/// <summary>
/// Encodes the specified bill information.
/// </summary>
/// <param name="billInfo">The bill information.</param>
/// <returns>The encoded bill information text.</returns>
internal static string Encode(SwicoBillInformation billInfo)
{
StringBuilder sb = new StringBuilder();
sb.Append("//S1");
if (billInfo.InvoiceNumber != null)
{
sb.Append("/10/").Append(EscapedText(billInfo.InvoiceNumber));
}
if (billInfo.InvoiceDate != null)
{
sb.Append("/11/").Append(S1Date(billInfo.InvoiceDate.Value));
}
if (billInfo.CustomerReference != null)
{
sb.Append("/20/").Append(EscapedText(billInfo.CustomerReference));
}
if (billInfo.VatNumber != null)
{
sb.Append("/30/").Append(EscapedText(billInfo.VatNumber));
}
if (billInfo.VatDate != null)
{
sb.Append("/31/").Append(S1Date(billInfo.VatDate.Value));
}
else if (billInfo.VatStartDate != null && billInfo.VatEndDate != null)
{
sb.Append("/31/")
.Append(S1Date(billInfo.VatStartDate.Value))
.Append(S1Date(billInfo.VatEndDate.Value));
}
if (billInfo.VatRate != null)
{
sb.Append("/32/").Append(S1Number(billInfo.VatRate.Value));
}
else if (billInfo.VatRateDetails != null && billInfo.VatRateDetails.Count > 0)
{
sb.Append("/32/");
AppendTupleList(sb, billInfo.VatRateDetails);
}
if (billInfo.VatImportTaxes != null && billInfo.VatImportTaxes.Count > 0)
{
sb.Append("/33/");
AppendTupleList(sb, billInfo.VatImportTaxes);
}
if (billInfo.PaymentConditions != null && billInfo.PaymentConditions.Count > 0)
{
sb.Append("/40/");
AppendTupleList(sb, billInfo.PaymentConditions);
}
return(sb.Length > 4 ? sb.ToString() : null);
}
/// <summary>
/// Retrieves the Swico structured bill information from the text in bill information property.
/// <para>
/// If <see cref="BillInformation"/> contains Swico S1 bill information, the
/// result is returned in a <see cref="SwicoBillInformation"/> instance.
/// Minor errors in the text are silently ignored. If <see cref="BillInformation"/> does not
/// contain Swico bill information or the text has major errors, <c>null</c> is returned.
/// </para>
/// </summary>
/// <returns>structured bill information (or <c>null</c> if no Swico bill information is found)</returns>
/// <remarks>
/// The bill information property likely contains structured bill information if it starts with <c>//S1/</c>.
/// </remarks>
public SwicoBillInformation RetrieveSwicoBillInformation()
{
return(SwicoBillInformation.DecodeText(BillInformation));
}
/// <summary>
/// Sets the bill information according to Swico S1 syntax from the specified structured bill information.
/// <para>
/// Sets the <see cref="BillInformation"/> property to a value similar to <c>//S1/10/...</c>.
/// </para>
/// </summary>
/// <param name="billInformation">structured bill information</param>
public void SetSwicoBillInformation(SwicoBillInformation billInformation)
{
BillInformation = billInformation.EncodeAsText();
}