(Unicode C) WhatsApp - Get a User's Account Information

Demonstrates how to retrieve a user account by sending a GET request on the users endpoint.

For more information, see https://developers.facebook.com/docs/whatsapp/api/users/manage

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#include <C_CkHttpW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    HCkHttpW http;
    BOOL success;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW jResp;
    int respStatusCode;
    const wchar_t *ROLES;
    const wchar_t *username;
    int i;
    int count_i;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http = CkHttpW_Create();

    // Implements the following CURL command:

    // curl -X GET https://example.com/v1/users/username \
    //   -H "Authorization: Bearer your-auth-token"

    // Adds the "Authorization: Bearer your-auth-token" header.
    CkHttpW_putAuthToken(http,L"your-auth-token");

    sbResponseBody = CkStringBuilderW_Create();
    success = CkHttpW_QuickGetSb(http,L"https://example.com/v1/users/username",sbResponseBody);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,sbResponseBody);
    CkJsonObjectW_putEmitCompact(jResp,FALSE);

    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",CkJsonObjectW_emit(jResp));

    respStatusCode = CkHttpW_getLastStatus(http);
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkHttpW_lastHeader(http));
        wprintf(L"Failed.\n");
        CkHttpW_Dispose(http);
        CkStringBuilderW_Dispose(sbResponseBody);
        CkJsonObjectW_Dispose(jResp);
        return;
    }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "users": [
    //     {
    //       "ROLES": "ROLE_ADMIN | ROLE_USER",
    //       "username": "username"
    //     }
    //   ]
    // }

    // Sample code for parsing the JSON response...

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jResp,L"users");
    while (i < count_i) {
        CkJsonObjectW_putI(jResp,i);
        ROLES = CkJsonObjectW_stringOf(jResp,L"users[i].ROLES");
        username = CkJsonObjectW_stringOf(jResp,L"users[i].username");
        i = i + 1;
    }



    CkHttpW_Dispose(http);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jResp);

    }