3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
23 * Table Definition for notice
25 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
27 /* We keep the first three 20-notice pages, plus one for pagination check,
28 * in the memcached cache. */
30 define('NOTICE_CACHE_WINDOW', 61);
32 class Notice extends Memcached_DataObject
35 /* the code below is auto generated do not remove the above tag */
37 public $__table = 'notice'; // table name
38 public $id; // int(4) primary_key not_null
39 public $profile_id; // int(4) not_null
40 public $uri; // varchar(255) unique_key
41 public $content; // varchar(140)
42 public $rendered; // text()
43 public $url; // varchar(255)
44 public $created; // datetime() not_null
45 public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
46 public $reply_to; // int(4)
47 public $is_local; // tinyint(1)
48 public $source; // varchar(32)
49 public $conversation; // int(4)
52 function staticGet($k,$v=NULL) {
53 return Memcached_DataObject::staticGet('Notice',$k,$v);
56 /* the code above is auto generated do not remove the tag below */
61 return Profile::staticGet('id', $this->profile_id);
66 $this->blowCaches(true);
67 $this->blowFavesCache(true);
68 $this->blowSubsCache(true);
70 $this->query('BEGIN');
71 //Null any notices that are replies to this notice
72 $this->query(sprintf("UPDATE notice set reply_to = null WHERE reply_to = %d", $this->id));
73 $related = array('Reply',
78 if (common_config('inboxes', 'enabled')) {
79 $related[] = 'Notice_inbox';
81 foreach ($related as $cls) {
83 $inst->notice_id = $this->id;
86 $result = parent::delete();
87 $this->query('COMMIT');
92 /* extract all #hastags */
93 $count = preg_match_all('/(?:^|\s)#([A-Za-z0-9_\-\.]{1,64})/', strtolower($this->content), $match);
98 /* Add them to the database */
99 foreach(array_unique($match[1]) as $hashtag) {
100 /* elide characters we don't want in the tag */
101 $this->saveTag($hashtag);
106 function saveTag($hashtag)
108 $hashtag = common_canonical_tag($hashtag);
110 $tag = new Notice_tag();
111 $tag->notice_id = $this->id;
112 $tag->tag = $hashtag;
113 $tag->created = $this->created;
114 $id = $tag->insert();
117 throw new ServerException(sprintf(_('DB error inserting hashtag: %s'),
118 $last_error->message));
123 static function saveNew($profile_id, $content, $source=null, $is_local=1, $reply_to=null, $uri=null) {
125 $profile = Profile::staticGet($profile_id);
128 common_log(LOG_ERR, 'Problem saving notice. Unknown user.');
129 return _('Problem saving notice. Unknown user.');
132 if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
133 common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
134 return _('Too many notices too fast; take a breather and post again in a few minutes.');
137 if (common_config('site', 'dupelimit') > 0 && !Notice::checkDupes($profile_id, $content)) {
138 common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
139 return _('Too many duplicate messages too quickly; take a breather and post again in a few minutes.');
142 $banned = common_config('profile', 'banned');
144 if ( in_array($profile_id, $banned) || in_array($profile->nickname, $banned)) {
145 common_log(LOG_WARNING, "Attempted post from banned user: $profile->nickname (user id = $profile_id).");
146 return _('You are banned from posting notices on this site.');
149 $notice = new Notice();
150 $notice->profile_id = $profile_id;
152 $blacklist = common_config('public', 'blacklist');
153 $autosource = common_config('public', 'autosource');
155 # Blacklisted are non-false, but not 1, either
157 if (($blacklist && in_array($profile_id, $blacklist)) ||
158 ($source && $autosource && in_array($source, $autosource))) {
159 $notice->is_local = -1;
161 $notice->is_local = $is_local;
164 $notice->query('BEGIN');
166 $notice->reply_to = $reply_to;
167 $notice->created = common_sql_now();
168 $notice->content = $content;
169 $notice->rendered = common_render_content($content, $notice);
170 $notice->source = $source;
173 if (!empty($reply_to)) {
174 $reply_notice = Notice::staticGet('id', $reply_to);
175 if (!empty($reply_notice)) {
176 $notice->reply_to = $reply_to;
177 $notice->conversation = $reply_notice->conversation;
181 if (Event::handle('StartNoticeSave', array(&$notice))) {
183 $id = $notice->insert();
186 common_log_db_error($notice, 'INSERT', __FILE__);
187 return _('Problem saving notice.');
190 # Update the URI after the notice is in the database
192 $orig = clone($notice);
193 $notice->uri = common_notice_uri($notice);
195 if (!$notice->update($orig)) {
196 common_log_db_error($notice, 'UPDATE', __FILE__);
197 return _('Problem saving notice.');
201 # XXX: do we need to change this for remote users?
203 $notice->saveReplies();
205 $notice->saveGroups();
207 if (common_config('queue', 'enabled')) {
208 $notice->addToAuthorInbox();
210 $notice->addToInboxes();
213 $notice->query('COMMIT');
215 Event::handle('EndNoticeSave', array($notice));
218 # Clear the cache for subscribed users, so they'll update at next request
219 # XXX: someone clever could prepend instead of clearing the cache
221 if (common_config('memcached', 'enabled')) {
222 if (common_config('queue', 'enabled')) {
223 $notice->blowAuthorCaches();
225 $notice->blowCaches();
232 static function checkDupes($profile_id, $content) {
233 $profile = Profile::staticGet($profile_id);
237 $notice = $profile->getNotices(0, NOTICE_CACHE_WINDOW);
240 while ($notice->fetch()) {
241 if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
243 } else if ($notice->content == $content) {
248 # If we get here, oldest item in cache window is not
249 # old enough for dupe limit; do direct check against DB
250 $notice = new Notice();
251 $notice->profile_id = $profile_id;
252 $notice->content = $content;
253 if (common_config('db','type') == 'pgsql')
254 $notice->whereAdd('extract(epoch from now() - created) < ' . common_config('site', 'dupelimit'));
256 $notice->whereAdd('now() - created < ' . common_config('site', 'dupelimit'));
258 $cnt = $notice->count();
262 static function checkEditThrottle($profile_id) {
263 $profile = Profile::staticGet($profile_id);
268 $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
269 if ($notice && $notice->fetch()) {
270 # If the Nth notice was posted less than timespan seconds ago
271 if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
276 # Either not N notices in the stream, OR the Nth was not posted within timespan seconds
280 function getUploadedAttachment() {
282 $query = 'select file.url as uploaded from file join file_to_post on file.id = file_id where post_id=' . $post->escape($post->id) . ' and url like "%/notice/%/file"';
283 $post->query($query);
285 $ret = $post->uploaded;
292 function hasAttachments() {
294 $query = "select count(file_id) as n_attachments from file join file_to_post on (file_id = file.id) join notice on (post_id = notice.id) where post_id = " . $post->escape($post->id);
295 $post->query($query);
297 $n_attachments = intval($post->n_attachments);
299 return $n_attachments;
302 function blowCaches($blowLast=false)
304 $this->blowSubsCache($blowLast);
305 $this->blowNoticeCache($blowLast);
306 $this->blowRepliesCache($blowLast);
307 $this->blowPublicCache($blowLast);
308 $this->blowTagCache($blowLast);
309 $this->blowGroupCache($blowLast);
312 function blowAuthorCaches($blowLast=false)
314 // Clear the user's cache
315 $cache = common_memcache();
316 if (!empty($cache)) {
317 $cache->delete(common_cache_key('notice_inbox:by_user:'.$this->profile_id));
319 $this->blowNoticeCache($blowLast);
320 $this->blowPublicCache($blowLast);
323 function blowGroupCache($blowLast=false)
325 $cache = common_memcache();
327 $group_inbox = new Group_inbox();
328 $group_inbox->notice_id = $this->id;
329 if ($group_inbox->find()) {
330 while ($group_inbox->fetch()) {
331 $cache->delete(common_cache_key('user_group:notice_ids:' . $group_inbox->group_id));
333 $cache->delete(common_cache_key('user_group:notice_ids:' . $group_inbox->group_id.';last'));
335 $member = new Group_member();
336 $member->group_id = $group_inbox->group_id;
337 if ($member->find()) {
338 while ($member->fetch()) {
339 $cache->delete(common_cache_key('notice_inbox:by_user:' . $member->profile_id));
341 $cache->delete(common_cache_key('notice_inbox:by_user:' . $member->profile_id . ';last'));
347 $group_inbox->free();
352 function blowTagCache($blowLast=false)
354 $cache = common_memcache();
356 $tag = new Notice_tag();
357 $tag->notice_id = $this->id;
359 while ($tag->fetch()) {
360 $tag->blowCache($blowLast);
368 function blowSubsCache($blowLast=false)
370 $cache = common_memcache();
374 $UT = common_config('db','type')=='pgsql'?'"user"':'user';
375 $user->query('SELECT id ' .
377 "FROM $UT JOIN subscription ON $UT.id = subscription.subscriber " .
378 'WHERE subscription.subscribed = ' . $this->profile_id);
380 while ($user->fetch()) {
381 $cache->delete(common_cache_key('notice_inbox:by_user:'.$user->id));
383 $cache->delete(common_cache_key('notice_inbox:by_user:'.$user->id.';last'));
391 function blowNoticeCache($blowLast=false)
393 if ($this->is_local) {
394 $cache = common_memcache();
395 if (!empty($cache)) {
396 $cache->delete(common_cache_key('profile:notice_ids:'.$this->profile_id));
398 $cache->delete(common_cache_key('profile:notice_ids:'.$this->profile_id.';last'));
404 function blowRepliesCache($blowLast=false)
406 $cache = common_memcache();
408 $reply = new Reply();
409 $reply->notice_id = $this->id;
410 if ($reply->find()) {
411 while ($reply->fetch()) {
412 $cache->delete(common_cache_key('reply:stream:'.$reply->profile_id));
414 $cache->delete(common_cache_key('reply:stream:'.$reply->profile_id.';last'));
423 function blowPublicCache($blowLast=false)
425 if ($this->is_local == 1) {
426 $cache = common_memcache();
428 $cache->delete(common_cache_key('public'));
430 $cache->delete(common_cache_key('public').';last');
436 function blowFavesCache($blowLast=false)
438 $cache = common_memcache();
441 $fave->notice_id = $this->id;
443 while ($fave->fetch()) {
444 $cache->delete(common_cache_key('fave:ids_by_user:'.$fave->user_id));
446 $cache->delete(common_cache_key('fave:ids_by_user:'.$fave->user_id.';last'));
455 # XXX: too many args; we need to move to named params or even a separate
456 # class for notice streams
458 static function getStream($qry, $cachekey, $offset=0, $limit=20, $since_id=0, $before_id=0, $order=null, $since=null) {
460 if (common_config('memcached', 'enabled')) {
462 # Skip the cache if this is a since, since_id or before_id qry
463 if ($since_id > 0 || $before_id > 0 || $since) {
464 return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $before_id, $order, $since);
466 return Notice::getCachedStream($qry, $cachekey, $offset, $limit, $order);
470 return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $before_id, $order, $since);
473 static function getStreamDirect($qry, $offset, $limit, $since_id, $before_id, $order, $since) {
478 if (preg_match('/\bWHERE\b/i', $qry)) {
492 $qry .= ' notice.id > ' . $since_id;
495 if ($before_id > 0) {
504 $qry .= ' notice.id < ' . $before_id;
516 $qry .= ' notice.created > \'' . date('Y-m-d H:i:s', $since) . '\'';
519 # Allow ORDER override
524 $qry .= ' ORDER BY notice.created DESC, notice.id DESC ';
527 if (common_config('db','type') == 'pgsql') {
528 $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
530 $qry .= ' LIMIT ' . $offset . ', ' . $limit;
533 $notice = new Notice();
535 $notice->query($qry);
540 # XXX: this is pretty long and should probably be broken up into
541 # some helper functions
543 static function getCachedStream($qry, $cachekey, $offset, $limit, $order) {
545 # If outside our cache window, just go to the DB
547 if ($offset + $limit > NOTICE_CACHE_WINDOW) {
548 return Notice::getStreamDirect($qry, $offset, $limit, null, null, $order, null);
551 # Get the cache; if we can't, just go to the DB
553 $cache = common_memcache();
556 return Notice::getStreamDirect($qry, $offset, $limit, null, null, $order, null);
559 # Get the notices out of the cache
561 $notices = $cache->get(common_cache_key($cachekey));
563 # On a cache hit, return a DB-object-like wrapper
565 if ($notices !== false) {
566 $wrapper = new ArrayWrapper(array_slice($notices, $offset, $limit));
570 # If the cache was invalidated because of new data being
571 # added, we can try and just get the new stuff. We keep an additional
572 # copy of the data at the key + ';last'
574 # No cache hit. Try to get the *last* cached version
576 $last_notices = $cache->get(common_cache_key($cachekey) . ';last');
580 # Reverse-chron order, so last ID is last.
582 $last_id = $last_notices[0]->id;
584 # XXX: this assumes monotonically increasing IDs; a fair
587 $new_notice = Notice::getStreamDirect($qry, 0, NOTICE_CACHE_WINDOW,
588 $last_id, null, $order, null);
591 $new_notices = array();
592 while ($new_notice->fetch()) {
593 $new_notices[] = clone($new_notice);
596 $notices = array_slice(array_merge($new_notices, $last_notices),
597 0, NOTICE_CACHE_WINDOW);
599 # Store the array in the cache for next time
601 $result = $cache->set(common_cache_key($cachekey), $notices);
602 $result = $cache->set(common_cache_key($cachekey) . ';last', $notices);
604 # return a wrapper of the array for use now
606 return new ArrayWrapper(array_slice($notices, $offset, $limit));
610 # Otherwise, get the full cache window out of the DB
612 $notice = Notice::getStreamDirect($qry, 0, NOTICE_CACHE_WINDOW, null, null, $order, null);
614 # If there are no hits, just return the value
620 # Pack results into an array
624 while ($notice->fetch()) {
625 $notices[] = clone($notice);
630 # Store the array in the cache for next time
632 $result = $cache->set(common_cache_key($cachekey), $notices);
633 $result = $cache->set(common_cache_key($cachekey) . ';last', $notices);
635 # return a wrapper of the array for use now
637 $wrapper = new ArrayWrapper(array_slice($notices, $offset, $limit));
642 function getStreamByIds($ids)
644 $cache = common_memcache();
646 if (!empty($cache)) {
648 foreach ($ids as $id) {
649 $notices[] = Notice::staticGet('id', $id);
651 return new ArrayWrapper($notices);
653 $notice = new Notice();
654 $notice->whereAdd('id in (' . implode(', ', $ids) . ')');
655 $notice->orderBy('id DESC');
662 function publicStream($offset=0, $limit=20, $since_id=0, $before_id=0, $since=null)
664 $ids = Notice::stream(array('Notice', '_publicStreamDirect'),
667 $offset, $limit, $since_id, $before_id, $since);
669 return Notice::getStreamByIds($ids);
672 function _publicStreamDirect($offset=0, $limit=20, $since_id=0, $before_id=0, $since=null)
674 $notice = new Notice();
676 $notice->selectAdd(); // clears it
677 $notice->selectAdd('id');
679 $notice->orderBy('id DESC');
681 if (!is_null($offset)) {
682 $notice->limit($offset, $limit);
685 if (common_config('public', 'localonly')) {
686 $notice->whereAdd('is_local = 1');
689 $notice->whereAdd('is_local != -1');
692 if ($since_id != 0) {
693 $notice->whereAdd('id > ' . $since_id);
696 if ($before_id != 0) {
697 $notice->whereAdd('id < ' . $before_id);
700 if (!is_null($since)) {
701 $notice->whereAdd('created > \'' . date('Y-m-d H:i:s', $since) . '\'');
706 if ($notice->find()) {
707 while ($notice->fetch()) {
708 $ids[] = $notice->id;
718 function addToInboxes()
720 $enabled = common_config('inboxes', 'enabled');
722 if ($enabled === true || $enabled === 'transitional') {
723 $inbox = new Notice_inbox();
724 $UT = common_config('db','type')=='pgsql'?'"user"':'user';
725 $qry = 'INSERT INTO notice_inbox (user_id, notice_id, created) ' .
726 "SELECT $UT.id, " . $this->id . ", '" . $this->created . "' " .
727 "FROM $UT JOIN subscription ON $UT.id = subscription.subscriber " .
728 'WHERE subscription.subscribed = ' . $this->profile_id . ' ' .
729 'AND NOT EXISTS (SELECT user_id, notice_id ' .
730 'FROM notice_inbox ' .
731 "WHERE user_id = $UT.id " .
732 'AND notice_id = ' . $this->id . ' )';
733 if ($enabled === 'transitional') {
734 $qry .= " AND $UT.inboxed = 1";
741 function addToAuthorInbox()
743 $enabled = common_config('inboxes', 'enabled');
745 if ($enabled === true || $enabled === 'transitional') {
746 $user = User::staticGet('id', $this->profile_id);
750 $inbox = new Notice_inbox();
751 $UT = common_config('db','type')=='pgsql'?'"user"':'user';
752 $qry = 'INSERT INTO notice_inbox (user_id, notice_id, created) ' .
753 "SELECT $UT.id, " . $this->id . ", '" . $this->created . "' " .
755 "WHERE $UT.id = " . $this->profile_id . ' ' .
756 'AND NOT EXISTS (SELECT user_id, notice_id ' .
757 'FROM notice_inbox ' .
758 "WHERE user_id = " . $this->profile_id . ' '.
759 'AND notice_id = ' . $this->id . ' )';
760 if ($enabled === 'transitional') {
761 $qry .= " AND $UT.inboxed = 1";
768 function saveGroups()
770 $enabled = common_config('inboxes', 'enabled');
771 if ($enabled !== true && $enabled !== 'transitional') {
775 /* extract all !group */
776 $count = preg_match_all('/(?:^|\s)!([A-Za-z0-9]{1,64})/',
777 strtolower($this->content),
783 $profile = $this->getProfile();
785 /* Add them to the database */
787 foreach (array_unique($match[1]) as $nickname) {
788 /* XXX: remote groups. */
789 $group = User_group::staticGet('nickname', $nickname);
795 // we automatically add a tag for every group name, too
797 $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($nickname),
798 'notice_id' => $this->id));
801 $this->saveTag($nickname);
804 if ($profile->isMember($group)) {
806 $gi = new Group_inbox();
808 $gi->group_id = $group->id;
809 $gi->notice_id = $this->id;
810 $gi->created = common_sql_now();
812 $result = $gi->insert();
815 common_log_db_error($gi, 'INSERT', __FILE__);
818 // FIXME: do this in an offline daemon
820 $this->addToGroupInboxes($group);
825 function addToGroupInboxes($group)
827 $inbox = new Notice_inbox();
828 $UT = common_config('db','type')=='pgsql'?'"user"':'user';
829 $qry = 'INSERT INTO notice_inbox (user_id, notice_id, created, source) ' .
830 "SELECT $UT.id, " . $this->id . ", '" . $this->created . "', 2 " .
831 "FROM $UT JOIN group_member ON $UT.id = group_member.profile_id " .
832 'WHERE group_member.group_id = ' . $group->id . ' ' .
833 'AND NOT EXISTS (SELECT user_id, notice_id ' .
834 'FROM notice_inbox ' .
835 "WHERE user_id = $UT.id " .
836 'AND notice_id = ' . $this->id . ' )';
837 if ($enabled === 'transitional') {
838 $qry .= " AND $UT.inboxed = 1";
840 $result = $inbox->query($qry);
843 function saveReplies()
845 // Alternative reply format
847 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $this->content, $match)) {
850 // extract all @messages
851 $cnt = preg_match_all('/(?:^|\s)@([a-z0-9]{1,64})/', $this->content, $match);
855 if ($cnt || $tname) {
856 // XXX: is there another way to make an array copy?
857 $names = ($tname) ? array_unique(array_merge(array(strtolower($tname)), $match[1])) : array_unique($match[1]);
860 $sender = Profile::staticGet($this->profile_id);
864 // store replied only for first @ (what user/notice what the reply directed,
865 // we assume first @ is it)
867 for ($i=0; $i<count($names); $i++) {
868 $nickname = $names[$i];
869 $recipient = common_relative_profile($sender, $nickname, $this->created);
873 if ($i == 0 && ($recipient->id != $sender->id) && !$this->reply_to) { // Don't save reply to self
874 $reply_for = $recipient;
875 $recipient_notice = $reply_for->getCurrentNotice();
876 if ($recipient_notice) {
877 $orig = clone($this);
878 $this->reply_to = $recipient_notice->id;
879 $this->conversation = $recipient_notice->conversation;
880 $this->update($orig);
883 // Don't save replies from blocked profile to local user
884 $recipient_user = User::staticGet('id', $recipient->id);
885 if ($recipient_user && $recipient_user->hasBlocked($sender)) {
888 $reply = new Reply();
889 $reply->notice_id = $this->id;
890 $reply->profile_id = $recipient->id;
891 $id = $reply->insert();
893 $last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
894 common_log(LOG_ERR, 'DB error inserting reply: ' . $last_error->message);
895 common_server_error(sprintf(_('DB error inserting reply: %s'), $last_error->message));
898 $replied[$recipient->id] = 1;
902 // Hash format replies, too
903 $cnt = preg_match_all('/(?:^|\s)@#([a-z0-9]{1,64})/', $this->content, $match);
905 foreach ($match[1] as $tag) {
906 $tagged = Profile_tag::getTagged($sender->id, $tag);
907 foreach ($tagged as $t) {
908 if (!$replied[$t->id]) {
909 // Don't save replies from blocked profile to local user
910 $t_user = User::staticGet('id', $t->id);
911 if ($t_user && $t_user->hasBlocked($sender)) {
914 $reply = new Reply();
915 $reply->notice_id = $this->id;
916 $reply->profile_id = $t->id;
917 $id = $reply->insert();
919 common_log_db_error($reply, 'INSERT', __FILE__);
922 $replied[$recipient->id] = 1;
929 // If it's not a reply, make it the root of a new conversation
931 if (empty($this->conversation)) {
932 $orig = clone($this);
933 $this->conversation = $this->id;
934 $this->update($orig);
937 foreach (array_keys($replied) as $recipient) {
938 $user = User::staticGet('id', $recipient);
940 mail_notify_attn($user, $this);
945 function asAtomEntry($namespace=false, $source=false)
947 $profile = $this->getProfile();
949 $xs = new XMLStringer(true);
952 $attrs = array('xmlns' => 'http://www.w3.org/2005/Atom',
953 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0');
958 $xs->elementStart('entry', $attrs);
961 $xs->elementStart('source');
962 $xs->element('title', null, $profile->nickname . " - " . common_config('site', 'name'));
963 $xs->element('link', array('href' => $profile->profileurl));
964 $user = User::staticGet('id', $profile->id);
966 $atom_feed = common_local_url('api',
967 array('apiaction' => 'statuses',
968 'method' => 'user_timeline',
969 'argument' => $profile->nickname.'.atom'));
970 $xs->element('link', array('rel' => 'self',
971 'type' => 'application/atom+xml',
972 'href' => $profile->profileurl));
973 $xs->element('link', array('rel' => 'license',
974 'href' => common_config('license', 'url')));
977 $xs->element('icon', null, $profile->avatarUrl(AVATAR_PROFILE_SIZE));
980 $xs->elementStart('author');
981 $xs->element('name', null, $profile->nickname);
982 $xs->element('uri', null, $profile->profileurl);
983 $xs->elementEnd('author');
986 $xs->elementEnd('source');
989 $xs->element('title', null, $this->content);
990 $xs->element('summary', null, $this->content);
992 $xs->element('link', array('rel' => 'alternate',
993 'href' => $this->bestUrl()));
995 $xs->element('id', null, $this->uri);
997 $xs->element('published', null, common_date_w3dtf($this->created));
998 $xs->element('updated', null, common_date_w3dtf($this->modified));
1000 if ($this->reply_to) {
1001 $reply_notice = Notice::staticGet('id', $this->reply_to);
1002 if (!empty($reply_notice)) {
1003 $xs->element('link', array('rel' => 'related',
1004 'href' => $reply_notice->bestUrl()));
1005 $xs->element('thr:in-reply-to',
1006 array('ref' => $reply_notice->uri,
1007 'href' => $reply_notice->bestUrl()));
1011 $xs->element('content', array('type' => 'html'), $this->rendered);
1013 $tag = new Notice_tag();
1014 $tag->notice_id = $this->id;
1016 while ($tag->fetch()) {
1017 $xs->element('category', array('term' => $tag->tag));
1022 $xs->elementEnd('entry');
1024 return $xs->getString();
1029 if (!empty($this->url)) {
1031 } else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
1034 return common_local_url('shownotice',
1035 array('notice' => $this->id));
1039 function stream($fn, $args, $cachekey, $offset=0, $limit=20, $since_id=0, $before_id=0, $since=null, $tag=null)
1041 $cache = common_memcache();
1043 if (empty($cache) ||
1044 $since_id != 0 || $before_id != 0 || !is_null($since) ||
1045 ($offset + $limit) > NOTICE_CACHE_WINDOW) {
1046 return call_user_func_array($fn, array_merge($args, array($offset, $limit, $since_id,
1047 $before_id, $since, $tag)));
1050 $idkey = common_cache_key($cachekey);
1052 $idstr = $cache->get($idkey);
1054 if (!empty($idstr)) {
1055 // Cache hit! Woohoo!
1056 $window = explode(',', $idstr);
1057 $ids = array_slice($window, $offset, $limit);
1061 $laststr = $cache->get($idkey.';last');
1063 if (!empty($laststr)) {
1064 $window = explode(',', $laststr);
1065 $last_id = $window[0];
1066 $new_ids = call_user_func_array($fn, array_merge($args, array(0, NOTICE_CACHE_WINDOW,
1067 $last_id, 0, null, $tag)));
1069 $new_window = array_merge($new_ids, $window);
1071 $new_windowstr = implode(',', $new_window);
1073 $result = $cache->set($idkey, $new_windowstr);
1074 $result = $cache->set($idkey . ';last', $new_windowstr);
1076 $ids = array_slice($new_window, $offset, $limit);
1081 $window = call_user_func_array($fn, array_merge($args, array(0, NOTICE_CACHE_WINDOW,
1082 0, 0, null, $tag)));
1084 $windowstr = implode(',', $window);
1086 $result = $cache->set($idkey, $windowstr);
1087 $result = $cache->set($idkey . ';last', $windowstr);
1089 $ids = array_slice($window, $offset, $limit);