public static string AsFinNumberString(this FinNumber finNumber)
{
if (finNumber == null)
{
return(string.Empty);
}
var yearDifference = finNumber.Year > 2000 ? finNumber.Year - 2000 : 0;
return($"FIN-{yearDifference}-{finNumber.SequenceNumber:D4}");
}
public static FinNumber AsInvoiceNumber(this string strFinNumber)
{
FinNumber finNumber = null;
if (strFinNumber.Contains("-"))
{
return(null);
}
var identifier = strFinNumber.Substring(0, 1);
var sequenceNumber = strFinNumber.Substring(1, strFinNumber.Length - 1);
finNumber = new FinNumber
{
TypeIdentifier = identifier,
Year = 0,
SequenceNumber = int.Parse(sequenceNumber)
};
return(finNumber);
}
public static FinNumber AsFinNumber(this string strFinNumber)
{
FinNumber finNumber = null;
if (strFinNumber.Contains("-"))
{
var splitFinNumber = strFinNumber.Trim().Split('-');
var newYear = 0;
if (int.Parse(splitFinNumber[1]) != 0)
{
newYear = int.Parse("20" + splitFinNumber[1]);
}
finNumber = new FinNumber
{
TypeIdentifier = null,
Year = newYear,
SequenceNumber = int.Parse(splitFinNumber[2])
};
}
return(finNumber);
}
private static string ComputeFinNumber(string typeIdentifier, FinNumber finNumber)
{
return($"{typeIdentifier}{finNumber.SequenceNumber:D4}");
}
public static string AsReconFinNumberString(this FinNumber finNumber)
{
return(finNumber == null ? "" : ComputeFinNumber("R", finNumber));
}
public static string AsInvoiceFinNumberString(this FinNumber finNumber)
{
return(finNumber == null ? "" : ComputeFinNumber("I", finNumber));
}