/*
	* Modify a post before it is updated
	*
	* Called whenever a post is about to be updated or published . 
	*
	* @param Post $post The post being saved, by reference
	* @param FormUI $form The form that was submitted on the publish page
	*/
	public function action_publish_post( $post, $form )
	{
		if( $post->content_type == Post::type( 'podcast' ) ) {
			$feeds = Options::get( 'podcast__feeds' );
			foreach( $feeds as $feed => $feedtype ) {
				switch( $feedtype ) {
					case self::PODCAST_ITUNES:
						$this->get_post_itunes_settings( $form, $post, $feed );
					break;
				}
			}

		}
	}