SQL Server
SQL Server
PayPal Generate QR Code
See more PayPal Examples
Generates a QR code for an invoice, by ID.The QR code is a PNG image in Base64-encoded format that corresponds to the invoice ID.
Note: A QR code can only be generated for an invoice that has been both created and sent.
See also Generate QR Code
Chilkat SQL Server Downloads
-- 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
-- Important: Do not use nvarchar(max). See the warning about using nvarchar(max).
DECLARE @sTmp0 nvarchar(4000)
DECLARE @success int
SELECT @success = 0
-- 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.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.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.Rest', @rest OUT
DECLARE @bAutoReconnect int
SELECT @bAutoReconnect = 1
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 an invoice ID.
DECLARE @sbPath int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbPath OUT
EXEC sp_OAMethod @sbPath, 'Append', @success OUT, '/v1/invoicing/invoices/invoice_id/qr-code'
DECLARE @numReplacements int
EXEC sp_OAMethod @sbPath, 'Replace', @numReplacements OUT, 'invoice_id', 'INV2-ZG2H-HKAW-PMWU-N6ZR'
EXEC sp_OAMethod @sbAuth, 'GetAsString', @sTmp0 OUT
EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Authorization', @sTmp0
-- A 500x500 image results in a PNG file of approx. 4K bytes in size.
EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'width', '500'
EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'height', '500'
EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'action', 'pay'
-- Send the GET request and get the PNG image data as base64.
-- A successful JSON response looks like this:
-- {"image":"iVBORw0KGgoAA....AASUVORK5CYII="}
DECLARE @sbJsonResponse int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbJsonResponse OUT
EXEC sp_OAMethod @sbPath, 'GetAsString', @sTmp0 OUT
EXEC sp_OAMethod @rest, 'FullRequestNoBodySb', @success OUT, 'GET', @sTmp0, @sbJsonResponse
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
EXEC @hr = sp_OADestroy @sbPath
EXEC @hr = sp_OADestroy @sbJsonResponse
RETURN
END
DECLARE @json int
EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT
EXEC sp_OASetProperty @json, 'EmitCompact', 0
EXEC sp_OAMethod @json, 'LoadSb', @success OUT, @sbJsonResponse
EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
PRINT 'Response Status Code = ' + @iTmp0
-- Did we get a 200 success response?
EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
IF @iTmp0 <> 200
BEGIN
EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
PRINT @sTmp0
PRINT 'Failed.'
EXEC @hr = sp_OADestroy @jsonToken
EXEC @hr = sp_OADestroy @sbAuth
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @sbPath
EXEC @hr = sp_OADestroy @sbJsonResponse
EXEC @hr = sp_OADestroy @json
RETURN
END
-- If the 200 response is received, the response body contains the PNG data.
-- Save the PNG to a file.
DECLARE @pngData int
EXEC @hr = sp_OACreate 'Chilkat.BinData', @pngData OUT
EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'image'
EXEC sp_OAMethod @pngData, 'AppendEncoded', @success OUT, @sTmp0, 'base64'
EXEC sp_OAMethod @pngData, 'WriteFile', @success OUT, 'qa_output/paypal_qr_code.png'
IF @success = 0
BEGIN
PRINT 'Failed to save PNG file.'
EXEC @hr = sp_OADestroy @jsonToken
EXEC @hr = sp_OADestroy @sbAuth
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @sbPath
EXEC @hr = sp_OADestroy @sbJsonResponse
EXEC @hr = sp_OADestroy @json
EXEC @hr = sp_OADestroy @pngData
RETURN
END
PRINT 'Success.'
EXEC @hr = sp_OADestroy @jsonToken
EXEC @hr = sp_OADestroy @sbAuth
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @sbPath
EXEC @hr = sp_OADestroy @sbJsonResponse
EXEC @hr = sp_OADestroy @json
EXEC @hr = sp_OADestroy @pngData
END
GO