<?php
/**
 * wpcomments.class.php
 * 
 * Acceso rápido y cómodo a la API de comentarios de Wordpress
 * @author Andrés Nieto <http://www.anieto2k.com>
 * @version 0.1
 */

if (!file_exists("xmlrpc.php")) die("Este script requiere The Inutio XML-RPC Library (http://scripts.incutio.com/xmlrpc/)");
	require_once("xmlrpc.php");

if (file_exists("Akismet.class.php")) require_once("Akismet.class.php");


/**
 * Constantes necesarias para Akismet
 */
define('AKISMETURL','AKISMET_URL');
define('AKISMETKEY','AKISMET_KEY');

/**
 * wpComment
 * 
 * Clase encargada de conectar con el API
 */
class wpComment {
	var $user = null;
	var $pass = null;
	var $blogurl = null;
	
	/**
	 * __construct()
	 * 
	 * Constructor de la clase.
	 * @param String $blogurl
	 * @param String $user
	 * @param String $pass
	*/
	
	function __construct($blogurl = "", $user = "", $pass = "") {
		if (empty($blogurl)) die("Necesito una URL para funcionar");
		$this->blogurl = $this->cleanString($blogurl);
		$this->user = $this->cleanString($user);
		$this->pass = $this->cleanString($pass);
	}
	
	/**
	 * insert()
	 * 
	 * Inserta un comentario en el blog deseado.
	 * @param String $post_link
	 * @param String $author
	 * @param String $author_email
	 * @param String $author_url
	 * @param String $content
	 * @return integer|comment_id
	*/
	
	function insert($post_link = "", $author = "", $author_email = "", $author_url = "", $content = ""){
		if (empty($post_link) || empty($author) || empty($author_email) || empty($author_url) || empty($content)) die("Faltan datos");
		
		$post_link =  $this->cleanString($post_link);
		$autor =  $this->cleanString($author);
		$author_email =  $this->cleanString($author_email);
		$author_url =  $this->cleanString($author_url);
		$content =  $this->cleanString($content);
		
		if (class_exists('Akismet')) {
			  $akismet = new Akismet(AKISMETURL, AKISMETKEY);
			  $akismet->setCommentAuthor($author);
			  $akismet->setCommentAuthorEmail($author_email);
			  $akismet->setCommentAuthorURL($author_url);
			  $akismet->setCommentContent($content);
			  $akismet->setPermalink($post_link);	

			  if($akismet->isCommentSpam()) $this->SPAM();
		}
		return $this->send('wp.newComment', array(
                     $post_link,
                     array (
                       'author' => $author,
                       'author_email' => $author_email,
                       'author_url' => $author_url,
                       'content' => $content
                     )
                 ));
	}
	
	
	/**
	 * getComments()
	 * 
	 * Devuelve los comentarios del blog.
	 * @param Array $options
	 * @return Array|comments
	*/
	
	
	function getComments($options =""){
		$default = array('post_id' => '', 'status' => '', 'offset' => '', 'number' => '');
		$options = array_merge( $default, $options);
		return $this->send('wp.getComments', array(
			array(
				'post_id' => $options['post_id'],
				'status' => $options['status'],
				'offset' => $options['offset'],
				'number' => $options['number']
				)
			));
	}
	
	/**
	 * getComments()
	 * 
	 * Devuelve un array con la información del comentario solicitado.
	 * @param int $comment_id
	 * @return Array|comment
	*/
	
	function getComment($comment_id = ''){
		if (empty($comment_id)) die("Error, el ID del comentario no es válido");
		return $this->send('wp.getComment', array(intval($comment_id)));
	}
	
	/**
	 * send()
	 * 
	 * Método encargado de enviar la petición
	 * @param String $type
	 * @param Array $options
	 * @return Object|response
	*/
	
	function send($type = "", $options = ""){
		if (!class_exists('IXR_Client')) die("Falta IXR_Client");
	
		$default = array(1, $this->user, $this->pass);
		$options = array_merge( $default, $options);

		$client = new IXR_Client($this->blogurl);
	    if (!$client->query($type,$options)){
	         die('Ha saltado un error - '.$client->getErrorCode().":".$client->getErrorMessage());
	    } 
		return $client->getResponse();
	}
	
	/**
	 * cleanString()
	 * 
	 * Método que limpia cadenas
	 * @param String $str
	 * @return String|str
	*/
	function cleanString($str){
		return trim(addslashes(strip_tags($str)));
	}
	
	/**
	 * SPAM()
	 * 
	 * Mata la ejecución del proceso por SPAM
	*/
	function SPAM(){
		die("Akismet lo ha detectado como SPAM");
	}
}

?>