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Visual FoxPro

PayPal - Find Authorizations

See more PayPal Examples

Finds previously created authorizations.

Chilkat Visual FoxPro Downloads

Visual FoxPro
LOCAL lnSuccess
LOCAL loJsonToken
LOCAL loSbAuth
LOCAL loRest
LOCAL lnBAutoReconnect
LOCAL loSbJsonResponse
LOCAL loJson
LOCAL loSbTemp
LOCAL loJsonAuth
LOCAL lnNumPayments
LOCAL i
LOCAL j
LOCAL lnNumTransactions
LOCAL lnNumRelatedResources
LOCAL k

lnSuccess = 0

* 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)
loJsonToken = CreateObject('Chilkat.JsonObject')
loJsonToken.LoadFile("qa_data/tokens/paypal.json")

* Build the Authorization request header field value.
loSbAuth = CreateObject('Chilkat.StringBuilder')
* token_type should be "Bearer"
loSbAuth.Append(loJsonToken.StringOf("token_type"))
loSbAuth.Append(" ")
loSbAuth.Append(loJsonToken.StringOf("access_token"))

* 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.
loRest = CreateObject('Chilkat.Rest')
lnBAutoReconnect = 1
lnSuccess = loRest.Connect("api.sandbox.paypal.com",443,1,lnBAutoReconnect)
IF (lnSuccess = 0) THEN
    ? loRest.LastErrorText
    RELEASE loJsonToken
    RELEASE loSbAuth
    RELEASE loRest
    CANCEL
ENDIF

* ----------------------------------------------------------------------------------------------
* 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..
* ----------------------------------------------------------------------------------------------

* Clear the REST object of any headers or query params from previous requests.
loRest.ClearAllHeaders()
loRest.ClearAllQueryParams()

loRest.AddHeader("Authorization",loSbAuth.GetAsString())

* To find authoriaztions, we list payments and look for those
* containing "authorization" transactions
loRest.AddQueryParam("count","100")
loRest.AddQueryParam("start_index","0")
loRest.AddQueryParam("sort_by","update_time")
loRest.AddQueryParam("sort_order","asc")

* Send the GET request and get the JSON response.
loSbJsonResponse = CreateObject('Chilkat.StringBuilder')
lnSuccess = loRest.FullRequestNoBodySb("GET","/v1/payments/payment",loSbJsonResponse)
IF (lnSuccess = 0) THEN
    ? loRest.LastErrorText
    RELEASE loJsonToken
    RELEASE loSbAuth
    RELEASE loRest
    RELEASE loSbJsonResponse
    CANCEL
ENDIF

loJson = CreateObject('Chilkat.JsonObject')
loJson.EmitCompact = 0
loJson.LoadSb(loSbJsonResponse)

* (optional) Save the entire JSON response to a file to examine if desired..
loSbTemp = CreateObject('Chilkat.StringBuilder')
loJson.EmitSb(loSbTemp)
loSbTemp.WriteFile("qa_output/paypal_payments.json","utf-8",0)

? "Response Status Code = " + STR(loRest.ResponseStatusCode)

* Did we get a 200 success response?
IF (loRest.ResponseStatusCode <> 200) THEN
    ? loJson.Emit()
    ? "Failed."
    RELEASE loJsonToken
    RELEASE loSbAuth
    RELEASE loRest
    RELEASE loSbJsonResponse
    RELEASE loJson
    RELEASE loSbTemp
    CANCEL
ENDIF

* We are looking for "authorization" transactions .
* As shown below, we are looking in the "transactions" for "related_resources"
* containing "authorization" JSON objects. 

* 	{ 
* 	  "payments": [
* 	    { 
* 	      "id": "PAY-3SL8976592063093RLA3DMAY",
* 	      "create_time": "2016-11-24T00:36:19Z",
* 	      "update_time": "2016-11-24T00:36:24Z",
* 	      "state": "approved",
* 	      "intent": "authorize",
* 	      "payer": { 
* 	        "payment_method": "credit_card",
* 	        "funding_instruments": [
* 	          { 
* 	            "credit_card_token": { 
* 	              "credit_card_id": "CARD-52W84623JH8043102LA3CLGA",
* 	              "payer_id": "user12345",
* 	              "last4": "9974",
* 	              "type": "visa",
* 	              "expire_month": "9",
* 	              "expire_year": "2021"
* 	            }
* 	          }
* 	        ]
* 	      },
* 	      "transactions": [
* 	        { 
* 	          "amount": { 
* 	            "total": "6.70",
* 	            "currency": "USD",
* 	            "details": { 
* 	              "subtotal": "6.70"
* 	            }
* 	          },
* 	          "description": "This is the payment transaction description.",
* 	          "related_resources": [
* 	            { 
* 	              "authorization": { 
* 	                "id": "6HG91590AX913463C",
* 	                "create_time": "2016-11-24T00:36:19Z",
* 	                "update_time": "2016-11-24T00:36:24Z",
* 	                "amount": { 
* 	                  ...
* 	                  }
* 	                },
* 	                "state": "authorized",
* 	                "parent_payment": "PAY-3SL8976592063093RLA3DMAY",
* 	                "valid_until": "2016-12-23T00:36:19Z",
* 			...
* 

* Iterate over the payments and show each authorization
loJsonAuth = CreateObject('Chilkat.JsonObject')
lnNumPayments = loJson.SizeOfArray("payments")
i = 0
DO WHILE i < lnNumPayments
    loJson.I = i
    j = 0
    lnNumTransactions = loJson.SizeOfArray("payments[i].transactions")
    DO WHILE j < lnNumTransactions
        loJson.J = j
        lnNumRelatedResources = loJson.SizeOfArray("payments[i].transactions[j].related_resources")
        k = 0
        DO WHILE k < lnNumRelatedResources
            loJson.K = k
            IF (loJson.HasMember("payments[i].transactions[j].related_resources[k].authorization") = 1) THEN

                loJson.ObjectOf2("payments[i].transactions[j].related_resources[k].authorization",loJsonAuth)

                ? "authorization id: " + loJsonAuth.StringOf("id")
                ? "state: " + loJsonAuth.StringOf("state")
                ? "total: " + loJsonAuth.StringOf("amount.total")
                ? "----"
            ENDIF

            k = k + 1
        ENDDO
        j = j + 1
    ENDDO
    i = i + 1
ENDDO

? "success"

RELEASE loJsonToken
RELEASE loSbAuth
RELEASE loRest
RELEASE loSbJsonResponse
RELEASE loJson
RELEASE loSbTemp
RELEASE loJsonAuth