(Unicode C++) WhatsApp - Change a User Password

Demonstrates how to change the password for a WhatsApp Business API user account.

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

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#include <CkHttpW.h>
#include <CkJsonObjectW.h>
#include <CkStringBuilderW.h>
#include <CkHttpResponseW.h>

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

    CkHttpW http;
    bool success;

    // Implements the following CURL command:

    // curl -X PUT https://example.com/v1/users/username \
    //   -H "Authorization: Bearer your-auth-token" \
    //   -d '{"password": "new-password"}'

    // The following JSON is sent in the request body.

    // {
    //   "password": "new-password"
    // }

    CkJsonObjectW json;
    json.UpdateString(L"password",L"new-password");

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

    CkStringBuilderW sbRequestBody;
    json.EmitSb(sbRequestBody);

    CkHttpResponseW *resp = http.PTextSb(L"PUT",L"https://example.com/v1/users/username",sbRequestBody,L"utf-8",L"application/json",false,false);
    if (http.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkStringBuilderW sbResponseBody;
    resp->GetBodySb(sbResponseBody);
    CkJsonObjectW jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

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

    int respStatusCode = resp->get_StatusCode();
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",resp->header());
        wprintf(L"Failed.\n");
        delete resp;
        return;
    }

    delete resp;

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

    // {
    //   "users": [
    //     {
    //       "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.

    const wchar_t *username = 0;

    int i = 0;
    int count_i = jResp.SizeOfArray(L"users");
    while (i < count_i) {
        jResp.put_I(i);
        username = jResp.stringOf(L"users[i].username");
        i = i + 1;
    }
    }