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', CachingNoticeStream::CACHE_WINDOW);
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)
76 public $scope; // int(4)
79 function staticGet($k,$v=NULL)
81 return Memcached_DataObject::staticGet('Notice',$k,$v);
84 /* the code above is auto generated do not remove the tag below */
88 const LOCAL_PUBLIC = 1;
90 const LOCAL_NONPUBLIC = -1;
93 const PUBLIC_SCOPE = 0; // Useful fake constant
95 const ADDRESSEE_SCOPE = 2;
96 const GROUP_SCOPE = 4;
97 const FOLLOWER_SCOPE = 8;
99 protected $_profile = -1;
101 function getProfile()
103 if (is_int($this->_profile) && $this->_profile == -1) {
104 $this->_profile = Profile::staticGet('id', $this->profile_id);
106 if (empty($this->_profile)) {
107 // TRANS: Server exception thrown when a user profile for a notice cannot be found.
108 // TRANS: %1$d is a profile ID (number), %2$d is a notice ID (number).
109 throw new ServerException(sprintf(_('No such profile (%1$d) for notice (%2$d).'), $this->profile_id, $this->id));
113 return $this->_profile;
118 // For auditing purposes, save a record that the notice
121 // @fixme we have some cases where things get re-run and so the
123 $deleted = Deleted_notice::staticGet('id', $this->id);
126 $deleted = Deleted_notice::staticGet('uri', $this->uri);
130 $deleted = new Deleted_notice();
132 $deleted->id = $this->id;
133 $deleted->profile_id = $this->profile_id;
134 $deleted->uri = $this->uri;
135 $deleted->created = $this->created;
136 $deleted->deleted = common_sql_now();
141 if (Event::handle('NoticeDeleteRelated', array($this))) {
143 // Clear related records
145 $this->clearReplies();
146 $this->clearRepeats();
149 $this->clearGroupInboxes();
152 // NOTE: we don't clear inboxes
153 // NOTE: we don't clear queue items
156 $result = parent::delete();
158 $this->blowOnDelete();
163 * Extract #hashtags from this notice's content and save them to the database.
167 /* extract all #hastags */
168 $count = preg_match_all('/(?:^|\s)#([\pL\pN_\-\.]{1,64})/u', strtolower($this->content), $match);
173 /* Add them to the database */
174 return $this->saveKnownTags($match[1]);
178 * Record the given set of hash tags in the db for this notice.
179 * Given tag strings will be normalized and checked for dupes.
181 function saveKnownTags($hashtags)
183 //turn each into their canonical tag
184 //this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
185 for($i=0; $i<count($hashtags); $i++) {
186 /* elide characters we don't want in the tag */
187 $hashtags[$i] = common_canonical_tag($hashtags[$i]);
190 foreach(array_unique($hashtags) as $hashtag) {
191 $this->saveTag($hashtag);
192 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, $hashtag);
198 * Record a single hash tag as associated with this notice.
199 * Tag format and uniqueness must be validated by caller.
201 function saveTag($hashtag)
203 $tag = new Notice_tag();
204 $tag->notice_id = $this->id;
205 $tag->tag = $hashtag;
206 $tag->created = $this->created;
207 $id = $tag->insert();
210 // TRANS: Server exception. %s are the error details.
211 throw new ServerException(sprintf(_('Database error inserting hashtag: %s.'),
212 $last_error->message));
216 // if it's saved, blow its cache
217 $tag->blowCache(false);
221 * Save a new notice and push it out to subscribers' inboxes.
222 * Poster's permissions are checked before sending.
224 * @param int $profile_id Profile ID of the poster
225 * @param string $content source message text; links may be shortened
226 * per current user's preference
227 * @param string $source source key ('web', 'api', etc)
228 * @param array $options Associative array of optional properties:
229 * string 'created' timestamp of notice; defaults to now
230 * int 'is_local' source/gateway ID, one of:
231 * Notice::LOCAL_PUBLIC - Local, ok to appear in public timeline
232 * Notice::REMOTE_OMB - Sent from a remote OMB service;
233 * hide from public timeline but show in
234 * local "and friends" timelines
235 * Notice::LOCAL_NONPUBLIC - Local, but hide from public timeline
236 * Notice::GATEWAY - From another non-OMB service;
237 * will not appear in public views
238 * float 'lat' decimal latitude for geolocation
239 * float 'lon' decimal longitude for geolocation
240 * int 'location_id' geoname identifier
241 * int 'location_ns' geoname namespace to interpret location_id
242 * int 'reply_to'; notice ID this is a reply to
243 * int 'repeat_of'; notice ID this is a repeat of
244 * string 'uri' unique ID for notice; defaults to local notice URL
245 * string 'url' permalink to notice; defaults to local notice URL
246 * string 'rendered' rendered HTML version of content
247 * array 'replies' list of profile URIs for reply delivery in
248 * place of extracting @-replies from content.
249 * array 'groups' list of group IDs to deliver to, in place of
250 * extracting ! tags from content
251 * array 'tags' list of hashtag strings to save with the notice
252 * in place of extracting # tags from content
253 * array 'urls' list of attached/referred URLs to save with the
254 * notice in place of extracting links from content
255 * boolean 'distribute' whether to distribute the notice, default true
256 * string 'object_type' URL of the associated object type (default ActivityObject::NOTE)
257 * int 'scope' Scope bitmask; default to SITE_SCOPE on private sites, 0 otherwise
259 * @fixme tag override
262 * @throws ClientException
264 static function saveNew($profile_id, $content, $source, $options=null) {
265 $defaults = array('uri' => null,
270 'distribute' => true);
272 if (!empty($options)) {
273 $options = $options + $defaults;
279 if (!isset($is_local)) {
280 $is_local = Notice::LOCAL_PUBLIC;
283 $profile = Profile::staticGet('id', $profile_id);
284 $user = User::staticGet('id', $profile_id);
286 // Use the local user's shortening preferences, if applicable.
287 $final = $user->shortenLinks($content);
289 $final = common_shorten_links($content);
292 if (Notice::contentTooLong($final)) {
293 // TRANS: Client exception thrown if a notice contains too many characters.
294 throw new ClientException(_('Problem saving notice. Too long.'));
297 if (empty($profile)) {
298 // TRANS: Client exception thrown when trying to save a notice for an unknown user.
299 throw new ClientException(_('Problem saving notice. Unknown user.'));
302 if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
303 common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
304 // TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
305 throw new ClientException(_('Too many notices too fast; take a breather '.
306 'and post again in a few minutes.'));
309 if (common_config('site', 'dupelimit') > 0 && !Notice::checkDupes($profile_id, $final)) {
310 common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
311 // TRANS: Client exception thrown when a user tries to post too many duplicate notices in a given time frame.
312 throw new ClientException(_('Too many duplicate messages too quickly;'.
313 ' take a breather and post again in a few minutes.'));
316 if (!$profile->hasRight(Right::NEWNOTICE)) {
317 common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $profile->nickname);
319 // TRANS: Client exception thrown when a user tries to post while being banned.
320 throw new ClientException(_('You are banned from posting notices on this site.'), 403);
323 $notice = new Notice();
324 $notice->profile_id = $profile_id;
326 $autosource = common_config('public', 'autosource');
328 // Sandboxed are non-false, but not 1, either
330 if (!$profile->hasRight(Right::PUBLICNOTICE) ||
331 ($source && $autosource && in_array($source, $autosource))) {
332 $notice->is_local = Notice::LOCAL_NONPUBLIC;
334 $notice->is_local = $is_local;
337 if (!empty($created)) {
338 $notice->created = $created;
340 $notice->created = common_sql_now();
343 $notice->content = $final;
345 $notice->source = $source;
349 // Get the groups here so we can figure out replies and such
351 if (!isset($groups)) {
352 $groups = self::groupsFromText($notice->content, $profile);
357 // Handle repeat case
359 if (isset($repeat_of)) {
361 // Check for a private one
363 $repeat = Notice::staticGet('id', $repeat_of);
365 if (empty($repeat)) {
366 // TRANS: Client exception thrown in notice when trying to repeat a missing or deleted notice.
367 throw new ClientException(_('Cannot repeat; original notice is missing or deleted.'));
370 if ($profile->id == $repeat->profile_id) {
371 // TRANS: Client error displayed when trying to repeat an own notice.
372 throw new ClientException(_('You cannot repeat your own notice.'));
375 if ($repeat->scope != Notice::SITE_SCOPE &&
376 $repeat->scope != Notice::PUBLIC_SCOPE) {
377 // TRANS: Client error displayed when trying to repeat a non-public notice.
378 throw new ClientException(_('Cannot repeat a private notice.'), 403);
381 if (!$repeat->inScope($profile)) {
382 // The generic checks above should cover this, but let's be sure!
383 // TRANS: Client error displayed when trying to repeat a notice you cannot access.
384 throw new ClientException(_('Cannot repeat a notice you cannot read.'), 403);
387 if ($profile->hasRepeated($repeat->id)) {
388 // TRANS: Client error displayed when trying to repeat an already repeated notice.
389 throw new ClientException(_('You already repeated that notice.'));
392 $notice->repeat_of = $repeat_of;
394 $reply = self::getReplyTo($reply_to, $profile_id, $source, $final);
396 if (!empty($reply)) {
398 if (!$reply->inScope($profile)) {
399 // TRANS: Client error displayed when trying to reply to a notice a the target has no access to.
400 // TRANS: %1$s is a user nickname, %2$d is a notice ID (number).
401 throw new ClientException(sprintf(_('%1$s has no access to notice %2$d.'),
402 $profile->nickname, $reply->id), 403);
405 $notice->reply_to = $reply->id;
406 $notice->conversation = $reply->conversation;
408 // If the original is private to a group, and notice has no group specified,
409 // make it to the same group(s)
411 if (empty($groups) && ($reply->scope | Notice::GROUP_SCOPE)) {
413 $replyGroups = $reply->getGroups();
414 foreach ($replyGroups as $group) {
415 if ($profile->isMember($group)) {
416 $groups[] = $group->id;
425 if (!empty($lat) && !empty($lon)) {
430 if (!empty($location_ns) && !empty($location_id)) {
431 $notice->location_id = $location_id;
432 $notice->location_ns = $location_ns;
435 if (!empty($rendered)) {
436 $notice->rendered = $rendered;
438 $notice->rendered = common_render_content($final, $notice);
441 if (empty($object_type)) {
442 $notice->object_type = (empty($notice->reply_to)) ? ActivityObject::NOTE : ActivityObject::COMMENT;
444 $notice->object_type = $object_type;
447 if (is_null($scope)) { // 0 is a valid value
448 if (!empty($reply)) {
449 $notice->scope = $reply->scope;
451 $notice->scope = common_config('notice', 'defaultscope');
454 $notice->scope = $scope;
457 // For private streams
459 $user = $profile->getUser();
462 if ($user->private_stream &&
463 ($notice->scope == Notice::PUBLIC_SCOPE ||
464 $notice->scope == Notice::SITE_SCOPE)) {
465 $notice->scope |= Notice::FOLLOWER_SCOPE;
469 // Force the scope for private groups
471 foreach ($groups as $groupId) {
472 $group = User_group::staticGet('id', $groupId);
473 if (!empty($group)) {
474 if ($group->force_scope) {
475 $notice->scope |= Notice::GROUP_SCOPE;
481 if (Event::handle('StartNoticeSave', array(&$notice))) {
483 // XXX: some of these functions write to the DB
485 $id = $notice->insert();
488 common_log_db_error($notice, 'INSERT', __FILE__);
489 // TRANS: Server exception thrown when a notice cannot be saved.
490 throw new ServerException(_('Problem saving notice.'));
493 // Update ID-dependent columns: URI, conversation
495 $orig = clone($notice);
500 $notice->uri = common_notice_uri($notice);
504 // If it's not part of a conversation, it's
505 // the beginning of a new conversation.
507 if (empty($notice->conversation)) {
508 $conv = Conversation::create();
509 $notice->conversation = $conv->id;
514 if (!$notice->update($orig)) {
515 common_log_db_error($notice, 'UPDATE', __FILE__);
516 // TRANS: Server exception thrown when a notice cannot be updated.
517 throw new ServerException(_('Problem saving notice.'));
523 // Clear the cache for subscribed users, so they'll update at next request
524 // XXX: someone clever could prepend instead of clearing the cache
526 $notice->blowOnInsert();
528 // Save per-notice metadata...
530 if (isset($replies)) {
531 $notice->saveKnownReplies($replies);
533 $notice->saveReplies();
537 $notice->saveKnownTags($tags);
542 // Note: groups may save tags, so must be run after tags are saved
543 // to avoid errors on duplicates.
544 // Note: groups should always be set.
546 $notice->saveKnownGroups($groups);
548 if (isset($peopletags)) {
549 $notice->saveProfileTags($peopletags);
551 $notice->saveProfileTags();
555 $notice->saveKnownUrls($urls);
561 // Prepare inbox delivery, may be queued to background.
562 $notice->distribute();
568 function blowOnInsert($conversation = false)
570 self::blow('profile:notice_ids:%d', $this->profile_id);
572 if ($this->isPublic()) {
573 self::blow('public');
576 // XXX: Before we were blowing the casche only if the notice id
577 // was not the root of the conversation. What to do now?
579 self::blow('notice:conversation_ids:%d', $this->conversation);
580 self::blow('conversation::notice_count:%d', $this->conversation);
582 if (!empty($this->repeat_of)) {
583 self::blow('notice:repeats:%d', $this->repeat_of);
586 $original = Notice::staticGet('id', $this->repeat_of);
588 if (!empty($original)) {
589 $originalUser = User::staticGet('id', $original->profile_id);
590 if (!empty($originalUser)) {
591 self::blow('user:repeats_of_me:%d', $originalUser->id);
595 $profile = Profile::staticGet($this->profile_id);
596 if (!empty($profile)) {
597 $profile->blowNoticeCount();
602 * Clear cache entries related to this notice at delete time.
603 * Necessary to avoid breaking paging on public, profile timelines.
605 function blowOnDelete()
607 $this->blowOnInsert();
609 self::blow('profile:notice_ids:%d;last', $this->profile_id);
611 if ($this->isPublic()) {
612 self::blow('public;last');
615 self::blow('fave:by_notice', $this->id);
617 if ($this->conversation) {
618 // In case we're the first, will need to calc a new root.
619 self::blow('notice:conversation_root:%d', $this->conversation);
623 /** save all urls in the notice to the db
625 * follow redirects and save all available file information
626 * (mimetype, date, size, oembed, etc.)
630 function saveUrls() {
631 if (common_config('attachments', 'process_links')) {
632 common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
637 * Save the given URLs as related links/attachments to the db
639 * follow redirects and save all available file information
640 * (mimetype, date, size, oembed, etc.)
644 function saveKnownUrls($urls)
646 if (common_config('attachments', 'process_links')) {
647 // @fixme validation?
648 foreach (array_unique($urls) as $url) {
649 File::processNew($url, $this->id);
657 function saveUrl($url, $notice_id) {
658 File::processNew($url, $notice_id);
661 static function checkDupes($profile_id, $content) {
662 $profile = Profile::staticGet($profile_id);
663 if (empty($profile)) {
666 $notice = $profile->getNotices(0, CachingNoticeStream::CACHE_WINDOW);
667 if (!empty($notice)) {
669 while ($notice->fetch()) {
670 if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
672 } else if ($notice->content == $content) {
677 // If we get here, oldest item in cache window is not
678 // old enough for dupe limit; do direct check against DB
679 $notice = new Notice();
680 $notice->profile_id = $profile_id;
681 $notice->content = $content;
682 $threshold = common_sql_date(time() - common_config('site', 'dupelimit'));
683 $notice->whereAdd(sprintf("created > '%s'", $notice->escape($threshold)));
685 $cnt = $notice->count();
689 static function checkEditThrottle($profile_id) {
690 $profile = Profile::staticGet($profile_id);
691 if (empty($profile)) {
694 // Get the Nth notice
695 $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
696 if ($notice && $notice->fetch()) {
697 // If the Nth notice was posted less than timespan seconds ago
698 if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
703 // Either not N notices in the stream, OR the Nth was not posted within timespan seconds
707 function getUploadedAttachment() {
709 $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"';
710 $post->query($query);
712 if (empty($post->up) || empty($post->i)) {
715 $ret = array($post->up, $post->i);
721 function hasAttachments() {
723 $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);
724 $post->query($query);
726 $n_attachments = intval($post->n_attachments);
728 return $n_attachments;
731 function attachments() {
733 $keypart = sprintf('notice:file_ids:%d', $this->id);
735 $idstr = self::cacheGet($keypart);
737 if ($idstr !== false) {
738 $ids = explode(',', $idstr);
741 $f2p = new File_to_post;
742 $f2p->post_id = $this->id;
744 while ($f2p->fetch()) {
745 $ids[] = $f2p->file_id;
748 self::cacheSet($keypart, implode(',', $ids));
753 foreach ($ids as $id) {
754 $f = File::staticGet('id', $id);
764 function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
766 $stream = new PublicNoticeStream();
767 return $stream->getNotices($offset, $limit, $since_id, $max_id);
771 function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
773 $stream = new ConversationNoticeStream($id);
775 return $stream->getNotices($offset, $limit, $since_id, $max_id);
779 * Is this notice part of an active conversation?
781 * @return boolean true if other messages exist in the same
782 * conversation, false if this is the only one
784 function hasConversation()
786 if (!empty($this->conversation)) {
787 $conversation = Notice::conversationStream(
793 if ($conversation->N > 0) {
801 * Grab the earliest notice from this conversation.
803 * @return Notice or null
805 function conversationRoot()
807 if (!empty($this->conversation)) {
808 $c = self::memcache();
810 $key = Cache::key('notice:conversation_root:' . $this->conversation);
811 $notice = $c->get($key);
816 $notice = new Notice();
817 $notice->conversation = $this->conversation;
818 $notice->orderBy('CREATED');
823 $c->set($key, $notice);
830 * Pull up a full list of local recipients who will be getting
831 * this notice in their inbox. Results will be cached, so don't
832 * change the input data wily-nilly!
834 * @param array $groups optional list of Group objects;
835 * if left empty, will be loaded from group_inbox records
836 * @param array $recipient optional list of reply profile ids
837 * if left empty, will be loaded from reply records
838 * @return array associating recipient user IDs with an inbox source constant
840 function whoGets($groups=null, $recipients=null)
842 $c = self::memcache();
845 $ni = $c->get(Cache::key('notice:who_gets:'.$this->id));
851 if (is_null($groups)) {
852 $groups = $this->getGroups();
855 if (is_null($recipients)) {
856 $recipients = $this->getReplies();
859 $users = $this->getSubscribedUsers();
860 $ptags = $this->getProfileTags();
862 // FIXME: kind of ignoring 'transitional'...
863 // we'll probably stop supporting inboxless mode
868 // Give plugins a chance to add folks in at start...
869 if (Event::handle('StartNoticeWhoGets', array($this, &$ni))) {
871 foreach ($users as $id) {
872 $ni[$id] = NOTICE_INBOX_SOURCE_SUB;
875 foreach ($groups as $group) {
876 $users = $group->getUserMembers();
877 foreach ($users as $id) {
878 if (!array_key_exists($id, $ni)) {
879 $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
884 foreach ($ptags as $ptag) {
885 $users = $ptag->getUserSubscribers();
886 foreach ($users as $id) {
887 if (!array_key_exists($id, $ni)) {
888 $user = User::staticGet('id', $id);
889 if (!$user->hasBlocked($profile)) {
890 $ni[$id] = NOTICE_INBOX_SOURCE_PROFILE_TAG;
896 foreach ($recipients as $recipient) {
897 if (!array_key_exists($recipient, $ni)) {
898 $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
901 // Exclude any deleted, non-local, or blocking recipients.
902 $profile = $this->getProfile();
903 $originalProfile = null;
904 if ($this->repeat_of) {
905 // Check blocks against the original notice's poster as well.
906 $original = Notice::staticGet('id', $this->repeat_of);
908 $originalProfile = $original->getProfile();
911 foreach ($ni as $id => $source) {
912 $user = User::staticGet('id', $id);
913 if (empty($user) || $user->hasBlocked($profile) ||
914 ($originalProfile && $user->hasBlocked($originalProfile))) {
920 // Give plugins a chance to filter out...
921 Event::handle('EndNoticeWhoGets', array($this, &$ni));
925 // XXX: pack this data better
926 $c->set(Cache::key('notice:who_gets:'.$this->id), $ni);
933 * Adds this notice to the inboxes of each local user who should receive
934 * it, based on author subscriptions, group memberships, and @-replies.
936 * Warning: running a second time currently will make items appear
937 * multiple times in users' inboxes.
939 * @fixme make more robust against errors
940 * @fixme break up massive deliveries to smaller background tasks
942 * @param array $groups optional list of Group objects;
943 * if left empty, will be loaded from group_inbox records
944 * @param array $recipient optional list of reply profile ids
945 * if left empty, will be loaded from reply records
947 function addToInboxes($groups=null, $recipients=null)
949 $ni = $this->whoGets($groups, $recipients);
951 $ids = array_keys($ni);
953 // We remove the author (if they're a local user),
954 // since we'll have already done this in distribute()
956 $i = array_search($this->profile_id, $ids);
964 Inbox::bulkInsert($this->id, $ids);
969 function getSubscribedUsers()
973 if(common_config('db','quote_identifiers'))
974 $user_table = '"user"';
975 else $user_table = 'user';
979 'FROM '. $user_table .' JOIN subscription '.
980 'ON '. $user_table .'.id = subscription.subscriber ' .
981 'WHERE subscription.subscribed = %d ';
983 $user->query(sprintf($qry, $this->profile_id));
987 while ($user->fetch()) {
996 function getProfileTags()
998 // Don't save ptags for repeats, for now.
1000 if (!empty($this->repeat_of)) {
1008 $ptagi = new Profile_tag_inbox();
1010 $ptagi->selectAdd();
1011 $ptagi->selectAdd('profile_tag_id');
1013 $ptagi->notice_id = $this->id;
1015 if ($ptagi->find()) {
1016 while ($ptagi->fetch()) {
1017 $profile_list = Profile_list::staticGet('id', $ptagi->profile_tag_id);
1018 if ($profile_list) {
1019 $ptags[] = $profile_list;
1030 * Record this notice to the given group inboxes for delivery.
1031 * Overrides the regular parsing of !group markup.
1033 * @param string $group_ids
1034 * @fixme might prefer URIs as identifiers, as for replies?
1035 * best with generalizations on user_group to support
1036 * remote groups better.
1038 function saveKnownGroups($group_ids)
1040 if (!is_array($group_ids)) {
1041 // TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
1042 throw new ServerException(_('Bad type provided to saveKnownGroups.'));
1046 foreach (array_unique($group_ids) as $id) {
1047 $group = User_group::staticGet('id', $id);
1049 common_log(LOG_ERR, "Local delivery to group id $id, $group->nickname");
1050 $result = $this->addToGroupInbox($group);
1052 common_log_db_error($gi, 'INSERT', __FILE__);
1055 // we automatically add a tag for every group name, too
1057 $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($group->nickname),
1058 'notice_id' => $this->id));
1060 if (is_null($tag)) {
1061 $this->saveTag($group->nickname);
1064 $groups[] = clone($group);
1066 common_log(LOG_ERR, "Local delivery to group id $id skipped, doesn't exist");
1074 * Parse !group delivery and record targets into group_inbox.
1075 * @return array of Group objects
1077 function saveGroups()
1079 // Don't save groups for repeats
1081 if (!empty($this->repeat_of)) {
1085 $profile = $this->getProfile();
1087 $groups = self::groupsFromText($this->content, $profile);
1089 /* Add them to the database */
1091 foreach ($groups as $group) {
1092 /* XXX: remote groups. */
1094 if (empty($group)) {
1099 if ($profile->isMember($group)) {
1101 $result = $this->addToGroupInbox($group);
1104 common_log_db_error($gi, 'INSERT', __FILE__);
1107 $groups[] = clone($group);
1114 function addToGroupInbox($group)
1116 $gi = Group_inbox::pkeyGet(array('group_id' => $group->id,
1117 'notice_id' => $this->id));
1121 $gi = new Group_inbox();
1123 $gi->group_id = $group->id;
1124 $gi->notice_id = $this->id;
1125 $gi->created = $this->created;
1127 $result = $gi->insert();
1130 common_log_db_error($gi, 'INSERT', __FILE__);
1131 // TRANS: Server exception thrown when an update for a group inbox fails.
1132 throw new ServerException(_('Problem saving group inbox.'));
1135 self::blow('user_group:notice_ids:%d', $gi->group_id);
1142 * record targets into profile_tag_inbox.
1143 * @return array of Profile_list objects
1145 function saveProfileTags($known=array())
1147 // Don't save ptags for repeats, for now
1149 if (!empty($this->repeat_of)) {
1153 if (is_array($known)) {
1159 $ptag = new Profile_tag();
1160 $ptag->tagged = $this->profile_id;
1163 while($ptag->fetch()) {
1164 $plist = Profile_list::getByTaggerAndTag($ptag->tagger, $ptag->tag);
1165 $ptags[] = clone($plist);
1169 foreach ($ptags as $target) {
1170 $this->addToProfileTagInbox($target);
1176 function addToProfileTagInbox($plist)
1178 $ptagi = Profile_tag_inbox::pkeyGet(array('profile_tag_id' => $plist->id,
1179 'notice_id' => $this->id));
1181 if (empty($ptagi)) {
1183 $ptagi = new Profile_tag_inbox();
1185 $ptagi->query('BEGIN');
1186 $ptagi->profile_tag_id = $plist->id;
1187 $ptagi->notice_id = $this->id;
1188 $ptagi->created = $this->created;
1190 $result = $ptagi->insert();
1192 common_log_db_error($ptagi, 'INSERT', __FILE__);
1193 // TRANS: Server exception thrown when saving profile_tag inbox fails.
1194 throw new ServerException(_('Problem saving profile_tag inbox.'));
1197 $ptagi->query('COMMIT');
1199 self::blow('profile_tag:notice_ids:%d', $ptagi->profile_tag_id);
1206 * Save reply records indicating that this notice needs to be
1207 * delivered to the local users with the given URIs.
1209 * Since this is expected to be used when saving foreign-sourced
1210 * messages, we won't deliver to any remote targets as that's the
1211 * source service's responsibility.
1213 * Mail notifications etc will be handled later.
1215 * @param array of unique identifier URIs for recipients
1217 function saveKnownReplies($uris)
1223 $sender = Profile::staticGet($this->profile_id);
1225 foreach (array_unique($uris) as $uri) {
1227 $profile = Profile::fromURI($uri);
1229 if (empty($profile)) {
1230 common_log(LOG_WARNING, "Unable to determine profile for URI '$uri'");
1234 if ($profile->hasBlocked($sender)) {
1235 common_log(LOG_INFO, "Not saving reply to profile {$profile->id} ($uri) from sender {$sender->id} because of a block.");
1239 $reply = new Reply();
1241 $reply->notice_id = $this->id;
1242 $reply->profile_id = $profile->id;
1243 $reply->modified = $this->created;
1245 common_log(LOG_INFO, __METHOD__ . ": saving reply: notice $this->id to profile $profile->id");
1247 $id = $reply->insert();
1254 * Pull @-replies from this message's content in StatusNet markup format
1255 * and save reply records indicating that this message needs to be
1256 * delivered to those users.
1258 * Mail notifications to local profiles will be sent later.
1260 * @return array of integer profile IDs
1263 function saveReplies()
1265 // Don't save reply data for repeats
1267 if (!empty($this->repeat_of)) {
1271 $sender = Profile::staticGet($this->profile_id);
1273 // @todo ideally this parser information would only
1274 // be calculated once.
1276 $mentions = common_find_mentions($this->content, $this);
1280 // store replied only for first @ (what user/notice what the reply directed,
1281 // we assume first @ is it)
1283 foreach ($mentions as $mention) {
1285 foreach ($mention['mentioned'] as $mentioned) {
1287 // skip if they're already covered
1289 if (!empty($replied[$mentioned->id])) {
1293 // Don't save replies from blocked profile to local user
1295 $mentioned_user = User::staticGet('id', $mentioned->id);
1296 if (!empty($mentioned_user) && $mentioned_user->hasBlocked($sender)) {
1300 $reply = new Reply();
1302 $reply->notice_id = $this->id;
1303 $reply->profile_id = $mentioned->id;
1304 $reply->modified = $this->created;
1306 $id = $reply->insert();
1309 common_log_db_error($reply, 'INSERT', __FILE__);
1310 // TRANS: Server exception thrown when a reply cannot be saved.
1311 // TRANS: %1$d is a notice ID, %2$d is the ID of the mentioned user.
1312 throw new ServerException(sprintf(_('Could not save reply for %1$d, %2$d.'), $this->id, $mentioned->id));
1314 $replied[$mentioned->id] = 1;
1315 self::blow('reply:stream:%d', $mentioned->id);
1320 $recipientIds = array_keys($replied);
1322 return $recipientIds;
1326 * Pull the complete list of @-reply targets for this notice.
1328 * @return array of integer profile ids
1330 function getReplies()
1332 $keypart = sprintf('notice:reply_ids:%d', $this->id);
1334 $idstr = self::cacheGet($keypart);
1336 if ($idstr !== false) {
1337 $ids = explode(',', $idstr);
1341 $reply = new Reply();
1342 $reply->selectAdd();
1343 $reply->selectAdd('profile_id');
1344 $reply->notice_id = $this->id;
1346 if ($reply->find()) {
1347 while($reply->fetch()) {
1348 $ids[] = $reply->profile_id;
1351 self::cacheSet($keypart, implode(',', $ids));
1358 * Send e-mail notifications to local @-reply targets.
1360 * Replies must already have been saved; this is expected to be run
1361 * from the distrib queue handler.
1363 function sendReplyNotifications()
1365 // Don't send reply notifications for repeats
1367 if (!empty($this->repeat_of)) {
1371 $recipientIds = $this->getReplies();
1373 foreach ($recipientIds as $recipientId) {
1374 $user = User::staticGet('id', $recipientId);
1375 if (!empty($user)) {
1376 mail_notify_attn($user, $this);
1382 * Pull list of groups this notice needs to be delivered to,
1383 * as previously recorded by saveGroups() or saveKnownGroups().
1385 * @return array of Group objects
1387 function getGroups()
1389 // Don't save groups for repeats
1391 if (!empty($this->repeat_of)) {
1397 $keypart = sprintf('notice:groups:%d', $this->id);
1399 $idstr = self::cacheGet($keypart);
1401 if ($idstr !== false) {
1402 $ids = explode(',', $idstr);
1404 $gi = new Group_inbox();
1407 $gi->selectAdd('group_id');
1409 $gi->notice_id = $this->id;
1412 while ($gi->fetch()) {
1413 $ids[] = $gi->group_id;
1417 self::cacheSet($keypart, implode(',', $ids));
1422 foreach ($ids as $id) {
1423 $group = User_group::staticGet('id', $id);
1433 * Convert a notice into an activity for export.
1435 * @param User $cur Current user
1437 * @return Activity activity object representing this Notice.
1440 function asActivity($cur)
1442 $act = self::cacheGet(Cache::codeKey('notice:as-activity:'.$this->id));
1447 $act = new Activity();
1449 if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
1451 $profile = $this->getProfile();
1453 $act->actor = ActivityObject::fromProfile($profile);
1454 $act->actor->extra[] = $profile->profileInfo($cur);
1455 $act->verb = ActivityVerb::POST;
1456 $act->objects[] = ActivityObject::fromNotice($this);
1458 // XXX: should this be handled by default processing for object entry?
1460 $act->time = strtotime($this->created);
1461 $act->link = $this->bestUrl();
1463 $act->content = common_xml_safe_str($this->rendered);
1464 $act->id = $this->uri;
1465 $act->title = common_xml_safe_str($this->content);
1469 $tags = $this->getTags();
1471 foreach ($tags as $tag) {
1472 $cat = new AtomCategory();
1475 $act->categories[] = $cat;
1479 // XXX: use Atom Media and/or File activity objects instead
1481 $attachments = $this->attachments();
1483 foreach ($attachments as $attachment) {
1484 $enclosure = $attachment->getEnclosure();
1486 $act->enclosures[] = $enclosure;
1490 $ctx = new ActivityContext();
1492 if (!empty($this->reply_to)) {
1493 $reply = Notice::staticGet('id', $this->reply_to);
1494 if (!empty($reply)) {
1495 $ctx->replyToID = $reply->uri;
1496 $ctx->replyToUrl = $reply->bestUrl();
1500 $ctx->location = $this->getLocation();
1504 if (!empty($this->conversation)) {
1505 $conv = Conversation::staticGet('id', $this->conversation);
1506 if (!empty($conv)) {
1507 $ctx->conversation = $conv->uri;
1511 $reply_ids = $this->getReplies();
1513 foreach ($reply_ids as $id) {
1514 $rprofile = Profile::staticGet('id', $id);
1515 if (!empty($rprofile)) {
1516 $ctx->attention[] = $rprofile->getUri();
1520 $groups = $this->getGroups();
1522 foreach ($groups as $group) {
1523 $ctx->attention[] = $group->getUri();
1526 // XXX: deprecated; use ActivityVerb::SHARE instead
1530 if (!empty($this->repeat_of)) {
1531 $repeat = Notice::staticGet('id', $this->repeat_of);
1532 $ctx->forwardID = $repeat->uri;
1533 $ctx->forwardUrl = $repeat->bestUrl();
1536 $act->context = $ctx;
1540 $atom_feed = $profile->getAtomFeed();
1542 if (!empty($atom_feed)) {
1544 $act->source = new ActivitySource();
1546 // XXX: we should store the actual feed ID
1548 $act->source->id = $atom_feed;
1550 // XXX: we should store the actual feed title
1552 $act->source->title = $profile->getBestName();
1554 $act->source->links['alternate'] = $profile->profileurl;
1555 $act->source->links['self'] = $atom_feed;
1557 $act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
1559 $notice = $profile->getCurrentNotice();
1561 if (!empty($notice)) {
1562 $act->source->updated = self::utcDate($notice->created);
1565 $user = User::staticGet('id', $profile->id);
1567 if (!empty($user)) {
1568 $act->source->links['license'] = common_config('license', 'url');
1572 if ($this->isLocal()) {
1573 $act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id,
1574 'format' => 'atom'));
1575 $act->editLink = $act->selfLink;
1578 Event::handle('EndNoticeAsActivity', array($this, &$act));
1581 self::cacheSet(Cache::codeKey('notice:as-activity:'.$this->id), $act);
1586 // This has gotten way too long. Needs to be sliced up into functional bits
1587 // or ideally exported to a utility class.
1589 function asAtomEntry($namespace=false,
1594 $act = $this->asActivity($cur);
1595 $act->extra[] = $this->noticeInfo($cur);
1596 return $act->asString($namespace, $author, $source);
1600 * Extra notice info for atom entries
1602 * Clients use some extra notice info in the atom stream.
1603 * This gives it to them.
1605 * @param User $cur Current user
1607 * @return array representation of <statusnet:notice_info> element
1610 function noticeInfo($cur)
1612 // local notice ID (useful to clients for ordering)
1614 $noticeInfoAttr = array('local_id' => $this->id);
1618 $ns = $this->getSource();
1621 $noticeInfoAttr['source'] = $ns->code;
1622 if (!empty($ns->url)) {
1623 $noticeInfoAttr['source_link'] = $ns->url;
1624 if (!empty($ns->name)) {
1625 $noticeInfoAttr['source'] = '<a href="'
1626 . htmlspecialchars($ns->url)
1627 . '" rel="nofollow">'
1628 . htmlspecialchars($ns->name)
1634 // favorite and repeated
1637 $noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
1638 $cp = $cur->getProfile();
1639 $noticeInfoAttr['repeated'] = ($cp->hasRepeated($this->id)) ? "true" : "false";
1642 if (!empty($this->repeat_of)) {
1643 $noticeInfoAttr['repeat_of'] = $this->repeat_of;
1646 return array('statusnet:notice_info', $noticeInfoAttr, null);
1650 * Returns an XML string fragment with a reference to a notice as an
1651 * Activity Streams noun object with the given element type.
1653 * Assumes that 'activity' namespace has been previously defined.
1655 * @param string $element one of 'subject', 'object', 'target'
1659 function asActivityNoun($element)
1661 $noun = ActivityObject::fromNotice($this);
1662 return $noun->asString('activity:' . $element);
1667 if (!empty($this->url)) {
1669 } else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
1672 return common_local_url('shownotice',
1673 array('notice' => $this->id));
1679 * Determine which notice, if any, a new notice is in reply to.
1681 * For conversation tracking, we try to see where this notice fits
1682 * in the tree. Rough algorithm is:
1684 * if (reply_to is set and valid) {
1686 * } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
1687 * return ID of last notice by initial @name in content;
1690 * Note that all @nickname instances will still be used to save "reply" records,
1691 * so the notice shows up in the mentioned users' "replies" tab.
1693 * @param integer $reply_to ID passed in by Web or API
1694 * @param integer $profile_id ID of author
1695 * @param string $source Source tag, like 'web' or 'gwibber'
1696 * @param string $content Final notice content
1698 * @return integer ID of replied-to notice, or null for not a reply.
1701 static function getReplyTo($reply_to, $profile_id, $source, $content)
1703 static $lb = array('xmpp', 'mail', 'sms', 'omb');
1705 // If $reply_to is specified, we check that it exists, and then
1706 // return it if it does
1708 if (!empty($reply_to)) {
1709 $reply_notice = Notice::staticGet('id', $reply_to);
1710 if (!empty($reply_notice)) {
1711 return $reply_notice;
1715 // If it's not a "low bandwidth" source (one where you can't set
1716 // a reply_to argument), we return. This is mostly web and API
1719 if (!in_array($source, $lb)) {
1723 // Is there an initial @ or T?
1725 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
1726 preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
1727 $nickname = common_canonical_nickname($match[1]);
1732 // Figure out who that is.
1734 $sender = Profile::staticGet('id', $profile_id);
1735 if (empty($sender)) {
1739 $recipient = common_relative_profile($sender, $nickname, common_sql_now());
1741 if (empty($recipient)) {
1745 // Get their last notice
1747 $last = $recipient->getCurrentNotice();
1749 if (!empty($last)) {
1756 static function maxContent()
1758 $contentlimit = common_config('notice', 'contentlimit');
1759 // null => use global limit (distinct from 0!)
1760 if (is_null($contentlimit)) {
1761 $contentlimit = common_config('site', 'textlimit');
1763 return $contentlimit;
1766 static function contentTooLong($content)
1768 $contentlimit = self::maxContent();
1769 return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
1772 function getLocation()
1776 if (!empty($this->location_id) && !empty($this->location_ns)) {
1777 $location = Location::fromId($this->location_id, $this->location_ns);
1780 if (is_null($location)) { // no ID, or Location::fromId() failed
1781 if (!empty($this->lat) && !empty($this->lon)) {
1782 $location = Location::fromLatLon($this->lat, $this->lon);
1790 * Convenience function for posting a repeat of an existing message.
1792 * @param int $repeater_id: profile ID of user doing the repeat
1793 * @param string $source: posting source key, eg 'web', 'api', etc
1796 * @throws Exception on failure or permission problems
1798 function repeat($repeater_id, $source)
1800 $author = Profile::staticGet('id', $this->profile_id);
1802 // TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
1803 // TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
1804 $content = sprintf(_('RT @%1$s %2$s'),
1808 $maxlen = common_config('site', 'textlimit');
1809 if ($maxlen > 0 && mb_strlen($content) > $maxlen) {
1810 // Web interface and current Twitter API clients will
1811 // pull the original notice's text, but some older
1812 // clients and RSS/Atom feeds will see this trimmed text.
1814 // Unfortunately this is likely to lose tags or URLs
1815 // at the end of long notices.
1816 $content = mb_substr($content, 0, $maxlen - 4) . ' ...';
1819 // Scope is same as this one's
1821 return self::saveNew($repeater_id,
1824 array('repeat_of' => $this->id,
1825 'scope' => $this->scope));
1828 // These are supposed to be in chron order!
1830 function repeatStream($limit=100)
1832 $cache = Cache::instance();
1834 if (empty($cache)) {
1835 $ids = $this->_repeatStreamDirect($limit);
1837 $idstr = $cache->get(Cache::key('notice:repeats:'.$this->id));
1838 if ($idstr !== false) {
1839 $ids = explode(',', $idstr);
1841 $ids = $this->_repeatStreamDirect(100);
1842 $cache->set(Cache::key('notice:repeats:'.$this->id), implode(',', $ids));
1845 // We do a max of 100, so slice down to limit
1846 $ids = array_slice($ids, 0, $limit);
1850 return NoticeStream::getStreamByIds($ids);
1853 function _repeatStreamDirect($limit)
1855 $notice = new Notice();
1857 $notice->selectAdd(); // clears it
1858 $notice->selectAdd('id');
1860 $notice->repeat_of = $this->id;
1862 $notice->orderBy('created, id'); // NB: asc!
1864 if (!is_null($limit)) {
1865 $notice->limit(0, $limit);
1870 if ($notice->find()) {
1871 while ($notice->fetch()) {
1872 $ids[] = $notice->id;
1882 function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
1886 if (!empty($location_id) && !empty($location_ns)) {
1887 $options['location_id'] = $location_id;
1888 $options['location_ns'] = $location_ns;
1890 $location = Location::fromId($location_id, $location_ns);
1892 if (!empty($location)) {
1893 $options['lat'] = $location->lat;
1894 $options['lon'] = $location->lon;
1897 } else if (!empty($lat) && !empty($lon)) {
1898 $options['lat'] = $lat;
1899 $options['lon'] = $lon;
1901 $location = Location::fromLatLon($lat, $lon);
1903 if (!empty($location)) {
1904 $options['location_id'] = $location->location_id;
1905 $options['location_ns'] = $location->location_ns;
1907 } else if (!empty($profile)) {
1908 if (isset($profile->lat) && isset($profile->lon)) {
1909 $options['lat'] = $profile->lat;
1910 $options['lon'] = $profile->lon;
1913 if (isset($profile->location_id) && isset($profile->location_ns)) {
1914 $options['location_id'] = $profile->location_id;
1915 $options['location_ns'] = $profile->location_ns;
1922 function clearReplies()
1924 $replyNotice = new Notice();
1925 $replyNotice->reply_to = $this->id;
1927 //Null any notices that are replies to this notice
1929 if ($replyNotice->find()) {
1930 while ($replyNotice->fetch()) {
1931 $orig = clone($replyNotice);
1932 $replyNotice->reply_to = null;
1933 $replyNotice->update($orig);
1939 $reply = new Reply();
1940 $reply->notice_id = $this->id;
1942 if ($reply->find()) {
1943 while($reply->fetch()) {
1944 self::blow('reply:stream:%d', $reply->profile_id);
1952 function clearFiles()
1954 $f2p = new File_to_post();
1956 $f2p->post_id = $this->id;
1959 while ($f2p->fetch()) {
1963 // FIXME: decide whether to delete File objects
1964 // ...and related (actual) files
1967 function clearRepeats()
1969 $repeatNotice = new Notice();
1970 $repeatNotice->repeat_of = $this->id;
1972 //Null any notices that are repeats of this notice
1974 if ($repeatNotice->find()) {
1975 while ($repeatNotice->fetch()) {
1976 $orig = clone($repeatNotice);
1977 $repeatNotice->repeat_of = null;
1978 $repeatNotice->update($orig);
1983 function clearFaves()
1986 $fave->notice_id = $this->id;
1988 if ($fave->find()) {
1989 while ($fave->fetch()) {
1990 self::blow('fave:ids_by_user_own:%d', $fave->user_id);
1991 self::blow('fave:ids_by_user_own:%d;last', $fave->user_id);
1992 self::blow('fave:ids_by_user:%d', $fave->user_id);
1993 self::blow('fave:ids_by_user:%d;last', $fave->user_id);
2001 function clearTags()
2003 $tag = new Notice_tag();
2004 $tag->notice_id = $this->id;
2007 while ($tag->fetch()) {
2008 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, Cache::keyize($tag->tag));
2009 self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, Cache::keyize($tag->tag));
2010 self::blow('notice_tag:notice_ids:%s', Cache::keyize($tag->tag));
2011 self::blow('notice_tag:notice_ids:%s;last', Cache::keyize($tag->tag));
2019 function clearGroupInboxes()
2021 $gi = new Group_inbox();
2023 $gi->notice_id = $this->id;
2026 while ($gi->fetch()) {
2027 self::blow('user_group:notice_ids:%d', $gi->group_id);
2035 function distribute()
2037 // We always insert for the author so they don't
2039 Event::handle('StartNoticeDistribute', array($this));
2041 $user = User::staticGet('id', $this->profile_id);
2042 if (!empty($user)) {
2043 Inbox::insertNotice($user->id, $this->id);
2046 if (common_config('queue', 'inboxes')) {
2047 // If there's a failure, we want to _force_
2048 // distribution at this point.
2050 $qm = QueueManager::get();
2051 $qm->enqueue($this, 'distrib');
2052 } catch (Exception $e) {
2053 // If the exception isn't transient, this
2054 // may throw more exceptions as DQH does
2055 // its own enqueueing. So, we ignore them!
2057 $handler = new DistribQueueHandler();
2058 $handler->handle($this);
2059 } catch (Exception $e) {
2060 common_log(LOG_ERR, "emergency redistribution resulted in " . $e->getMessage());
2062 // Re-throw so somebody smarter can handle it.
2066 $handler = new DistribQueueHandler();
2067 $handler->handle($this);
2073 $result = parent::insert();
2076 // Profile::hasRepeated() abuses pkeyGet(), so we
2077 // have to clear manually
2078 if (!empty($this->repeat_of)) {
2079 $c = self::memcache();
2081 $ck = self::multicacheKey('Notice',
2082 array('profile_id' => $this->profile_id,
2083 'repeat_of' => $this->repeat_of));
2093 * Get the source of the notice
2095 * @return Notice_source $ns A notice source object. 'code' is the only attribute
2096 * guaranteed to be populated.
2098 function getSource()
2100 $ns = new Notice_source();
2101 if (!empty($this->source)) {
2102 switch ($this->source) {
2109 $ns->code = $this->source;
2112 $ns = Notice_source::staticGet($this->source);
2114 $ns = new Notice_source();
2115 $ns->code = $this->source;
2116 $app = Oauth_application::staticGet('name', $this->source);
2118 $ns->name = $app->name;
2119 $ns->url = $app->source_url;
2129 * Determine whether the notice was locally created
2131 * @return boolean locality
2134 public function isLocal()
2136 return ($this->is_local == Notice::LOCAL_PUBLIC ||
2137 $this->is_local == Notice::LOCAL_NONPUBLIC);
2141 * Get the list of hash tags saved with this notice.
2143 * @return array of strings
2145 public function getTags()
2149 $keypart = sprintf('notice:tags:%d', $this->id);
2151 $tagstr = self::cacheGet($keypart);
2153 if ($tagstr !== false) {
2154 $tags = explode(',', $tagstr);
2156 $tag = new Notice_tag();
2157 $tag->notice_id = $this->id;
2159 while ($tag->fetch()) {
2160 $tags[] = $tag->tag;
2163 self::cacheSet($keypart, implode(',', $tags));
2169 static private function utcDate($dt)
2171 $dateStr = date('d F Y H:i:s', strtotime($dt));
2172 $d = new DateTime($dateStr, new DateTimeZone('UTC'));
2173 return $d->format(DATE_W3C);
2177 * Look up the creation timestamp for a given notice ID, even
2178 * if it's been deleted.
2181 * @return mixed string recorded creation timestamp, or false if can't be found
2183 public static function getAsTimestamp($id)
2189 $notice = Notice::staticGet('id', $id);
2191 return $notice->created;
2194 $deleted = Deleted_notice::staticGet('id', $id);
2196 return $deleted->created;
2203 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2204 * parameter, matching notices posted after the given one (exclusive).
2206 * If the referenced notice can't be found, will return false.
2209 * @param string $idField
2210 * @param string $createdField
2211 * @return mixed string or false if no match
2213 public static function whereSinceId($id, $idField='id', $createdField='created')
2215 $since = Notice::getAsTimestamp($id);
2217 return sprintf("($createdField = '%s' and $idField > %d) or ($createdField > '%s')", $since, $id, $since);
2223 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2224 * parameter, matching notices posted after the given one (exclusive), and
2225 * if necessary add it to the data object's query.
2227 * @param DB_DataObject $obj
2229 * @param string $idField
2230 * @param string $createdField
2231 * @return mixed string or false if no match
2233 public static function addWhereSinceId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2235 $since = self::whereSinceId($id, $idField, $createdField);
2237 $obj->whereAdd($since);
2242 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2243 * parameter, matching notices posted before the given one (inclusive).
2245 * If the referenced notice can't be found, will return false.
2248 * @param string $idField
2249 * @param string $createdField
2250 * @return mixed string or false if no match
2252 public static function whereMaxId($id, $idField='id', $createdField='created')
2254 $max = Notice::getAsTimestamp($id);
2256 return sprintf("($createdField < '%s') or ($createdField = '%s' and $idField <= %d)", $max, $max, $id);
2262 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2263 * parameter, matching notices posted before the given one (inclusive), and
2264 * if necessary add it to the data object's query.
2266 * @param DB_DataObject $obj
2268 * @param string $idField
2269 * @param string $createdField
2270 * @return mixed string or false if no match
2272 public static function addWhereMaxId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2274 $max = self::whereMaxId($id, $idField, $createdField);
2276 $obj->whereAdd($max);
2282 if (common_config('public', 'localonly')) {
2283 return ($this->is_local == Notice::LOCAL_PUBLIC);
2285 return (($this->is_local != Notice::LOCAL_NONPUBLIC) &&
2286 ($this->is_local != Notice::GATEWAY));
2291 * Check that the given profile is allowed to read, respond to, or otherwise
2292 * act on this notice.
2294 * The $scope member is a bitmask of scopes, representing a logical AND of the
2295 * scope requirement. So, 0x03 (Notice::ADDRESSEE_SCOPE | Notice::SITE_SCOPE) means
2296 * "only visible to people who are mentioned in the notice AND are users on this site."
2297 * Users on the site who are not mentioned in the notice will not be able to see the
2300 * @param Profile $profile The profile to check; pass null to check for public/unauthenticated users.
2302 * @return boolean whether the profile is in the notice's scope
2304 function inScope($profile)
2306 $keypart = sprintf('notice:in-scope-for:%d:%d', $this->id, $profile->id);
2308 $result = self::cacheGet($keypart);
2310 if ($result === false) {
2311 $bResult = $this->_inScope($profile);
2312 $result = ($bResult) ? 1 : 0;
2313 self::cacheSet($keypart, $result, 0, 300);
2316 return ($result == 1) ? true : false;
2319 protected function _inScope($profile)
2321 // If there's no scope, anyone (even anon) is in scope.
2323 if ($this->scope == 0) {
2327 // If there's scope, anon cannot be in scope
2329 if (empty($profile)) {
2333 // Author is always in scope
2335 if ($this->profile_id == $profile->id) {
2339 // Only for users on this site
2341 if ($this->scope & Notice::SITE_SCOPE) {
2342 $user = $profile->getUser();
2348 // Only for users mentioned in the notice
2350 if ($this->scope & Notice::ADDRESSEE_SCOPE) {
2352 // XXX: just query for the single reply
2354 $replies = $this->getReplies();
2356 if (!in_array($profile->id, $replies)) {
2361 // Only for members of the given group
2363 if ($this->scope & Notice::GROUP_SCOPE) {
2365 // XXX: just query for the single membership
2367 $groups = $this->getGroups();
2371 foreach ($groups as $group) {
2372 if ($profile->isMember($group)) {
2383 // Only for followers of the author
2385 if ($this->scope & Notice::FOLLOWER_SCOPE) {
2386 $author = $this->getProfile();
2387 if (!Subscription::exists($profile, $author)) {
2395 static function groupsFromText($text, $profile)
2399 /* extract all !group */
2400 $count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
2408 foreach (array_unique($match[1]) as $nickname) {
2409 $group = User_group::getForNickname($nickname, $profile);
2410 if (!empty($group) && $profile->isMember($group)) {
2411 $groups[] = $group->id;