gnu-social/plugins/Blacklist/classes/Homepage_blacklist.php

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<?php
/**
* Data class for homepage blacklisting
*
* PHP version 5
*
* @category Data
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009, StatusNet, Inc.
*
* 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/>.
*/
if (!defined('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
/**
* Data class for Homepage blacklist
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* @see DB_DataObject
*/
class Homepage_blacklist extends Managed_DataObject
{
public $__table = 'homepage_blacklist'; // table name
public $pattern; // varchar(255) pattern
public $created; // datetime not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
public static function schemaDef()
{
return array(
'fields' => array(
'pattern' => array('type' => 'varchar', 'not null' => true, 'length' => 255, 'description' => 'blacklist pattern'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
),
'primary key' => array('pattern'),
);
}
/**
* Return a list of patterns to check
*
* @return array string patterns to check
*/
static function getPatterns()
{
$patterns = self::cacheGet('homepage_blacklist:patterns');
if ($patterns === false) {
$patterns = array();
$nb = new Homepage_blacklist();
$nb->find();
while ($nb->fetch()) {
$patterns[] = $nb->pattern;
}
self::cacheSet('homepage_blacklist:patterns', $patterns);
}
return $patterns;
}
/**
* Save new list of patterns
*
* @return array of patterns to check
*/
static function saveNew($newPatterns)
{
$oldPatterns = self::getPatterns();
// Delete stuff that's old that not in new
$toDelete = array_diff($oldPatterns, $newPatterns);
// Insert stuff that's in new and not in old
$toInsert = array_diff($newPatterns, $oldPatterns);
foreach ($toDelete as $pattern) {
$nb = Homepage_blacklist::getKV('pattern', $pattern);
if (!empty($nb)) {
$nb->delete();
}
}
foreach ($toInsert as $pattern) {
$nb = new Homepage_blacklist();
$nb->pattern = $pattern;
$nb->created = common_sql_now();
$nb->insert();
}
self::blow('homepage_blacklist:patterns');
}
static function ensurePattern($pattern)
{
$hb = Homepage_blacklist::getKV('pattern', $pattern);
if (empty($nb)) {
$hb = new Homepage_blacklist();
$hb->pattern = $pattern;
$hb->created = common_sql_now();
$hb->insert();
self::blow('homepage_blacklist:patterns');
}
}
}