(Unicode C) Twilio Send SMS (using Chilkat HTTP)

Send an outgoing SMS message.

For more information, see https://www.twilio.com/docs/sms/api/message-resource#create-a-message-resource

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

void ChilkatSample(void)
    {
    HCkHttpW http;
    BOOL success;
    HCkHttpRequestW req;
    HCkHttpResponseW resp;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW jResp;
    int respStatusCode;
    const wchar_t *account_sid;
    const wchar_t *api_version;
    const wchar_t *body;
    const wchar_t *date_created;
    const wchar_t *date_sent;
    const wchar_t *date_updated;
    const wchar_t *direction;
    const wchar_t *error_code;
    const wchar_t *error_message;
    const wchar_t *from;
    const wchar_t *messaging_service_sid;
    const wchar_t *num_media;
    const wchar_t *num_segments;
    const wchar_t *price;
    const wchar_t *price_unit;
    const wchar_t *sid;
    const wchar_t *status;
    const wchar_t *subresource_urisMedia;
    const wchar_t *v_to;
    const wchar_t *uri;

    // 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:

    // (See information about using test credentials and phone numbers:  https://www.twilio.com/docs/iam/test-credentials)

    // curl -X POST https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json \
    // --data-urlencode "From=+15005550006" \
    // --data-urlencode "Body=body" \
    // --data-urlencode "To=+15005551212" \
    // -u TWILIO_ACCOUNT_SID:TWILIO_AUTH_TOKEN

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    CkHttpW_putLogin(http,L"TWILIO_ACCOUNT_SID");
    CkHttpW_putPassword(http,L"TWILIO_AUTH_TOKEN");

    req = CkHttpRequestW_Create();
    CkHttpRequestW_putHttpVerb(req,L"POST");
    CkHttpRequestW_putPath(req,L"/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json");
    CkHttpRequestW_putContentType(req,L"application/x-www-form-urlencoded");
    CkHttpRequestW_AddParam(req,L"From",L"+15005550006");
    CkHttpRequestW_AddParam(req,L"Body",L"body");
    CkHttpRequestW_AddParam(req,L"To",L"+15005551212");

    resp = CkHttpW_PostUrlEncoded(http,L"https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json",req);
    if (CkHttpW_getLastMethodSuccess(http) == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        return;
    }

    sbResponseBody = CkStringBuilderW_Create();
    CkHttpResponseW_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,sbResponseBody);
    CkJsonObjectW_putEmitCompact(jResp,FALSE);

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

    // A 201 status code indicates success.
    respStatusCode = CkHttpResponseW_getStatusCode(resp);
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkHttpResponseW_header(resp));
        wprintf(L"Failed.\n");
        CkHttpResponseW_Dispose(resp);
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkStringBuilderW_Dispose(sbResponseBody);
        CkJsonObjectW_Dispose(jResp);
        return;
    }

    CkHttpResponseW_Dispose(resp);

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

    // {
    //   "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
    //   "api_version": "2010-04-01",
    //   "body": "body",
    //   "date_created": "Thu, 30 Jul 2015 20:12:31 +0000",
    //   "date_sent": "Thu, 30 Jul 2015 20:12:33 +0000",
    //   "date_updated": "Thu, 30 Jul 2015 20:12:33 +0000",
    //   "direction": "outbound-api",
    //   "error_code": null,
    //   "error_message": null,
    //   "from": "+15017122661",
    //   "messaging_service_sid": "MGXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
    //   "num_media": "0",
    //   "num_segments": "1",
    //   "price": null,
    //   "price_unit": null,
    //   "sid": "MMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
    //   "status": "sent",
    //   "subresource_uris": {
    //     "media": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Media.json"
    //   },
    //   "to": "+15558675310",
    //   "uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.json"
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    // 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.

    account_sid = CkJsonObjectW_stringOf(jResp,L"account_sid");
    api_version = CkJsonObjectW_stringOf(jResp,L"api_version");
    body = CkJsonObjectW_stringOf(jResp,L"body");
    date_created = CkJsonObjectW_stringOf(jResp,L"date_created");
    date_sent = CkJsonObjectW_stringOf(jResp,L"date_sent");
    date_updated = CkJsonObjectW_stringOf(jResp,L"date_updated");
    direction = CkJsonObjectW_stringOf(jResp,L"direction");
    error_code = CkJsonObjectW_stringOf(jResp,L"error_code");
    error_message = CkJsonObjectW_stringOf(jResp,L"error_message");
    from = CkJsonObjectW_stringOf(jResp,L"from");
    messaging_service_sid = CkJsonObjectW_stringOf(jResp,L"messaging_service_sid");
    num_media = CkJsonObjectW_stringOf(jResp,L"num_media");
    num_segments = CkJsonObjectW_stringOf(jResp,L"num_segments");
    price = CkJsonObjectW_stringOf(jResp,L"price");
    price_unit = CkJsonObjectW_stringOf(jResp,L"price_unit");
    sid = CkJsonObjectW_stringOf(jResp,L"sid");
    status = CkJsonObjectW_stringOf(jResp,L"status");
    subresource_urisMedia = CkJsonObjectW_stringOf(jResp,L"subresource_uris.media");
    v_to = CkJsonObjectW_stringOf(jResp,L"to");
    uri = CkJsonObjectW_stringOf(jResp,L"uri");


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

    }