forked from GNUsocial/gnu-social
383 lines
12 KiB
PHP
383 lines
12 KiB
PHP
<?php
|
|
// This file is part of GNU social - https://www.gnu.org/software/social
|
|
//
|
|
// GNU social 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.
|
|
//
|
|
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
/*
|
|
* Class for activity streams
|
|
*
|
|
* @package GNUsocial
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
|
|
*/
|
|
|
|
defined('GNUSOCIAL') || die();
|
|
|
|
/**
|
|
* Class for activity streams
|
|
*
|
|
* Includes objects like notices, subscriptions and from plugins.
|
|
*
|
|
* We extend atomusernoticefeed since it does some nice setup for us.
|
|
*
|
|
* @package GNUsocial
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
|
|
*/
|
|
class UserActivityStream extends AtomUserNoticeFeed
|
|
{
|
|
public $activities = array();
|
|
public $after = null;
|
|
|
|
const OUTPUT_STRING = 1;
|
|
const OUTPUT_RAW = 2;
|
|
public $outputMode = self::OUTPUT_STRING;
|
|
|
|
/**
|
|
*
|
|
* @param User $user
|
|
* @param bool $indent
|
|
* @param bool $outputMode: UserActivityStream::OUTPUT_STRING to return a string,
|
|
* or UserActivityStream::OUTPUT_RAW to go to raw output.
|
|
* Raw output mode will attempt to stream, keeping less
|
|
* data in memory but will leave $this->activities incomplete.
|
|
*/
|
|
public function __construct(
|
|
$user,
|
|
$indent = true,
|
|
$outputMode = UserActivityStream::OUTPUT_STRING,
|
|
$after = null
|
|
) {
|
|
parent::__construct($user, null, $indent);
|
|
|
|
$this->outputMode = $outputMode;
|
|
|
|
if ($this->outputMode == self::OUTPUT_STRING) {
|
|
// String buffering? Grab all the notices now.
|
|
$notices = $this->getNotices();
|
|
} elseif ($this->outputMode == self::OUTPUT_RAW) {
|
|
// Raw output... need to restructure from the stringer init.
|
|
$this->xw = new XMLWriter();
|
|
$this->xw->openURI('php://output');
|
|
if (is_null($indent)) {
|
|
$indent = common_config('site', 'indent');
|
|
}
|
|
$this->xw->setIndent($indent);
|
|
|
|
// We'll fetch notices later.
|
|
$notices = array();
|
|
} else {
|
|
throw new Exception('Invalid outputMode provided to ' . __METHOD__);
|
|
}
|
|
|
|
$this->after = $after;
|
|
|
|
// Assume that everything but notices is feasible
|
|
// to pull at once and work with in memory...
|
|
|
|
$subscriptions = $this->getSubscriptions();
|
|
$subscribers = $this->getSubscribers();
|
|
$groups = $this->getGroups();
|
|
|
|
$objs = array_merge($subscriptions, $subscribers, $groups, $notices);
|
|
|
|
Event::handle('AppendUserActivityStreamObjects', array($this, &$objs));
|
|
|
|
$subscriptions = null;
|
|
$subscribers = null;
|
|
$groups = null;
|
|
|
|
unset($subscriptions);
|
|
unset($subscribers);
|
|
unset($groups);
|
|
|
|
// Sort by create date
|
|
|
|
usort($objs, 'UserActivityStream::compareObject');
|
|
|
|
// We'll keep these around for later, and interleave them into
|
|
// the output stream with the user's notices.
|
|
|
|
$this->objs = $objs;
|
|
}
|
|
|
|
/**
|
|
* Interleave the pre-sorted objects with the user's
|
|
* notices, all in reverse chron order.
|
|
*/
|
|
public function renderEntries($format = Feed::ATOM, $handle = null)
|
|
{
|
|
$haveOne = false;
|
|
|
|
$end = time() + 1;
|
|
foreach ($this->objs as $obj) {
|
|
set_time_limit(10);
|
|
|
|
try {
|
|
$act = $obj->asActivity();
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
continue;
|
|
}
|
|
|
|
$start = $act->time;
|
|
|
|
if ($this->outputMode == self::OUTPUT_RAW && $start != $end) {
|
|
// In raw mode, we haven't pre-fetched notices.
|
|
// Grab the chunks of notices between other activities.
|
|
try {
|
|
$notices = $this->getNoticesBetween($start, $end);
|
|
foreach ($notices as $noticeAct) {
|
|
try {
|
|
$nact = $noticeAct->asActivity($this->user->getProfile());
|
|
if ($format == Feed::ATOM) {
|
|
$nact->outputTo($this, false, false);
|
|
} else {
|
|
if ($haveOne) {
|
|
fwrite($handle, ",");
|
|
}
|
|
fwrite($handle, json_encode($nact->asArray()));
|
|
$haveOne = true;
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
continue;
|
|
}
|
|
$nact = null;
|
|
unset($nact);
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
}
|
|
}
|
|
|
|
$notices = null;
|
|
unset($notices);
|
|
|
|
try {
|
|
if ($format == Feed::ATOM) {
|
|
// Only show the author sub-element if it's different from default user
|
|
$act->outputTo($this, false, ($act->actor->id != $this->user->getUri()));
|
|
} else {
|
|
if ($haveOne) {
|
|
fwrite($handle, ",");
|
|
}
|
|
fwrite($handle, json_encode($act->asArray()));
|
|
$haveOne = true;
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
}
|
|
|
|
$act = null;
|
|
unset($act);
|
|
|
|
$end = $start;
|
|
}
|
|
|
|
if ($this->outputMode == self::OUTPUT_RAW) {
|
|
// Grab anything after the last pre-sorted activity.
|
|
try {
|
|
if (!empty($this->after)) {
|
|
$notices = $this->getNoticesBetween($this->after, $end);
|
|
} else {
|
|
$notices = $this->getNoticesBetween(0, $end);
|
|
}
|
|
foreach ($notices as $noticeAct) {
|
|
try {
|
|
$nact = $noticeAct->asActivity($this->user->getProfile());
|
|
if ($format == Feed::ATOM) {
|
|
$nact->outputTo($this, false, false);
|
|
} else {
|
|
if ($haveOne) {
|
|
fwrite($handle, ",");
|
|
}
|
|
fwrite($handle, json_encode($nact->asArray()));
|
|
$haveOne = true;
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
continue;
|
|
}
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
}
|
|
}
|
|
|
|
if (empty($this->after) || strtotime($this->user->created) > $this->after) {
|
|
// We always add the registration activity at the end, even if
|
|
// they have older activities (from restored backups) in their stream.
|
|
|
|
try {
|
|
$ract = $this->user->registrationActivity();
|
|
if ($format == Feed::ATOM) {
|
|
$ract->outputTo($this, false, false);
|
|
} else {
|
|
if ($haveOne) {
|
|
fwrite($handle, ",");
|
|
}
|
|
fwrite($handle, json_encode($ract->asArray()));
|
|
$haveOne = true;
|
|
}
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, $e->getMessage());
|
|
}
|
|
}
|
|
}
|
|
|
|
public function compareObject($a, $b)
|
|
{
|
|
$ac = strtotime((empty($a->created)) ? $a->modified : $a->created);
|
|
$bc = strtotime((empty($b->created)) ? $b->modified : $b->created);
|
|
|
|
return (($ac == $bc) ? 0 : (($ac < $bc) ? 1 : -1));
|
|
}
|
|
|
|
public function getSubscriptions()
|
|
{
|
|
$subs = array();
|
|
|
|
$sub = new Subscription();
|
|
|
|
$sub->subscriber = $this->user->id;
|
|
|
|
if (!empty($this->after)) {
|
|
$sub->whereAdd("created > '" . common_sql_date($this->after) . "'");
|
|
}
|
|
|
|
if ($sub->find()) {
|
|
while ($sub->fetch()) {
|
|
if ($sub->subscribed != $this->user->id) {
|
|
$subs[] = clone($sub);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $subs;
|
|
}
|
|
|
|
public function getSubscribers()
|
|
{
|
|
$subs = array();
|
|
|
|
$sub = new Subscription();
|
|
|
|
$sub->subscribed = $this->user->id;
|
|
|
|
if (!empty($this->after)) {
|
|
$sub->whereAdd("created > '" . common_sql_date($this->after) . "'");
|
|
}
|
|
|
|
if ($sub->find()) {
|
|
while ($sub->fetch()) {
|
|
if ($sub->subscriber != $this->user->id) {
|
|
$subs[] = clone($sub);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $subs;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param int $start unix timestamp for earliest
|
|
* @param int $end unix timestamp for latest
|
|
* @return array of Notice objects
|
|
*/
|
|
public function getNoticesBetween($start = 0, $end = 0)
|
|
{
|
|
$notices = [];
|
|
|
|
$notice = new Notice();
|
|
|
|
$notice->profile_id = $this->user->id;
|
|
|
|
// Only stuff after $this->after
|
|
|
|
if (!empty($this->after)) {
|
|
if ($start) {
|
|
$start = max($start, $this->after);
|
|
}
|
|
if ($end) {
|
|
$end = max($end, $this->after);
|
|
}
|
|
}
|
|
|
|
if ($start) {
|
|
$tsstart = common_sql_date($start);
|
|
$notice->whereAdd("created >= '$tsstart'");
|
|
}
|
|
if ($end) {
|
|
$tsend = common_sql_date($end);
|
|
$notice->whereAdd("created < '$tsend'");
|
|
}
|
|
|
|
$notice->orderBy('created DESC, id DESC');
|
|
|
|
if ($notice->find()) {
|
|
while ($notice->fetch()) {
|
|
$notices[] = clone($notice);
|
|
}
|
|
}
|
|
|
|
return $notices;
|
|
}
|
|
|
|
public function getNotices()
|
|
{
|
|
if (!empty($this->after)) {
|
|
return $this->getNoticesBetween($this->after);
|
|
} else {
|
|
return $this->getNoticesBetween();
|
|
}
|
|
}
|
|
|
|
public function getGroups()
|
|
{
|
|
$groups = array();
|
|
|
|
$gm = new Group_member();
|
|
|
|
$gm->profile_id = $this->user->id;
|
|
|
|
if (!empty($this->after)) {
|
|
$gm->whereAdd("created > '" . common_sql_date($this->after) . "'");
|
|
}
|
|
|
|
if ($gm->find()) {
|
|
while ($gm->fetch()) {
|
|
$groups[] = clone($gm);
|
|
}
|
|
}
|
|
|
|
return $groups;
|
|
}
|
|
|
|
public function createdAfter($item)
|
|
{
|
|
$created = strtotime((empty($item->created)) ? $item->modified : $item->created);
|
|
return ($created >= $this->after);
|
|
}
|
|
|
|
public function writeJSON($handle)
|
|
{
|
|
require_once INSTALLDIR . '/lib/activitystreams/activitystreamjsondocument.php';
|
|
fwrite($handle, '{"items": [');
|
|
$this->renderEntries(Feed::JSON, $handle);
|
|
fwrite($handle, ']}');
|
|
}
|
|
}
|