(AutoIt) PayPal - Create Stored Credit Card Payment

Creates a credit card payment using a card ID from a previously stored credit card (where the credit card was stored in PayPal's vault).

Note: For sandbox calls, you can use the credit card numbers provided in your sandbox test accounts.

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

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

; 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)
$oJsonToken = ObjCreate("Chilkat.JsonObject")
$oJsonToken.LoadFile("qa_data/tokens/paypal.json")

; Build the Authorization request header field value.
$oSbAuth = ObjCreate("Chilkat.StringBuilder")
; token_type should be "Bearer"
$oSbAuth.Append($oJsonToken.StringOf("token_type"))
$oSbAuth.Append(" ")
$oSbAuth.Append($oJsonToken.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.
$oRest = ObjCreate("Chilkat.Rest")
Local $bAutoReconnect = True
Local $bSuccess = $oRest.Connect("api.sandbox.paypal.com",443,True,$bAutoReconnect)
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
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..
; ----------------------------------------------------------------------------------------------

; We previously stored the user's credit card data in PayPal's vault.
; See Store Card in PayPal Vault for sample code.

; Build the JSON containing the stored credit card information and transaction information.
$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.EmitCompact = False
$oJson.UpdateString("intent","sale")
$oJson.UpdateString("payer.payment_method","credit_card")
$oJson.UpdateString("payer.funding_instruments[0].credit_card_token.credit_card_id","CARD-52W84623JH8043102LA3CLGA")
$oJson.UpdateString("payer.funding_instruments[0].credit_card_token.payer_id","user12345")
$oJson.UpdateString("transactions[0].amount.total","6.70")
$oJson.UpdateString("transactions[0].amount.currency","USD")
$oJson.UpdateString("transactions[0].description","This is the payment transaction description.")

ConsoleWrite($oJson.Emit() & @CRLF)

; The JSON created by the above code is this:

; 	{ 
; 	  "intent": "sale",
; 	  "payer": { 
; 	    "payment_method": "credit_card",
; 	    "funding_instruments": [
; 	      { 
; 	        "credit_card_token": { 
; 	          "credit_card_id": "CARD-52W84623JH8043102LA3CLGA",
; 	          "payer_id": "user12345"
; 	        }
; 	      }
; 	    ]
; 	  },
; 	  "transactions": [
; 	    { 
; 	      "amount": { 
; 	        "total": "6.70",
; 	        "currency": "USD"
; 	      },
; 	      "description": "This is the payment transaction description."
; 	    }
; 	  ]
; 	}

$oRest.AddHeader("Authorization",$oSbAuth.GetAsString())
$oRest.AddHeader("Content-Type","application/json")

; Send the POST request containign the JSON in the request body, and get the JSON response.
$oSbJsonRequest = ObjCreate("Chilkat.StringBuilder")
$oJson.EmitCompact = True
$oJson.EmitSb($oSbJsonRequest)
$oSbJsonResponse = ObjCreate("Chilkat.StringBuilder")
$bSuccess = $oRest.FullRequestSb("POST","/v1/payments/payment",$oSbJsonRequest,$oSbJsonResponse)
If ($bSuccess <> True) Then
    ConsoleWrite($oRest.LastErrorText & @CRLF)
    Exit
EndIf

$oJson.EmitCompact = False
$oJson.LoadSb($oSbJsonResponse)

ConsoleWrite("Response Status Code = " & $oRest.ResponseStatusCode & @CRLF)

; Did we get a 201 success response?
If ($oRest.ResponseStatusCode <> 201) Then
    ConsoleWrite($oJson.Emit() & @CRLF)
    ConsoleWrite("Failed." & @CRLF)
    Exit
EndIf

; Sample JSON response is shown below.
ConsoleWrite($oJson.Emit() & @CRLF)

; Demonstrate how to access a few parts of the JSON response..
ConsoleWrite("credit_card_id: " & $oJson.StringOf("payer.funding_instruments[0].credit_card_token.credit_card_id") & @CRLF)
ConsoleWrite("subtotal: " & $oJson.StringOf("transactions[0].amount.details.subtotal") & @CRLF)
ConsoleWrite("refund href: " & $oJson.StringOf("transactions[0].related_resources[0].sale.links[1].href") & @CRLF)
ConsoleWrite("success" & @CRLF)

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

; 	{ 
; 	  "id": "PAY-12T35751GS725073SLA3CQNQ",
; 	  "create_time": "2016-11-23T23:37:26Z",
; 	  "update_time": "2016-11-23T23:37:31Z",
; 	  "state": "approved",
; 	  "intent": "sale",
; 	  "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": [
; 	        { 
; 	          "sale": { 
; 	            "id": "4F194018A1618453G",
; 	            "create_time": "2016-11-23T23:37:26Z",
; 	            "update_time": "2016-11-23T23:37:31Z",
; 	            "amount": { 
; 	              "total": "6.70",
; 	              "currency": "USD"
; 	            },
; 	            "state": "completed",
; 	            "parent_payment": "PAY-12T35751GS725073SLA3CQNQ",
; 	            "links": [
; 	              { 
; 	                "href": "https://api.sandbox.paypal.com/v1/payments/sale/4F194018A1618453G",
; 	                "rel": "self",
; 	                "method": "GET"
; 	              },
; 	              { 
; 	                "href": "https://api.sandbox.paypal.com/v1/payments/sale/4F194018A1618453G/refund",
; 	                "rel": "refund",
; 	                "method": "POST"
; 	              },
; 	              { 
; 	                "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-12T35751GS725073SLA3CQNQ",
; 	                "rel": "parent_payment",
; 	                "method": "GET"
; 	              }
; 	            ],
; 	            "fmf_details": {},
; 	            "processor_response": { 
; 	              "avs_code": "X",
; 	              "cvv_code": "M"
; 	            }
; 	          }
; 	        }
; 	      ]
; 	    }
; 	  ],
; 	  "links": [
; 	    { 
; 	      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-12T35751GS725073SLA3CQNQ",
; 	      "rel": "self",
; 	      "method": "GET"
; 	    }
; 	  ]
; 	}
;