public static List <SWIFTStatement> Serialize(string STA, string Account)
{
int LineCounter = 0;
string swiftTag = "";
string swiftData = "";
SWIFTStatements = new List <SWIFTStatement>();
SWIFTStatement = null;
if (STA == null || STA.Length == 0)
{
return(SWIFTStatements);
}
string documents = "", dir = "";
documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
dir = Path.Combine(documents, Program.Buildname);
dir = Path.Combine(dir, "STA");
string filename = Path.Combine(dir, Helper.MakeFilenameValid(Account + "_" + DateTime.Now + ".STA"));
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
// STA
if (!File.Exists(filename))
{
using (File.Create(filename))
{ };
File.AppendAllText(filename, STA);
}
else
{
File.AppendAllText(filename, STA);
}
while (STA.Length > 0)
{
string line = Read(ref STA);
LineCounter++;
if ((line.Length > 0) && (!line.StartsWith("-")))
{
// A swift chunk starts with a swiftTag, which is between colons
if (line.StartsWith(":"))
{
// Process previously read swift chunk
if (swiftTag.Length > 0)
{
Data(swiftTag, swiftData);
}
int posColon = line.IndexOf(":", 2);
swiftTag = line.Substring(1, posColon - 1);
swiftData = line.Substring(posColon + 1);
}
else
{
// The swift chunk is spread over several lines
swiftData = swiftData + line;
}
}
}
if (swiftTag.Length > 0)
{
Data(swiftTag, swiftData);
}
// If there are remaining unprocessed statements - add them
if (SWIFTStatement != null)
{
SWIFTStatements.Add(SWIFTStatement);
SWIFTStatement = null;
}
// Parse SEPA purposes
foreach (var stmt in SWIFTStatements)
{
foreach (var tx in stmt.SWIFTTransactions)
{
if (string.IsNullOrWhiteSpace(tx.description))
{
continue;
}
// Collect all occuring SEPA purposes ordered by their position
List <Tuple <int, SWIFTTransaction.SEPAPurpose> > indices = new List <Tuple <int, SWIFTTransaction.SEPAPurpose> >();
foreach (SWIFTTransaction.SEPAPurpose sepaPurpose in Enum.GetValues(typeof(SWIFTTransaction.SEPAPurpose)))
{
string prefix = $"{sepaPurpose}+";
var idx = tx.description.IndexOf(prefix);
if (idx >= 0)
{
indices.Add(Tuple.Create(idx, sepaPurpose));
}
}
indices = indices.OrderBy(v => v.Item1).ToList();
// Then get the values
for (int i = 0; i < indices.Count; i++)
{
var beginIdx = indices[i].Item1 + $"{indices[i].Item2}+".Length;
var endIdx = i < indices.Count - 1 ? indices[i + 1].Item1 : tx.description.Length;
var value = tx.description.Substring(beginIdx, endIdx - beginIdx);
tx.SEPAPurposes[indices[i].Item2] = value;
}
}
}
if (Trace.Enabled)
{
foreach (SWIFTStatement statement in SWIFTStatements)
{
var ID = statement.id;
var Date = statement.date.ToShortDateString();
var AccountCode = statement.accountCode;
var BanksortCode = statement.bankCode;
var Currency = statement.currency;
var StartBalance = statement.startBalance.ToString();
var EndBalance = statement.endBalance.ToString();
foreach (SWIFTTransaction transaction in statement.SWIFTTransactions)
{
var PartnerName = transaction.partnerName;
var AccountCode_ = transaction.accountCode;
var BankCode = transaction.bankCode;
var Description = transaction.description;
var Text = transaction.text;
var TypeCode = transaction.typecode;
var Amount = transaction.amount.ToString();
var UMS = "++STARTUMS++" + "ID: " + ID + " ' " +
"Date: " + Date + " ' " +
"AccountCode: " + AccountCode + " ' " +
"BanksortCode: " + BanksortCode + " ' " +
"Currency: " + Currency + " ' " +
"StartBalance: " + StartBalance + " ' " +
"EndBalance: " + EndBalance + " ' " +
"PartnerName: " + PartnerName + " ' " +
"BankCode: " + BankCode + " ' " +
"Description: " + Description + " ' " +
"Text: " + Text + " ' " +
"TypeCode: " + TypeCode + " ' " +
"Amount: " + Amount + " ' " + "++ENDUMS++";
dir = Path.Combine(documents, Program.Buildname);
dir = Path.Combine(dir, "MT940");
string filename_ = Path.Combine(dir, Helper.MakeFilenameValid(Account + "_" + DateTime.Now + ".MT940"));
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
// MT940
if (!File.Exists(filename_))
{
using (File.Create(filename_))
{ };
File.AppendAllText(filename_, UMS);
}
else
{
File.AppendAllText(filename_, UMS);
}
}
}
}
return(SWIFTStatements);
}
private static void Data(string swiftTag, string swiftData)
{
if (SWIFTStatement != null)
{
SWIFTStatement.lines.Add(new SWIFTLine(swiftTag, swiftData));
}
if (swiftTag == "OS")
{
// Ignore
}
else if (swiftTag == "20")
{
// 20 is used for each "page" of the SWIFTStatement; but we want to put all SWIFTTransactions together
// the whole SWIFTStatement closes with 62F
if (SWIFTStatement == null)
{
SWIFTStatement = new SWIFTStatement();
SWIFTStatement.lines.Add(new SWIFTLine(swiftTag, swiftData));
}
}
else if (swiftTag == "25")
{
int posSlash = swiftData.IndexOf("/");
SWIFTStatement.bankCode = swiftData.Substring(0, posSlash);
SWIFTStatement.accountCode = LTrim(swiftData.Substring(posSlash + 1));
}
else if (swiftTag.StartsWith("60"))
{
// 60M is the start balance on each page of the SWIFTStatement.
// 60F is the start balance of the whole SWIFTStatement.
// First character is D or C
int DebitCreditIndicator = (swiftData[0] == 'D' ? -1 : +1);
// Next 6 characters: YYMMDD
// Next 3 characters: Currency
// Last characters: Balance with comma for decimal point
SWIFTStatement.currency = swiftData.Substring(7, 3);
decimal balance = DebitCreditIndicator * Convert.ToDecimal(swiftData.Substring(10).Replace(",",
Thread.CurrentThread.CurrentCulture.NumberFormat.CurrencyDecimalSeparator));
// We only want to use the first start balance
if (swiftTag == "60F")
{
SWIFTStatement.startBalance = balance;
SWIFTStatement.endBalance = balance;
}
else
{
// Check if the balance inside the SWIFTStatement is valid
// Check it fits the balance of the previous page
if (Convert.ToDecimal(Math.Round(SWIFTStatement.endBalance, 2)) != Convert.ToDecimal(balance))
{
return;
}
}
}
else if (swiftTag == "28C")
{
// this contains the number of the SWIFTStatement and the number of the page
// only use for first page
if (SWIFTStatement.SWIFTTransactions.Count == 0)
{
if (swiftData.IndexOf("/") != -1)
{
SWIFTStatement.id = swiftData.Substring(0, swiftData.IndexOf("/"));
}
else
{
// Realtime SWIFTStatement.
// Not use SWIFTStatement number 0, because Sparkasse has 0/1 for valid SWIFTStatements
SWIFTStatement.id = string.Empty;
}
}
}
else if (swiftTag == "61")
{
// If there is no SWIFTStatement available, create one
if (SWIFTStatement == null)
{
SWIFTStatement = new SWIFTStatement();
SWIFTStatement.lines.Add(new SWIFTLine(swiftTag, swiftData));
}
SWIFTTransaction SWIFTTransaction = new SWIFTTransaction();
// Valuta date (YYMMDD)
try
{
SWIFTTransaction.valueDate = new DateTime(2000 + Convert.ToInt32(swiftData.Substring(0, 2)),
Convert.ToInt32(swiftData.Substring(2, 2)),
Convert.ToInt32(swiftData.Substring(4, 2)));
}
catch (ArgumentOutOfRangeException)
{
// we have had the situation in the bank file with a date 30 Feb 2010.
// probably because the instruction by the donor is to transfer the money on the 30 day each month
// use the last day of the month
int year = 2000 + Convert.ToInt32(swiftData.Substring(0, 2));
int month = Convert.ToInt32(swiftData.Substring(2, 2));
int day = DateTime.DaysInMonth(year, month);
SWIFTTransaction.valueDate = new DateTime(year, month, day);
}
swiftData = swiftData.Substring(6);
if (char.IsDigit(swiftData[0]))
{
// Posting date (MMDD)
int year = SWIFTTransaction.valueDate.Year;
int month = Convert.ToInt32(swiftData.Substring(0, 2));
int day = Convert.ToInt32(swiftData.Substring(2, 2));
// Posting date 30 Dec 2017, Valuta date 1 Jan 2018
if (month > SWIFTTransaction.valueDate.Month && month == SWIFTTransaction.valueDate.AddMonths(-1).Month)
{
year--;
}
// Posting date 1 Jan 2018, Valuta date 30 Dec 2017
else if (month < SWIFTTransaction.valueDate.Month && month == SWIFTTransaction.valueDate.AddMonths(1).Month)
{
year++;
}
SWIFTTransaction.inputDate = new DateTime(year, month, day);
swiftData = swiftData.Substring(4);
}
else
{
SWIFTTransaction.inputDate = SWIFTTransaction.valueDate;
}
// Debit or credit, or storno debit or credit
int debitCreditIndicator = 0;
if (swiftData[0] == 'R')
{
// Storno means: reverse the debit credit flag
debitCreditIndicator = (swiftData[1] == 'D' ? 1 : -1);
swiftData = swiftData.Substring(2);
}
else
{
debitCreditIndicator = (swiftData[0] == 'D' ? -1 : 1);
swiftData = swiftData.Substring(1);
}
// Sometimes there is something about currency
if (Char.IsLetter(swiftData[0]))
{
// Just skip it for the moment
swiftData = swiftData.Substring(1);
}
// The amount, finishing with N
SWIFTTransaction.amount =
debitCreditIndicator * Convert.ToDecimal(swiftData.Substring(0, swiftData.IndexOf("N")).Replace(",",
Thread.CurrentThread.CurrentCulture.NumberFormat.CurrencyDecimalSeparator));
SWIFTStatement.endBalance += SWIFTTransaction.amount;
swiftData = swiftData.Substring(swiftData.IndexOf("N"));
// Geschaeftsvorfallcode
swiftData = swiftData.Substring(4);
// The following sub fields are ignored
// Optional: customer reference; ends with //
// Optional: bank reference; ends with CR/LF
// Something else about original currency and SWIFTTransaction fees
SWIFTStatement.SWIFTTransactions.Add(SWIFTTransaction);
}
else if (swiftTag == "86")
{
SWIFTTransaction SWIFTTransaction = SWIFTStatement.SWIFTTransactions[SWIFTStatement.SWIFTTransactions.Count - 1];
// Geschaeftsvorfallcode
SWIFTTransaction.typecode = swiftData.Substring(0, 3);
swiftData = swiftData.Substring(3);
if (swiftData.Length == 0)
{
return;
}
char separator = swiftData[0];
swiftData = swiftData.Substring(1);
string[] elements = swiftData.Split(new char[] { separator });
string lastDescriptionSubfield = string.Empty;
foreach (string element in elements)
{
int key = 0;
string value = element;
try
{
key = Convert.ToInt32(element.Substring(0, 2));
value = element.Substring(2);
}
catch
{
// If there is a question mark in the description, then we get here
}
if (key == 0)
{
// Buchungstext
SWIFTTransaction.text = value;
}
else if (key == 10)
{
// Primanotennummer
}
else if ((key >= 11) && (key <= 19))
{
// Ignore
// Unknown meaning
}
else if ((key >= 20) && (key <= 29))
{
// No space between description lines
SWIFTTransaction.description += value;
AssignDescriptionSubField(SWIFTTransaction, value, ref lastDescriptionSubfield);
}
else if (key == 30)
{
SWIFTTransaction.bankCode = value;
}
else if (key == 31)
{
SWIFTTransaction.accountCode = value;
}
else if ((key == 32) || (key == 33))
{
SWIFTTransaction.partnerName += value;
}
else if (key == 34)
{
// Textschlüsselergänzung
}
else if ((key == 35) || (key == 36))
{
// Empfängername
SWIFTTransaction.description += value;
}
else if ((key >= 60) && (key <= 63))
{
SWIFTTransaction.description += value;
AssignDescriptionSubField(SWIFTTransaction, value, ref lastDescriptionSubfield);
}
else
{
// Unknown key
return;
}
}
}
else if (swiftTag.StartsWith("62"))
{
// 62M: Finish page
// 62F: Finish SWIFTStatement
int debitCreditIndicator = (swiftData[0] == 'D' ? -1 : 1);
swiftData = swiftData.Substring(1);
// Posting date YYMMDD
DateTime postingDate = new DateTime(2000 + Convert.ToInt32(swiftData.Substring(0, 2)),
Convert.ToInt32(swiftData.Substring(2, 2)),
Convert.ToInt32(swiftData.Substring(4, 2)));
swiftData = swiftData.Substring(6);
// Currency
swiftData = swiftData.Substring(3);
// Sometimes, this line is the last line, and it has -NULNULNUL at the end
if (swiftData.Contains("-\0"))
{
swiftData = swiftData.Substring(0, swiftData.IndexOf("-\0"));
}
// End balance
decimal shouldBeBalance = debitCreditIndicator * Convert.ToDecimal(swiftData.Replace(",",
Thread.CurrentThread.CurrentCulture.NumberFormat.CurrencyDecimalSeparator));
SWIFTStatement.endBalance = Math.Round(SWIFTStatement.endBalance, 2);
if (Convert.ToDecimal(Math.Round(SWIFTStatement.endBalance, 2)) != Convert.ToDecimal(shouldBeBalance))
{
// End balance does not match
return;
}
if (swiftTag == "62F" || swiftTag == "62M")
{
SWIFTStatement.date = postingDate;
SWIFTStatements.Add(SWIFTStatement);
SWIFTStatement = null;
}
}
else if (swiftTag == "64")
{
// Valutensaldo
}
else if (swiftTag == "65")
{
// Future valutensaldo
}
else
{
// Unknown tag
return;
}
}
public static List <SWIFTStatement> Serialize(string STA, string Account)
{
int LineCounter = 0;
string swiftTag = "";
string swiftData = "";
SWIFTStatements = new List <SWIFTStatement>();
SWIFTStatement = null;
if (STA == null || STA.Length == 0)
{
return(SWIFTStatements);
}
string documents = "", dir = "";
documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
dir = Path.Combine(documents, Program.Buildname);
dir = Path.Combine(dir, "STA");
string filename = Path.Combine(dir, Helper.MakeFilenameValid(Account + "_" + DateTime.Now + ".STA"));
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
// STA
if (!File.Exists(filename))
{
using (File.Create(filename))
{ };
File.AppendAllText(filename, STA);
}
else
{
File.AppendAllText(filename, STA);
}
while (STA.Length > 0)
{
string line = Read(ref STA);
LineCounter++;
if ((line.Length > 0) && (!line.StartsWith("-")))
{
// A swift chunk starts with a swiftTag, which is between colons
if (line.StartsWith(":"))
{
// Process previously read swift chunk
if (swiftTag.Length > 0)
{
Data(swiftTag, swiftData);
}
int posColon = line.IndexOf(":", 2);
swiftTag = line.Substring(1, posColon - 1);
swiftData = line.Substring(posColon + 1);
}
else
{
// The swift chunk is spread over several lines
swiftData = swiftData + line;
}
}
}
if (swiftTag.Length > 0)
{
Data(swiftTag, swiftData);
}
if (Trace.Enabled)
{
foreach (SWIFTStatement statement in SWIFTStatements)
{
var ID = statement.id;
var Date = statement.date.ToShortDateString();
var AccountCode = statement.accountCode;
var BanksortCode = statement.bankCode;
var Currency = statement.currency;
var StartBalance = statement.startBalance.ToString();
var EndBalance = statement.endBalance.ToString();
foreach (SWIFTTransaction transaction in statement.SWIFTTransactions)
{
var PartnerName = transaction.partnerName;
var AccountCode_ = transaction.accountCode;
var BankCode = transaction.bankCode;
var Description = transaction.description;
var Text = transaction.text;
var TypeCode = transaction.typecode;
var Amount = transaction.amount.ToString();
var UMS = "++STARTUMS++" + "ID: " + ID + " ' " +
"Date: " + Date + " ' " +
"AccountCode: " + AccountCode + " ' " +
"BanksortCode: " + BanksortCode + " ' " +
"Currency: " + Currency + " ' " +
"StartBalance: " + StartBalance + " ' " +
"EndBalance: " + EndBalance + " ' " +
"PartnerName: " + PartnerName + " ' " +
"BankCode: " + BankCode + " ' " +
"Description: " + Description + " ' " +
"Text: " + Text + " ' " +
"TypeCode: " + TypeCode + " ' " +
"Amount: " + Amount + " ' " + "++ENDUMS++";
dir = Path.Combine(documents, Program.Buildname);
dir = Path.Combine(dir, "MT940");
string filename_ = Path.Combine(dir, Helper.MakeFilenameValid(Account + "_" + DateTime.Now + ".MT940"));
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
// MT940
if (!File.Exists(filename_))
{
using (File.Create(filename_))
{ };
File.AppendAllText(filename_, UMS);
}
else
{
File.AppendAllText(filename_, UMS);
}
}
}
}
return(SWIFTStatements);
}
