] = 1m / value;
}
else if (ccy.Identifier == _baseCurrencyId)
{
_commodities[cmdty.Identifier].ExRate[timepoint] = value;
}
else if (source != "user:xfer-dialog")
{
// Ignore and warn
//_session.Warn("Ignoring commodity price {0}/{1}, on {3}, source {4}, as it is not linked to the base currency ({2})".Fmt(cmdty.Identifier, ccy.Identifier, _baseCurrencyId, timepoint.ToShortDateString(), source));
}
// Otherwise just ignore completely
}
// Always add 1.0 to the base currency ExRate curve to make it more like the others
_commodities[_baseCurrencyId].ExRate[new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc)] = 1;
}
rebuildCacheAccountChildren();
rebuildCacheAccountSplits();
rebuildCacheAccountAllBalances();
verifyBalsnaps();
verifyCurrencies();
}