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PayPal - Capture Authorization

See more PayPal Examples

Capture and process a previously created authorization. The original payment call must have the intent set to authorize.

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

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Local $bSuccess = False

; Note: Requires Chilkat v9.5.0.64 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
$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..
; ----------------------------------------------------------------------------------------------

; To capture a particular amount, build JSON such as this:
$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.EmitCompact = False
$oJson.UpdateString("amount.currency","USD")
$oJson.UpdateString("amount.total","6.70")
; is_final_capture is optional and indicates whether to release all remaining funds that the authorization holds in the funding instrument.
$oJson.UpdateBool("is_final_capture",True)
ConsoleWrite($oJson.Emit() & @CRLF)

; The JSON created by the above code:

; 	{ 
; 	  "amount": { 
; 	    "currency": "USD",
; 	    "total": "6.70"
; 	  },
; 	  "is_final_capture": true
; 	}

; This is the OAuth2 Authorization header, not to be confused with a PayPal credit card authorization...
$oRest.AddHeader("Authorization",$oSbAuth.GetAsString())
$oRest.AddHeader("Content-Type","application/json")

; The authorization ID is added to the path.
; The authorization ID is obtained from payment records as shown here: Find Authorizations
$oSbPath = ObjCreate("Chilkat.StringBuilder")
$oSbPath.Append("/v1/payments/authorization/authorization_id/capture")
Local $iNumReplaced = $oSbPath.Replace("authorization_id","6HG91590AX913463C")

; Send the POST request containing 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 = $oRest.FullRequestSb("POST",$oSbPath.GetAsString(),$oSbJsonRequest,$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 200 success response?
If ($oRest.ResponseStatusCode <> 200) Then
    ConsoleWrite($oJson.Emit() & @CRLF)
    ConsoleWrite("Failed." & @CRLF)
    Exit
EndIf

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

; A successful JSON response:

; 	{ 
; 	  "id": "87S70321AE222860G",
; 	  "create_time": "2016-11-26T17:27:46Z",
; 	  "update_time": "2016-11-26T17:27:50Z",
; 	  "amount": { 
; 	    "total": "6.70",
; 	    "currency": "USD"
; 	  },
; 	  "is_final_capture": true,
; 	  "state": "completed",
; 	  "reasonCode": "None",
; 	  "parent_payment": "PAY-3SL8976592063093RLA3DMAY",
; 	  "transaction_fee": { 
; 	    "value": "0.49",
; 	    "currency": "USD"
; 	  },
; 	  "links": [
; 	    { 
; 	      "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G",
; 	      "rel": "self",
; 	      "method": "GET"
; 	    },
; 	    { 
; 	      "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G/refund",
; 	      "rel": "refund",
; 	      "method": "POST"
; 	    },
; 	    { 
; 	      "href": "https://api.sandbox.paypal.com/v1/payments/authorization/6HG91590AX913463C",
; 	      "rel": "authorization",
; 	      "method": "GET"
; 	    },
; 	    { 
; 	      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-3SL8976592063093RLA3DMAY",
; 	      "rel": "parent_payment",
; 	      "method": "GET"
; 	    }
; 	  ]
; 	}
;