(MFC) 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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;
    bool success;

    // 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.
    http.put_AuthToken("your-auth-token");

    CkStringBuilder sbResponseBody;
    success = http.QuickGetSb("https://example.com/v1/users/username",sbResponseBody);
    if (success == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    strOut.append("Response Body:");
    strOut.append("\r\n");
    strOut.append(jResp.emit());
    strOut.append("\r\n");

    int respStatusCode = http.get_LastStatus();
    strOut.append("Response Status Code = ");
    strOut.appendInt(respStatusCode);
    strOut.append("\r\n");
    if (respStatusCode >= 400) {
        strOut.append("Response Header:");
        strOut.append("\r\n");
        strOut.append(http.lastHeader());
        strOut.append("\r\n");
        strOut.append("Failed.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        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.

    const char *ROLES = 0;
    const char *username = 0;

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



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }