gnu-social/plugins/Event/lib/eventsnoticestream.php

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<?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/>.
defined('GNUSOCIAL') || die();
class RawEventsNoticeStream extends NoticeStream
{
public function getNoticeIds($offset, $limit, $since_id, $max_id)
{
$notice = new Notice();
$qry = null;
$qry = 'SELECT notice.* FROM notice ';
$qry .= 'INNER JOIN happening ON happening.uri = notice.uri ';
$qry .= 'AND notice.is_local <> ' . Notice::GATEWAY . ' ';
if ($since_id != 0) {
$qry .= 'AND notice.id > ' . $since_id . ' ';
}
if ($max_id != 0) {
$qry .= 'AND notice.id <= ' . $max_id . ' ';
}
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// NOTE: we sort by event time, not by notice time!
$qry .= 'ORDER BY happening.created DESC ';
if (!is_null($offset)) {
$qry .= "LIMIT $limit OFFSET $offset";
}
$notice->query($qry);
$ids = array();
while ($notice->fetch()) {
$ids[] = $notice->id;
}
$notice->free();
unset($notice);
return $ids;
}
}
class EventsNoticeStream extends ScopingNoticeStream
{
// possible values of RSVP in our database
protected $rsvp = ['Y', 'N', '?'];
protected $target = null;
public function __construct(Profile $target, Profile $scoped = null, array $rsvp = [])
{
$stream = new RawEventsNoticeStream();
if ($target->sameAs($scoped)) {
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$key = 'happening:ids_for_user_own:'.$target->getID();
} else {
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$key = 'happening:ids_for_user:'.$target->getID();
}
// Match RSVP against our possible values, given in the class variable
// and if no RSVPs are given is empty, assume we want all events, even
// without RSVPs from this profile.
$this->rsvp = array_intersect($this->rsvp, $rsvp);
$this->target = $target;
parent::__construct(new CachingNoticeStream($stream, $key), $scoped);
}
protected function filter(Notice $notice)
{
if (!parent::filter($notice)) {
// if not in our scope, return false
return false;
}
if (empty($this->rsvp)) {
// Don't filter on RSVP (for only events with RSVP if no responses
// are given (give ['Y', 'N', '?'] for only RSVP'd events!).
return true;
}
$rsvp = new RSVP();
$rsvp->profile_id = $this->target->getID();
$rsvp->event_uri = $notice->getUri();
$rsvp->whereAddIn('response', $this->rsvp, $rsvp->columnType('response'));
// filter out if no RSVP match was found
return $rsvp->N > 0;
}
}