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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/**
* Class that represents an Author of a comment
*
* @package Component.Classes
*/
class CommentAuthor {
/**
* A reference to the global App object
*
* @var App
* @since 2.0
*/
public $app;
/**
*
* The referenced application
*
* @var Application
*/
public $application;
/**
* The name of the Author
*
* @var string
* @since 2.0
*/
public $name;
/**
* The email of the author
*
* @var string
* @since 2.0
*/
public $email;
/**
* The url of the author
*
* @var string
* @since 2.0
*/
public $url;
/**
* The id of the user that made the comment
*
* @var int
* @since 2.0
*/
public $user_id;
/**
* Class Constructor
*
* @param string $name The name of the author
* @param string $email The email of the author
* @param string $url The url of the author
* @param string $user_id The id of the user linked to the author
*/
public function __construct($name = '', $email = '', $url = '', $user_id = '', $application = null) {
// set vars
$this->name = $name;
$this->email = $email;
$this->url = $url;
$this->user_id = $user_id;
$this->application = $application;
}
/**
* Get a user avatar from Gravatar or use the default avatar
*
* @param int $size Size in pixels of the avatar (squared). Default: 32
*
* @return string The html tag img showing the avatar+
*
* @since 2.0
*/
public function getAvatar($size = 32) {
$default = JURI::root().'media/zoo/assets/images/avatar.png';
if ($this->email) {
return '<img title="'.$this->name.'" src="http://www.gravatar.com/avatar/'.md5($this->app->string->strtolower(trim($this->email))).'?s='.$size.'&d='.urlencode($default).'" height="'.$size.'" width="'.$size.'" alt="'.$this->name.'" />';
} else {
return '<img title="'.$this->name.'" src="'.$default.'" height="'.$size.'" width="'.$size.'" alt="'.$this->name.'" />';
}
}
/**
* Check the if the author is a guest
*
* @return boolean True if the user is not logged in
*
* @since 2.0
*/
public function isGuest() {
return empty($this->user_id);
}
/**
* Check if the author is a joomla admin
*
* @return boolean True if the user is an admin
*
* @since 2.0
*/
public function isJoomlaAdmin() {
return false;
}
/**
* Get the user type
*
* @return string The type of the user
*
* @since 2.0
*/
public function getUserType() {
return strtolower(str_replace('CommentAuthor', '', get_class($this)));
}
}
/**
* Class representing an auhtor which is a Joomla User
*
* @package Component.Classes
*/
class CommentAuthorJoomla extends CommentAuthor {
/**
* Get the related JUser object
*
* @return JUser The joomla user
*
* @since 2.0
*/
public function getJoomlaUser() {
return $this->app->user->get($this->user_id);
}
/**
* Check if the joomla user is an admin
*
* @return boolean If the user is an admin
*
* @since 2.0
*/
public function isJoomlaAdmin() {
if ($user = $this->getJoomlaUser()) {
return $this->app->user->isJoomlaAdmin($user);
}
return false;
}
}
/**
* Class that represents an author that has logged in through facebook
*
* @package Component.Classes
*/
class CommentAuthorFacebook extends CommentAuthor {
/**
* Get the avatar from facebook
*
* @param integer $size The size in pixels (squared). Default: 32
*
* @return string The html img tag with the avatar
*
* @since 2.0
*/
public function getAvatar($size = 32) {
if ($this->user_id) {
$cache = $this->app->cache->create($this->app->path->path('cache:') . '/author_cache', true, 604800);
$cache_check = ($cache) ? $cache->check() : false;
$url = '';
// try to get avatar url from cache
if ($cache_check) {
$url = $cache->get($this->user_id);
}
// if url is empty, try to get avatar url from twitter
if (empty($url)) {
$info = $this->app->facebook->fields($this->user_id, array('picture'), $this->application);
if (isset($info['picture']->data->url)) {
$url = $info['picture']->data->url;
}
if ($cache_check) {
$cache->set($this->user_id, $url);
$cache->save();
}
}
if (!empty($url)) {
return '<img alt="'.$this->name.'" title="'.$this->name.'" src="'.$url.'" height="'.$size.'" width="'.$size.'" />';
}
}
return parent::getAvatar($size);
}
}
/**
* Class that represents an author that has logged in using Twitter
*
* @package Component.Classes
*/
class CommentAuthorTwitter extends CommentAuthor {
/**
* Get the avatar from twitter
*
* @param integer $size The size of the avatar (squared). Default: 32
*
* @return string The html img tag
*
* @since 2.0
*/
public function getAvatar($size = 32) {
if ($this->user_id) {
$cache = $this->app->cache->create($this->app->path->path('cache:') . '/author_cache', true, 604800);
$cache_check = ($cache) ? $cache->check() : false;
$url = '';
// try to get avatar url from cache
if ($cache_check) {
$url = $cache->get($this->user_id);
}
// if url is empty, try to get avatar url from twitter
if (empty($url)) {
$info = $this->app->twitter->fields($this->user_id, array('profile_image_url'), $this->application);
if (isset($info['profile_image_url'])) {
$url = $info['profile_image_url'];
}
if ($cache_check) {
$cache->set($this->user_id, $url)->save();
}
}
if (!empty($url)) {
return '<img alt="'.$this->name.'" title="'.$this->name.'" src="'.$url.'" height="'.$size.'" width="'.$size.'" />';
}
}
return parent::getAvatar($size);
}
}