(C) CallRail API - Retrieve a Call Recording

Returns a CallRail URL pointing to an MP3 recording of the specified call, and then downloads the MP3 to a local file.

For more information, see https://apidocs.callrail.com/#retrieving-a-single-call-recording

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#include <C_CkHttp.h>
#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject jResp;
    int respStatusCode;
    const char *url;

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

    http = CkHttp_Create();

    // Implements the following CURL command:

    // curl -H "Authorization: Token token=abc1234" \
    //   https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json

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

    CkHttp_SetRequestHeader(http,"Authorization","Token token=abc1234");

    sbResponseBody = CkStringBuilder_Create();
    success = CkHttp_QuickGetSb(http,"https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json",sbResponseBody);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    jResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jResp,sbResponseBody);
    CkJsonObject_putEmitCompact(jResp,FALSE);

    printf("Response Body:\n");
    printf("%s\n",CkJsonObject_emit(jResp));

    respStatusCode = CkHttp_getLastStatus(http);
    printf("Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        printf("Response Header:\n");
        printf("%s\n",CkHttp_lastHeader(http));
        printf("Failed.\n");
        CkHttp_Dispose(http);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        return;
    }

    // Sample JSON response:

    // {
    //   "url": "http://app.callrail.com/calls/CAL11df32690b7d46123456789123456789/recording/redirect?access_key=241sa242sadqwerty123"
    // }

    url = CkJsonObject_stringOf(jResp,"url");

    // Download to a .mp3 file
    success = CkHttp_Download(http,url,"call_recordings/CAL11df32690b7d46123456789123456789.mp3");
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
    }
    else {
        printf("success.\n");
    }



    CkHttp_Dispose(http);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(jResp);

    }