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;
101 $profile = Profile::staticGet('id', $this->profile_id);
103 if (empty($profile)) {
104 // TRANS: Server exception thrown when a user profile for a notice cannot be found.
105 // TRANS: %1$d is a profile ID (number), %2$d is a notice ID (number).
106 throw new ServerException(sprintf(_('No such profile (%1$d) for notice (%2$d).'), $this->profile_id, $this->id));
114 // For auditing purposes, save a record that the notice
117 // @fixme we have some cases where things get re-run and so the
119 $deleted = Deleted_notice::staticGet('id', $this->id);
122 $deleted = Deleted_notice::staticGet('uri', $this->uri);
126 $deleted = new Deleted_notice();
128 $deleted->id = $this->id;
129 $deleted->profile_id = $this->profile_id;
130 $deleted->uri = $this->uri;
131 $deleted->created = $this->created;
132 $deleted->deleted = common_sql_now();
137 if (Event::handle('NoticeDeleteRelated', array($this))) {
139 // Clear related records
141 $this->clearReplies();
142 $this->clearRepeats();
145 $this->clearGroupInboxes();
148 // NOTE: we don't clear inboxes
149 // NOTE: we don't clear queue items
152 $result = parent::delete();
154 $this->blowOnDelete();
159 * Extract #hashtags from this notice's content and save them to the database.
163 /* extract all #hastags */
164 $count = preg_match_all('/(?:^|\s)#([\pL\pN_\-\.]{1,64})/u', strtolower($this->content), $match);
169 /* Add them to the database */
170 return $this->saveKnownTags($match[1]);
174 * Record the given set of hash tags in the db for this notice.
175 * Given tag strings will be normalized and checked for dupes.
177 function saveKnownTags($hashtags)
179 //turn each into their canonical tag
180 //this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
181 for($i=0; $i<count($hashtags); $i++) {
182 /* elide characters we don't want in the tag */
183 $hashtags[$i] = common_canonical_tag($hashtags[$i]);
186 foreach(array_unique($hashtags) as $hashtag) {
187 $this->saveTag($hashtag);
188 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, $hashtag);
194 * Record a single hash tag as associated with this notice.
195 * Tag format and uniqueness must be validated by caller.
197 function saveTag($hashtag)
199 $tag = new Notice_tag();
200 $tag->notice_id = $this->id;
201 $tag->tag = $hashtag;
202 $tag->created = $this->created;
203 $id = $tag->insert();
206 // TRANS: Server exception. %s are the error details.
207 throw new ServerException(sprintf(_('Database error inserting hashtag: %s'),
208 $last_error->message));
212 // if it's saved, blow its cache
213 $tag->blowCache(false);
217 * Save a new notice and push it out to subscribers' inboxes.
218 * Poster's permissions are checked before sending.
220 * @param int $profile_id Profile ID of the poster
221 * @param string $content source message text; links may be shortened
222 * per current user's preference
223 * @param string $source source key ('web', 'api', etc)
224 * @param array $options Associative array of optional properties:
225 * string 'created' timestamp of notice; defaults to now
226 * int 'is_local' source/gateway ID, one of:
227 * Notice::LOCAL_PUBLIC - Local, ok to appear in public timeline
228 * Notice::REMOTE_OMB - Sent from a remote OMB service;
229 * hide from public timeline but show in
230 * local "and friends" timelines
231 * Notice::LOCAL_NONPUBLIC - Local, but hide from public timeline
232 * Notice::GATEWAY - From another non-OMB service;
233 * will not appear in public views
234 * float 'lat' decimal latitude for geolocation
235 * float 'lon' decimal longitude for geolocation
236 * int 'location_id' geoname identifier
237 * int 'location_ns' geoname namespace to interpret location_id
238 * int 'reply_to'; notice ID this is a reply to
239 * int 'repeat_of'; notice ID this is a repeat of
240 * string 'uri' unique ID for notice; defaults to local notice URL
241 * string 'url' permalink to notice; defaults to local notice URL
242 * string 'rendered' rendered HTML version of content
243 * array 'replies' list of profile URIs for reply delivery in
244 * place of extracting @-replies from content.
245 * array 'groups' list of group IDs to deliver to, in place of
246 * extracting ! tags from content
247 * array 'tags' list of hashtag strings to save with the notice
248 * in place of extracting # tags from content
249 * array 'urls' list of attached/referred URLs to save with the
250 * notice in place of extracting links from content
251 * boolean 'distribute' whether to distribute the notice, default true
252 * string 'object_type' URL of the associated object type (default ActivityObject::NOTE)
253 * int 'scope' Scope bitmask; default to SITE_SCOPE on private sites, 0 otherwise
255 * @fixme tag override
258 * @throws ClientException
260 static function saveNew($profile_id, $content, $source, $options=null) {
261 $defaults = array('uri' => null,
266 'distribute' => true);
268 if (!empty($options)) {
269 $options = $options + $defaults;
275 if (!isset($is_local)) {
276 $is_local = Notice::LOCAL_PUBLIC;
279 $profile = Profile::staticGet('id', $profile_id);
280 $user = User::staticGet('id', $profile_id);
282 // Use the local user's shortening preferences, if applicable.
283 $final = $user->shortenLinks($content);
285 $final = common_shorten_links($content);
288 if (Notice::contentTooLong($final)) {
289 // TRANS: Client exception thrown if a notice contains too many characters.
290 throw new ClientException(_('Problem saving notice. Too long.'));
293 if (empty($profile)) {
294 // TRANS: Client exception thrown when trying to save a notice for an unknown user.
295 throw new ClientException(_('Problem saving notice. Unknown user.'));
298 if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
299 common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
300 // TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
301 throw new ClientException(_('Too many notices too fast; take a breather '.
302 'and post again in a few minutes.'));
305 if (common_config('site', 'dupelimit') > 0 && !Notice::checkDupes($profile_id, $final)) {
306 common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
307 // TRANS: Client exception thrown when a user tries to post too many duplicate notices in a given time frame.
308 throw new ClientException(_('Too many duplicate messages too quickly;'.
309 ' take a breather and post again in a few minutes.'));
312 if (!$profile->hasRight(Right::NEWNOTICE)) {
313 common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $profile->nickname);
315 // TRANS: Client exception thrown when a user tries to post while being banned.
316 throw new ClientException(_('You are banned from posting notices on this site.'), 403);
319 $notice = new Notice();
320 $notice->profile_id = $profile_id;
322 $autosource = common_config('public', 'autosource');
324 // Sandboxed are non-false, but not 1, either
326 if (!$profile->hasRight(Right::PUBLICNOTICE) ||
327 ($source && $autosource && in_array($source, $autosource))) {
328 $notice->is_local = Notice::LOCAL_NONPUBLIC;
330 $notice->is_local = $is_local;
333 if (!empty($created)) {
334 $notice->created = $created;
336 $notice->created = common_sql_now();
339 $notice->content = $final;
341 $notice->source = $source;
345 // Handle repeat case
347 if (isset($repeat_of)) {
349 // Check for a private one
351 $repeat = Notice::staticGet('id', $repeat_of);
353 if (empty($repeat)) {
354 // TRANS: Client exception thrown in notice when trying to repeat a missing or deleted notice.
355 throw new ClientException(_('Cannot repeat; original notice is missing or deleted.'));
358 if ($profile->id == $repeat->profile_id) {
359 // TRANS: Client error displayed when trying to repeat an own notice.
360 throw new ClientException(_('You cannot repeat your own notice.'));
363 if ($repeat->scope != Notice::SITE_SCOPE &&
364 $repeat->scope != Notice::PUBLIC_SCOPE) {
365 // TRANS: Client error displayed when trying to repeat a non-public notice.
366 throw new ClientException(_('Cannot repeat a private notice.'), 403);
369 if (!$repeat->inScope($profile)) {
370 // The generic checks above should cover this, but let's be sure!
371 // TRANS: Client error displayed when trying to repeat a notice you cannot access.
372 throw new ClientException(_('Cannot repeat a notice you cannot read.'), 403);
375 if ($profile->hasRepeated($repeat->id)) {
376 // TRANS: Client error displayed when trying to repeat an already repeated notice.
377 throw new ClientException(_('You already repeated that notice.'));
380 $notice->repeat_of = $repeat_of;
382 $notice->reply_to = self::getReplyTo($reply_to, $profile_id, $source, $final);
385 if (!empty($notice->reply_to)) {
386 $reply = Notice::staticGet('id', $notice->reply_to);
387 if (!$reply->inScope($profile)) {
388 // TRANS: Client error displayed when trying to reply to a notice a the target has no access to.
389 // TRANS: %1$s is a user nickname, %2$d is a notice ID (number).
390 throw new ClientException(sprintf(_('%1$s has no access to notice %2$d.'),
391 $profile->nickname, $reply->id), 403);
393 $notice->conversation = $reply->conversation;
396 if (!empty($lat) && !empty($lon)) {
401 if (!empty($location_ns) && !empty($location_id)) {
402 $notice->location_id = $location_id;
403 $notice->location_ns = $location_ns;
406 if (!empty($rendered)) {
407 $notice->rendered = $rendered;
409 $notice->rendered = common_render_content($final, $notice);
412 if (empty($object_type)) {
413 $notice->object_type = (empty($notice->reply_to)) ? ActivityObject::NOTE : ActivityObject::COMMENT;
415 $notice->object_type = $object_type;
418 if (is_null($scope)) { // 0 is a valid value
419 $notice->scope = common_config('notice', 'defaultscope');
421 $notice->scope = $scope;
424 // For private streams
426 $user = $profile->getUser();
429 if ($user->private_stream &&
430 ($notice->scope == Notice::PUBLIC_SCOPE ||
431 $notice->scope == Notice::SITE_SCOPE)) {
432 $notice->scope |= Notice::FOLLOWER_SCOPE;
436 // Force the scope for private groups
438 if (!isset($groups)) {
439 $groups = self::groupsFromText($notice->content, $profile);
442 foreach ($groups as $groupId) {
443 $group = User_group::staticGet('id', $groupId);
444 if (!empty($group)) {
445 if ($group->force_scope) {
446 $notice->scope |= Notice::GROUP_SCOPE;
452 if (Event::handle('StartNoticeSave', array(&$notice))) {
454 // XXX: some of these functions write to the DB
456 $id = $notice->insert();
459 common_log_db_error($notice, 'INSERT', __FILE__);
460 // TRANS: Server exception thrown when a notice cannot be saved.
461 throw new ServerException(_('Problem saving notice.'));
464 // Update ID-dependent columns: URI, conversation
466 $orig = clone($notice);
471 $notice->uri = common_notice_uri($notice);
475 // If it's not part of a conversation, it's
476 // the beginning of a new conversation.
478 if (empty($notice->conversation)) {
479 $conv = Conversation::create();
480 $notice->conversation = $conv->id;
485 if (!$notice->update($orig)) {
486 common_log_db_error($notice, 'UPDATE', __FILE__);
487 // TRANS: Server exception thrown when a notice cannot be updated.
488 throw new ServerException(_('Problem saving notice.'));
494 // Clear the cache for subscribed users, so they'll update at next request
495 // XXX: someone clever could prepend instead of clearing the cache
497 $notice->blowOnInsert();
499 // Save per-notice metadata...
501 if (isset($replies)) {
502 $notice->saveKnownReplies($replies);
504 $notice->saveReplies();
508 $notice->saveKnownTags($tags);
513 // Note: groups may save tags, so must be run after tags are saved
514 // to avoid errors on duplicates.
515 // Note: groups should always be set.
517 $notice->saveKnownGroups($groups);
520 $notice->saveKnownUrls($urls);
526 // Prepare inbox delivery, may be queued to background.
527 $notice->distribute();
533 function blowOnInsert($conversation = false)
535 self::blow('profile:notice_ids:%d', $this->profile_id);
537 if ($this->isPublic()) {
538 self::blow('public');
541 // XXX: Before we were blowing the casche only if the notice id
542 // was not the root of the conversation. What to do now?
544 self::blow('notice:conversation_ids:%d', $this->conversation);
546 if (!empty($this->repeat_of)) {
547 self::blow('notice:repeats:%d', $this->repeat_of);
550 $original = Notice::staticGet('id', $this->repeat_of);
552 if (!empty($original)) {
553 $originalUser = User::staticGet('id', $original->profile_id);
554 if (!empty($originalUser)) {
555 self::blow('user:repeats_of_me:%d', $originalUser->id);
559 $profile = Profile::staticGet($this->profile_id);
560 if (!empty($profile)) {
561 $profile->blowNoticeCount();
566 * Clear cache entries related to this notice at delete time.
567 * Necessary to avoid breaking paging on public, profile timelines.
569 function blowOnDelete()
571 $this->blowOnInsert();
573 self::blow('profile:notice_ids:%d;last', $this->profile_id);
575 if ($this->isPublic()) {
576 self::blow('public;last');
579 self::blow('fave:by_notice', $this->id);
581 if ($this->conversation) {
582 // In case we're the first, will need to calc a new root.
583 self::blow('notice:conversation_root:%d', $this->conversation);
587 /** save all urls in the notice to the db
589 * follow redirects and save all available file information
590 * (mimetype, date, size, oembed, etc.)
594 function saveUrls() {
595 if (common_config('attachments', 'process_links')) {
596 common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
601 * Save the given URLs as related links/attachments to the db
603 * follow redirects and save all available file information
604 * (mimetype, date, size, oembed, etc.)
608 function saveKnownUrls($urls)
610 if (common_config('attachments', 'process_links')) {
611 // @fixme validation?
612 foreach (array_unique($urls) as $url) {
613 File::processNew($url, $this->id);
621 function saveUrl($url, $notice_id) {
622 File::processNew($url, $notice_id);
625 static function checkDupes($profile_id, $content) {
626 $profile = Profile::staticGet($profile_id);
627 if (empty($profile)) {
630 $notice = $profile->getNotices(0, CachingNoticeStream::CACHE_WINDOW);
631 if (!empty($notice)) {
633 while ($notice->fetch()) {
634 if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
636 } else if ($notice->content == $content) {
641 // If we get here, oldest item in cache window is not
642 // old enough for dupe limit; do direct check against DB
643 $notice = new Notice();
644 $notice->profile_id = $profile_id;
645 $notice->content = $content;
646 $threshold = common_sql_date(time() - common_config('site', 'dupelimit'));
647 $notice->whereAdd(sprintf("created > '%s'", $notice->escape($threshold)));
649 $cnt = $notice->count();
653 static function checkEditThrottle($profile_id) {
654 $profile = Profile::staticGet($profile_id);
655 if (empty($profile)) {
658 // Get the Nth notice
659 $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
660 if ($notice && $notice->fetch()) {
661 // If the Nth notice was posted less than timespan seconds ago
662 if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
667 // Either not N notices in the stream, OR the Nth was not posted within timespan seconds
671 function getUploadedAttachment() {
673 $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"';
674 $post->query($query);
676 if (empty($post->up) || empty($post->i)) {
679 $ret = array($post->up, $post->i);
685 function hasAttachments() {
687 $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);
688 $post->query($query);
690 $n_attachments = intval($post->n_attachments);
692 return $n_attachments;
695 function attachments() {
698 $f2p = new File_to_post;
699 $f2p->post_id = $this->id;
701 while ($f2p->fetch()) {
702 $f = File::staticGet($f2p->file_id);
712 function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
714 $stream = new PublicNoticeStream();
715 return $stream->getNotices($offset, $limit, $since_id, $max_id);
719 function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
721 $stream = new ConversationNoticeStream($id);
723 return $stream->getNotices($offset, $limit, $since_id, $max_id);
727 * Is this notice part of an active conversation?
729 * @return boolean true if other messages exist in the same
730 * conversation, false if this is the only one
732 function hasConversation()
734 if (!empty($this->conversation)) {
735 $conversation = Notice::conversationStream(
741 if ($conversation->N > 0) {
749 * Grab the earliest notice from this conversation.
751 * @return Notice or null
753 function conversationRoot()
755 if (!empty($this->conversation)) {
756 $c = self::memcache();
758 $key = Cache::key('notice:conversation_root:' . $this->conversation);
759 $notice = $c->get($key);
764 $notice = new Notice();
765 $notice->conversation = $this->conversation;
766 $notice->orderBy('CREATED');
771 $c->set($key, $notice);
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 = $this->getSubscribedUsers();
809 // FIXME: kind of ignoring 'transitional'...
810 // we'll probably stop supporting inboxless mode
815 // Give plugins a chance to add folks in at start...
816 if (Event::handle('StartNoticeWhoGets', array($this, &$ni))) {
818 foreach ($users as $id) {
819 $ni[$id] = NOTICE_INBOX_SOURCE_SUB;
822 foreach ($groups as $group) {
823 $users = $group->getUserMembers();
824 foreach ($users as $id) {
825 if (!array_key_exists($id, $ni)) {
826 $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
831 foreach ($recipients as $recipient) {
832 if (!array_key_exists($recipient, $ni)) {
833 $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
837 // Exclude any deleted, non-local, or blocking recipients.
838 $profile = $this->getProfile();
839 $originalProfile = null;
840 if ($this->repeat_of) {
841 // Check blocks against the original notice's poster as well.
842 $original = Notice::staticGet('id', $this->repeat_of);
844 $originalProfile = $original->getProfile();
847 foreach ($ni as $id => $source) {
848 $user = User::staticGet('id', $id);
849 if (empty($user) || $user->hasBlocked($profile) ||
850 ($originalProfile && $user->hasBlocked($originalProfile))) {
855 // Give plugins a chance to filter out...
856 Event::handle('EndNoticeWhoGets', array($this, &$ni));
860 // XXX: pack this data better
861 $c->set(Cache::key('notice:who_gets:'.$this->id), $ni);
868 * Adds this notice to the inboxes of each local user who should receive
869 * it, based on author subscriptions, group memberships, and @-replies.
871 * Warning: running a second time currently will make items appear
872 * multiple times in users' inboxes.
874 * @fixme make more robust against errors
875 * @fixme break up massive deliveries to smaller background tasks
877 * @param array $groups optional list of Group objects;
878 * if left empty, will be loaded from group_inbox records
879 * @param array $recipient optional list of reply profile ids
880 * if left empty, will be loaded from reply records
882 function addToInboxes($groups=null, $recipients=null)
884 $ni = $this->whoGets($groups, $recipients);
886 $ids = array_keys($ni);
888 // We remove the author (if they're a local user),
889 // since we'll have already done this in distribute()
891 $i = array_search($this->profile_id, $ids);
899 Inbox::bulkInsert($this->id, $ids);
904 function getSubscribedUsers()
908 if(common_config('db','quote_identifiers'))
909 $user_table = '"user"';
910 else $user_table = 'user';
914 'FROM '. $user_table .' JOIN subscription '.
915 'ON '. $user_table .'.id = subscription.subscriber ' .
916 'WHERE subscription.subscribed = %d ';
918 $user->query(sprintf($qry, $this->profile_id));
922 while ($user->fetch()) {
932 * Record this notice to the given group inboxes for delivery.
933 * Overrides the regular parsing of !group markup.
935 * @param string $group_ids
936 * @fixme might prefer URIs as identifiers, as for replies?
937 * best with generalizations on user_group to support
938 * remote groups better.
940 function saveKnownGroups($group_ids)
942 if (!is_array($group_ids)) {
943 // TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
944 throw new ServerException(_('Bad type provided to saveKnownGroups.'));
948 foreach (array_unique($group_ids) as $id) {
949 $group = User_group::staticGet('id', $id);
951 common_log(LOG_ERR, "Local delivery to group id $id, $group->nickname");
952 $result = $this->addToGroupInbox($group);
954 common_log_db_error($gi, 'INSERT', __FILE__);
957 // we automatically add a tag for every group name, too
959 $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($group->nickname),
960 'notice_id' => $this->id));
963 $this->saveTag($group->nickname);
966 $groups[] = clone($group);
968 common_log(LOG_ERR, "Local delivery to group id $id skipped, doesn't exist");
976 * Parse !group delivery and record targets into group_inbox.
977 * @return array of Group objects
979 function saveGroups()
981 // Don't save groups for repeats
983 if (!empty($this->repeat_of)) {
987 $profile = $this->getProfile();
989 $groups = self::groupsFromText($this->content, $profile);
991 /* Add them to the database */
993 foreach ($groups as $group) {
994 /* XXX: remote groups. */
1001 if ($profile->isMember($group)) {
1003 $result = $this->addToGroupInbox($group);
1006 common_log_db_error($gi, 'INSERT', __FILE__);
1009 $groups[] = clone($group);
1016 function addToGroupInbox($group)
1018 $gi = Group_inbox::pkeyGet(array('group_id' => $group->id,
1019 'notice_id' => $this->id));
1023 $gi = new Group_inbox();
1025 $gi->group_id = $group->id;
1026 $gi->notice_id = $this->id;
1027 $gi->created = $this->created;
1029 $result = $gi->insert();
1032 common_log_db_error($gi, 'INSERT', __FILE__);
1033 // TRANS: Server exception thrown when an update for a group inbox fails.
1034 throw new ServerException(_('Problem saving group inbox.'));
1037 self::blow('user_group:notice_ids:%d', $gi->group_id);
1044 * Save reply records indicating that this notice needs to be
1045 * delivered to the local users with the given URIs.
1047 * Since this is expected to be used when saving foreign-sourced
1048 * messages, we won't deliver to any remote targets as that's the
1049 * source service's responsibility.
1051 * Mail notifications etc will be handled later.
1053 * @param array of unique identifier URIs for recipients
1055 function saveKnownReplies($uris)
1061 $sender = Profile::staticGet($this->profile_id);
1063 foreach (array_unique($uris) as $uri) {
1065 $profile = Profile::fromURI($uri);
1067 if (empty($profile)) {
1068 common_log(LOG_WARNING, "Unable to determine profile for URI '$uri'");
1072 if ($profile->hasBlocked($sender)) {
1073 common_log(LOG_INFO, "Not saving reply to profile {$profile->id} ($uri) from sender {$sender->id} because of a block.");
1077 $reply = new Reply();
1079 $reply->notice_id = $this->id;
1080 $reply->profile_id = $profile->id;
1081 $reply->modified = $this->created;
1083 common_log(LOG_INFO, __METHOD__ . ": saving reply: notice $this->id to profile $profile->id");
1085 $id = $reply->insert();
1092 * Pull @-replies from this message's content in StatusNet markup format
1093 * and save reply records indicating that this message needs to be
1094 * delivered to those users.
1096 * Mail notifications to local profiles will be sent later.
1098 * @return array of integer profile IDs
1101 function saveReplies()
1103 // Don't save reply data for repeats
1105 if (!empty($this->repeat_of)) {
1109 $sender = Profile::staticGet($this->profile_id);
1111 // @todo ideally this parser information would only
1112 // be calculated once.
1114 $mentions = common_find_mentions($this->content, $this);
1118 // store replied only for first @ (what user/notice what the reply directed,
1119 // we assume first @ is it)
1121 foreach ($mentions as $mention) {
1123 foreach ($mention['mentioned'] as $mentioned) {
1125 // skip if they're already covered
1127 if (!empty($replied[$mentioned->id])) {
1131 // Don't save replies from blocked profile to local user
1133 $mentioned_user = User::staticGet('id', $mentioned->id);
1134 if (!empty($mentioned_user) && $mentioned_user->hasBlocked($sender)) {
1138 $reply = new Reply();
1140 $reply->notice_id = $this->id;
1141 $reply->profile_id = $mentioned->id;
1142 $reply->modified = $this->created;
1144 $id = $reply->insert();
1147 common_log_db_error($reply, 'INSERT', __FILE__);
1148 // TRANS: Server exception thrown when a reply cannot be saved.
1149 // TRANS: %1$d is a notice ID, %2$d is the ID of the mentioned user.
1150 throw new ServerException(sprintf(_('Could not save reply for %1$d, %2$d.'), $this->id, $mentioned->id));
1152 $replied[$mentioned->id] = 1;
1153 self::blow('reply:stream:%d', $mentioned->id);
1158 $recipientIds = array_keys($replied);
1160 return $recipientIds;
1164 * Pull the complete list of @-reply targets for this notice.
1166 * @return array of integer profile ids
1168 function getReplies()
1174 $reply = new Reply();
1175 $reply->selectAdd();
1176 $reply->selectAdd('profile_id');
1177 $reply->notice_id = $this->id;
1179 if ($reply->find()) {
1180 while($reply->fetch()) {
1181 $ids[] = $reply->profile_id;
1191 * Send e-mail notifications to local @-reply targets.
1193 * Replies must already have been saved; this is expected to be run
1194 * from the distrib queue handler.
1196 function sendReplyNotifications()
1198 // Don't send reply notifications for repeats
1200 if (!empty($this->repeat_of)) {
1204 $recipientIds = $this->getReplies();
1206 foreach ($recipientIds as $recipientId) {
1207 $user = User::staticGet('id', $recipientId);
1208 if (!empty($user)) {
1209 mail_notify_attn($user, $this);
1215 * Pull list of groups this notice needs to be delivered to,
1216 * as previously recorded by saveGroups() or saveKnownGroups().
1218 * @return array of Group objects
1220 function getGroups()
1222 // Don't save groups for repeats
1224 if (!empty($this->repeat_of)) {
1232 $gi = new Group_inbox();
1235 $gi->selectAdd('group_id');
1237 $gi->notice_id = $this->id;
1240 while ($gi->fetch()) {
1241 $group = User_group::staticGet('id', $gi->group_id);
1254 * Convert a notice into an activity for export.
1256 * @param User $cur Current user
1258 * @return Activity activity object representing this Notice.
1261 function asActivity($cur)
1263 $act = self::cacheGet(Cache::codeKey('notice:as-activity:'.$this->id));
1268 $act = new Activity();
1270 if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
1272 $profile = $this->getProfile();
1274 $act->actor = ActivityObject::fromProfile($profile);
1275 $act->actor->extra[] = $profile->profileInfo($cur);
1276 $act->verb = ActivityVerb::POST;
1277 $act->objects[] = ActivityObject::fromNotice($this);
1279 // XXX: should this be handled by default processing for object entry?
1281 $act->time = strtotime($this->created);
1282 $act->link = $this->bestUrl();
1284 $act->content = common_xml_safe_str($this->rendered);
1285 $act->id = $this->uri;
1286 $act->title = common_xml_safe_str($this->content);
1290 $tags = $this->getTags();
1292 foreach ($tags as $tag) {
1293 $cat = new AtomCategory();
1296 $act->categories[] = $cat;
1300 // XXX: use Atom Media and/or File activity objects instead
1302 $attachments = $this->attachments();
1304 foreach ($attachments as $attachment) {
1305 $enclosure = $attachment->getEnclosure();
1307 $act->enclosures[] = $enclosure;
1311 $ctx = new ActivityContext();
1313 if (!empty($this->reply_to)) {
1314 $reply = Notice::staticGet('id', $this->reply_to);
1315 if (!empty($reply)) {
1316 $ctx->replyToID = $reply->uri;
1317 $ctx->replyToUrl = $reply->bestUrl();
1321 $ctx->location = $this->getLocation();
1325 if (!empty($this->conversation)) {
1326 $conv = Conversation::staticGet('id', $this->conversation);
1327 if (!empty($conv)) {
1328 $ctx->conversation = $conv->uri;
1332 $reply_ids = $this->getReplies();
1334 foreach ($reply_ids as $id) {
1335 $profile = Profile::staticGet('id', $id);
1336 if (!empty($profile)) {
1337 $ctx->attention[] = $profile->getUri();
1341 $groups = $this->getGroups();
1343 foreach ($groups as $group) {
1344 $ctx->attention[] = $group->getUri();
1347 // XXX: deprecated; use ActivityVerb::SHARE instead
1351 if (!empty($this->repeat_of)) {
1352 $repeat = Notice::staticGet('id', $this->repeat_of);
1353 $ctx->forwardID = $repeat->uri;
1354 $ctx->forwardUrl = $repeat->bestUrl();
1357 $act->context = $ctx;
1361 $atom_feed = $profile->getAtomFeed();
1363 if (!empty($atom_feed)) {
1365 $act->source = new ActivitySource();
1367 // XXX: we should store the actual feed ID
1369 $act->source->id = $atom_feed;
1371 // XXX: we should store the actual feed title
1373 $act->source->title = $profile->getBestName();
1375 $act->source->links['alternate'] = $profile->profileurl;
1376 $act->source->links['self'] = $atom_feed;
1378 $act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
1380 $notice = $profile->getCurrentNotice();
1382 if (!empty($notice)) {
1383 $act->source->updated = self::utcDate($notice->created);
1386 $user = User::staticGet('id', $profile->id);
1388 if (!empty($user)) {
1389 $act->source->links['license'] = common_config('license', 'url');
1393 if ($this->isLocal()) {
1394 $act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id,
1395 'format' => 'atom'));
1396 $act->editLink = $act->selfLink;
1399 Event::handle('EndNoticeAsActivity', array($this, &$act));
1402 self::cacheSet(Cache::codeKey('notice:as-activity:'.$this->id), $act);
1407 // This has gotten way too long. Needs to be sliced up into functional bits
1408 // or ideally exported to a utility class.
1410 function asAtomEntry($namespace=false,
1415 $act = $this->asActivity($cur);
1416 $act->extra[] = $this->noticeInfo($cur);
1417 return $act->asString($namespace, $author, $source);
1421 * Extra notice info for atom entries
1423 * Clients use some extra notice info in the atom stream.
1424 * This gives it to them.
1426 * @param User $cur Current user
1428 * @return array representation of <statusnet:notice_info> element
1431 function noticeInfo($cur)
1433 // local notice ID (useful to clients for ordering)
1435 $noticeInfoAttr = array('local_id' => $this->id);
1439 $ns = $this->getSource();
1442 $noticeInfoAttr['source'] = $ns->code;
1443 if (!empty($ns->url)) {
1444 $noticeInfoAttr['source_link'] = $ns->url;
1445 if (!empty($ns->name)) {
1446 $noticeInfoAttr['source'] = '<a href="'
1447 . htmlspecialchars($ns->url)
1448 . '" rel="nofollow">'
1449 . htmlspecialchars($ns->name)
1455 // favorite and repeated
1458 $noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
1459 $cp = $cur->getProfile();
1460 $noticeInfoAttr['repeated'] = ($cp->hasRepeated($this->id)) ? "true" : "false";
1463 if (!empty($this->repeat_of)) {
1464 $noticeInfoAttr['repeat_of'] = $this->repeat_of;
1467 return array('statusnet:notice_info', $noticeInfoAttr, null);
1471 * Returns an XML string fragment with a reference to a notice as an
1472 * Activity Streams noun object with the given element type.
1474 * Assumes that 'activity' namespace has been previously defined.
1476 * @param string $element one of 'subject', 'object', 'target'
1480 function asActivityNoun($element)
1482 $noun = ActivityObject::fromNotice($this);
1483 return $noun->asString('activity:' . $element);
1488 if (!empty($this->url)) {
1490 } else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
1493 return common_local_url('shownotice',
1494 array('notice' => $this->id));
1500 * Determine which notice, if any, a new notice is in reply to.
1502 * For conversation tracking, we try to see where this notice fits
1503 * in the tree. Rough algorithm is:
1505 * if (reply_to is set and valid) {
1507 * } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
1508 * return ID of last notice by initial @name in content;
1511 * Note that all @nickname instances will still be used to save "reply" records,
1512 * so the notice shows up in the mentioned users' "replies" tab.
1514 * @param integer $reply_to ID passed in by Web or API
1515 * @param integer $profile_id ID of author
1516 * @param string $source Source tag, like 'web' or 'gwibber'
1517 * @param string $content Final notice content
1519 * @return integer ID of replied-to notice, or null for not a reply.
1522 static function getReplyTo($reply_to, $profile_id, $source, $content)
1524 static $lb = array('xmpp', 'mail', 'sms', 'omb');
1526 // If $reply_to is specified, we check that it exists, and then
1527 // return it if it does
1529 if (!empty($reply_to)) {
1530 $reply_notice = Notice::staticGet('id', $reply_to);
1531 if (!empty($reply_notice)) {
1536 // If it's not a "low bandwidth" source (one where you can't set
1537 // a reply_to argument), we return. This is mostly web and API
1540 if (!in_array($source, $lb)) {
1544 // Is there an initial @ or T?
1546 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
1547 preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
1548 $nickname = common_canonical_nickname($match[1]);
1553 // Figure out who that is.
1555 $sender = Profile::staticGet('id', $profile_id);
1556 if (empty($sender)) {
1560 $recipient = common_relative_profile($sender, $nickname, common_sql_now());
1562 if (empty($recipient)) {
1566 // Get their last notice
1568 $last = $recipient->getCurrentNotice();
1570 if (!empty($last)) {
1575 static function maxContent()
1577 $contentlimit = common_config('notice', 'contentlimit');
1578 // null => use global limit (distinct from 0!)
1579 if (is_null($contentlimit)) {
1580 $contentlimit = common_config('site', 'textlimit');
1582 return $contentlimit;
1585 static function contentTooLong($content)
1587 $contentlimit = self::maxContent();
1588 return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
1591 function getLocation()
1595 if (!empty($this->location_id) && !empty($this->location_ns)) {
1596 $location = Location::fromId($this->location_id, $this->location_ns);
1599 if (is_null($location)) { // no ID, or Location::fromId() failed
1600 if (!empty($this->lat) && !empty($this->lon)) {
1601 $location = Location::fromLatLon($this->lat, $this->lon);
1609 * Convenience function for posting a repeat of an existing message.
1611 * @param int $repeater_id: profile ID of user doing the repeat
1612 * @param string $source: posting source key, eg 'web', 'api', etc
1615 * @throws Exception on failure or permission problems
1617 function repeat($repeater_id, $source)
1619 $author = Profile::staticGet('id', $this->profile_id);
1621 // TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
1622 // TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
1623 $content = sprintf(_('RT @%1$s %2$s'),
1627 $maxlen = common_config('site', 'textlimit');
1628 if ($maxlen > 0 && mb_strlen($content) > $maxlen) {
1629 // Web interface and current Twitter API clients will
1630 // pull the original notice's text, but some older
1631 // clients and RSS/Atom feeds will see this trimmed text.
1633 // Unfortunately this is likely to lose tags or URLs
1634 // at the end of long notices.
1635 $content = mb_substr($content, 0, $maxlen - 4) . ' ...';
1638 // Scope is same as this one's
1640 return self::saveNew($repeater_id,
1643 array('repeat_of' => $this->id,
1644 'scope' => $this->scope));
1647 // These are supposed to be in chron order!
1649 function repeatStream($limit=100)
1651 $cache = Cache::instance();
1653 if (empty($cache)) {
1654 $ids = $this->_repeatStreamDirect($limit);
1656 $idstr = $cache->get(Cache::key('notice:repeats:'.$this->id));
1657 if ($idstr !== false) {
1658 $ids = explode(',', $idstr);
1660 $ids = $this->_repeatStreamDirect(100);
1661 $cache->set(Cache::key('notice:repeats:'.$this->id), implode(',', $ids));
1664 // We do a max of 100, so slice down to limit
1665 $ids = array_slice($ids, 0, $limit);
1669 return NoticeStream::getStreamByIds($ids);
1672 function _repeatStreamDirect($limit)
1674 $notice = new Notice();
1676 $notice->selectAdd(); // clears it
1677 $notice->selectAdd('id');
1679 $notice->repeat_of = $this->id;
1681 $notice->orderBy('created, id'); // NB: asc!
1683 if (!is_null($limit)) {
1684 $notice->limit(0, $limit);
1689 if ($notice->find()) {
1690 while ($notice->fetch()) {
1691 $ids[] = $notice->id;
1701 function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
1705 if (!empty($location_id) && !empty($location_ns)) {
1706 $options['location_id'] = $location_id;
1707 $options['location_ns'] = $location_ns;
1709 $location = Location::fromId($location_id, $location_ns);
1711 if (!empty($location)) {
1712 $options['lat'] = $location->lat;
1713 $options['lon'] = $location->lon;
1716 } else if (!empty($lat) && !empty($lon)) {
1717 $options['lat'] = $lat;
1718 $options['lon'] = $lon;
1720 $location = Location::fromLatLon($lat, $lon);
1722 if (!empty($location)) {
1723 $options['location_id'] = $location->location_id;
1724 $options['location_ns'] = $location->location_ns;
1726 } else if (!empty($profile)) {
1727 if (isset($profile->lat) && isset($profile->lon)) {
1728 $options['lat'] = $profile->lat;
1729 $options['lon'] = $profile->lon;
1732 if (isset($profile->location_id) && isset($profile->location_ns)) {
1733 $options['location_id'] = $profile->location_id;
1734 $options['location_ns'] = $profile->location_ns;
1741 function clearReplies()
1743 $replyNotice = new Notice();
1744 $replyNotice->reply_to = $this->id;
1746 //Null any notices that are replies to this notice
1748 if ($replyNotice->find()) {
1749 while ($replyNotice->fetch()) {
1750 $orig = clone($replyNotice);
1751 $replyNotice->reply_to = null;
1752 $replyNotice->update($orig);
1758 $reply = new Reply();
1759 $reply->notice_id = $this->id;
1761 if ($reply->find()) {
1762 while($reply->fetch()) {
1763 self::blow('reply:stream:%d', $reply->profile_id);
1771 function clearFiles()
1773 $f2p = new File_to_post();
1775 $f2p->post_id = $this->id;
1778 while ($f2p->fetch()) {
1782 // FIXME: decide whether to delete File objects
1783 // ...and related (actual) files
1786 function clearRepeats()
1788 $repeatNotice = new Notice();
1789 $repeatNotice->repeat_of = $this->id;
1791 //Null any notices that are repeats of this notice
1793 if ($repeatNotice->find()) {
1794 while ($repeatNotice->fetch()) {
1795 $orig = clone($repeatNotice);
1796 $repeatNotice->repeat_of = null;
1797 $repeatNotice->update($orig);
1802 function clearFaves()
1805 $fave->notice_id = $this->id;
1807 if ($fave->find()) {
1808 while ($fave->fetch()) {
1809 self::blow('fave:ids_by_user_own:%d', $fave->user_id);
1810 self::blow('fave:ids_by_user_own:%d;last', $fave->user_id);
1811 self::blow('fave:ids_by_user:%d', $fave->user_id);
1812 self::blow('fave:ids_by_user:%d;last', $fave->user_id);
1820 function clearTags()
1822 $tag = new Notice_tag();
1823 $tag->notice_id = $this->id;
1826 while ($tag->fetch()) {
1827 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, Cache::keyize($tag->tag));
1828 self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, Cache::keyize($tag->tag));
1829 self::blow('notice_tag:notice_ids:%s', Cache::keyize($tag->tag));
1830 self::blow('notice_tag:notice_ids:%s;last', Cache::keyize($tag->tag));
1838 function clearGroupInboxes()
1840 $gi = new Group_inbox();
1842 $gi->notice_id = $this->id;
1845 while ($gi->fetch()) {
1846 self::blow('user_group:notice_ids:%d', $gi->group_id);
1854 function distribute()
1856 // We always insert for the author so they don't
1858 Event::handle('StartNoticeDistribute', array($this));
1860 $user = User::staticGet('id', $this->profile_id);
1861 if (!empty($user)) {
1862 Inbox::insertNotice($user->id, $this->id);
1865 if (common_config('queue', 'inboxes')) {
1866 // If there's a failure, we want to _force_
1867 // distribution at this point.
1869 $qm = QueueManager::get();
1870 $qm->enqueue($this, 'distrib');
1871 } catch (Exception $e) {
1872 // If the exception isn't transient, this
1873 // may throw more exceptions as DQH does
1874 // its own enqueueing. So, we ignore them!
1876 $handler = new DistribQueueHandler();
1877 $handler->handle($this);
1878 } catch (Exception $e) {
1879 common_log(LOG_ERR, "emergency redistribution resulted in " . $e->getMessage());
1881 // Re-throw so somebody smarter can handle it.
1885 $handler = new DistribQueueHandler();
1886 $handler->handle($this);
1892 $result = parent::insert();
1895 // Profile::hasRepeated() abuses pkeyGet(), so we
1896 // have to clear manually
1897 if (!empty($this->repeat_of)) {
1898 $c = self::memcache();
1900 $ck = self::multicacheKey('Notice',
1901 array('profile_id' => $this->profile_id,
1902 'repeat_of' => $this->repeat_of));
1912 * Get the source of the notice
1914 * @return Notice_source $ns A notice source object. 'code' is the only attribute
1915 * guaranteed to be populated.
1917 function getSource()
1919 $ns = new Notice_source();
1920 if (!empty($this->source)) {
1921 switch ($this->source) {
1928 $ns->code = $this->source;
1931 $ns = Notice_source::staticGet($this->source);
1933 $ns = new Notice_source();
1934 $ns->code = $this->source;
1935 $app = Oauth_application::staticGet('name', $this->source);
1937 $ns->name = $app->name;
1938 $ns->url = $app->source_url;
1948 * Determine whether the notice was locally created
1950 * @return boolean locality
1953 public function isLocal()
1955 return ($this->is_local == Notice::LOCAL_PUBLIC ||
1956 $this->is_local == Notice::LOCAL_NONPUBLIC);
1960 * Get the list of hash tags saved with this notice.
1962 * @return array of strings
1964 public function getTags()
1967 $tag = new Notice_tag();
1968 $tag->notice_id = $this->id;
1970 while ($tag->fetch()) {
1971 $tags[] = $tag->tag;
1978 static private function utcDate($dt)
1980 $dateStr = date('d F Y H:i:s', strtotime($dt));
1981 $d = new DateTime($dateStr, new DateTimeZone('UTC'));
1982 return $d->format(DATE_W3C);
1986 * Look up the creation timestamp for a given notice ID, even
1987 * if it's been deleted.
1990 * @return mixed string recorded creation timestamp, or false if can't be found
1992 public static function getAsTimestamp($id)
1998 $notice = Notice::staticGet('id', $id);
2000 return $notice->created;
2003 $deleted = Deleted_notice::staticGet('id', $id);
2005 return $deleted->created;
2012 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2013 * parameter, matching notices posted after the given one (exclusive).
2015 * If the referenced notice can't be found, will return false.
2018 * @param string $idField
2019 * @param string $createdField
2020 * @return mixed string or false if no match
2022 public static function whereSinceId($id, $idField='id', $createdField='created')
2024 $since = Notice::getAsTimestamp($id);
2026 return sprintf("($createdField = '%s' and $idField > %d) or ($createdField > '%s')", $since, $id, $since);
2032 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2033 * parameter, matching notices posted after the given one (exclusive), and
2034 * if necessary add it to the data object's query.
2036 * @param DB_DataObject $obj
2038 * @param string $idField
2039 * @param string $createdField
2040 * @return mixed string or false if no match
2042 public static function addWhereSinceId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2044 $since = self::whereSinceId($id, $idField, $createdField);
2046 $obj->whereAdd($since);
2051 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2052 * parameter, matching notices posted before the given one (inclusive).
2054 * If the referenced notice can't be found, will return false.
2057 * @param string $idField
2058 * @param string $createdField
2059 * @return mixed string or false if no match
2061 public static function whereMaxId($id, $idField='id', $createdField='created')
2063 $max = Notice::getAsTimestamp($id);
2065 return sprintf("($createdField < '%s') or ($createdField = '%s' and $idField <= %d)", $max, $max, $id);
2071 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2072 * parameter, matching notices posted before the given one (inclusive), and
2073 * if necessary add it to the data object's query.
2075 * @param DB_DataObject $obj
2077 * @param string $idField
2078 * @param string $createdField
2079 * @return mixed string or false if no match
2081 public static function addWhereMaxId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2083 $max = self::whereMaxId($id, $idField, $createdField);
2085 $obj->whereAdd($max);
2091 if (common_config('public', 'localonly')) {
2092 return ($this->is_local == Notice::LOCAL_PUBLIC);
2094 return (($this->is_local != Notice::LOCAL_NONPUBLIC) &&
2095 ($this->is_local != Notice::GATEWAY));
2100 * Check that the given profile is allowed to read, respond to, or otherwise
2101 * act on this notice.
2103 * The $scope member is a bitmask of scopes, representing a logical AND of the
2104 * scope requirement. So, 0x03 (Notice::ADDRESSEE_SCOPE | Notice::SITE_SCOPE) means
2105 * "only visible to people who are mentioned in the notice AND are users on this site."
2106 * Users on the site who are not mentioned in the notice will not be able to see the
2109 * @param Profile $profile The profile to check; pass null to check for public/unauthenticated users.
2111 * @return boolean whether the profile is in the notice's scope
2113 function inScope($profile)
2115 // If there's no scope, anyone (even anon) is in scope.
2117 if ($this->scope == 0) {
2121 // If there's scope, anon cannot be in scope
2123 if (empty($profile)) {
2127 // Author is always in scope
2129 if ($this->profile_id == $profile->id) {
2133 // Only for users on this site
2135 if ($this->scope & Notice::SITE_SCOPE) {
2136 $user = $profile->getUser();
2142 // Only for users mentioned in the notice
2144 if ($this->scope & Notice::ADDRESSEE_SCOPE) {
2146 // XXX: just query for the single reply
2148 $replies = $this->getReplies();
2150 if (!in_array($profile->id, $replies)) {
2155 // Only for members of the given group
2157 if ($this->scope & Notice::GROUP_SCOPE) {
2159 // XXX: just query for the single membership
2161 $groups = $this->getGroups();
2165 foreach ($groups as $group) {
2166 if ($profile->isMember($group)) {
2177 // Only for followers of the author
2179 if ($this->scope & Notice::FOLLOWER_SCOPE) {
2180 $author = $this->getProfile();
2181 if (!Subscription::exists($profile, $author)) {
2189 static function groupsFromText($text, $profile)
2193 /* extract all !group */
2194 $count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
2202 foreach (array_unique($match[1]) as $nickname) {
2203 $group = User_group::getForNickname($nickname, $profile);
2204 if (!empty($group) && $profile->isMember($group)) {
2205 $groups[] = $group->id;