gnu-social/lib/profilenoticestream.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Stream of notices by a profile
*
* 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 Stream
* @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);
}
/**
* Stream of notices by a profile
*
* @category General
* @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 ProfileNoticeStream extends ScopingNoticeStream
{
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var $streamProfile;
var $userProfile;
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function __construct($profile, $userProfile = -1)
{
if (is_int($userProfile) && $userProfile == -1) {
$userProfile = Profile::current();
}
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$this->streamProfile = $profile;
$this->userProfile = $userProfile;
parent::__construct(new CachingNoticeStream(new RawProfileNoticeStream($profile),
'profile:notice_ids:' . $profile->id),
$userProfile);
}
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function getNoticeIds($offset, $limit, $since_id=null, $max_id=null)
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{
if ($this->impossibleStream()) {
return array();
} else {
return parent::getNoticeIds($offset, $limit, $since_id, $max_id);
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}
}
function getNotices($offset, $limit, $since_id=null, $max_id=null)
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{
if ($this->impossibleStream()) {
throw new PrivateStreamException($this->streamProfile, $this->userProfile);
} else {
return parent::getNotices($offset, $limit, $since_id, $max_id);
}
}
function impossibleStream()
{
if (!$this->streamProfile->readableBy($this->userProfile)) {
// cannot read because it's a private stream and either noone's logged in or they are not subscribers
return true;
}
// If it's a spammy stream, and no user or not a moderator
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if (common_config('notice', 'hidespam')) {
if ($this->streamProfile->hasRole(Profile_role::SILENCED) &&
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(empty($this->userProfile) || (($this->userProfile->id !== $this->streamProfile->id) && !$this->userProfile->hasRight(Right::REVIEWSPAM)))) {
return true;
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}
}
return false;
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}
}
/**
* Raw stream of notices by a profile
*
* @category General
* @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 RawProfileNoticeStream extends NoticeStream
{
protected $profile;
protected $selectVerbs = array(); // select all verbs
function __construct($profile)
{
parent::__construct();
$this->profile = $profile;
}
function getNoticeIds($offset, $limit, $since_id, $max_id)
{
$notice = new Notice();
$notice->profile_id = $this->profile->id;
$notice->selectAdd();
$notice->selectAdd('id');
Notice::addWhereSinceId($notice, $since_id);
Notice::addWhereMaxId($notice, $max_id);
if (!empty($this->selectVerbs)) {
$notice->whereAddIn('verb', $this->selectVerbs, $notice->columnType('verb'));
}
if (!empty($this->unselectVerbs)) {
$notice->whereAddIn('!verb', $this->unselectVerbs, $notice->columnType('verb'));
}
$notice->orderBy('created DESC, id DESC');
if (!is_null($offset)) {
$notice->limit($offset, $limit);
}
$notice->find();
$ids = array();
while ($notice->fetch()) {
$ids[] = $notice->id;
}
return $ids;
}
}