Chilkat Examples

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(SQL Server) PayPal - Capture a Previously Authorized Payment

Captures a previously authorized payment.

Note: This example requires Chilkat v9.5.0.65 or greater.

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 v9.5.0.65 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 the JSON containing the transaction information.
    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @json OUT

    EXEC sp_OASetProperty @json, 'EmitCompact', 0
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'amount.currency', 'USD'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'amount.total', '4.54'
    EXEC sp_OAMethod @json, 'UpdateBool', @success OUT, 'is_final_capture', 1
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- The JSON created by the above code:

    -- 	{ 
    -- 	  "amount": { 
    -- 	    "currency": "USD",
    -- 	    "total": "4.54"
    -- 	  },
    -- 	  "is_final_capture": true
    -- 	}

    EXEC sp_OAMethod @sbAuth, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Authorization', @sTmp0
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Type', 'application/json'

    -- To capture payment, make a call to /v1/payments/authorization/[authorization_id]/capture with the authorization ID in the URI.
    -- See PayPal Authorize Payment for sample code to create the authorization.
    -- The "7X8332687A4929542" comes from the "transactions[0].related_resources[0].authorization.id" part of the authorization response.

    DECLARE @sbPath int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbPath OUT

    EXEC sp_OAMethod @sbPath, 'Append', @success OUT, '/v1/payments/authorization/[authorization_id]/capture'
    DECLARE @numReplacements int
    EXEC sp_OAMethod @sbPath, 'Replace', @numReplacements OUT, '[authorization_id]', '7X8332687A4929542'

    -- Send the POST request containign the JSON in the request body, and get the JSON response.
    DECLARE @sbJsonRequest int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbJsonRequest OUT

    EXEC sp_OASetProperty @json, 'EmitCompact', 1
    EXEC sp_OAMethod @json, 'EmitSb', @success OUT, @sbJsonRequest
    DECLARE @sbJsonResponse int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbJsonResponse OUT

    EXEC sp_OAMethod @sbPath, 'GetAsString', @sTmp0 OUT
    EXEC sp_OAMethod @rest, 'FullRequestSb', @success OUT, 'POST', @sTmp0, @sbJsonRequest, @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 @json
        EXEC @hr = sp_OADestroy @sbPath
        EXEC @hr = sp_OADestroy @sbJsonRequest
        EXEC @hr = sp_OADestroy @sbJsonResponse
        RETURN
      END

    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

    -- IMPORTANT: In most PayPal examples, the return status code is 201.
    -- For this particular call, PayPal returns status code 200.

    -- 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 @json
        EXEC @hr = sp_OADestroy @sbPath
        EXEC @hr = sp_OADestroy @sbJsonRequest
        EXEC @hr = sp_OADestroy @sbJsonResponse
        RETURN
      END

    -- Sample JSON response is shown below.
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0


    PRINT 'success'

    -- ------------------------------------------------
    -- A sample JSON response:

    -- 	{ 
    -- 	  "id": "1LY5310469661362J",
    -- 	  "create_time": "2016-11-24T00:40:50Z",
    -- 	  "update_time": "2016-11-24T00:40:54Z",
    -- 	  "amount": { 
    -- 	    "total": "4.54",
    -- 	    "currency": "USD"
    -- 	  },
    -- 	  "is_final_capture": true,
    -- 	  "state": "completed",
    -- 	  "reasonCode": "None",
    -- 	  "parent_payment": "PAY-2CY489250W145633HLA3DK3Y",
    -- 	  "transaction_fee": { 
    -- 	    "value": "0.43",
    -- 	    "currency": "USD"
    -- 	  },
    -- 	  "links": [
    -- 	    { 
    -- 	      "href": "https://api.sandbox.paypal.com/v1/payments/capture/1LY5310469661362J",
    -- 	      "rel": "self",
    -- 	      "method": "GET"
    -- 	    },
    -- 	    { 
    -- 	      "href": "https://api.sandbox.paypal.com/v1/payments/capture/1LY5310469661362J/refund",
    -- 	      "rel": "refund",
    -- 	      "method": "POST"
    -- 	    },
    -- 	    { 
    -- 	      "href": "https://api.sandbox.paypal.com/v1/payments/authorization/7X8332687A4929542",
    -- 	      "rel": "authorization",
    -- 	      "method": "GET"
    -- 	    },
    -- 	    { 
    -- 	      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-2CY489250W145633HLA3DK3Y",
    -- 	      "rel": "parent_payment",
    -- 	      "method": "GET"
    -- 	    }
    -- 	  ]
    -- 	

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @sbAuth
    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @sbPath
    EXEC @hr = sp_OADestroy @sbJsonRequest
    EXEC @hr = sp_OADestroy @sbJsonResponse


END
GO

 

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