(Objective-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

Chilkat Objective-C Library Downloads MAC OS X (Cocoa) Libs iOS Libs

#import <CkoHttp.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>
#import <NSString.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// 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

[http SetRequestHeader: @"Authorization" value: @"Token token=abc1234"];

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [http QuickGetSb: @"https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json" sbContent: sbResponseBody];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [http.LastStatus intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",http.LastHeader);
    NSLog(@"%@",@"Failed.");
    return;
}

// Sample JSON response:

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

NSString *url = [jResp StringOf: @"url"];

// Download to a .mp3 file
success = [http Download: url saveToPath: @"call_recordings/CAL11df32690b7d46123456789123456789.mp3"];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
}
else {
    NSLog(@"%@",@"success.");
}