SQL Server

Extract PDF from General Ledger Transactions XML

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Demonstrates how to extract the base64 data representing a PDF file from a General Ledger Transactions XML. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    --  The General Ledger Transactions XML contains the following:

    --  <?xml version="1.0" encoding="utf-8" ?>
    --  <eExact xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="eExact-XML.xsd">
    --      <GLTransactions>
    --          <GLTransaction entry="100000095">
    --              <TransactionType number="20" />
    --              <Journal type="20" code="VK">
    --                  <Description termid="90003">Verkopen</Description>
    --                  <GLAccount type="20" code="400000" />
    --                  <Currency code="EUR" />
    --              </Journal>
    --              <Date>2022-04-05</Date>
    --              <Document>
    --                  <Subject>100000095</Subject>
    --                  <DocumentType number="10" />
    --                  <Account code="0001" status="C" />
    --                  <Amount>
    --                      <Currency code="EUR" />
    --                      <Value>1382.91</Value>
    --                  </Amount>
    --                  <References>
    --                      <InvoiceNumber>100000095</InvoiceNumber>
    --                  </References>
    --                  <Attachments>
    --                      <Attachment>
    --                          <Name>F_100000095.PDF</Name>
    --                          <BinaryData>BASE64_ENCODED_PDF_BYTES_HERE</BinaryData>
    --                      </Attachment>
    --                  </Attachments>
    --              </Document>
    --              <GLTransactionLine type="20" status="20" line="0" linetype="0">
    --                  <Date>2022-04-05</Date>
    --                  <VATType>S</VATType>
    --                  <FinYear number="2022" />
    --                  <FinPeriod number="4" />
    --                  <GLAccount type="20" code="400000" />
    --                  <Description>100000095</Description>
    --                  <DueDate>2022-05-05</DueDate>
    --                  <Account code="0001" status="C">
    --                      <Name>90 Degrees &amp; co</Name>
    --                  </Account>
    --                  <Amount>
    --                      <Currency code="EUR" />
    --                      <Value>1382.91</Value>
    --                  </Amount>
    --                  <ForeignAmount>
    --                      <Currency code="EUR" />
    --                      <Value>1382.91</Value>
    --                      <Rate>1</Rate>
    --                  </ForeignAmount>
    --                  <References>
    --                      <InvoiceNumber>100000095</InvoiceNumber>
    --                  </References>
    --              </GLTransactionLine>
    --              <PaymentTerms>
    --                  <PaymentTerm entry="100000095" type="20" line="0" paymentMethod="B">
    --                      <Description>20</Description>
    --                      <GLAccount type="20" code="400000" />
    --                      <Amount>
    --                          <Currency code="EUR" />
    --                          <Debit>1382.91</Debit>
    --                          <Credit>0</Credit>
    --                      </Amount>
    --                      <ForeignAmount>
    --                          <Currency code="EUR" />
    --                          <Debit>1382.91</Debit>
    --                          <Credit>0</Credit>
    --                      </ForeignAmount>
    --                      <Reference />
    --                      <YourRef />
    --                      <InvoiceNumber>100000095</InvoiceNumber>
    --                      <InvoiceDate>2022-04-05</InvoiceDate>
    --                      <DueDate>2022-05-05</DueDate>
    --                      <PaymentDate>2022-05-05</PaymentDate>
    --                  </PaymentTerm>
    --              </PaymentTerms>
    --          </GLTransaction>
    --      </GLTransactions>
    --  </eExact>

    DECLARE @xml int
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @xml, 'LoadXmlFile', @success OUT, 'c:/temp/example.xml'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @xml, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xml
        RETURN
      END

    DECLARE @pdfFilename nvarchar(4000)
    EXEC sp_OAMethod @xml, 'GetChildContent', @pdfFilename OUT, 'GLTransactions|GLTransaction|Document|Attachments|Attachment|Name'
    EXEC sp_OAGetProperty @xml, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN

        PRINT 'No XML element at the given path.'
        EXEC @hr = sp_OADestroy @xml
        RETURN
      END


    PRINT 'PDF Filename = ' + @pdfFilename

    DECLARE @binaryDataElem int
    EXEC sp_OAMethod @xml, 'GetChildWithTag', @binaryDataElem OUT, 'GLTransactions|GLTransaction|Document|Attachments|Attachment|BinaryData'
    EXEC sp_OAGetProperty @xml, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN

        PRINT 'No XML element at the given path.'
        EXEC @hr = sp_OADestroy @xml
        RETURN
      END

    --  Decode the base64 data and save to a file.
    EXEC sp_OAMethod @binaryDataElem, 'SaveBinaryContent', @success OUT, @pdfFilename, 0, 0, ''
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @binaryDataElem, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END
    ELSE
      BEGIN

        PRINT 'Success.'
      END

    EXEC @hr = sp_OADestroy @binaryDataElem


    EXEC @hr = sp_OADestroy @xml


END
GO