(C++) Clickatell Send SMS Text Message

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Demonstrate how to send a Clickatell SMS text message.

For more information, see https://docs.clickatell.com/channels/sms-channels/sms-api-reference/

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

void ChilkatSample(void)
    {
    // 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 -i \
    // -X POST \
    // -H "Content-Type: application/json" \
    // -H "Accept: application/json" \
    // -H "Authorization: API_KEY" \
    // -d '{"content": "Test Message Text", "to": ["PHONE_NUMBER"], "from": "FROM_PHONE_NUMBER" }' \
    // -s https://platform.clickatell.com/messages

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

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

    // {
    //   "content": "Test Message Text",
    //   "to": [
    //     "PHONE_NUMBER"
    //   ]
    // }

    CkJsonObject json;
    json.UpdateString("content","Test Message Text");
    json.UpdateString("to[0]","PHONE_NUMBER");
    json.UpdateString("from","FROM_PHONE_NUMBER");

    http.SetRequestHeader("Authorization","API_KEY");
    http.SetRequestHeader("Accept","application/json");
    http.SetRequestHeader("Content-Type","application/json");

    // If the following URL does not work, then try "https://platform.clickatell.com/v1/message"
    CkHttpResponse *resp = http.PostJson3("https://platform.clickatell.com/messages","application/json",json);
    if (http.get_LastMethodSuccess() == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    CkStringBuilder sbResponseBody;
    resp->GetBodySb(sbResponseBody);
    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    std::cout << "Response Body:" << "\r\n";
    std::cout << jResp.emit() << "\r\n";

    int respStatusCode = resp->get_StatusCode();
    std::cout << "Response Status Code = " << respStatusCode << "\r\n";
    if (respStatusCode >= 400) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << resp->header() << "\r\n";
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    delete resp;

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

    // {
    //   "messages": [
    //     {
    //       "apiMessageId": "66c06ac68e5c4afb953ea9328babfde6",
    //       "accepted": true,
    //       "to": "16302581871",
    //       "errorCode": null,
    //       "error": null,
    //       "errorDescription": null
    //     }
    //   ],
    //   "errorCode": null,
    //   "error": null,
    //   "errorDescription": null
    // }

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

    const char *errorCode = 0;
    const char *error = 0;
    const char *errorDescription = 0;
    int i;
    int count_i;
    const char *apiMessageId = 0;
    bool accepted;
    const char *v_to = 0;

    errorCode = jResp.stringOf("errorCode");
    error = jResp.stringOf("error");
    errorDescription = jResp.stringOf("errorDescription");
    i = 0;
    count_i = jResp.SizeOfArray("messages");
    while (i < count_i) {
        jResp.put_I(i);
        apiMessageId = jResp.stringOf("messages[i].apiMessageId");
        accepted = jResp.BoolOf("messages[i].accepted");
        v_to = jResp.stringOf("messages[i].to");
        errorCode = jResp.stringOf("messages[i].errorCode");
        error = jResp.stringOf("messages[i].error");
        errorDescription = jResp.stringOf("messages[i].errorDescription");
        i = i + 1;
    }
    }