3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, 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/>.
21 * @author Brenda Wallace <shiny@cpan.org>
22 * @author Christopher Vollick <psycotica0@gmail.com>
23 * @author CiaranG <ciaran@ciarang.com>
24 * @author Craig Andrews <candrews@integralblue.com>
25 * @author Evan Prodromou <evan@controlezvous.ca>
26 * @author Gina Haeussge <osd@foosel.net>
27 * @author Jeffery To <jeffery.to@gmail.com>
28 * @author Mike Cochrane <mikec@mikenz.geek.nz>
29 * @author Robin Millette <millette@controlyourself.ca>
30 * @author Sarven Capadisli <csarven@controlyourself.ca>
31 * @author Tom Adams <tom@holizz.com>
32 * @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
33 * @license GNU Affero General Public License http://www.gnu.org/licenses/
36 if (!defined('STATUSNET') && !defined('LACONICA')) {
41 * Table Definition for notice
43 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
45 /* We keep 200 notices, the max number of notices available per API request,
46 * in the memcached cache. */
48 define('NOTICE_CACHE_WINDOW', 200);
50 define('MAX_BOXCARS', 128);
52 class Notice extends Memcached_DataObject
55 /* the code below is auto generated do not remove the above tag */
57 public $__table = 'notice'; // table name
58 public $id; // int(4) primary_key not_null
59 public $profile_id; // int(4) multiple_key not_null
60 public $uri; // varchar(255) unique_key
61 public $content; // text
62 public $rendered; // text
63 public $url; // varchar(255)
64 public $created; // datetime multiple_key not_null default_0000-00-00%2000%3A00%3A00
65 public $modified; // timestamp not_null default_CURRENT_TIMESTAMP
66 public $reply_to; // int(4)
67 public $is_local; // int(4)
68 public $source; // varchar(32)
69 public $conversation; // int(4)
70 public $lat; // decimal(10,7)
71 public $lon; // decimal(10,7)
72 public $location_id; // int(4)
73 public $location_ns; // int(4)
74 public $repeat_of; // int(4)
75 public $object_type; // varchar(255)
78 function staticGet($k,$v=NULL)
80 return Memcached_DataObject::staticGet('Notice',$k,$v);
83 /* the code above is auto generated do not remove the tag below */
87 const LOCAL_PUBLIC = 1;
89 const LOCAL_NONPUBLIC = -1;
94 $profile = Profile::staticGet('id', $this->profile_id);
96 if (empty($profile)) {
97 // TRANS: Server exception thrown when a user profile for a notice cannot be found.
98 // TRANS: %1$d is a profile ID (number), %2$d is a notice ID (number).
99 throw new ServerException(sprintf(_('No such profile (%1$d) for notice (%2$d).'), $this->profile_id, $this->id));
107 // For auditing purposes, save a record that the notice
110 // @fixme we have some cases where things get re-run and so the
112 $deleted = Deleted_notice::staticGet('id', $this->id);
115 $deleted = Deleted_notice::staticGet('uri', $this->uri);
119 $deleted = new Deleted_notice();
121 $deleted->id = $this->id;
122 $deleted->profile_id = $this->profile_id;
123 $deleted->uri = $this->uri;
124 $deleted->created = $this->created;
125 $deleted->deleted = common_sql_now();
130 if (Event::handle('NoticeDeleteRelated', array($this))) {
132 // Clear related records
134 $this->clearReplies();
135 $this->clearRepeats();
138 $this->clearGroupInboxes();
141 // NOTE: we don't clear inboxes
142 // NOTE: we don't clear queue items
145 $result = parent::delete();
147 $this->blowOnDelete();
152 * Extract #hashtags from this notice's content and save them to the database.
156 /* extract all #hastags */
157 $count = preg_match_all('/(?:^|\s)#([\pL\pN_\-\.]{1,64})/u', strtolower($this->content), $match);
162 /* Add them to the database */
163 return $this->saveKnownTags($match[1]);
167 * Record the given set of hash tags in the db for this notice.
168 * Given tag strings will be normalized and checked for dupes.
170 function saveKnownTags($hashtags)
172 //turn each into their canonical tag
173 //this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
174 for($i=0; $i<count($hashtags); $i++) {
175 /* elide characters we don't want in the tag */
176 $hashtags[$i] = common_canonical_tag($hashtags[$i]);
179 foreach(array_unique($hashtags) as $hashtag) {
180 $this->saveTag($hashtag);
181 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, $hashtag);
187 * Record a single hash tag as associated with this notice.
188 * Tag format and uniqueness must be validated by caller.
190 function saveTag($hashtag)
192 $tag = new Notice_tag();
193 $tag->notice_id = $this->id;
194 $tag->tag = $hashtag;
195 $tag->created = $this->created;
196 $id = $tag->insert();
199 // TRANS: Server exception. %s are the error details.
200 throw new ServerException(sprintf(_('Database error inserting hashtag: %s'),
201 $last_error->message));
205 // if it's saved, blow its cache
206 $tag->blowCache(false);
210 * Save a new notice and push it out to subscribers' inboxes.
211 * Poster's permissions are checked before sending.
213 * @param int $profile_id Profile ID of the poster
214 * @param string $content source message text; links may be shortened
215 * per current user's preference
216 * @param string $source source key ('web', 'api', etc)
217 * @param array $options Associative array of optional properties:
218 * string 'created' timestamp of notice; defaults to now
219 * int 'is_local' source/gateway ID, one of:
220 * Notice::LOCAL_PUBLIC - Local, ok to appear in public timeline
221 * Notice::REMOTE_OMB - Sent from a remote OMB service;
222 * hide from public timeline but show in
223 * local "and friends" timelines
224 * Notice::LOCAL_NONPUBLIC - Local, but hide from public timeline
225 * Notice::GATEWAY - From another non-OMB service;
226 * will not appear in public views
227 * float 'lat' decimal latitude for geolocation
228 * float 'lon' decimal longitude for geolocation
229 * int 'location_id' geoname identifier
230 * int 'location_ns' geoname namespace to interpret location_id
231 * int 'reply_to'; notice ID this is a reply to
232 * int 'repeat_of'; notice ID this is a repeat of
233 * string 'uri' unique ID for notice; defaults to local notice URL
234 * string 'url' permalink to notice; defaults to local notice URL
235 * string 'rendered' rendered HTML version of content
236 * array 'replies' list of profile URIs for reply delivery in
237 * place of extracting @-replies from content.
238 * array 'groups' list of group IDs to deliver to, in place of
239 * extracting ! tags from content
240 * array 'tags' list of hashtag strings to save with the notice
241 * in place of extracting # tags from content
242 * array 'urls' list of attached/referred URLs to save with the
243 * notice in place of extracting links from content
244 * boolean 'distribute' whether to distribute the notice, default true
245 * string 'object_type' URL of the associated object type (default ActivityObject::NOTE)
247 * @fixme tag override
250 * @throws ClientException
252 static function saveNew($profile_id, $content, $source, $options=null) {
253 $defaults = array('uri' => null,
257 'distribute' => true);
259 if (!empty($options)) {
260 $options = $options + $defaults;
266 if (!isset($is_local)) {
267 $is_local = Notice::LOCAL_PUBLIC;
270 $profile = Profile::staticGet('id', $profile_id);
271 $user = User::staticGet('id', $profile_id);
273 // Use the local user's shortening preferences, if applicable.
274 $final = $user->shortenLinks($content);
276 $final = common_shorten_links($content);
279 if (Notice::contentTooLong($final)) {
280 // TRANS: Client exception thrown if a notice contains too many characters.
281 throw new ClientException(_('Problem saving notice. Too long.'));
284 if (empty($profile)) {
285 // TRANS: Client exception thrown when trying to save a notice for an unknown user.
286 throw new ClientException(_('Problem saving notice. Unknown user.'));
289 if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
290 common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
291 // TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
292 throw new ClientException(_('Too many notices too fast; take a breather '.
293 'and post again in a few minutes.'));
296 if (common_config('site', 'dupelimit') > 0 && !Notice::checkDupes($profile_id, $final)) {
297 common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
298 // TRANS: Client exception thrown when a user tries to post too many duplicate notices in a given time frame.
299 throw new ClientException(_('Too many duplicate messages too quickly;'.
300 ' take a breather and post again in a few minutes.'));
303 if (!$profile->hasRight(Right::NEWNOTICE)) {
304 common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $profile->nickname);
306 // TRANS: Client exception thrown when a user tries to post while being banned.
307 throw new ClientException(_('You are banned from posting notices on this site.'), 403);
310 $notice = new Notice();
311 $notice->profile_id = $profile_id;
313 $autosource = common_config('public', 'autosource');
315 # Sandboxed are non-false, but not 1, either
317 if (!$profile->hasRight(Right::PUBLICNOTICE) ||
318 ($source && $autosource && in_array($source, $autosource))) {
319 $notice->is_local = Notice::LOCAL_NONPUBLIC;
321 $notice->is_local = $is_local;
324 if (!empty($created)) {
325 $notice->created = $created;
327 $notice->created = common_sql_now();
330 $notice->content = $final;
332 $notice->source = $source;
336 // Handle repeat case
338 if (isset($repeat_of)) {
339 $notice->repeat_of = $repeat_of;
341 $notice->reply_to = self::getReplyTo($reply_to, $profile_id, $source, $final);
344 if (!empty($notice->reply_to)) {
345 $reply = Notice::staticGet('id', $notice->reply_to);
346 $notice->conversation = $reply->conversation;
349 if (!empty($lat) && !empty($lon)) {
354 if (!empty($location_ns) && !empty($location_id)) {
355 $notice->location_id = $location_id;
356 $notice->location_ns = $location_ns;
359 if (!empty($rendered)) {
360 $notice->rendered = $rendered;
362 $notice->rendered = common_render_content($final, $notice);
365 if (empty($object_type)) {
366 $notice->object_type = (empty($notice->reply_to)) ? ActivityObject::NOTE : ActivityObject::COMMENT;
368 $notice->object_type = $object_type;
371 if (Event::handle('StartNoticeSave', array(&$notice))) {
373 // XXX: some of these functions write to the DB
375 $id = $notice->insert();
378 common_log_db_error($notice, 'INSERT', __FILE__);
379 // TRANS: Server exception thrown when a notice cannot be saved.
380 throw new ServerException(_('Problem saving notice.'));
383 // Update ID-dependent columns: URI, conversation
385 $orig = clone($notice);
390 $notice->uri = common_notice_uri($notice);
394 // If it's not part of a conversation, it's
395 // the beginning of a new conversation.
397 if (empty($notice->conversation)) {
398 $conv = Conversation::create();
399 $notice->conversation = $conv->id;
404 if (!$notice->update($orig)) {
405 common_log_db_error($notice, 'UPDATE', __FILE__);
406 // TRANS: Server exception thrown when a notice cannot be updated.
407 throw new ServerException(_('Problem saving notice.'));
413 # Clear the cache for subscribed users, so they'll update at next request
414 # XXX: someone clever could prepend instead of clearing the cache
416 $notice->blowOnInsert();
418 // Save per-notice metadata...
420 if (isset($replies)) {
421 $notice->saveKnownReplies($replies);
423 $notice->saveReplies();
427 $notice->saveKnownTags($tags);
432 // Note: groups may save tags, so must be run after tags are saved
433 // to avoid errors on duplicates.
434 if (isset($groups)) {
435 $notice->saveKnownGroups($groups);
437 $notice->saveGroups();
441 $notice->saveKnownUrls($urls);
447 // Prepare inbox delivery, may be queued to background.
448 $notice->distribute();
454 function blowOnInsert($conversation = false)
456 self::blow('profile:notice_ids:%d', $this->profile_id);
458 if ($this->isPublic()) {
459 self::blow('public');
462 // XXX: Before we were blowing the casche only if the notice id
463 // was not the root of the conversation. What to do now?
465 self::blow('notice:conversation_ids:%d', $this->conversation);
467 if (!empty($this->repeat_of)) {
468 self::blow('notice:repeats:%d', $this->repeat_of);
471 $original = Notice::staticGet('id', $this->repeat_of);
473 if (!empty($original)) {
474 $originalUser = User::staticGet('id', $original->profile_id);
475 if (!empty($originalUser)) {
476 self::blow('user:repeats_of_me:%d', $originalUser->id);
480 $profile = Profile::staticGet($this->profile_id);
481 if (!empty($profile)) {
482 $profile->blowNoticeCount();
487 * Clear cache entries related to this notice at delete time.
488 * Necessary to avoid breaking paging on public, profile timelines.
490 function blowOnDelete()
492 $this->blowOnInsert();
494 self::blow('profile:notice_ids:%d;last', $this->profile_id);
496 if ($this->isPublic()) {
497 self::blow('public;last');
501 /** save all urls in the notice to the db
503 * follow redirects and save all available file information
504 * (mimetype, date, size, oembed, etc.)
508 function saveUrls() {
509 if (common_config('attachments', 'process_links')) {
510 common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
515 * Save the given URLs as related links/attachments to the db
517 * follow redirects and save all available file information
518 * (mimetype, date, size, oembed, etc.)
522 function saveKnownUrls($urls)
524 if (common_config('attachments', 'process_links')) {
525 // @fixme validation?
526 foreach (array_unique($urls) as $url) {
527 File::processNew($url, $this->id);
535 function saveUrl($url, $notice_id) {
536 File::processNew($url, $notice_id);
539 static function checkDupes($profile_id, $content) {
540 $profile = Profile::staticGet($profile_id);
541 if (empty($profile)) {
544 $notice = $profile->getNotices(0, NOTICE_CACHE_WINDOW);
545 if (!empty($notice)) {
547 while ($notice->fetch()) {
548 if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
550 } else if ($notice->content == $content) {
555 # If we get here, oldest item in cache window is not
556 # old enough for dupe limit; do direct check against DB
557 $notice = new Notice();
558 $notice->profile_id = $profile_id;
559 $notice->content = $content;
560 $threshold = common_sql_date(time() - common_config('site', 'dupelimit'));
561 $notice->whereAdd(sprintf("created > '%s'", $notice->escape($threshold)));
563 $cnt = $notice->count();
567 static function checkEditThrottle($profile_id) {
568 $profile = Profile::staticGet($profile_id);
569 if (empty($profile)) {
573 $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
574 if ($notice && $notice->fetch()) {
575 # If the Nth notice was posted less than timespan seconds ago
576 if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
581 # Either not N notices in the stream, OR the Nth was not posted within timespan seconds
585 function getUploadedAttachment() {
587 $query = 'select file.url as up, file.id as i from file join file_to_post on file.id = file_id where post_id=' . $post->escape($post->id) . ' and url like "%/notice/%/file"';
588 $post->query($query);
590 if (empty($post->up) || empty($post->i)) {
593 $ret = array($post->up, $post->i);
599 function hasAttachments() {
601 $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);
602 $post->query($query);
604 $n_attachments = intval($post->n_attachments);
606 return $n_attachments;
609 function attachments() {
612 $f2p = new File_to_post;
613 $f2p->post_id = $this->id;
615 while ($f2p->fetch()) {
616 $f = File::staticGet($f2p->file_id);
625 function getStreamByIds($ids)
627 $cache = Cache::instance();
629 if (!empty($cache)) {
631 foreach ($ids as $id) {
632 $n = Notice::staticGet('id', $id);
637 return new ArrayWrapper($notices);
639 $notice = new Notice();
641 //if no IDs requested, just return the notice object
644 $notice->whereAdd('id in (' . implode(', ', $ids) . ')');
650 while ($notice->fetch()) {
651 $temp[$notice->id] = clone($notice);
656 foreach ($ids as $id) {
657 if (array_key_exists($id, $temp)) {
658 $wrapped[] = $temp[$id];
662 return new ArrayWrapper($wrapped);
666 function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
668 $ids = Notice::stream(array('Notice', '_publicStreamDirect'),
671 $offset, $limit, $since_id, $max_id);
672 return Notice::getStreamByIds($ids);
675 function _publicStreamDirect($offset=0, $limit=20, $since_id=0, $max_id=0)
677 $notice = new Notice();
679 $notice->selectAdd(); // clears it
680 $notice->selectAdd('id');
682 $notice->orderBy('created DESC, id DESC');
684 if (!is_null($offset)) {
685 $notice->limit($offset, $limit);
688 if (common_config('public', 'localonly')) {
689 $notice->whereAdd('is_local = ' . Notice::LOCAL_PUBLIC);
691 # -1 == blacklisted, -2 == gateway (i.e. Twitter)
692 $notice->whereAdd('is_local !='. Notice::LOCAL_NONPUBLIC);
693 $notice->whereAdd('is_local !='. Notice::GATEWAY);
696 Notice::addWhereSinceId($notice, $since_id);
697 Notice::addWhereMaxId($notice, $max_id);
701 if ($notice->find()) {
702 while ($notice->fetch()) {
703 $ids[] = $notice->id;
713 function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
715 $ids = Notice::stream(array('Notice', '_conversationStreamDirect'),
717 'notice:conversation_ids:'.$id,
718 $offset, $limit, $since_id, $max_id);
720 return Notice::getStreamByIds($ids);
723 function _conversationStreamDirect($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
725 $notice = new Notice();
727 $notice->selectAdd(); // clears it
728 $notice->selectAdd('id');
730 $notice->conversation = $id;
732 $notice->orderBy('created DESC, id DESC');
734 if (!is_null($offset)) {
735 $notice->limit($offset, $limit);
738 Notice::addWhereSinceId($notice, $since_id);
739 Notice::addWhereMaxId($notice, $max_id);
743 if ($notice->find()) {
744 while ($notice->fetch()) {
745 $ids[] = $notice->id;
756 * Is this notice part of an active conversation?
758 * @return boolean true if other messages exist in the same
759 * conversation, false if this is the only one
761 function hasConversation()
763 if (!empty($this->conversation)) {
764 $conversation = Notice::conversationStream(
770 if ($conversation->N > 0) {
778 * Pull up a full list of local recipients who will be getting
779 * this notice in their inbox. Results will be cached, so don't
780 * change the input data wily-nilly!
782 * @param array $groups optional list of Group objects;
783 * if left empty, will be loaded from group_inbox records
784 * @param array $recipient optional list of reply profile ids
785 * if left empty, will be loaded from reply records
786 * @return array associating recipient user IDs with an inbox source constant
788 function whoGets($groups=null, $recipients=null)
790 $c = self::memcache();
793 $ni = $c->get(Cache::key('notice:who_gets:'.$this->id));
799 if (is_null($groups)) {
800 $groups = $this->getGroups();
803 if (is_null($recipients)) {
804 $recipients = $this->getReplies();
807 $users = $this->getSubscribedUsers();
809 // FIXME: kind of ignoring 'transitional'...
810 // we'll probably stop supporting inboxless mode
815 foreach ($users as $id) {
816 $ni[$id] = NOTICE_INBOX_SOURCE_SUB;
819 foreach ($groups as $group) {
820 $users = $group->getUserMembers();
821 foreach ($users as $id) {
822 if (!array_key_exists($id, $ni)) {
823 $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
828 foreach ($recipients as $recipient) {
829 if (!array_key_exists($recipient, $ni)) {
830 $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
834 // Exclude any deleted, non-local, or blocking recipients.
835 $profile = $this->getProfile();
836 $originalProfile = null;
837 if ($this->repeat_of) {
838 // Check blocks against the original notice's poster as well.
839 $original = Notice::staticGet('id', $this->repeat_of);
841 $originalProfile = $original->getProfile();
844 foreach ($ni as $id => $source) {
845 $user = User::staticGet('id', $id);
846 if (empty($user) || $user->hasBlocked($profile) ||
847 ($originalProfile && $user->hasBlocked($originalProfile))) {
853 // XXX: pack this data better
854 $c->set(Cache::key('notice:who_gets:'.$this->id), $ni);
861 * Adds this notice to the inboxes of each local user who should receive
862 * it, based on author subscriptions, group memberships, and @-replies.
864 * Warning: running a second time currently will make items appear
865 * multiple times in users' inboxes.
867 * @fixme make more robust against errors
868 * @fixme break up massive deliveries to smaller background tasks
870 * @param array $groups optional list of Group objects;
871 * if left empty, will be loaded from group_inbox records
872 * @param array $recipient optional list of reply profile ids
873 * if left empty, will be loaded from reply records
875 function addToInboxes($groups=null, $recipients=null)
877 $ni = $this->whoGets($groups, $recipients);
879 $ids = array_keys($ni);
881 // We remove the author (if they're a local user),
882 // since we'll have already done this in distribute()
884 $i = array_search($this->profile_id, $ids);
892 Inbox::bulkInsert($this->id, $ids);
897 function getSubscribedUsers()
901 if(common_config('db','quote_identifiers'))
902 $user_table = '"user"';
903 else $user_table = 'user';
907 'FROM '. $user_table .' JOIN subscription '.
908 'ON '. $user_table .'.id = subscription.subscriber ' .
909 'WHERE subscription.subscribed = %d ';
911 $user->query(sprintf($qry, $this->profile_id));
915 while ($user->fetch()) {
925 * Record this notice to the given group inboxes for delivery.
926 * Overrides the regular parsing of !group markup.
928 * @param string $group_ids
929 * @fixme might prefer URIs as identifiers, as for replies?
930 * best with generalizations on user_group to support
931 * remote groups better.
933 function saveKnownGroups($group_ids)
935 if (!is_array($group_ids)) {
936 // TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
937 throw new ServerException(_('Bad type provided to saveKnownGroups.'));
941 foreach (array_unique($group_ids) as $id) {
942 $group = User_group::staticGet('id', $id);
944 common_log(LOG_ERR, "Local delivery to group id $id, $group->nickname");
945 $result = $this->addToGroupInbox($group);
947 common_log_db_error($gi, 'INSERT', __FILE__);
950 // @fixme should we save the tags here or not?
951 $groups[] = clone($group);
953 common_log(LOG_ERR, "Local delivery to group id $id skipped, doesn't exist");
961 * Parse !group delivery and record targets into group_inbox.
962 * @return array of Group objects
964 function saveGroups()
966 // Don't save groups for repeats
968 if (!empty($this->repeat_of)) {
974 /* extract all !group */
975 $count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
976 strtolower($this->content),
982 $profile = $this->getProfile();
984 /* Add them to the database */
986 foreach (array_unique($match[1]) as $nickname) {
987 /* XXX: remote groups. */
988 $group = User_group::getForNickname($nickname, $profile);
994 // we automatically add a tag for every group name, too
996 $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($nickname),
997 'notice_id' => $this->id));
1000 $this->saveTag($nickname);
1003 if ($profile->isMember($group)) {
1005 $result = $this->addToGroupInbox($group);
1008 common_log_db_error($gi, 'INSERT', __FILE__);
1011 $groups[] = clone($group);
1018 function addToGroupInbox($group)
1020 $gi = Group_inbox::pkeyGet(array('group_id' => $group->id,
1021 'notice_id' => $this->id));
1025 $gi = new Group_inbox();
1027 $gi->group_id = $group->id;
1028 $gi->notice_id = $this->id;
1029 $gi->created = $this->created;
1031 $result = $gi->insert();
1034 common_log_db_error($gi, 'INSERT', __FILE__);
1035 // TRANS: Server exception thrown when an update for a group inbox fails.
1036 throw new ServerException(_('Problem saving group inbox.'));
1039 self::blow('user_group:notice_ids:%d', $gi->group_id);
1046 * Save reply records indicating that this notice needs to be
1047 * delivered to the local users with the given URIs.
1049 * Since this is expected to be used when saving foreign-sourced
1050 * messages, we won't deliver to any remote targets as that's the
1051 * source service's responsibility.
1053 * Mail notifications etc will be handled later.
1055 * @param array of unique identifier URIs for recipients
1057 function saveKnownReplies($uris)
1063 $sender = Profile::staticGet($this->profile_id);
1065 foreach (array_unique($uris) as $uri) {
1067 $profile = Profile::fromURI($uri);
1069 if (empty($profile)) {
1070 common_log(LOG_WARNING, "Unable to determine profile for URI '$uri'");
1074 if ($profile->hasBlocked($sender)) {
1075 common_log(LOG_INFO, "Not saving reply to profile {$profile->id} ($uri) from sender {$sender->id} because of a block.");
1079 $reply = new Reply();
1081 $reply->notice_id = $this->id;
1082 $reply->profile_id = $profile->id;
1083 $reply->modified = $this->created;
1085 common_log(LOG_INFO, __METHOD__ . ": saving reply: notice $this->id to profile $profile->id");
1087 $id = $reply->insert();
1094 * Pull @-replies from this message's content in StatusNet markup format
1095 * and save reply records indicating that this message needs to be
1096 * delivered to those users.
1098 * Mail notifications to local profiles will be sent later.
1100 * @return array of integer profile IDs
1103 function saveReplies()
1105 // Don't save reply data for repeats
1107 if (!empty($this->repeat_of)) {
1111 $sender = Profile::staticGet($this->profile_id);
1113 // @todo ideally this parser information would only
1114 // be calculated once.
1116 $mentions = common_find_mentions($this->content, $this);
1120 // store replied only for first @ (what user/notice what the reply directed,
1121 // we assume first @ is it)
1123 foreach ($mentions as $mention) {
1125 foreach ($mention['mentioned'] as $mentioned) {
1127 // skip if they're already covered
1129 if (!empty($replied[$mentioned->id])) {
1133 // Don't save replies from blocked profile to local user
1135 $mentioned_user = User::staticGet('id', $mentioned->id);
1136 if (!empty($mentioned_user) && $mentioned_user->hasBlocked($sender)) {
1140 $reply = new Reply();
1142 $reply->notice_id = $this->id;
1143 $reply->profile_id = $mentioned->id;
1144 $reply->modified = $this->created;
1146 $id = $reply->insert();
1149 common_log_db_error($reply, 'INSERT', __FILE__);
1150 // TRANS: Server exception thrown when a reply cannot be saved.
1151 // TRANS: %1$d is a notice ID, %2$d is the ID of the mentioned user.
1152 throw new ServerException(sprintf(_('Could not save reply for %1$d, %2$d.'), $this->id, $mentioned->id));
1154 $replied[$mentioned->id] = 1;
1155 self::blow('reply:stream:%d', $mentioned->id);
1160 $recipientIds = array_keys($replied);
1162 return $recipientIds;
1166 * Pull the complete list of @-reply targets for this notice.
1168 * @return array of integer profile ids
1170 function getReplies()
1176 $reply = new Reply();
1177 $reply->selectAdd();
1178 $reply->selectAdd('profile_id');
1179 $reply->notice_id = $this->id;
1181 if ($reply->find()) {
1182 while($reply->fetch()) {
1183 $ids[] = $reply->profile_id;
1193 * Send e-mail notifications to local @-reply targets.
1195 * Replies must already have been saved; this is expected to be run
1196 * from the distrib queue handler.
1198 function sendReplyNotifications()
1200 // Don't send reply notifications for repeats
1202 if (!empty($this->repeat_of)) {
1206 $recipientIds = $this->getReplies();
1208 foreach ($recipientIds as $recipientId) {
1209 $user = User::staticGet('id', $recipientId);
1210 if (!empty($user)) {
1211 mail_notify_attn($user, $this);
1217 * Pull list of groups this notice needs to be delivered to,
1218 * as previously recorded by saveGroups() or saveKnownGroups().
1220 * @return array of Group objects
1222 function getGroups()
1224 // Don't save groups for repeats
1226 if (!empty($this->repeat_of)) {
1234 $gi = new Group_inbox();
1237 $gi->selectAdd('group_id');
1239 $gi->notice_id = $this->id;
1242 while ($gi->fetch()) {
1243 $group = User_group::staticGet('id', $gi->group_id);
1256 * Convert a notice into an activity for export.
1258 * @param User $cur Current user
1260 * @return Activity activity object representing this Notice.
1263 function asActivity($cur)
1265 $act = self::cacheGet(Cache::codeKey('notice:as-activity:'.$this->id));
1270 $act = new Activity();
1272 if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
1274 $profile = $this->getProfile();
1276 $act->actor = ActivityObject::fromProfile($profile);
1277 $act->actor->extra[] = $profile->profileInfo($cur);
1278 $act->verb = ActivityVerb::POST;
1279 $act->objects[] = ActivityObject::fromNotice($this);
1281 // XXX: should this be handled by default processing for object entry?
1283 $act->time = strtotime($this->created);
1284 $act->link = $this->bestUrl();
1286 $act->content = common_xml_safe_str($this->rendered);
1287 $act->id = $this->uri;
1288 $act->title = common_xml_safe_str($this->content);
1292 $tags = $this->getTags();
1294 foreach ($tags as $tag) {
1295 $cat = new AtomCategory();
1298 $act->categories[] = $cat;
1302 // XXX: use Atom Media and/or File activity objects instead
1304 $attachments = $this->attachments();
1306 foreach ($attachments as $attachment) {
1307 $enclosure = $attachment->getEnclosure();
1309 $act->enclosures[] = $enclosure;
1313 $ctx = new ActivityContext();
1315 if (!empty($this->reply_to)) {
1316 $reply = Notice::staticGet('id', $this->reply_to);
1317 if (!empty($reply)) {
1318 $ctx->replyToID = $reply->uri;
1319 $ctx->replyToUrl = $reply->bestUrl();
1323 $ctx->location = $this->getLocation();
1327 if (!empty($this->conversation)) {
1328 $conv = Conversation::staticGet('id', $this->conversation);
1329 if (!empty($conv)) {
1330 $ctx->conversation = $conv->uri;
1334 $reply_ids = $this->getReplies();
1336 foreach ($reply_ids as $id) {
1337 $profile = Profile::staticGet('id', $id);
1338 if (!empty($profile)) {
1339 $ctx->attention[] = $profile->getUri();
1343 $groups = $this->getGroups();
1345 foreach ($groups as $group) {
1346 $ctx->attention[] = $group->getUri();
1349 // XXX: deprecated; use ActivityVerb::SHARE instead
1353 if (!empty($this->repeat_of)) {
1354 $repeat = Notice::staticGet('id', $this->repeat_of);
1355 $ctx->forwardID = $repeat->uri;
1356 $ctx->forwardUrl = $repeat->bestUrl();
1359 $act->context = $ctx;
1363 $atom_feed = $profile->getAtomFeed();
1365 if (!empty($atom_feed)) {
1367 $act->source = new ActivitySource();
1369 // XXX: we should store the actual feed ID
1371 $act->source->id = $atom_feed;
1373 // XXX: we should store the actual feed title
1375 $act->source->title = $profile->getBestName();
1377 $act->source->links['alternate'] = $profile->profileurl;
1378 $act->source->links['self'] = $atom_feed;
1380 $act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
1382 $notice = $profile->getCurrentNotice();
1384 if (!empty($notice)) {
1385 $act->source->updated = self::utcDate($notice->created);
1388 $user = User::staticGet('id', $profile->id);
1390 if (!empty($user)) {
1391 $act->source->links['license'] = common_config('license', 'url');
1395 if ($this->isLocal()) {
1396 $act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id,
1397 'format' => 'atom'));
1398 $act->editLink = $act->selfLink;
1401 Event::handle('EndNoticeAsActivity', array($this, &$act));
1404 self::cacheSet(Cache::codeKey('notice:as-activity:'.$this->id), $act);
1409 // This has gotten way too long. Needs to be sliced up into functional bits
1410 // or ideally exported to a utility class.
1412 function asAtomEntry($namespace=false,
1417 $act = $this->asActivity($cur);
1418 $act->extra[] = $this->noticeInfo($cur);
1419 return $act->asString($namespace, $author, $source);
1423 * Extra notice info for atom entries
1425 * Clients use some extra notice info in the atom stream.
1426 * This gives it to them.
1428 * @param User $cur Current user
1430 * @return array representation of <statusnet:notice_info> element
1433 function noticeInfo($cur)
1435 // local notice ID (useful to clients for ordering)
1437 $noticeInfoAttr = array('local_id' => $this->id);
1441 $ns = $this->getSource();
1444 $noticeInfoAttr['source'] = $ns->code;
1445 if (!empty($ns->url)) {
1446 $noticeInfoAttr['source_link'] = $ns->url;
1447 if (!empty($ns->name)) {
1448 $noticeInfoAttr['source'] = '<a href="'
1449 . htmlspecialchars($ns->url)
1450 . '" rel="nofollow">'
1451 . htmlspecialchars($ns->name)
1457 // favorite and repeated
1460 $noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
1461 $cp = $cur->getProfile();
1462 $noticeInfoAttr['repeated'] = ($cp->hasRepeated($this->id)) ? "true" : "false";
1465 if (!empty($this->repeat_of)) {
1466 $noticeInfoAttr['repeat_of'] = $this->repeat_of;
1469 return array('statusnet:notice_info', $noticeInfoAttr, null);
1473 * Returns an XML string fragment with a reference to a notice as an
1474 * Activity Streams noun object with the given element type.
1476 * Assumes that 'activity' namespace has been previously defined.
1478 * @param string $element one of 'subject', 'object', 'target'
1482 function asActivityNoun($element)
1484 $noun = ActivityObject::fromNotice($this);
1485 return $noun->asString('activity:' . $element);
1490 if (!empty($this->url)) {
1492 } else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
1495 return common_local_url('shownotice',
1496 array('notice' => $this->id));
1500 function stream($fn, $args, $cachekey, $offset=0, $limit=20, $since_id=0, $max_id=0)
1502 $cache = Cache::instance();
1504 if (empty($cache) ||
1505 $since_id != 0 || $max_id != 0 ||
1507 ($offset + $limit) > NOTICE_CACHE_WINDOW) {
1508 return call_user_func_array($fn, array_merge($args, array($offset, $limit, $since_id,
1512 $idkey = Cache::key($cachekey);
1514 $idstr = $cache->get($idkey);
1516 if ($idstr !== false) {
1517 // Cache hit! Woohoo!
1518 $window = explode(',', $idstr);
1519 $ids = array_slice($window, $offset, $limit);
1523 $laststr = $cache->get($idkey.';last');
1525 if ($laststr !== false) {
1526 $window = explode(',', $laststr);
1527 $last_id = $window[0];
1528 $new_ids = call_user_func_array($fn, array_merge($args, array(0, NOTICE_CACHE_WINDOW,
1529 $last_id, 0, null)));
1531 $new_window = array_merge($new_ids, $window);
1533 $new_windowstr = implode(',', $new_window);
1535 $result = $cache->set($idkey, $new_windowstr);
1536 $result = $cache->set($idkey . ';last', $new_windowstr);
1538 $ids = array_slice($new_window, $offset, $limit);
1543 $window = call_user_func_array($fn, array_merge($args, array(0, NOTICE_CACHE_WINDOW,
1546 $windowstr = implode(',', $window);
1548 $result = $cache->set($idkey, $windowstr);
1549 $result = $cache->set($idkey . ';last', $windowstr);
1551 $ids = array_slice($window, $offset, $limit);
1557 * Determine which notice, if any, a new notice is in reply to.
1559 * For conversation tracking, we try to see where this notice fits
1560 * in the tree. Rough algorithm is:
1562 * if (reply_to is set and valid) {
1564 * } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
1565 * return ID of last notice by initial @name in content;
1568 * Note that all @nickname instances will still be used to save "reply" records,
1569 * so the notice shows up in the mentioned users' "replies" tab.
1571 * @param integer $reply_to ID passed in by Web or API
1572 * @param integer $profile_id ID of author
1573 * @param string $source Source tag, like 'web' or 'gwibber'
1574 * @param string $content Final notice content
1576 * @return integer ID of replied-to notice, or null for not a reply.
1579 static function getReplyTo($reply_to, $profile_id, $source, $content)
1581 static $lb = array('xmpp', 'mail', 'sms', 'omb');
1583 // If $reply_to is specified, we check that it exists, and then
1584 // return it if it does
1586 if (!empty($reply_to)) {
1587 $reply_notice = Notice::staticGet('id', $reply_to);
1588 if (!empty($reply_notice)) {
1593 // If it's not a "low bandwidth" source (one where you can't set
1594 // a reply_to argument), we return. This is mostly web and API
1597 if (!in_array($source, $lb)) {
1601 // Is there an initial @ or T?
1603 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
1604 preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
1605 $nickname = common_canonical_nickname($match[1]);
1610 // Figure out who that is.
1612 $sender = Profile::staticGet('id', $profile_id);
1613 if (empty($sender)) {
1617 $recipient = common_relative_profile($sender, $nickname, common_sql_now());
1619 if (empty($recipient)) {
1623 // Get their last notice
1625 $last = $recipient->getCurrentNotice();
1627 if (!empty($last)) {
1632 static function maxContent()
1634 $contentlimit = common_config('notice', 'contentlimit');
1635 // null => use global limit (distinct from 0!)
1636 if (is_null($contentlimit)) {
1637 $contentlimit = common_config('site', 'textlimit');
1639 return $contentlimit;
1642 static function contentTooLong($content)
1644 $contentlimit = self::maxContent();
1645 return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
1648 function getLocation()
1652 if (!empty($this->location_id) && !empty($this->location_ns)) {
1653 $location = Location::fromId($this->location_id, $this->location_ns);
1656 if (is_null($location)) { // no ID, or Location::fromId() failed
1657 if (!empty($this->lat) && !empty($this->lon)) {
1658 $location = Location::fromLatLon($this->lat, $this->lon);
1665 function repeat($repeater_id, $source)
1667 $author = Profile::staticGet('id', $this->profile_id);
1669 // TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
1670 // TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
1671 $content = sprintf(_('RT @%1$s %2$s'),
1675 $maxlen = common_config('site', 'textlimit');
1676 if ($maxlen > 0 && mb_strlen($content) > $maxlen) {
1677 // Web interface and current Twitter API clients will
1678 // pull the original notice's text, but some older
1679 // clients and RSS/Atom feeds will see this trimmed text.
1681 // Unfortunately this is likely to lose tags or URLs
1682 // at the end of long notices.
1683 $content = mb_substr($content, 0, $maxlen - 4) . ' ...';
1686 return self::saveNew($repeater_id, $content, $source,
1687 array('repeat_of' => $this->id));
1690 // These are supposed to be in chron order!
1692 function repeatStream($limit=100)
1694 $cache = Cache::instance();
1696 if (empty($cache)) {
1697 $ids = $this->_repeatStreamDirect($limit);
1699 $idstr = $cache->get(Cache::key('notice:repeats:'.$this->id));
1700 if ($idstr !== false) {
1701 $ids = explode(',', $idstr);
1703 $ids = $this->_repeatStreamDirect(100);
1704 $cache->set(Cache::key('notice:repeats:'.$this->id), implode(',', $ids));
1707 // We do a max of 100, so slice down to limit
1708 $ids = array_slice($ids, 0, $limit);
1712 return Notice::getStreamByIds($ids);
1715 function _repeatStreamDirect($limit)
1717 $notice = new Notice();
1719 $notice->selectAdd(); // clears it
1720 $notice->selectAdd('id');
1722 $notice->repeat_of = $this->id;
1724 $notice->orderBy('created, id'); // NB: asc!
1726 if (!is_null($limit)) {
1727 $notice->limit(0, $limit);
1732 if ($notice->find()) {
1733 while ($notice->fetch()) {
1734 $ids[] = $notice->id;
1744 function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
1748 if (!empty($location_id) && !empty($location_ns)) {
1749 $options['location_id'] = $location_id;
1750 $options['location_ns'] = $location_ns;
1752 $location = Location::fromId($location_id, $location_ns);
1754 if (!empty($location)) {
1755 $options['lat'] = $location->lat;
1756 $options['lon'] = $location->lon;
1759 } else if (!empty($lat) && !empty($lon)) {
1760 $options['lat'] = $lat;
1761 $options['lon'] = $lon;
1763 $location = Location::fromLatLon($lat, $lon);
1765 if (!empty($location)) {
1766 $options['location_id'] = $location->location_id;
1767 $options['location_ns'] = $location->location_ns;
1769 } else if (!empty($profile)) {
1770 if (isset($profile->lat) && isset($profile->lon)) {
1771 $options['lat'] = $profile->lat;
1772 $options['lon'] = $profile->lon;
1775 if (isset($profile->location_id) && isset($profile->location_ns)) {
1776 $options['location_id'] = $profile->location_id;
1777 $options['location_ns'] = $profile->location_ns;
1784 function clearReplies()
1786 $replyNotice = new Notice();
1787 $replyNotice->reply_to = $this->id;
1789 //Null any notices that are replies to this notice
1791 if ($replyNotice->find()) {
1792 while ($replyNotice->fetch()) {
1793 $orig = clone($replyNotice);
1794 $replyNotice->reply_to = null;
1795 $replyNotice->update($orig);
1801 $reply = new Reply();
1802 $reply->notice_id = $this->id;
1804 if ($reply->find()) {
1805 while($reply->fetch()) {
1806 self::blow('reply:stream:%d', $reply->profile_id);
1814 function clearFiles()
1816 $f2p = new File_to_post();
1818 $f2p->post_id = $this->id;
1821 while ($f2p->fetch()) {
1825 // FIXME: decide whether to delete File objects
1826 // ...and related (actual) files
1829 function clearRepeats()
1831 $repeatNotice = new Notice();
1832 $repeatNotice->repeat_of = $this->id;
1834 //Null any notices that are repeats of this notice
1836 if ($repeatNotice->find()) {
1837 while ($repeatNotice->fetch()) {
1838 $orig = clone($repeatNotice);
1839 $repeatNotice->repeat_of = null;
1840 $repeatNotice->update($orig);
1845 function clearFaves()
1848 $fave->notice_id = $this->id;
1850 if ($fave->find()) {
1851 while ($fave->fetch()) {
1852 self::blow('fave:ids_by_user_own:%d', $fave->user_id);
1853 self::blow('fave:ids_by_user_own:%d;last', $fave->user_id);
1854 self::blow('fave:ids_by_user:%d', $fave->user_id);
1855 self::blow('fave:ids_by_user:%d;last', $fave->user_id);
1863 function clearTags()
1865 $tag = new Notice_tag();
1866 $tag->notice_id = $this->id;
1869 while ($tag->fetch()) {
1870 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, Cache::keyize($tag->tag));
1871 self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, Cache::keyize($tag->tag));
1872 self::blow('notice_tag:notice_ids:%s', Cache::keyize($tag->tag));
1873 self::blow('notice_tag:notice_ids:%s;last', Cache::keyize($tag->tag));
1881 function clearGroupInboxes()
1883 $gi = new Group_inbox();
1885 $gi->notice_id = $this->id;
1888 while ($gi->fetch()) {
1889 self::blow('user_group:notice_ids:%d', $gi->group_id);
1897 function distribute()
1899 // We always insert for the author so they don't
1901 Event::handle('StartNoticeDistribute', array($this));
1903 $user = User::staticGet('id', $this->profile_id);
1904 if (!empty($user)) {
1905 Inbox::insertNotice($user->id, $this->id);
1908 if (common_config('queue', 'inboxes')) {
1909 // If there's a failure, we want to _force_
1910 // distribution at this point.
1912 $qm = QueueManager::get();
1913 $qm->enqueue($this, 'distrib');
1914 } catch (Exception $e) {
1915 // If the exception isn't transient, this
1916 // may throw more exceptions as DQH does
1917 // its own enqueueing. So, we ignore them!
1919 $handler = new DistribQueueHandler();
1920 $handler->handle($this);
1921 } catch (Exception $e) {
1922 common_log(LOG_ERR, "emergency redistribution resulted in " . $e->getMessage());
1924 // Re-throw so somebody smarter can handle it.
1928 $handler = new DistribQueueHandler();
1929 $handler->handle($this);
1935 $result = parent::insert();
1938 // Profile::hasRepeated() abuses pkeyGet(), so we
1939 // have to clear manually
1940 if (!empty($this->repeat_of)) {
1941 $c = self::memcache();
1943 $ck = self::multicacheKey('Notice',
1944 array('profile_id' => $this->profile_id,
1945 'repeat_of' => $this->repeat_of));
1955 * Get the source of the notice
1957 * @return Notice_source $ns A notice source object. 'code' is the only attribute
1958 * guaranteed to be populated.
1960 function getSource()
1962 $ns = new Notice_source();
1963 if (!empty($this->source)) {
1964 switch ($this->source) {
1971 $ns->code = $this->source;
1974 $ns = Notice_source::staticGet($this->source);
1976 $ns = new Notice_source();
1977 $ns->code = $this->source;
1978 $app = Oauth_application::staticGet('name', $this->source);
1980 $ns->name = $app->name;
1981 $ns->url = $app->source_url;
1991 * Determine whether the notice was locally created
1993 * @return boolean locality
1996 public function isLocal()
1998 return ($this->is_local == Notice::LOCAL_PUBLIC ||
1999 $this->is_local == Notice::LOCAL_NONPUBLIC);
2002 public function getTags()
2005 $tag = new Notice_tag();
2006 $tag->notice_id = $this->id;
2008 while ($tag->fetch()) {
2009 $tags[] = $tag->tag;
2016 static private function utcDate($dt)
2018 $dateStr = date('d F Y H:i:s', strtotime($dt));
2019 $d = new DateTime($dateStr, new DateTimeZone('UTC'));
2020 return $d->format(DATE_W3C);
2024 * Look up the creation timestamp for a given notice ID, even
2025 * if it's been deleted.
2028 * @return mixed string recorded creation timestamp, or false if can't be found
2030 public static function getAsTimestamp($id)
2036 $notice = Notice::staticGet('id', $id);
2038 return $notice->created;
2041 $deleted = Deleted_notice::staticGet('id', $id);
2043 return $deleted->created;
2050 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2051 * parameter, matching notices posted after the given one (exclusive).
2053 * If the referenced notice can't be found, will return false.
2056 * @param string $idField
2057 * @param string $createdField
2058 * @return mixed string or false if no match
2060 public static function whereSinceId($id, $idField='id', $createdField='created')
2062 $since = Notice::getAsTimestamp($id);
2064 return sprintf("($createdField = '%s' and $idField > %d) or ($createdField > '%s')", $since, $id, $since);
2070 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2071 * parameter, matching notices posted after the given one (exclusive), and
2072 * if necessary add it to the data object's query.
2074 * @param DB_DataObject $obj
2076 * @param string $idField
2077 * @param string $createdField
2078 * @return mixed string or false if no match
2080 public static function addWhereSinceId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2082 $since = self::whereSinceId($id, $idField, $createdField);
2084 $obj->whereAdd($since);
2089 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2090 * parameter, matching notices posted before the given one (inclusive).
2092 * If the referenced notice can't be found, will return false.
2095 * @param string $idField
2096 * @param string $createdField
2097 * @return mixed string or false if no match
2099 public static function whereMaxId($id, $idField='id', $createdField='created')
2101 $max = Notice::getAsTimestamp($id);
2103 return sprintf("($createdField < '%s') or ($createdField = '%s' and $idField <= %d)", $max, $max, $id);
2109 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2110 * parameter, matching notices posted before the given one (inclusive), and
2111 * if necessary add it to the data object's query.
2113 * @param DB_DataObject $obj
2115 * @param string $idField
2116 * @param string $createdField
2117 * @return mixed string or false if no match
2119 public static function addWhereMaxId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2121 $max = self::whereMaxId($id, $idField, $createdField);
2123 $obj->whereAdd($max);
2129 if (common_config('public', 'localonly')) {
2130 return ($this->is_local == Notice::LOCAL_PUBLIC);
2132 return (($this->is_local != Notice::LOCAL_NONPUBLIC) &&
2133 ($this->is_local != Notice::GATEWAY));