PureBasic

Build an EDIFACT Email Body

Demonstrates the Chilkat Email.SetEdifactBody method, a convenience that constructs the customary MIME headers and body for sending an EDIFACT message. It sets the body to the EDIFACT content, sets Content-Transfer-Encoding to Base64, sets Content-Type to application/EDIFACT (with a name attribute from the 2nd argument), and sets Content-Disposition to attachment (with a filename from the 3rd argument). The 4th argument is the charset the message is converted to before Base64 encoding. The subject, recipients, and FROM are left unchanged.

Background: EDIFACT is a long-standing international standard for Electronic Data Interchange (EDI) — structured business documents such as purchase orders (ORDERS) and invoices (INVOIC) exchanged between trading partners. Sending EDIFACT over email requires wrapping the payload in a specific set of MIME headers; SetEdifactBody handles that boilerplate so the message is formatted the way EDI systems expect.

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IncludeFile "CkEmail.pb"

Procedure ChilkatExample()

    ;  Demonstrates the SetEdifactBody method, which builds a typical email for sending an
    ;  EDIFACT message.  It sets the body to the EDIFACT content, sets Content-Transfer-Encoding
    ;  to Base64, Content-Type to application/EDIFACT (with a name attribute), and
    ;  Content-Disposition to attachment (with a filename).  The fourth argument is the charset.

    email.i = CkEmail::ckCreate()
    If email.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkEmail::setCkSubject(email, "EDIFACT ORDERS message")
    CkEmail::setCkFrom(email, "edi@example.com")
    CkEmail::ckAddTo(email,"Trading Partner","partner@example.com")

    ;  The EDIFACT message content (an ORDERS interchange, abbreviated here).
    edi.s = "UNA:+.? 'UNB+UNOB:1+SENDER+RECEIVER+260710:1200+1'UNH+1+ORDERS:D:96A:UN'BGM+220+ORD12345+9'UNT+3+1'UNZ+1+1'"

    ;  Build the EDIFACT email body.
    CkEmail::ckSetEdifactBody(email,edi,"order.edi","order.edi","iso-8859-1")

    Debug CkEmail::ckGetMime(email)


    CkEmail::ckDispose(email)


    ProcedureReturn
EndProcedure