<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Data structure for blog entries
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Blog
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Data structure for blog entries
*
* @category Blog
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class Blog_entry extends Managed_DataObject
{
public $__table = 'blog_entry';
public $id; // UUID
public $profile_id; // int
public $title; // varchar(255)
public $summary; // text
public $content; // text
public $uri; // text
public $url; // text
public $created; // datetime
public $modified; // datetime
const TYPE = ActivityObject::ARTICLE;
function staticGet($k, $v=null)
{
return Managed_DataObject::staticGet('Blog_entry', $k, $v);
}
static function schemaDef()
{
return array(
'description' => 'lite blog entry',
'fields' => array(
'id' => array('type' => 'char',
'length' => 36,
'not null' => true,
'description' => 'Unique ID (UUID)'),
'profile_id' => array('type' => 'int',
'not null' => true,
'description' => 'Author profile ID'),
'title' => array('type' => 'varchar',
'length' => 255,
'description' => 'title of the entry'),
'summary' => array('type' => 'text',
'description' => 'initial summary'),
'content' => array('type' => 'text',
'description' => 'HTML content of the entry'),
'uri' => array('type' => 'varchar',
'length' => 255,
'description' => 'URI (probably http://) for this entry'),
'url' => array('type' => 'varchar',
'length' => 255,
'description' => 'URL (probably http://) for this entry'),
'created' => array('type' => 'datetime',
'not null' => true,
'description' => 'date this record was created'),
'modified' => array('type' => 'datetime',
'not null' => true,
'description' => 'date this record was created'),
),
'primary key' => array('id'),
'unique keys' => array(
'blog_entry_uri_key' => array('uri'),
),
'foreign keys' => array(
'blog_entry_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
),
'indexes' => array(
'blog_entry_created_idx' => array('created')
),
);
}
static function saveNew($profile, $title, $content, $options=null)
{
if (is_null($options)) {
$options = array();
}
$be = new Blog_entry();
$be->id = (string) new UUID();
$be->profile_id = $profile->id;
$be->title = $title; // Note: not HTML-protected
$be->content = self::purify($content);
if (array_key_exists('summary', $options)) {
$be->summary = self::purify($options['summary']);
} else {
// Already purified
$be->summary = self::summarize($be->content);
}
// Don't save an identical summary
if ($be->summary == $be->content) {
$be->summary = null;
}
$url = common_local_url('showblogentry', array('id' => $be->id));
if (!array_key_exists('uri', $options)) {
$options['uri'] = $url;
}
$be->uri = $options['uri'];
if (!array_key_exists('url', $options)) {
$options['url'] = $url;
}
$be->url = $options['url'];
if (!array_key_exists('created', $options)) {
$be->created = common_sql_now();
}
$be->created = $options['created'];
$be->modified = common_sql_now();
$be->insert();
// Use user's preferences for short URLs, if possible
try {
$user = $profile->getUser();
$shortUrl = File_redirection::makeShort($url,
empty($user) ? null : $user);
} catch (Exception $e) {
// Don't let this stop us.
$shortUrl = $url;
}
// XXX: this might be too long.
if (!empty($be->summary)) {
$options['rendered'] = $be->summary . ' ' .
XMLStringer::estring('a', array('href' => $url,
'class' => 'blog-entry'),
_('More...'));
$text = html_entity_decode(strip_tags($be->summary), ENT_QUOTES, 'UTF-8');
} else {
$options['rendered'] = $be->content;
$text = html_entity_decode(strip_tags($be->content), ENT_QUOTES, 'UTF-8');
}
if (Notice::contentTooLong($text)) {
$text = substr($text, 0, Notice::maxContent() - mb_strlen($shortUrl) - 2) .
'… ' . $shortUrl;
}
// Override this no matter what.
$options['object_type'] = self::TYPE;
$source = array_key_exists('source', $options) ?
$options['source'] : 'web';
$saved = Notice::saveNew($profile->id, $text, $source, $options);
return $saved;
}
/**
* Summarize the contents of a blog post
*
* We take the first div or paragraph of the blog post if there's a hit;
* Otherwise we take the whole thing.
*
* @param string $html HTML of full content
*/
static function summarize($html)
{
if (preg_match('#<p>.*?</p>#s', $html, $matches)) {
return $matches[0];
} else if (preg_match('#<div>.*?</div>#s', $html, $matches)) {
return $matches[0];
} else {
return $html;
}
}
static function fromNotice($notice)
{
return Blog_entry::staticGet('uri', $notice->uri);
}
function getNotice()
{
return Notice::staticGet('uri', $this->uri);
}
function asActivityObject()
{
$obj = new ActivityObject();
$obj->id = $this->uri;
$obj->type = self::TYPE;
$obj->title = $this->title;
$obj->summary = $this->summary;
$obj->content = $this->content;
$obj->link = $this->url;
return $obj;
}
/**
* Clean up input HTML
*/
static function purify($html)
{
require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
$config = array('safe' => 1,
'deny_attribute' => 'id,style,on*');
$pure = htmLawed($html, $config);
return $pure;
}
}