Unicode C
Unicode C
PayPal - Find Authorizations
See more PayPal Examples
Finds previously created authorizations.Chilkat Unicode C Downloads
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkRestW.h>
void ChilkatSample(void)
{
BOOL success;
HCkJsonObjectW jsonToken;
HCkStringBuilderW sbAuth;
HCkRestW rest;
BOOL bAutoReconnect;
HCkStringBuilderW sbJsonResponse;
HCkJsonObjectW json;
HCkStringBuilderW sbTemp;
HCkJsonObjectW jsonAuth;
int numPayments;
int i;
int j;
int numTransactions;
int numRelatedResources;
int k;
success = FALSE;
// 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 == FALSE) {
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..
// ----------------------------------------------------------------------------------------------
// Clear the REST object of any headers or query params from previous requests.
CkRestW_ClearAllHeaders(rest);
CkRestW_ClearAllQueryParams(rest);
CkRestW_AddHeader(rest,L"Authorization",CkStringBuilderW_getAsString(sbAuth));
// To find authoriaztions, we list payments and look for those
// containing "authorization" transactions
CkRestW_AddQueryParam(rest,L"count",L"100");
CkRestW_AddQueryParam(rest,L"start_index",L"0");
CkRestW_AddQueryParam(rest,L"sort_by",L"update_time");
CkRestW_AddQueryParam(rest,L"sort_order",L"asc");
// Send the GET request and get the JSON response.
sbJsonResponse = CkStringBuilderW_Create();
success = CkRestW_FullRequestNoBodySb(rest,L"GET",L"/v1/payments/payment",sbJsonResponse);
if (success == FALSE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkJsonObjectW_Dispose(jsonToken);
CkStringBuilderW_Dispose(sbAuth);
CkRestW_Dispose(rest);
CkStringBuilderW_Dispose(sbJsonResponse);
return;
}
json = CkJsonObjectW_Create();
CkJsonObjectW_putEmitCompact(json,FALSE);
CkJsonObjectW_LoadSb(json,sbJsonResponse);
// (optional) Save the entire JSON response to a file to examine if desired..
sbTemp = CkStringBuilderW_Create();
CkJsonObjectW_EmitSb(json,sbTemp);
CkStringBuilderW_WriteFile(sbTemp,L"qa_output/paypal_payments.json",L"utf-8",FALSE);
wprintf(L"Response Status Code = %d\n",CkRestW_getResponseStatusCode(rest));
// 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);
CkStringBuilderW_Dispose(sbJsonResponse);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbTemp);
return;
}
// We are looking for "authorization" transactions .
// As shown below, we are looking in the "transactions" for "related_resources"
// containing "authorization" JSON objects.
// {
// "payments": [
// {
// "id": "PAY-3SL8976592063093RLA3DMAY",
// "create_time": "2016-11-24T00:36:19Z",
// "update_time": "2016-11-24T00:36:24Z",
// "state": "approved",
// "intent": "authorize",
// "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": [
// {
// "authorization": {
// "id": "6HG91590AX913463C",
// "create_time": "2016-11-24T00:36:19Z",
// "update_time": "2016-11-24T00:36:24Z",
// "amount": {
// ...
// }
// },
// "state": "authorized",
// "parent_payment": "PAY-3SL8976592063093RLA3DMAY",
// "valid_until": "2016-12-23T00:36:19Z",
// ...
//
// Iterate over the payments and show each authorization
jsonAuth = CkJsonObjectW_Create();
numPayments = CkJsonObjectW_SizeOfArray(json,L"payments");
i = 0;
while (i < numPayments) {
CkJsonObjectW_putI(json,i);
j = 0;
numTransactions = CkJsonObjectW_SizeOfArray(json,L"payments[i].transactions");
while (j < numTransactions) {
CkJsonObjectW_putJ(json,j);
numRelatedResources = CkJsonObjectW_SizeOfArray(json,L"payments[i].transactions[j].related_resources");
k = 0;
while (k < numRelatedResources) {
CkJsonObjectW_putK(json,k);
if (CkJsonObjectW_HasMember(json,L"payments[i].transactions[j].related_resources[k].authorization") == TRUE) {
CkJsonObjectW_ObjectOf2(json,L"payments[i].transactions[j].related_resources[k].authorization",jsonAuth);
wprintf(L"authorization id: %s\n",CkJsonObjectW_stringOf(jsonAuth,L"id"));
wprintf(L"state: %s\n",CkJsonObjectW_stringOf(jsonAuth,L"state"));
wprintf(L"total: %s\n",CkJsonObjectW_stringOf(jsonAuth,L"amount.total"));
wprintf(L"----\n");
}
k = k + 1;
}
j = j + 1;
}
i = i + 1;
}
wprintf(L"success\n");
CkJsonObjectW_Dispose(jsonToken);
CkStringBuilderW_Dispose(sbAuth);
CkRestW_Dispose(rest);
CkStringBuilderW_Dispose(sbJsonResponse);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbTemp);
CkJsonObjectW_Dispose(jsonAuth);
}