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(C# UWP/WinRT) PayPal - Capture a Previously Authorized PaymentCaptures a previously authorized payment.
Note: This example requires Chilkat v9.5.0.65 or greater.
// 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) Chilkat.JsonObject jsonToken = new Chilkat.JsonObject(); jsonToken.LoadFile("qa_data/tokens/paypal.json"); // Build the Authorization request header field value. Chilkat.StringBuilder sbAuth = new Chilkat.StringBuilder(); // token_type should be "Bearer" sbAuth.Append(jsonToken.StringOf("token_type")); sbAuth.Append(" "); 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. Chilkat.Rest rest = new Chilkat.Rest(); bool bAutoReconnect = true; bool success = await rest.ConnectAsync("api.sandbox.paypal.com",443,true,bAutoReconnect); if (success != true) { Debug.WriteLine(rest.LastErrorText); return; } // ---------------------------------------------------------------------------------------------- // 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 transaction information. Chilkat.JsonObject json = new Chilkat.JsonObject(); json.EmitCompact = false; json.UpdateString("amount.currency","USD"); json.UpdateString("amount.total","4.54"); json.UpdateBool("is_final_capture",true); Debug.WriteLine(json.Emit()); // The JSON created by the above code: // { // "amount": { // "currency": "USD", // "total": "4.54" // }, // "is_final_capture": true // } rest.AddHeader("Authorization",sbAuth.GetAsString()); rest.AddHeader("Content-Type","application/json"); // To capture payment, make a call to /v1/payments/authorization/[authorization_id]/capture with the authorization ID in the URI. // See PayPal Authorize Payment for sample code to create the authorization. // The "7X8332687A4929542" comes from the "transactions[0].related_resources[0].authorization.id" part of the authorization response. Chilkat.StringBuilder sbPath = new Chilkat.StringBuilder(); sbPath.Append("/v1/payments/authorization/[authorization_id]/capture"); int numReplacements = sbPath.Replace("[authorization_id]","7X8332687A4929542"); // Send the POST request containign the JSON in the request body, and get the JSON response. Chilkat.StringBuilder sbJsonRequest = new Chilkat.StringBuilder(); json.EmitCompact = true; json.EmitSb(sbJsonRequest); Chilkat.StringBuilder sbJsonResponse = new Chilkat.StringBuilder(); success = await rest.FullRequestSbAsync("POST",sbPath.GetAsString(),sbJsonRequest,sbJsonResponse); if (success != true) { Debug.WriteLine(rest.LastErrorText); return; } json.EmitCompact = false; json.LoadSb(sbJsonResponse); Debug.WriteLine("Response Status Code = " + Convert.ToString(rest.ResponseStatusCode)); // IMPORTANT: In most PayPal examples, the return status code is 201. // For this particular call, PayPal returns status code 200. // Did we get a 200 success response? if (rest.ResponseStatusCode != 200) { Debug.WriteLine(json.Emit()); Debug.WriteLine("Failed."); return; } // Sample JSON response is shown below. Debug.WriteLine(json.Emit()); Debug.WriteLine("success"); // ------------------------------------------------ // A sample JSON response: // { // "id": "1LY5310469661362J", // "create_time": "2016-11-24T00:40:50Z", // "update_time": "2016-11-24T00:40:54Z", // "amount": { // "total": "4.54", // "currency": "USD" // }, // "is_final_capture": true, // "state": "completed", // "reasonCode": "None", // "parent_payment": "PAY-2CY489250W145633HLA3DK3Y", // "transaction_fee": { // "value": "0.43", // "currency": "USD" // }, // "links": [ // { // "href": "https://api.sandbox.paypal.com/v1/payments/capture/1LY5310469661362J", // "rel": "self", // "method": "GET" // }, // { // "href": "https://api.sandbox.paypal.com/v1/payments/capture/1LY5310469661362J/refund", // "rel": "refund", // "method": "POST" // }, // { // "href": "https://api.sandbox.paypal.com/v1/payments/authorization/7X8332687A4929542", // "rel": "authorization", // "method": "GET" // }, // { // "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-2CY489250W145633HLA3DK3Y", // "rel": "parent_payment", // "method": "GET" // } // ] // |
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