(C) Get the Photos for a User

Demonstrates how to get the photos that the user has uploaded.

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#include <C_CkOAuth2.h>
#include <C_CkRest.h>
#include <C_CkJsonObject.h>
#include <C_CkDateTime.h>
#include <C_CkDtObj.h>

void ChilkatSample(void)
    {
    HCkOAuth2 oauth2;
    HCkRest rest;
    BOOL success;
    const char *responseJson;
    HCkJsonObject json;
    HCkDateTime dtime;
    BOOL bLocalTime;
    HCkDtObj dt;
    int i;
    int numItems;
    const char *name;

    // 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 = CkOAuth2_Create();
    CkOAuth2_putAccessToken(oauth2,"FACEBOOK-ACCESS-TOKEN");

    rest = CkRest_Create();

    // Connect to Facebook.
    success = CkRest_Connect(rest,"graph.facebook.com",443,TRUE,TRUE);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkOAuth2_Dispose(oauth2);
        CkRest_Dispose(rest);
        return;
    }

    // Provide the authentication credentials (i.e. the access key)
    CkRest_SetAuthOAuth2(rest,oauth2);

    // Indicate that we only want the photos the user has personally uploaded.
    CkRest_AddQueryParam(rest,"type","uploaded");

    // We could limit the number of photos by setting a limit.
    CkRest_AddQueryParam(rest,"limit","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 = CkRest_fullRequestNoBody(rest,"GET","/v2.7/me/photos");
    if (CkRest_getLastMethodSuccess(rest) != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkOAuth2_Dispose(oauth2);
        CkRest_Dispose(rest);
        return;
    }

    json = CkJsonObject_Create();
    CkJsonObject_putEmitCompact(json,FALSE);
    CkJsonObject_Load(json,responseJson);
    printf("%s\n",CkJsonObject_emit(json));

    // A sample JSON response is shown below.  
    // This is the code to parse the JSON response.

    dtime = CkDateTime_Create();
    bLocalTime = TRUE;

    i = 0;
    numItems = CkJsonObject_SizeOfArray(json,"data");
    while (i < numItems) {
        CkJsonObject_putI(json,i);
        printf("--- %d\n",i);
        name = CkJsonObject_stringOf(json,"data[i].name");
        if (CkJsonObject_getLastMethodSuccess(json) == TRUE) {
            printf("name: %s\n",name);
        }

        printf("id: %s\n",CkJsonObject_stringOf(json,"data[i].id"));

        // We can load the created_time into a CkDateTime...
        CkDateTime_SetFromTimestamp(dtime,CkJsonObject_stringOf(json,"data[i].created_time"));
        dt = CkDateTime_GetDtObj(dtime,bLocalTime);
        printf("%d/%d/%d  %d:%d\n",CkDtObj_getMonth(dt),CkDtObj_getDay(dt),CkDtObj_getYear(dt),CkDtObj_getHour(dt),CkDtObj_getMinute(dt));
        CkDtObj_Dispose(dt);
        i = i + 1;
    }

    // We can get the paging information as follows:
    printf("URL for next page: %s\n",CkJsonObject_stringOf(json,"paging.next"));
    printf("before cursor: %s\n",CkJsonObject_stringOf(json,"paging.cursors.before"));
    printf("after cursor: %s\n",CkJsonObject_stringOf(json,"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"
    //   }
    // }
    // 


    CkOAuth2_Dispose(oauth2);
    CkRest_Dispose(rest);
    CkJsonObject_Dispose(json);
    CkDateTime_Dispose(dtime);

    }