(SQL Server) PayPal - Execute Approved PayPal Payment

Executes an approved PayPal payment. (This is for executing an approved PayPal payment, not a credit card payment.)

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- 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)
    -- 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
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

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

    -- Build the Authorization request header field value.
    DECLARE @sbAuth int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    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
    -- Use "Chilkat_9_5_0.Rest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.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 payer_id
    DECLARE @json int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OASetProperty @json, 'EmitCompact', 0
    EXEC sp_OAMethod @json, 'AppendString', @success OUT, 'payer_id', 'RRCYJUTFJGZTA'
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- The JSON created by the above code:

    -- 	{ 
    -- 	  "payer_id": "RRCYJUTFJGZTA"
    -- 	}

    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'

    -- The payment ID is passed in the path.
    DECLARE @sbPath int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbPath OUT

    EXEC sp_OAMethod @sbPath, 'Append', @success OUT, '/v1/payments/payment/payment_id/execute'
    DECLARE @numReplaced int
    EXEC sp_OAMethod @sbPath, 'Replace', @numReplaced OUT, 'payment_id', 'PAY-4N746561P0587231SKQQK6MY'

    -- Send the POST request containign the JSON in the request body, and get the JSON response.
    DECLARE @sbJsonRequest int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbJsonRequest OUT

    EXEC sp_OASetProperty @json, 'EmitCompact', 1
    EXEC sp_OAMethod @json, 'EmitSb', @success OUT, @sbJsonRequest
    DECLARE @sbJsonResponse int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.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

    -- 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": "PAY-4N746561P0587231SKQQK6MY",
    -- 	  "create_time": "2014-09-22T23:22:27Z",
    -- 	  "update_time": "2014-09-22T23:31:13Z",
    -- 	  "state": "approved",
    -- 	  "intent": "sale",
    -- 	  "payer": { 
    -- 	    "payment_method": "paypal",
    -- 	    "payer_info": { 
    -- 	      "email": "npurayil-uspr-60@paypal.com",
    -- 	      "first_name": "Brian",
    -- 	      "last_name": "Robinson",
    -- 	      "payer_id": "JMKDKJ4D7DG7G",
    -- 	      "shipping_address": { 
    -- 	        "line1": "4thFloor",
    -- 	        "line2": "unit#34",
    -- 	        "city": "SAn Jose",
    -- 	        "state": "CA",
    -- 	        "postal_code": "95131",
    -- 	        "country_code": "US",
    -- 	        "phone": "011862212345678",
    -- 	        "recipient_name": "HelloWorld"
    -- 	      }
    -- 	    }
    -- 	  },
    -- 	  "transactions": [
    -- 	    { 
    -- 	      "amount": { 
    -- 	        "total": "30.11",
    -- 	        "currency": "USD",
    -- 	        "details": { 
    -- 	          "subtotal": "30.00",
    -- 	          "tax": "0.07",
    -- 	          "shipping": "0.03",
    -- 	          "handling_fee": "1.00",
    -- 	          "insurance": "0.01",
    -- 	          "shipping_discount": "-1.00"
    -- 	        }
    -- 	      },
    -- 	      "description": "This is the payment transaction description.",
    -- 	      "item_list": { 
    -- 	        "items": [
    -- 	          { 
    -- 	            "name": "hat",
    -- 	            "sku": "1",
    -- 	            "price": "3.00",
    -- 	            "currency": "USD",
    -- 	            "quantity": "5",
    -- 	            "description": "Brown color hat",
    -- 	            "tax": "0.01"
    -- 	          },
    -- 	          { 
    -- 	            "name": "handbag",
    -- 	            "sku": "product34",
    -- 	            "price": "15.00",
    -- 	            "currency": "USD",
    -- 	            "quantity": "1",
    -- 	            "description": "Black color handbag",
    -- 	            "tax": "0.02"
    -- 	          }
    -- 	        ],
    -- 	        "shipping_address": { 
    -- 	          "recipient_name": "HelloWorld",
    -- 	          "line1": "4thFloor",
    -- 	          "line2": "unit#34",
    -- 	          "city": "SAn Jose",
    -- 	          "state": "CA",
    -- 	          "phone": "011862212345678",
    -- 	          "postal_code": "95131",
    -- 	          "country_code": "US"
    -- 	        }
    -- 	      },
    -- 	      "related_resources": [
    -- 	        { 
    -- 	          "sale": { 
    -- 	            "id": "4XP56210M0797192Y",
    -- 	            "create_time": "2014-09-22T23:22:27Z",
    -- 	            "update_time": "2014-09-22T23:31:13Z",
    -- 	            "amount": { 
    -- 	              "total": "30.11",
    -- 	              "currency": "USD"
    -- 	            },
    -- 	            "payment_mode": "INSTANT_TRANSFER",
    -- 	            "state": "completed",
    -- 	            "protection_eligibility": "ELIGIBLE",
    -- 	            "protection_eligibility_type": "ITEM_NOT_RECEIVED_ELIGIBLE",
    -- 	            "transaction_fee": { 
    -- 	              "value": "1.75",
    -- 	              "currency": "USD"
    -- 	            },
    -- 	            "parent_payment": "PAY-4N746561P0587231SKQQK6MY",
    -- 	            "links": [
    -- 	              { 
    -- 	                "href": "https://api.paypal.com/v1/payments/sale/4XP56210M0797192Y",
    -- 	                "rel": "self",
    -- 	                "method": "GET"
    -- 	              },
    -- 	              { 
    -- 	                "href": "https://api.paypal.com/v1/payments/sale/4XP56210M0797192Y/refund",
    -- 	                "rel": "refund",
    -- 	                "method": "POST"
    -- 	              },
    -- 	              { 
    -- 	                "href": "https://api.paypal.com/v1/payments/payment/PAY-4N746561P0587231SKQQK6MY",
    -- 	                "rel": "parent_payment",
    -- 	                "method": "GET"
    -- 	              }
    -- 	            ]
    -- 	          }
    -- 	        }
    -- 	      ]
    -- 	    }
    -- 	  ],
    -- 	  "links": [
    -- 	    { 
    -- 	      "href": "https://api.paypal.com/v1/payments/payment/PAY-4N746561P0587231SKQQK6MY",
    -- 	      "rel": "self",
    -- 	      "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