WIP - TTS Callback support

Author: tjlytle

src/Nexmo/Voice/Message/Callback.php

@@ -0,0 +1,77 @@
+<?php
+/**
+ * @author Tim Lytle <tim@timlytle.net>
+ */
+
+namespace Nexmo\Voice\Message;
+use Nexmo\Client\Callback\CallbackInterface;
+use Nexmo\Client\Callback\Callback as BaseCallback;
+
+class Callback extends BaseCallback implements CallbackInterface
+{
+    const TIME_FORMAT = 'Y-m-d H:i:s';
+
+    protected $expected = array(
+        'call-id',
+        'status',
+        'call-price',
+        'call-rate',
+        'call-duration',
+        'to',
+        'call-request',
+        'network-code',
+        'call-start',
+        'call-end'
+    );
+
+    public function getId()
+    {
+        return $this->data['call-id'];
+    }
+
+    public function getTo()
+    {
+        return $this->data['to'];
+    }
+
+    public function getStatus()
+    {
+        return $this->data['status'];
+    }
+
+    public function getPrice()
+    {
+        return $this->data['call-price'];
+    }
+
+    public function getRate()
+    {
+        return $this->data['call-rate'];
+    }
+
+    public function getDuration()
+    {
+        return $this->data['call-duration'];
+    }
+
+    public function getCreated()
+    {
+        \DateTime::createFromFormat(self::TIME_FORMAT, $this->data['call-request']);
+    }
+
+    public function getStart()
+    {
+        \DateTime::createFromFormat(self::TIME_FORMAT, $this->data['call-start']);
+    }
+
+    public function getEnd()
+    {
+        \DateTime::createFromFormat(self::TIME_FORMAT, $this->data['call-end']);
+    }
+
+    public function getNetwork()
+    {
+        return $this->data['network-code'];
+    }
+
+} 

src/Nexmo/Voice/Message/Message.php

@@ -21,16 +21,38 @@ public function __construct($text, $to, $from = null)
     public function setLanguage($lang)
     {
         $this->params['lg'] = $lang;
+        return $this;
     }
 
     public function setVoice($voice)
     {
         $this->params['voice'] = $voice;
+        return $this;
     }
 
     public function setRepeat($count)
     {
         $this->params['repeat'] = (int) $count;
+        return $this;
+    }
+    public function setCallback($url, $method = null)
+    {
+        $this->params['callback'] = $url;
+        if(!is_null($method)){
+            $this->params['callback_method'] = $method;
+        }
+
+        return $this;
+    }
+
+    public function setMachineDetection($hangup = true, $timeout = null)
+    {
+        $this->params['machine_detection'] = ($hangup ? 'hangup' : 'true');
+        if(!is_null($timeout)){
+            $this->params['machine_timeout'] = (int) $timeout;
+        }
+
+        return $this;
     }
 
     /**

tests/Nexmo/Voice/Message/MessageTest.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * @author Tim Lytle <tim@timlytle.net>
+ */
+
+namespace Nexmo\Voice\Message;
+
+class MessageTest extends PHPUnit_Framework_TestCase
+{
+    protected $message;
+
+    protected $text = 'TTS Text';
+    protected $to   = '15553331212';
+    protected $from = '15554441212';
+
+    public function setUp()
+    {
+        $this->message = new Message($this->text, $this->to, $this->from);
+    }
+
+}
+