(VBScript) PayPal - Find Completed Sales

List payments and find completed payments (sales transactions). Get the sales id, state, and total amount for each.

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

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

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' 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)
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set jsonToken = CreateObject("Chilkat.JsonObject")
success = jsonToken.LoadFile("qa_data/tokens/paypal.json")

' Build the Authorization request header field value.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbAuth = CreateObject("Chilkat.StringBuilder")
' token_type should be "Bearer"
success = sbAuth.Append(jsonToken.StringOf("token_type"))
success = sbAuth.Append(" ")
success = sbAuth.Append(jsonToken.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.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Rest")
set rest = CreateObject("Chilkat.Rest")
bAutoReconnect = 1
success = rest.Connect("api.sandbox.paypal.com",443,1,bAutoReconnect)
If (success <> 1) Then
    outFile.WriteLine(rest.LastErrorText)
    WScript.Quit
End If

' ----------------------------------------------------------------------------------------------
' 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.
success = rest.ClearAllHeaders()
success = rest.ClearAllQueryParams()

success = rest.AddHeader("Authorization",sbAuth.GetAsString())

' To find sales transactions, we list payments and look for those
' containing "sale" transactions
success = rest.AddQueryParam("count","100")
success = rest.AddQueryParam("start_index","0")
success = rest.AddQueryParam("sort_by","update_time")
success = rest.AddQueryParam("sort_order","asc")

' Send the GET request and get the JSON response.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbJsonResponse = CreateObject("Chilkat.StringBuilder")
success = rest.FullRequestNoBodySb("GET","/v1/payments/payment",sbJsonResponse)
If (success <> 1) Then
    outFile.WriteLine(rest.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set json = CreateObject("Chilkat.JsonObject")
json.EmitCompact = 0
success = json.LoadSb(sbJsonResponse)

' (optional) Save the entire JSON response to a file to examine if desired..
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbTemp = CreateObject("Chilkat.StringBuilder")
success = json.EmitSb(sbTemp)
success = sbTemp.WriteFile("qa_output/paypal_payments.json","utf-8",0)

outFile.WriteLine("Response Status Code = " & rest.ResponseStatusCode)

' Did we get a 200 success response?
If (rest.ResponseStatusCode <> 200) Then
    outFile.WriteLine(json.Emit())
    outFile.WriteLine("Failed.")
    WScript.Quit
End If

' We are looking for sales transactions .
' As shown below, we are looking in the "transactions" for "related_resources"
' containing "sale" JSON objects. 

' 	{ 
' 	  "payments": [
' 	    { 
' 	      "id": "PAY-66A12106PU3254228LA3BYKI",
' 	      "create_time": "2016-11-23T22:46:01Z",
' 	      "update_time": "2016-11-23T22:46:07Z",
' 	      "state": "approved",
' 	      "intent": "sale",
' 	      "payer": { 
' 	          ...
' 	          }
' 	        ]
' 	      },
' 	      "transactions": [
' 	        { 
' 	          ...
' 	          "related_resources": [
' 	            { 
' 	              "sale": { 
' 	                "id": "70L88278E6781074B",
' 	                "create_time": "2016-11-23T22:46:01Z",
' 	                "update_time": "2016-11-23T22:46:07Z",
' 	                "amount": { 
' 	                  "total": "7.47",
' 	                  "currency": "USD"
' 	                },
' 	                "state": "completed",
' 	                "parent_payment": "PAY-66A12106PU3254228LA3BYKI",

' Iterate over the payments and show each sale transaction.
numPayments = json.SizeOfArray("payments")
i = 0
Do While i < numPayments

    json.I = i
    j = 0
    numTransactions = json.SizeOfArray("payments[i].transactions")
    Do While j < numTransactions
        json.J = j
        numRelatedResources = json.SizeOfArray("payments[i].transactions[j].related_resources")
        k = 0
        Do While k < numRelatedResources
            json.K = k
            If (json.HasMember("payments[i].transactions[j].related_resources[k].sale") = 1) Then
                ' jsonSale is a Chilkat.JsonObject
                Set jsonSale = json.ObjectOf("payments[i].transactions[j].related_resources[k].sale")
                outFile.WriteLine("sale id: " & jsonSale.StringOf("id"))
                outFile.WriteLine("state: " & jsonSale.StringOf("state"))
                outFile.WriteLine("total: " & jsonSale.StringOf("amount.total"))
                outFile.WriteLine("----")

            End If

            k = k + 1
        Loop
        j = j + 1
    Loop
    i = i + 1
Loop

outFile.WriteLine("success")

outFile.Close