Unicode C
Unicode C
Get the Photos for a User
See more Facebook Examples
Demonstrates how to get the photos that the user has uploaded.Chilkat Unicode C Downloads
#include <C_CkOAuth2W.h>
#include <C_CkRestW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkDateTimeW.h>
#include <C_CkDtObjW.h>
void ChilkatSample(void)
{
BOOL success;
HCkOAuth2W oauth2;
HCkRestW rest;
const wchar_t *responseJson;
HCkJsonObjectW json;
HCkDateTimeW dtime;
BOOL bLocalTime;
HCkDtObjW dt;
int i;
int numItems;
const wchar_t *name;
success = FALSE;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// This example assumes a previously obtained an access token
oauth2 = CkOAuth2W_Create();
CkOAuth2W_putAccessToken(oauth2,L"FACEBOOK-ACCESS-TOKEN");
rest = CkRestW_Create();
// Connect to Facebook.
success = CkRestW_Connect(rest,L"graph.facebook.com",443,TRUE,TRUE);
if (success == FALSE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkOAuth2W_Dispose(oauth2);
CkRestW_Dispose(rest);
return;
}
// Provide the authentication credentials (i.e. the access key)
CkRestW_SetAuthOAuth2(rest,oauth2);
// Indicate that we only want the photos the user has personally uploaded.
CkRestW_AddQueryParam(rest,L"type",L"uploaded");
// We could limit the number of photos by setting a limit.
CkRestW_AddQueryParam(rest,L"limit",L"5");
// Gets the 1st page of photos. (Not the actual image data, but the information about each photo.)
// See https://developers.facebook.com/docs/graph-api/reference/user/photos/ for more information.
responseJson = CkRestW_fullRequestNoBody(rest,L"GET",L"/v2.7/me/photos");
if (CkRestW_getLastMethodSuccess(rest) == FALSE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkOAuth2W_Dispose(oauth2);
CkRestW_Dispose(rest);
return;
}
json = CkJsonObjectW_Create();
CkJsonObjectW_putEmitCompact(json,FALSE);
CkJsonObjectW_Load(json,responseJson);
wprintf(L"%s\n",CkJsonObjectW_emit(json));
// A sample JSON response is shown below.
// This is the code to parse the JSON response.
dtime = CkDateTimeW_Create();
bLocalTime = TRUE;
dt = CkDtObjW_Create();
i = 0;
numItems = CkJsonObjectW_SizeOfArray(json,L"data");
while (i < numItems) {
CkJsonObjectW_putI(json,i);
wprintf(L"--- %d\n",i);
name = CkJsonObjectW_stringOf(json,L"data[i].name");
if (CkJsonObjectW_getLastMethodSuccess(json) == TRUE) {
wprintf(L"name: %s\n",name);
}
wprintf(L"id: %s\n",CkJsonObjectW_stringOf(json,L"data[i].id"));
// We can load the created_time into a CkDateTime...
CkDateTimeW_SetFromTimestamp(dtime,CkJsonObjectW_stringOf(json,L"data[i].created_time"));
CkDateTimeW_ToDtObj(dtime,bLocalTime,dt);
wprintf(L"%d/%d/%d %d:%d\n",CkDtObjW_getMonth(dt),CkDtObjW_getDay(dt),CkDtObjW_getYear(dt),CkDtObjW_getHour(dt),CkDtObjW_getMinute(dt));
i = i + 1;
}
// We can get the paging information as follows:
wprintf(L"URL for next page: %s\n",CkJsonObjectW_stringOf(json,L"paging.next"));
wprintf(L"before cursor: %s\n",CkJsonObjectW_stringOf(json,L"paging.cursors.before"));
wprintf(L"after cursor: %s\n",CkJsonObjectW_stringOf(json,L"paging.cursors.after"));
// This is a sample JSON response:
// {
// "data": [
// {
// "created_time": "2016-09-29T20:46:18+0000",
// "name": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
// "id": "10210199026347451"
// },
// {
// "created_time": "2016-09-19T02:00:42+0000",
// "id": "10210091531240138"
// },
// {
// "created_time": "2016-09-19T02:00:42+0000",
// "id": "10210091520620125"
// },
// {
// "created_time": "2016-09-19T01:59:46+0000",
// "name": "I would've went for a swim had it not been for the sign",
// "id": "10210091522299917"
// },
// {
// "created_time": "2016-09-12T00:37:35+0000",
// "id": "10210023316834798"
// }
// ],
// "paging": {
// "cursors": {
// "before": "MTAyMTAxOTkwMjYzNDc0NTEZD",
// "after": "MTAyMTAwMjMzMTU4MzQ3OTgZD"
// },
// "next": "https:\/\/graph.facebook.com\/v2.7\/10224048320139890\/photos?type=uploaded&limit=5&after=MTAyMTAwMjMzMTU4MzQ3OTgZD"
// }
// }
//
CkOAuth2W_Dispose(oauth2);
CkRestW_Dispose(rest);
CkJsonObjectW_Dispose(json);
CkDateTimeW_Dispose(dtime);
CkDtObjW_Dispose(dt);
}