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(Unicode C) PayPal - Capture a Previously Authorized PaymentCaptures a previously authorized payment.
Note: This example requires Chilkat v9.5.0.65 or greater.
#include <C_CkJsonObjectW.h> #include <C_CkStringBuilderW.h> #include <C_CkRestW.h> void ChilkatSample(void) { HCkJsonObjectW jsonToken; HCkStringBuilderW sbAuth; HCkRestW rest; BOOL bAutoReconnect; BOOL success; HCkJsonObjectW json; HCkStringBuilderW sbPath; int numReplacements; HCkStringBuilderW sbJsonRequest; HCkStringBuilderW sbJsonResponse; // 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) jsonToken = CkJsonObjectW_Create(); CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/paypal.json"); // Build the Authorization request header field value. sbAuth = CkStringBuilderW_Create(); // token_type should be "Bearer" CkStringBuilderW_Append(sbAuth,CkJsonObjectW_stringOf(jsonToken,L"token_type")); CkStringBuilderW_Append(sbAuth,L" "); CkStringBuilderW_Append(sbAuth,CkJsonObjectW_stringOf(jsonToken,L"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. rest = CkRestW_Create(); bAutoReconnect = TRUE; success = CkRestW_Connect(rest,L"api.sandbox.paypal.com",443,TRUE,bAutoReconnect); if (success != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkJsonObjectW_Dispose(jsonToken); CkStringBuilderW_Dispose(sbAuth); CkRestW_Dispose(rest); 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. json = CkJsonObjectW_Create(); CkJsonObjectW_putEmitCompact(json,FALSE); CkJsonObjectW_UpdateString(json,L"amount.currency",L"USD"); CkJsonObjectW_UpdateString(json,L"amount.total",L"4.54"); CkJsonObjectW_UpdateBool(json,L"is_final_capture",TRUE); wprintf(L"%s\n",CkJsonObjectW_emit(json)); // The JSON created by the above code: // { // "amount": { // "currency": "USD", // "total": "4.54" // }, // "is_final_capture": true // } CkRestW_AddHeader(rest,L"Authorization",CkStringBuilderW_getAsString(sbAuth)); CkRestW_AddHeader(rest,L"Content-Type",L"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. sbPath = CkStringBuilderW_Create(); CkStringBuilderW_Append(sbPath,L"/v1/payments/authorization/[authorization_id]/capture"); numReplacements = CkStringBuilderW_Replace(sbPath,L"[authorization_id]",L"7X8332687A4929542"); // Send the POST request containign the JSON in the request body, and get the JSON response. sbJsonRequest = CkStringBuilderW_Create(); CkJsonObjectW_putEmitCompact(json,TRUE); CkJsonObjectW_EmitSb(json,sbJsonRequest); sbJsonResponse = CkStringBuilderW_Create(); success = CkRestW_FullRequestSb(rest,L"POST",CkStringBuilderW_getAsString(sbPath),sbJsonRequest,sbJsonResponse); if (success != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkJsonObjectW_Dispose(jsonToken); CkStringBuilderW_Dispose(sbAuth); CkRestW_Dispose(rest); CkJsonObjectW_Dispose(json); CkStringBuilderW_Dispose(sbPath); CkStringBuilderW_Dispose(sbJsonRequest); CkStringBuilderW_Dispose(sbJsonResponse); return; } CkJsonObjectW_putEmitCompact(json,FALSE); CkJsonObjectW_LoadSb(json,sbJsonResponse); wprintf(L"Response Status Code = %d\n",CkRestW_getResponseStatusCode(rest)); // 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 (CkRestW_getResponseStatusCode(rest) != 200) { wprintf(L"%s\n",CkJsonObjectW_emit(json)); wprintf(L"Failed.\n"); CkJsonObjectW_Dispose(jsonToken); CkStringBuilderW_Dispose(sbAuth); CkRestW_Dispose(rest); CkJsonObjectW_Dispose(json); CkStringBuilderW_Dispose(sbPath); CkStringBuilderW_Dispose(sbJsonRequest); CkStringBuilderW_Dispose(sbJsonResponse); return; } // Sample JSON response is shown below. wprintf(L"%s\n",CkJsonObjectW_emit(json)); wprintf(L"success\n"); // ------------------------------------------------ // 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" // } // ] // CkJsonObjectW_Dispose(jsonToken); CkStringBuilderW_Dispose(sbAuth); CkRestW_Dispose(rest); CkJsonObjectW_Dispose(json); CkStringBuilderW_Dispose(sbPath); CkStringBuilderW_Dispose(sbJsonRequest); CkStringBuilderW_Dispose(sbJsonResponse); } |
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