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- <?php
- class UserActivityStream extends AtomUserNoticeFeed
- {
- public $activities = array();
- public $after = null;
- const OUTPUT_STRING = 1;
- const OUTPUT_RAW = 2;
- public $outputMode = self::OUTPUT_STRING;
-
- function __construct($user, $indent = true, $outputMode = UserActivityStream::OUTPUT_STRING, $after = null)
- {
- parent::__construct($user, null, $indent);
- $this->outputMode = $outputMode;
- if ($this->outputMode == self::OUTPUT_STRING) {
-
- $notices = $this->getNotices();
- } elseif ($this->outputMode == self::OUTPUT_RAW) {
-
- $this->xw = new XMLWriter();
- $this->xw->openURI('php://output');
- if(is_null($indent)) {
- $indent = common_config('site', 'indent');
- }
- $this->xw->setIndent($indent);
-
- $notices = array();
- } else {
- throw new Exception('Invalid outputMode provided to ' . __METHOD__);
- }
- $this->after = $after;
-
-
- $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);
-
- usort($objs, 'UserActivityStream::compareObject');
-
-
- $this->objs = $objs;
- }
-
- function renderEntries($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) {
-
-
- 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) {
-
- $act->outputTo($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) {
-
- 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) {
-
-
- 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, $e->getMessage());
- }
- }
- }
- function compareObject($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));
- }
- 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;
- }
- 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 $subs;
- }
-
- function getNoticesBetween($start=0, $end=0)
- {
- $notices = array();
- $notice = new Notice();
- $notice->profile_id = $this->user->id;
-
- if (!empty($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'");
- }
- $notice->orderBy('created DESC');
- if ($notice->find()) {
- while ($notice->fetch()) {
- $notices[] = clone($notice);
- }
- }
- return $notices;
- }
- function getNotices()
- {
- if (!empty($this->after)) {
- return $this->getNoticesBetween($this->after);
- } else {
- return $this->getNoticesBetween();
- }
- }
- 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 $groups;
- }
- function createdAfter($item) {
- $created = strtotime((empty($item->created)) ? $item->modified : $item->created);
- return ($created >= $this->after);
- }
- function writeJSON($handle)
- {
- require_once INSTALLDIR.'/lib/activitystreamjsondocument.php';
- fwrite($handle, '{"items": [');
- $this->renderEntries(Feed::JSON, $handle);
- fwrite($handle, ']}');
- }
- }
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