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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Data class for user location preferences
*
* PHP version 5
*
* LICENCE: 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 Data
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
class Inbox extends Memcached_DataObject
{
const BOXCAR = 128;
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'inbox'; // table name
public $user_id; // int(4) primary_key not_null
public $notice_ids; // blob
/* Static get */
function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('Inbox',$k,$v); }
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
function sequenceKey()
{
return array(false, false, false);
}
/**
* Create a new inbox from existing Notice_inbox stuff
*/
static function initialize($user_id)
{
$inbox = Inbox::fromNoticeInbox($user_id);
unset($inbox->fake);
$result = $inbox->insert();
if (!$result) {
common_log_db_error($inbox, 'INSERT', __FILE__);
return null;
}
return $inbox;
}
static function fromNoticeInbox($user_id)
{
$ids = array();
$ni = new Notice_inbox();
$ni->user_id = $user_id;
$ni->selectAdd();
$ni->selectAdd('notice_id');
$ni->orderBy('notice_id DESC');
$ni->limit(0, 1024);
if ($ni->find()) {
while($ni->fetch()) {
$ids[] = $ni->notice_id;
}
}
$ni->free();
unset($ni);
$inbox = new Inbox();
$inbox->user_id = $user_id;
$inbox->notice_ids = call_user_func_array('pack', array_merge(array('N*'), $ids));
$inbox->fake = true;
return $inbox;
}
static function insertNotice($user_id, $notice_id)
{
$inbox = DB_DataObject::staticGet('inbox', 'user_id', $user_id);
if (empty($inbox)) {
$inbox = Inbox::initialize($user_id);
}
if (empty($inbox)) {
return false;
}
$result = $inbox->query(sprintf('UPDATE inbox '.
'set notice_ids = concat(cast(0x%08x as binary(4)), '.
'substr(notice_ids, 1, 4092)) '.
'WHERE user_id = %d',
$notice_id, $user_id));
if ($result) {
$c = self::memcache();
if (!empty($c)) {
$c->delete(self::cacheKey('inbox', 'user_id', $user_id));
}
}
return $result;
}
static function bulkInsert($notice_id, $user_ids)
{
foreach ($user_ids as $user_id)
{
Inbox::insertNotice($user_id, $notice_id);
}
}
function stream($user_id, $offset, $limit, $since_id, $max_id, $since, $own=false)
{
$inbox = Inbox::staticGet('user_id', $user_id);
if (empty($inbox)) {
$inbox = Inbox::fromNoticeInbox($user_id);
if (empty($inbox)) {
return array();
} else {
$inbox->encache();
}
}
$ids = unpack('N*', $inbox->notice_ids);
if (!empty($since_id)) {
$newids = array();
foreach ($ids as $id) {
if ($id > $since_id) {
$newids[] = $id;
}
}
$ids = $newids;
}
if (!empty($max_id)) {
$newids = array();
foreach ($ids as $id) {
if ($id <= $max_id) {
$newids[] = $id;
}
}
$ids = $newids;
}
$ids = array_slice($ids, $offset, $limit);
return $ids;
}
}
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