C
C
PayPal - Find Completed Sales
See more PayPal Examples
List payments and find completed payments (sales transactions). Get the sales id, state, and total amount for each.Chilkat C Downloads
#include <C_CkJsonObject.h>
#include <C_CkStringBuilder.h>
#include <C_CkRest.h>
void ChilkatSample(void)
{
BOOL success;
HCkJsonObject jsonToken;
HCkStringBuilder sbAuth;
HCkRest rest;
BOOL bAutoReconnect;
HCkStringBuilder sbJsonResponse;
HCkJsonObject json;
HCkStringBuilder sbTemp;
HCkJsonObject jsonSale;
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 = CkJsonObject_Create();
CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/paypal.json");
// Build the Authorization request header field value.
sbAuth = CkStringBuilder_Create();
// token_type should be "Bearer"
CkStringBuilder_Append(sbAuth,CkJsonObject_stringOf(jsonToken,"token_type"));
CkStringBuilder_Append(sbAuth," ");
CkStringBuilder_Append(sbAuth,CkJsonObject_stringOf(jsonToken,"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 = CkRest_Create();
bAutoReconnect = TRUE;
success = CkRest_Connect(rest,"api.sandbox.paypal.com",443,TRUE,bAutoReconnect);
if (success == FALSE) {
printf("%s\n",CkRest_lastErrorText(rest));
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_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.
CkRest_ClearAllHeaders(rest);
CkRest_ClearAllQueryParams(rest);
CkRest_AddHeader(rest,"Authorization",CkStringBuilder_getAsString(sbAuth));
// To find sales transactions, we list payments and look for those
// containing "sale" transactions
CkRest_AddQueryParam(rest,"count","100");
CkRest_AddQueryParam(rest,"start_index","0");
CkRest_AddQueryParam(rest,"sort_by","update_time");
CkRest_AddQueryParam(rest,"sort_order","asc");
// Send the GET request and get the JSON response.
sbJsonResponse = CkStringBuilder_Create();
success = CkRest_FullRequestNoBodySb(rest,"GET","/v1/payments/payment",sbJsonResponse);
if (success == FALSE) {
printf("%s\n",CkRest_lastErrorText(rest));
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbJsonResponse);
return;
}
json = CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,FALSE);
CkJsonObject_LoadSb(json,sbJsonResponse);
// (optional) Save the entire JSON response to a file to examine if desired..
sbTemp = CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbTemp);
CkStringBuilder_WriteFile(sbTemp,"qa_output/paypal_payments.json","utf-8",FALSE);
printf("Response Status Code = %d\n",CkRest_getResponseStatusCode(rest));
// Did we get a 200 success response?
if (CkRest_getResponseStatusCode(rest) != 200) {
printf("%s\n",CkJsonObject_emit(json));
printf("Failed.\n");
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbJsonResponse);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbTemp);
return;
}
// We are looking for sales transactions .
// As shown below, we are looking in the "transactions" for "related_resources"
// containing "sale" JSON objects.
// {
// "payments": [
// {
// "id": "PAY-66A12106PU3254228LA3BYKI",
// "create_time": "2016-11-23T22:46:01Z",
// "update_time": "2016-11-23T22:46:07Z",
// "state": "approved",
// "intent": "sale",
// "payer": {
// ...
// }
// ]
// },
// "transactions": [
// {
// ...
// "related_resources": [
// {
// "sale": {
// "id": "70L88278E6781074B",
// "create_time": "2016-11-23T22:46:01Z",
// "update_time": "2016-11-23T22:46:07Z",
// "amount": {
// "total": "7.47",
// "currency": "USD"
// },
// "state": "completed",
// "parent_payment": "PAY-66A12106PU3254228LA3BYKI",
// Iterate over the payments and show each sale transaction.
jsonSale = CkJsonObject_Create();
numPayments = CkJsonObject_SizeOfArray(json,"payments");
i = 0;
while (i < numPayments) {
CkJsonObject_putI(json,i);
j = 0;
numTransactions = CkJsonObject_SizeOfArray(json,"payments[i].transactions");
while (j < numTransactions) {
CkJsonObject_putJ(json,j);
numRelatedResources = CkJsonObject_SizeOfArray(json,"payments[i].transactions[j].related_resources");
k = 0;
while (k < numRelatedResources) {
CkJsonObject_putK(json,k);
if (CkJsonObject_HasMember(json,"payments[i].transactions[j].related_resources[k].sale") == TRUE) {
CkJsonObject_ObjectOf2(json,"payments[i].transactions[j].related_resources[k].sale",jsonSale);
printf("sale id: %s\n",CkJsonObject_stringOf(jsonSale,"id"));
printf("state: %s\n",CkJsonObject_stringOf(jsonSale,"state"));
printf("total: %s\n",CkJsonObject_stringOf(jsonSale,"amount.total"));
printf("----\n");
}
k = k + 1;
}
j = j + 1;
}
i = i + 1;
}
printf("success\n");
CkJsonObject_Dispose(jsonToken);
CkStringBuilder_Dispose(sbAuth);
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbJsonResponse);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbTemp);
CkJsonObject_Dispose(jsonSale);
}