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DataFlex Web API Examples

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effectconnect

 

 

 

(DataFlex) PayPal Send Invoice

Sends a PayPal invoice to a customer.

See also Send Invoice

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoJsonToken
    Handle hoSbAuth
    Handle hoRest
    Boolean iBAutoReconnect
    Boolean iSuccess
    Handle hoSbPath
    Integer iNumReplacements
    String sResponseBody
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // Note: Requires Chilkat v9.5.0.64 or greater.

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Load our previously obtained access token. (see PayPal OAuth2 Access Token)
    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonToken
    If (Not(IsComObjectCreated(hoJsonToken))) Begin
        Send CreateComObject of hoJsonToken
    End
    Get ComLoadFile Of hoJsonToken "qa_data/tokens/paypal.json" To iSuccess

    // Build the Authorization request header field value.
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbAuth
    If (Not(IsComObjectCreated(hoSbAuth))) Begin
        Send CreateComObject of hoSbAuth
    End
    // token_type should be "Bearer"
    Get ComStringOf Of hoJsonToken "token_type" To sTemp1
    Get ComAppend Of hoSbAuth sTemp1 To iSuccess
    Get ComAppend Of hoSbAuth " " To iSuccess
    Get ComStringOf Of hoJsonToken "access_token" To sTemp1
    Get ComAppend Of hoSbAuth sTemp1 To iSuccess

    // Make the initial connection.
    // A single REST object, once connected, can be used for many PayPal REST API calls.
    // The auto-reconnect indicates that if the already-established HTTPS connection is closed,
    // then it will be automatically re-established as needed.
    Get Create (RefClass(cComChilkatRest)) To hoRest
    If (Not(IsComObjectCreated(hoRest))) Begin
        Send CreateComObject of hoRest
    End
    Move True To iBAutoReconnect
    Get ComConnect Of hoRest "api.sandbox.paypal.com" 443 True iBAutoReconnect To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // ----------------------------------------------------------------------------------------------
    // The code above this comment could be placed inside a function/subroutine within the application
    // because the connection does not need to be made for every request.  Once the connection is made
    // the app may send many requests..
    // ----------------------------------------------------------------------------------------------

    // Build a path using a draft invoice ID.
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbPath
    If (Not(IsComObjectCreated(hoSbPath))) Begin
        Send CreateComObject of hoSbPath
    End
    Get ComAppend Of hoSbPath "/v1/invoicing/invoices/invoice_id/send" To iSuccess
    Get ComReplace Of hoSbPath "invoice_id" "INV2-QCHR-QHSD-M2VU-AVXC" To iNumReplacements

    Get ComGetAsString Of hoSbAuth To sTemp1
    Get ComAddHeader Of hoRest "Authorization" sTemp1 To iSuccess
    Get ComAddQueryParam Of hoRest "notify_merchant" "true" To iSuccess

    Get ComGetAsString Of hoSbPath To sTemp1
    Get ComFullRequestFormUrlEncoded Of hoRest "POST" sTemp1 To sResponseBody
    Get ComLastMethodSuccess Of hoRest To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoRest To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComResponseStatusCode Of hoRest To iTemp1
    Showln "Response Status Code = " iTemp1

    // Did we get a 202 accepted response?
    Get ComResponseStatusCode Of hoRest To iTemp1
    If (iTemp1 <> 202) Begin
        Showln sResponseBody
        Showln "Failed."
        Procedure_Return
    End

    // If the 202 response is received, the response body would be empty...
    Showln "Success."


End_Procedure

 

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