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 $notice->scope |= Notice::FOLLOWER_SCOPE;
436 if (Event::handle('StartNoticeSave', array(&$notice))) {
438 // XXX: some of these functions write to the DB
440 $id = $notice->insert();
443 common_log_db_error($notice, 'INSERT', __FILE__);
444 // TRANS: Server exception thrown when a notice cannot be saved.
445 throw new ServerException(_('Problem saving notice.'));
448 // Update ID-dependent columns: URI, conversation
450 $orig = clone($notice);
455 $notice->uri = common_notice_uri($notice);
459 // If it's not part of a conversation, it's
460 // the beginning of a new conversation.
462 if (empty($notice->conversation)) {
463 $conv = Conversation::create();
464 $notice->conversation = $conv->id;
469 if (!$notice->update($orig)) {
470 common_log_db_error($notice, 'UPDATE', __FILE__);
471 // TRANS: Server exception thrown when a notice cannot be updated.
472 throw new ServerException(_('Problem saving notice.'));
478 // Clear the cache for subscribed users, so they'll update at next request
479 // XXX: someone clever could prepend instead of clearing the cache
481 $notice->blowOnInsert();
483 // Save per-notice metadata...
485 if (isset($replies)) {
486 $notice->saveKnownReplies($replies);
488 $notice->saveReplies();
492 $notice->saveKnownTags($tags);
497 // Note: groups may save tags, so must be run after tags are saved
498 // to avoid errors on duplicates.
499 if (isset($groups)) {
500 $notice->saveKnownGroups($groups);
502 $notice->saveGroups();
506 $notice->saveKnownUrls($urls);
512 // Prepare inbox delivery, may be queued to background.
513 $notice->distribute();
519 function blowOnInsert($conversation = false)
521 self::blow('profile:notice_ids:%d', $this->profile_id);
523 if ($this->isPublic()) {
524 self::blow('public');
527 // XXX: Before we were blowing the casche only if the notice id
528 // was not the root of the conversation. What to do now?
530 self::blow('notice:conversation_ids:%d', $this->conversation);
532 if (!empty($this->repeat_of)) {
533 self::blow('notice:repeats:%d', $this->repeat_of);
536 $original = Notice::staticGet('id', $this->repeat_of);
538 if (!empty($original)) {
539 $originalUser = User::staticGet('id', $original->profile_id);
540 if (!empty($originalUser)) {
541 self::blow('user:repeats_of_me:%d', $originalUser->id);
545 $profile = Profile::staticGet($this->profile_id);
546 if (!empty($profile)) {
547 $profile->blowNoticeCount();
552 * Clear cache entries related to this notice at delete time.
553 * Necessary to avoid breaking paging on public, profile timelines.
555 function blowOnDelete()
557 $this->blowOnInsert();
559 self::blow('profile:notice_ids:%d;last', $this->profile_id);
561 if ($this->isPublic()) {
562 self::blow('public;last');
565 self::blow('fave:by_notice', $this->id);
567 if ($this->conversation) {
568 // In case we're the first, will need to calc a new root.
569 self::blow('notice:conversation_root:%d', $this->conversation);
573 /** save all urls in the notice to the db
575 * follow redirects and save all available file information
576 * (mimetype, date, size, oembed, etc.)
580 function saveUrls() {
581 if (common_config('attachments', 'process_links')) {
582 common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
587 * Save the given URLs as related links/attachments to the db
589 * follow redirects and save all available file information
590 * (mimetype, date, size, oembed, etc.)
594 function saveKnownUrls($urls)
596 if (common_config('attachments', 'process_links')) {
597 // @fixme validation?
598 foreach (array_unique($urls) as $url) {
599 File::processNew($url, $this->id);
607 function saveUrl($url, $notice_id) {
608 File::processNew($url, $notice_id);
611 static function checkDupes($profile_id, $content) {
612 $profile = Profile::staticGet($profile_id);
613 if (empty($profile)) {
616 $notice = $profile->getNotices(0, CachingNoticeStream::CACHE_WINDOW);
617 if (!empty($notice)) {
619 while ($notice->fetch()) {
620 if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
622 } else if ($notice->content == $content) {
627 // If we get here, oldest item in cache window is not
628 // old enough for dupe limit; do direct check against DB
629 $notice = new Notice();
630 $notice->profile_id = $profile_id;
631 $notice->content = $content;
632 $threshold = common_sql_date(time() - common_config('site', 'dupelimit'));
633 $notice->whereAdd(sprintf("created > '%s'", $notice->escape($threshold)));
635 $cnt = $notice->count();
639 static function checkEditThrottle($profile_id) {
640 $profile = Profile::staticGet($profile_id);
641 if (empty($profile)) {
644 // Get the Nth notice
645 $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
646 if ($notice && $notice->fetch()) {
647 // If the Nth notice was posted less than timespan seconds ago
648 if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
653 // Either not N notices in the stream, OR the Nth was not posted within timespan seconds
657 function getUploadedAttachment() {
659 $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"';
660 $post->query($query);
662 if (empty($post->up) || empty($post->i)) {
665 $ret = array($post->up, $post->i);
671 function hasAttachments() {
673 $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);
674 $post->query($query);
676 $n_attachments = intval($post->n_attachments);
678 return $n_attachments;
681 function attachments() {
684 $f2p = new File_to_post;
685 $f2p->post_id = $this->id;
687 while ($f2p->fetch()) {
688 $f = File::staticGet($f2p->file_id);
698 function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
700 $stream = new PublicNoticeStream();
701 return $stream->getNotices($offset, $limit, $since_id, $max_id);
705 function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
707 $stream = new ConversationNoticeStream($id);
709 return $stream->getNotices($offset, $limit, $since_id, $max_id);
713 * Is this notice part of an active conversation?
715 * @return boolean true if other messages exist in the same
716 * conversation, false if this is the only one
718 function hasConversation()
720 if (!empty($this->conversation)) {
721 $conversation = Notice::conversationStream(
727 if ($conversation->N > 0) {
735 * Grab the earliest notice from this conversation.
737 * @return Notice or null
739 function conversationRoot()
741 if (!empty($this->conversation)) {
742 $c = self::memcache();
744 $key = Cache::key('notice:conversation_root:' . $this->conversation);
745 $notice = $c->get($key);
750 $notice = new Notice();
751 $notice->conversation = $this->conversation;
752 $notice->orderBy('CREATED');
757 $c->set($key, $notice);
764 * Pull up a full list of local recipients who will be getting
765 * this notice in their inbox. Results will be cached, so don't
766 * change the input data wily-nilly!
768 * @param array $groups optional list of Group objects;
769 * if left empty, will be loaded from group_inbox records
770 * @param array $recipient optional list of reply profile ids
771 * if left empty, will be loaded from reply records
772 * @return array associating recipient user IDs with an inbox source constant
774 function whoGets($groups=null, $recipients=null)
776 $c = self::memcache();
779 $ni = $c->get(Cache::key('notice:who_gets:'.$this->id));
785 if (is_null($groups)) {
786 $groups = $this->getGroups();
789 if (is_null($recipients)) {
790 $recipients = $this->getReplies();
793 $users = $this->getSubscribedUsers();
795 // FIXME: kind of ignoring 'transitional'...
796 // we'll probably stop supporting inboxless mode
801 // Give plugins a chance to add folks in at start...
802 if (Event::handle('StartNoticeWhoGets', array($this, &$ni))) {
804 foreach ($users as $id) {
805 $ni[$id] = NOTICE_INBOX_SOURCE_SUB;
808 foreach ($groups as $group) {
809 $users = $group->getUserMembers();
810 foreach ($users as $id) {
811 if (!array_key_exists($id, $ni)) {
812 $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
817 foreach ($recipients as $recipient) {
818 if (!array_key_exists($recipient, $ni)) {
819 $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
823 // Exclude any deleted, non-local, or blocking recipients.
824 $profile = $this->getProfile();
825 $originalProfile = null;
826 if ($this->repeat_of) {
827 // Check blocks against the original notice's poster as well.
828 $original = Notice::staticGet('id', $this->repeat_of);
830 $originalProfile = $original->getProfile();
833 foreach ($ni as $id => $source) {
834 $user = User::staticGet('id', $id);
835 if (empty($user) || $user->hasBlocked($profile) ||
836 ($originalProfile && $user->hasBlocked($originalProfile))) {
841 // Give plugins a chance to filter out...
842 Event::handle('EndNoticeWhoGets', array($this, &$ni));
846 // XXX: pack this data better
847 $c->set(Cache::key('notice:who_gets:'.$this->id), $ni);
854 * Adds this notice to the inboxes of each local user who should receive
855 * it, based on author subscriptions, group memberships, and @-replies.
857 * Warning: running a second time currently will make items appear
858 * multiple times in users' inboxes.
860 * @fixme make more robust against errors
861 * @fixme break up massive deliveries to smaller background tasks
863 * @param array $groups optional list of Group objects;
864 * if left empty, will be loaded from group_inbox records
865 * @param array $recipient optional list of reply profile ids
866 * if left empty, will be loaded from reply records
868 function addToInboxes($groups=null, $recipients=null)
870 $ni = $this->whoGets($groups, $recipients);
872 $ids = array_keys($ni);
874 // We remove the author (if they're a local user),
875 // since we'll have already done this in distribute()
877 $i = array_search($this->profile_id, $ids);
885 Inbox::bulkInsert($this->id, $ids);
890 function getSubscribedUsers()
894 if(common_config('db','quote_identifiers'))
895 $user_table = '"user"';
896 else $user_table = 'user';
900 'FROM '. $user_table .' JOIN subscription '.
901 'ON '. $user_table .'.id = subscription.subscriber ' .
902 'WHERE subscription.subscribed = %d ';
904 $user->query(sprintf($qry, $this->profile_id));
908 while ($user->fetch()) {
918 * Record this notice to the given group inboxes for delivery.
919 * Overrides the regular parsing of !group markup.
921 * @param string $group_ids
922 * @fixme might prefer URIs as identifiers, as for replies?
923 * best with generalizations on user_group to support
924 * remote groups better.
926 function saveKnownGroups($group_ids)
928 if (!is_array($group_ids)) {
929 // TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
930 throw new ServerException(_('Bad type provided to saveKnownGroups.'));
934 foreach (array_unique($group_ids) as $id) {
935 $group = User_group::staticGet('id', $id);
937 common_log(LOG_ERR, "Local delivery to group id $id, $group->nickname");
938 $result = $this->addToGroupInbox($group);
940 common_log_db_error($gi, 'INSERT', __FILE__);
943 // @fixme should we save the tags here or not?
944 $groups[] = clone($group);
946 common_log(LOG_ERR, "Local delivery to group id $id skipped, doesn't exist");
954 * Parse !group delivery and record targets into group_inbox.
955 * @return array of Group objects
957 function saveGroups()
959 // Don't save groups for repeats
961 if (!empty($this->repeat_of)) {
967 /* extract all !group */
968 $count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
969 strtolower($this->content),
975 $profile = $this->getProfile();
977 /* Add them to the database */
979 foreach (array_unique($match[1]) as $nickname) {
980 /* XXX: remote groups. */
981 $group = User_group::getForNickname($nickname, $profile);
987 // we automatically add a tag for every group name, too
989 $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($nickname),
990 'notice_id' => $this->id));
993 $this->saveTag($nickname);
996 if ($profile->isMember($group)) {
998 $result = $this->addToGroupInbox($group);
1001 common_log_db_error($gi, 'INSERT', __FILE__);
1004 $groups[] = clone($group);
1011 function addToGroupInbox($group)
1013 $gi = Group_inbox::pkeyGet(array('group_id' => $group->id,
1014 'notice_id' => $this->id));
1018 $gi = new Group_inbox();
1020 $gi->group_id = $group->id;
1021 $gi->notice_id = $this->id;
1022 $gi->created = $this->created;
1024 $result = $gi->insert();
1027 common_log_db_error($gi, 'INSERT', __FILE__);
1028 // TRANS: Server exception thrown when an update for a group inbox fails.
1029 throw new ServerException(_('Problem saving group inbox.'));
1032 self::blow('user_group:notice_ids:%d', $gi->group_id);
1039 * Save reply records indicating that this notice needs to be
1040 * delivered to the local users with the given URIs.
1042 * Since this is expected to be used when saving foreign-sourced
1043 * messages, we won't deliver to any remote targets as that's the
1044 * source service's responsibility.
1046 * Mail notifications etc will be handled later.
1048 * @param array of unique identifier URIs for recipients
1050 function saveKnownReplies($uris)
1056 $sender = Profile::staticGet($this->profile_id);
1058 foreach (array_unique($uris) as $uri) {
1060 $profile = Profile::fromURI($uri);
1062 if (empty($profile)) {
1063 common_log(LOG_WARNING, "Unable to determine profile for URI '$uri'");
1067 if ($profile->hasBlocked($sender)) {
1068 common_log(LOG_INFO, "Not saving reply to profile {$profile->id} ($uri) from sender {$sender->id} because of a block.");
1072 $reply = new Reply();
1074 $reply->notice_id = $this->id;
1075 $reply->profile_id = $profile->id;
1076 $reply->modified = $this->created;
1078 common_log(LOG_INFO, __METHOD__ . ": saving reply: notice $this->id to profile $profile->id");
1080 $id = $reply->insert();
1087 * Pull @-replies from this message's content in StatusNet markup format
1088 * and save reply records indicating that this message needs to be
1089 * delivered to those users.
1091 * Mail notifications to local profiles will be sent later.
1093 * @return array of integer profile IDs
1096 function saveReplies()
1098 // Don't save reply data for repeats
1100 if (!empty($this->repeat_of)) {
1104 $sender = Profile::staticGet($this->profile_id);
1106 // @todo ideally this parser information would only
1107 // be calculated once.
1109 $mentions = common_find_mentions($this->content, $this);
1113 // store replied only for first @ (what user/notice what the reply directed,
1114 // we assume first @ is it)
1116 foreach ($mentions as $mention) {
1118 foreach ($mention['mentioned'] as $mentioned) {
1120 // skip if they're already covered
1122 if (!empty($replied[$mentioned->id])) {
1126 // Don't save replies from blocked profile to local user
1128 $mentioned_user = User::staticGet('id', $mentioned->id);
1129 if (!empty($mentioned_user) && $mentioned_user->hasBlocked($sender)) {
1133 $reply = new Reply();
1135 $reply->notice_id = $this->id;
1136 $reply->profile_id = $mentioned->id;
1137 $reply->modified = $this->created;
1139 $id = $reply->insert();
1142 common_log_db_error($reply, 'INSERT', __FILE__);
1143 // TRANS: Server exception thrown when a reply cannot be saved.
1144 // TRANS: %1$d is a notice ID, %2$d is the ID of the mentioned user.
1145 throw new ServerException(sprintf(_('Could not save reply for %1$d, %2$d.'), $this->id, $mentioned->id));
1147 $replied[$mentioned->id] = 1;
1148 self::blow('reply:stream:%d', $mentioned->id);
1153 $recipientIds = array_keys($replied);
1155 return $recipientIds;
1159 * Pull the complete list of @-reply targets for this notice.
1161 * @return array of integer profile ids
1163 function getReplies()
1169 $reply = new Reply();
1170 $reply->selectAdd();
1171 $reply->selectAdd('profile_id');
1172 $reply->notice_id = $this->id;
1174 if ($reply->find()) {
1175 while($reply->fetch()) {
1176 $ids[] = $reply->profile_id;
1186 * Send e-mail notifications to local @-reply targets.
1188 * Replies must already have been saved; this is expected to be run
1189 * from the distrib queue handler.
1191 function sendReplyNotifications()
1193 // Don't send reply notifications for repeats
1195 if (!empty($this->repeat_of)) {
1199 $recipientIds = $this->getReplies();
1201 foreach ($recipientIds as $recipientId) {
1202 $user = User::staticGet('id', $recipientId);
1203 if (!empty($user)) {
1204 mail_notify_attn($user, $this);
1210 * Pull list of groups this notice needs to be delivered to,
1211 * as previously recorded by saveGroups() or saveKnownGroups().
1213 * @return array of Group objects
1215 function getGroups()
1217 // Don't save groups for repeats
1219 if (!empty($this->repeat_of)) {
1227 $gi = new Group_inbox();
1230 $gi->selectAdd('group_id');
1232 $gi->notice_id = $this->id;
1235 while ($gi->fetch()) {
1236 $group = User_group::staticGet('id', $gi->group_id);
1249 * Convert a notice into an activity for export.
1251 * @param User $cur Current user
1253 * @return Activity activity object representing this Notice.
1256 function asActivity($cur)
1258 $act = self::cacheGet(Cache::codeKey('notice:as-activity:'.$this->id));
1263 $act = new Activity();
1265 if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
1267 $profile = $this->getProfile();
1269 $act->actor = ActivityObject::fromProfile($profile);
1270 $act->actor->extra[] = $profile->profileInfo($cur);
1271 $act->verb = ActivityVerb::POST;
1272 $act->objects[] = ActivityObject::fromNotice($this);
1274 // XXX: should this be handled by default processing for object entry?
1276 $act->time = strtotime($this->created);
1277 $act->link = $this->bestUrl();
1279 $act->content = common_xml_safe_str($this->rendered);
1280 $act->id = $this->uri;
1281 $act->title = common_xml_safe_str($this->content);
1285 $tags = $this->getTags();
1287 foreach ($tags as $tag) {
1288 $cat = new AtomCategory();
1291 $act->categories[] = $cat;
1295 // XXX: use Atom Media and/or File activity objects instead
1297 $attachments = $this->attachments();
1299 foreach ($attachments as $attachment) {
1300 $enclosure = $attachment->getEnclosure();
1302 $act->enclosures[] = $enclosure;
1306 $ctx = new ActivityContext();
1308 if (!empty($this->reply_to)) {
1309 $reply = Notice::staticGet('id', $this->reply_to);
1310 if (!empty($reply)) {
1311 $ctx->replyToID = $reply->uri;
1312 $ctx->replyToUrl = $reply->bestUrl();
1316 $ctx->location = $this->getLocation();
1320 if (!empty($this->conversation)) {
1321 $conv = Conversation::staticGet('id', $this->conversation);
1322 if (!empty($conv)) {
1323 $ctx->conversation = $conv->uri;
1327 $reply_ids = $this->getReplies();
1329 foreach ($reply_ids as $id) {
1330 $profile = Profile::staticGet('id', $id);
1331 if (!empty($profile)) {
1332 $ctx->attention[] = $profile->getUri();
1336 $groups = $this->getGroups();
1338 foreach ($groups as $group) {
1339 $ctx->attention[] = $group->getUri();
1342 // XXX: deprecated; use ActivityVerb::SHARE instead
1346 if (!empty($this->repeat_of)) {
1347 $repeat = Notice::staticGet('id', $this->repeat_of);
1348 $ctx->forwardID = $repeat->uri;
1349 $ctx->forwardUrl = $repeat->bestUrl();
1352 $act->context = $ctx;
1356 $atom_feed = $profile->getAtomFeed();
1358 if (!empty($atom_feed)) {
1360 $act->source = new ActivitySource();
1362 // XXX: we should store the actual feed ID
1364 $act->source->id = $atom_feed;
1366 // XXX: we should store the actual feed title
1368 $act->source->title = $profile->getBestName();
1370 $act->source->links['alternate'] = $profile->profileurl;
1371 $act->source->links['self'] = $atom_feed;
1373 $act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
1375 $notice = $profile->getCurrentNotice();
1377 if (!empty($notice)) {
1378 $act->source->updated = self::utcDate($notice->created);
1381 $user = User::staticGet('id', $profile->id);
1383 if (!empty($user)) {
1384 $act->source->links['license'] = common_config('license', 'url');
1388 if ($this->isLocal()) {
1389 $act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id,
1390 'format' => 'atom'));
1391 $act->editLink = $act->selfLink;
1394 Event::handle('EndNoticeAsActivity', array($this, &$act));
1397 self::cacheSet(Cache::codeKey('notice:as-activity:'.$this->id), $act);
1402 // This has gotten way too long. Needs to be sliced up into functional bits
1403 // or ideally exported to a utility class.
1405 function asAtomEntry($namespace=false,
1410 $act = $this->asActivity($cur);
1411 $act->extra[] = $this->noticeInfo($cur);
1412 return $act->asString($namespace, $author, $source);
1416 * Extra notice info for atom entries
1418 * Clients use some extra notice info in the atom stream.
1419 * This gives it to them.
1421 * @param User $cur Current user
1423 * @return array representation of <statusnet:notice_info> element
1426 function noticeInfo($cur)
1428 // local notice ID (useful to clients for ordering)
1430 $noticeInfoAttr = array('local_id' => $this->id);
1434 $ns = $this->getSource();
1437 $noticeInfoAttr['source'] = $ns->code;
1438 if (!empty($ns->url)) {
1439 $noticeInfoAttr['source_link'] = $ns->url;
1440 if (!empty($ns->name)) {
1441 $noticeInfoAttr['source'] = '<a href="'
1442 . htmlspecialchars($ns->url)
1443 . '" rel="nofollow">'
1444 . htmlspecialchars($ns->name)
1450 // favorite and repeated
1453 $noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
1454 $cp = $cur->getProfile();
1455 $noticeInfoAttr['repeated'] = ($cp->hasRepeated($this->id)) ? "true" : "false";
1458 if (!empty($this->repeat_of)) {
1459 $noticeInfoAttr['repeat_of'] = $this->repeat_of;
1462 return array('statusnet:notice_info', $noticeInfoAttr, null);
1466 * Returns an XML string fragment with a reference to a notice as an
1467 * Activity Streams noun object with the given element type.
1469 * Assumes that 'activity' namespace has been previously defined.
1471 * @param string $element one of 'subject', 'object', 'target'
1475 function asActivityNoun($element)
1477 $noun = ActivityObject::fromNotice($this);
1478 return $noun->asString('activity:' . $element);
1483 if (!empty($this->url)) {
1485 } else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
1488 return common_local_url('shownotice',
1489 array('notice' => $this->id));
1495 * Determine which notice, if any, a new notice is in reply to.
1497 * For conversation tracking, we try to see where this notice fits
1498 * in the tree. Rough algorithm is:
1500 * if (reply_to is set and valid) {
1502 * } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
1503 * return ID of last notice by initial @name in content;
1506 * Note that all @nickname instances will still be used to save "reply" records,
1507 * so the notice shows up in the mentioned users' "replies" tab.
1509 * @param integer $reply_to ID passed in by Web or API
1510 * @param integer $profile_id ID of author
1511 * @param string $source Source tag, like 'web' or 'gwibber'
1512 * @param string $content Final notice content
1514 * @return integer ID of replied-to notice, or null for not a reply.
1517 static function getReplyTo($reply_to, $profile_id, $source, $content)
1519 static $lb = array('xmpp', 'mail', 'sms', 'omb');
1521 // If $reply_to is specified, we check that it exists, and then
1522 // return it if it does
1524 if (!empty($reply_to)) {
1525 $reply_notice = Notice::staticGet('id', $reply_to);
1526 if (!empty($reply_notice)) {
1531 // If it's not a "low bandwidth" source (one where you can't set
1532 // a reply_to argument), we return. This is mostly web and API
1535 if (!in_array($source, $lb)) {
1539 // Is there an initial @ or T?
1541 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
1542 preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
1543 $nickname = common_canonical_nickname($match[1]);
1548 // Figure out who that is.
1550 $sender = Profile::staticGet('id', $profile_id);
1551 if (empty($sender)) {
1555 $recipient = common_relative_profile($sender, $nickname, common_sql_now());
1557 if (empty($recipient)) {
1561 // Get their last notice
1563 $last = $recipient->getCurrentNotice();
1565 if (!empty($last)) {
1570 static function maxContent()
1572 $contentlimit = common_config('notice', 'contentlimit');
1573 // null => use global limit (distinct from 0!)
1574 if (is_null($contentlimit)) {
1575 $contentlimit = common_config('site', 'textlimit');
1577 return $contentlimit;
1580 static function contentTooLong($content)
1582 $contentlimit = self::maxContent();
1583 return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
1586 function getLocation()
1590 if (!empty($this->location_id) && !empty($this->location_ns)) {
1591 $location = Location::fromId($this->location_id, $this->location_ns);
1594 if (is_null($location)) { // no ID, or Location::fromId() failed
1595 if (!empty($this->lat) && !empty($this->lon)) {
1596 $location = Location::fromLatLon($this->lat, $this->lon);
1604 * Convenience function for posting a repeat of an existing message.
1606 * @param int $repeater_id: profile ID of user doing the repeat
1607 * @param string $source: posting source key, eg 'web', 'api', etc
1610 * @throws Exception on failure or permission problems
1612 function repeat($repeater_id, $source)
1614 $author = Profile::staticGet('id', $this->profile_id);
1616 // TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
1617 // TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
1618 $content = sprintf(_('RT @%1$s %2$s'),
1622 $maxlen = common_config('site', 'textlimit');
1623 if ($maxlen > 0 && mb_strlen($content) > $maxlen) {
1624 // Web interface and current Twitter API clients will
1625 // pull the original notice's text, but some older
1626 // clients and RSS/Atom feeds will see this trimmed text.
1628 // Unfortunately this is likely to lose tags or URLs
1629 // at the end of long notices.
1630 $content = mb_substr($content, 0, $maxlen - 4) . ' ...';
1633 // Scope is same as this one's
1635 return self::saveNew($repeater_id,
1638 array('repeat_of' => $this->id,
1639 'scope' => $this->scope));
1642 // These are supposed to be in chron order!
1644 function repeatStream($limit=100)
1646 $cache = Cache::instance();
1648 if (empty($cache)) {
1649 $ids = $this->_repeatStreamDirect($limit);
1651 $idstr = $cache->get(Cache::key('notice:repeats:'.$this->id));
1652 if ($idstr !== false) {
1653 $ids = explode(',', $idstr);
1655 $ids = $this->_repeatStreamDirect(100);
1656 $cache->set(Cache::key('notice:repeats:'.$this->id), implode(',', $ids));
1659 // We do a max of 100, so slice down to limit
1660 $ids = array_slice($ids, 0, $limit);
1664 return NoticeStream::getStreamByIds($ids);
1667 function _repeatStreamDirect($limit)
1669 $notice = new Notice();
1671 $notice->selectAdd(); // clears it
1672 $notice->selectAdd('id');
1674 $notice->repeat_of = $this->id;
1676 $notice->orderBy('created, id'); // NB: asc!
1678 if (!is_null($limit)) {
1679 $notice->limit(0, $limit);
1684 if ($notice->find()) {
1685 while ($notice->fetch()) {
1686 $ids[] = $notice->id;
1696 function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
1700 if (!empty($location_id) && !empty($location_ns)) {
1701 $options['location_id'] = $location_id;
1702 $options['location_ns'] = $location_ns;
1704 $location = Location::fromId($location_id, $location_ns);
1706 if (!empty($location)) {
1707 $options['lat'] = $location->lat;
1708 $options['lon'] = $location->lon;
1711 } else if (!empty($lat) && !empty($lon)) {
1712 $options['lat'] = $lat;
1713 $options['lon'] = $lon;
1715 $location = Location::fromLatLon($lat, $lon);
1717 if (!empty($location)) {
1718 $options['location_id'] = $location->location_id;
1719 $options['location_ns'] = $location->location_ns;
1721 } else if (!empty($profile)) {
1722 if (isset($profile->lat) && isset($profile->lon)) {
1723 $options['lat'] = $profile->lat;
1724 $options['lon'] = $profile->lon;
1727 if (isset($profile->location_id) && isset($profile->location_ns)) {
1728 $options['location_id'] = $profile->location_id;
1729 $options['location_ns'] = $profile->location_ns;
1736 function clearReplies()
1738 $replyNotice = new Notice();
1739 $replyNotice->reply_to = $this->id;
1741 //Null any notices that are replies to this notice
1743 if ($replyNotice->find()) {
1744 while ($replyNotice->fetch()) {
1745 $orig = clone($replyNotice);
1746 $replyNotice->reply_to = null;
1747 $replyNotice->update($orig);
1753 $reply = new Reply();
1754 $reply->notice_id = $this->id;
1756 if ($reply->find()) {
1757 while($reply->fetch()) {
1758 self::blow('reply:stream:%d', $reply->profile_id);
1766 function clearFiles()
1768 $f2p = new File_to_post();
1770 $f2p->post_id = $this->id;
1773 while ($f2p->fetch()) {
1777 // FIXME: decide whether to delete File objects
1778 // ...and related (actual) files
1781 function clearRepeats()
1783 $repeatNotice = new Notice();
1784 $repeatNotice->repeat_of = $this->id;
1786 //Null any notices that are repeats of this notice
1788 if ($repeatNotice->find()) {
1789 while ($repeatNotice->fetch()) {
1790 $orig = clone($repeatNotice);
1791 $repeatNotice->repeat_of = null;
1792 $repeatNotice->update($orig);
1797 function clearFaves()
1800 $fave->notice_id = $this->id;
1802 if ($fave->find()) {
1803 while ($fave->fetch()) {
1804 self::blow('fave:ids_by_user_own:%d', $fave->user_id);
1805 self::blow('fave:ids_by_user_own:%d;last', $fave->user_id);
1806 self::blow('fave:ids_by_user:%d', $fave->user_id);
1807 self::blow('fave:ids_by_user:%d;last', $fave->user_id);
1815 function clearTags()
1817 $tag = new Notice_tag();
1818 $tag->notice_id = $this->id;
1821 while ($tag->fetch()) {
1822 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, Cache::keyize($tag->tag));
1823 self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, Cache::keyize($tag->tag));
1824 self::blow('notice_tag:notice_ids:%s', Cache::keyize($tag->tag));
1825 self::blow('notice_tag:notice_ids:%s;last', Cache::keyize($tag->tag));
1833 function clearGroupInboxes()
1835 $gi = new Group_inbox();
1837 $gi->notice_id = $this->id;
1840 while ($gi->fetch()) {
1841 self::blow('user_group:notice_ids:%d', $gi->group_id);
1849 function distribute()
1851 // We always insert for the author so they don't
1853 Event::handle('StartNoticeDistribute', array($this));
1855 $user = User::staticGet('id', $this->profile_id);
1856 if (!empty($user)) {
1857 Inbox::insertNotice($user->id, $this->id);
1860 if (common_config('queue', 'inboxes')) {
1861 // If there's a failure, we want to _force_
1862 // distribution at this point.
1864 $qm = QueueManager::get();
1865 $qm->enqueue($this, 'distrib');
1866 } catch (Exception $e) {
1867 // If the exception isn't transient, this
1868 // may throw more exceptions as DQH does
1869 // its own enqueueing. So, we ignore them!
1871 $handler = new DistribQueueHandler();
1872 $handler->handle($this);
1873 } catch (Exception $e) {
1874 common_log(LOG_ERR, "emergency redistribution resulted in " . $e->getMessage());
1876 // Re-throw so somebody smarter can handle it.
1880 $handler = new DistribQueueHandler();
1881 $handler->handle($this);
1887 $result = parent::insert();
1890 // Profile::hasRepeated() abuses pkeyGet(), so we
1891 // have to clear manually
1892 if (!empty($this->repeat_of)) {
1893 $c = self::memcache();
1895 $ck = self::multicacheKey('Notice',
1896 array('profile_id' => $this->profile_id,
1897 'repeat_of' => $this->repeat_of));
1907 * Get the source of the notice
1909 * @return Notice_source $ns A notice source object. 'code' is the only attribute
1910 * guaranteed to be populated.
1912 function getSource()
1914 $ns = new Notice_source();
1915 if (!empty($this->source)) {
1916 switch ($this->source) {
1923 $ns->code = $this->source;
1926 $ns = Notice_source::staticGet($this->source);
1928 $ns = new Notice_source();
1929 $ns->code = $this->source;
1930 $app = Oauth_application::staticGet('name', $this->source);
1932 $ns->name = $app->name;
1933 $ns->url = $app->source_url;
1943 * Determine whether the notice was locally created
1945 * @return boolean locality
1948 public function isLocal()
1950 return ($this->is_local == Notice::LOCAL_PUBLIC ||
1951 $this->is_local == Notice::LOCAL_NONPUBLIC);
1955 * Get the list of hash tags saved with this notice.
1957 * @return array of strings
1959 public function getTags()
1962 $tag = new Notice_tag();
1963 $tag->notice_id = $this->id;
1965 while ($tag->fetch()) {
1966 $tags[] = $tag->tag;
1973 static private function utcDate($dt)
1975 $dateStr = date('d F Y H:i:s', strtotime($dt));
1976 $d = new DateTime($dateStr, new DateTimeZone('UTC'));
1977 return $d->format(DATE_W3C);
1981 * Look up the creation timestamp for a given notice ID, even
1982 * if it's been deleted.
1985 * @return mixed string recorded creation timestamp, or false if can't be found
1987 public static function getAsTimestamp($id)
1993 $notice = Notice::staticGet('id', $id);
1995 return $notice->created;
1998 $deleted = Deleted_notice::staticGet('id', $id);
2000 return $deleted->created;
2007 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2008 * parameter, matching notices posted after the given one (exclusive).
2010 * If the referenced notice can't be found, will return false.
2013 * @param string $idField
2014 * @param string $createdField
2015 * @return mixed string or false if no match
2017 public static function whereSinceId($id, $idField='id', $createdField='created')
2019 $since = Notice::getAsTimestamp($id);
2021 return sprintf("($createdField = '%s' and $idField > %d) or ($createdField > '%s')", $since, $id, $since);
2027 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2028 * parameter, matching notices posted after the given one (exclusive), and
2029 * if necessary add it to the data object's query.
2031 * @param DB_DataObject $obj
2033 * @param string $idField
2034 * @param string $createdField
2035 * @return mixed string or false if no match
2037 public static function addWhereSinceId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2039 $since = self::whereSinceId($id, $idField, $createdField);
2041 $obj->whereAdd($since);
2046 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2047 * parameter, matching notices posted before the given one (inclusive).
2049 * If the referenced notice can't be found, will return false.
2052 * @param string $idField
2053 * @param string $createdField
2054 * @return mixed string or false if no match
2056 public static function whereMaxId($id, $idField='id', $createdField='created')
2058 $max = Notice::getAsTimestamp($id);
2060 return sprintf("($createdField < '%s') or ($createdField = '%s' and $idField <= %d)", $max, $max, $id);
2066 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2067 * parameter, matching notices posted before the given one (inclusive), and
2068 * if necessary add it to the data object's query.
2070 * @param DB_DataObject $obj
2072 * @param string $idField
2073 * @param string $createdField
2074 * @return mixed string or false if no match
2076 public static function addWhereMaxId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2078 $max = self::whereMaxId($id, $idField, $createdField);
2080 $obj->whereAdd($max);
2086 if (common_config('public', 'localonly')) {
2087 return ($this->is_local == Notice::LOCAL_PUBLIC);
2089 return (($this->is_local != Notice::LOCAL_NONPUBLIC) &&
2090 ($this->is_local != Notice::GATEWAY));
2095 * Check that the given profile is allowed to read, respond to, or otherwise
2096 * act on this notice.
2098 * The $scope member is a bitmask of scopes, representing a logical AND of the
2099 * scope requirement. So, 0x03 (Notice::ADDRESSEE_SCOPE | Notice::SITE_SCOPE) means
2100 * "only visible to people who are mentioned in the notice AND are users on this site."
2101 * Users on the site who are not mentioned in the notice will not be able to see the
2104 * @param Profile $profile The profile to check; pass null to check for public/unauthenticated users.
2106 * @return boolean whether the profile is in the notice's scope
2108 function inScope($profile)
2110 // If there's no scope, anyone (even anon) is in scope.
2112 if ($this->scope == 0) {
2116 // If there's scope, anon cannot be in scope
2118 if (empty($profile)) {
2122 // Author is always in scope
2124 if ($this->profile_id == $profile->id) {
2128 // Only for users on this site
2130 if ($this->scope & Notice::SITE_SCOPE) {
2131 $user = $profile->getUser();
2137 // Only for users mentioned in the notice
2139 if ($this->scope & Notice::ADDRESSEE_SCOPE) {
2141 // XXX: just query for the single reply
2143 $replies = $this->getReplies();
2145 if (!in_array($profile->id, $replies)) {
2150 // Only for members of the given group
2152 if ($this->scope & Notice::GROUP_SCOPE) {
2154 // XXX: just query for the single membership
2156 $groups = $this->getGroups();
2160 foreach ($groups as $group) {
2161 if ($profile->isMember($group)) {
2172 // Only for followers of the author
2174 if ($this->scope & Notice::FOLLOWER_SCOPE) {
2175 $author = $this->getProfile();
2176 if (!Subscription::exists($profile, $author)) {