Chilkat Examples

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(SQL Server) 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

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    -- 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)
    DECLARE @jsonToken int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/paypal.json'

    -- Build the Authorization request header field value.
    DECLARE @sbAuth int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbAuth OUT

    -- token_type should be "Bearer"
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'token_type'
    EXEC sp_OAMethod @sbAuth, 'Append', @success OUT, @sTmp0
    EXEC sp_OAMethod @sbAuth, 'Append', @success OUT, ' '
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'access_token'
    EXEC sp_OAMethod @sbAuth, 'Append', @success OUT, @sTmp0

    -- 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.
    DECLARE @rest int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Rest', @rest OUT

    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    DECLARE @success int
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'api.sandbox.paypal.com', 443, 1, @bAutoReconnect
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @sbAuth
        EXEC @hr = sp_OADestroy @rest
        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.
    DECLARE @sbPath int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbPath OUT

    EXEC sp_OAMethod @sbPath, 'Append', @success OUT, '/v1/invoicing/invoices/invoice_id/send'
    DECLARE @numReplacements int
    EXEC sp_OAMethod @sbPath, 'Replace', @numReplacements OUT, 'invoice_id', 'INV2-QCHR-QHSD-M2VU-AVXC'

    EXEC sp_OAMethod @sbAuth, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Authorization', @sTmp0
    EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'notify_merchant', 'true'

    DECLARE @responseBody nvarchar(4000)
    EXEC sp_OAMethod @sbPath, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @rest, 'FullRequestFormUrlEncoded', @responseBody OUT, 'POST', @sTmp0
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @sbAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbPath
        RETURN
      END


    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
    PRINT 'Response Status Code = ' + @iTmp0

    -- Did we get a 202 accepted response?
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
    IF @iTmp0 <> 202
      BEGIN

        PRINT @responseBody

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @sbAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbPath
        RETURN
      END

    -- If the 202 response is received, the response body would be empty...

    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @sbAuth
    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @sbPath


END
GO

 

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