Adding Alarm feature

Model/Alarm.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace BOMO\IcalBundle\Model;
+
+class Alarm
+{
+    /**
+     * vAlarm object
+     */
+    private $alarm;
+
+    public function __construct($param)
+    {
+        if (is_array($param)) {
+            $this->alarm = new \valarm($param);
+
+        } elseif ($param instanceOf \valarm) {
+            $this->alarm = $param;
+
+        } else {
+            throw new InvalidArgumentException('Invalid constructor parameter');
+
+        }
+
+    }
+
+    public function setAction($action)
+    {
+        switch($action) {
+        case 'display':
+            $this->alarm->setProperty('description', 'Need to be setted');
+            $this->alarm->setProperty('trigger', '-PT1H', array('VALUE' => 'DURATION'));
+            break;
+
+        default:
+            throw new \InvalidArgumentException('Only [display] options are available');
+            break;
+        }
+
+        $this->alarm->setProperty('action', $action);
+
+        return $this;
+    }
+
+    public function setDescription($desc)
+    {
+        $this->alarm->setProperty('description', $desc);
+
+        return $this;
+    }
+
+    public function setTrigger($str)
+    {
+        $this->alarm->setProperty('trigger', $str, array('VALUE' => 'DURATION'));
+
+        return $this;
+    }
+
+    public function getAlarm()
+    {
+        return $this->alarm;
+    }
+}

Model/Event.php

@@ -98,6 +98,23 @@ public function setOrganizer($organizer)
         return $this;
     }
 
+    public function newAlarm()
+    {
+        return new Alarm($this->event->newComponent('valarm'), $this->event);
+    }
+
+    public function attachAlarm(Alarm $alarm)
+    {
+        $this->event->setComponent($alarm->getAlarm());
+
+        return $this;
+    }
+
+    public function getProperty($prop)
+    {
+        return $this->event->getProperty($prop);
+    }
+
     public function getEvent()
     {
         return $this->event;

Provider/IcsProvider.php

@@ -4,7 +4,8 @@
 
 
 use BOMO\IcalBundle\Model\Calendar,
-    BOMO\IcalBundle\Model\Event
+    BOMO\IcalBundle\Model\Event,
+    BOMO\IcalBundle\Model\Alarm
     ;
 
 class IcsProvider
@@ -42,4 +43,9 @@ public function createEvent()
     {
         return new Event($this->config);
     }
+
+    public function createAlarm()
+    {
+        return new Alarm($this->config);
+    }
 }