3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * @author Brenda Wallace <shiny@cpan.org>
22 * @author Christopher Vollick <psycotica0@gmail.com>
23 * @author CiaranG <ciaran@ciarang.com>
24 * @author Craig Andrews <candrews@integralblue.com>
25 * @author Evan Prodromou <evan@controlezvous.ca>
26 * @author Gina Haeussge <osd@foosel.net>
27 * @author Jeffery To <jeffery.to@gmail.com>
28 * @author Mike Cochrane <mikec@mikenz.geek.nz>
29 * @author Robin Millette <millette@controlyourself.ca>
30 * @author Sarven Capadisli <csarven@controlyourself.ca>
31 * @author Tom Adams <tom@holizz.com>
32 * @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
33 * @license GNU Affero General Public License http://www.gnu.org/licenses/
36 if (!defined('STATUSNET') && !defined('LACONICA')) {
41 * Table Definition for notice
43 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
45 /* We keep 200 notices, the max number of notices available per API request,
46 * in the memcached cache. */
48 define('NOTICE_CACHE_WINDOW', 200);
50 define('MAX_BOXCARS', 128);
52 class Notice extends Memcached_DataObject
55 /* the code below is auto generated do not remove the above tag */
57 public $__table = 'notice'; // table name
58 public $id; // int(4) primary_key not_null
59 public $profile_id; // int(4) multiple_key not_null
60 public $uri; // varchar(255) unique_key
61 public $content; // text
62 public $rendered; // text
63 public $url; // varchar(255)
64 public $created; // datetime multiple_key not_null default_0000-00-00%2000%3A00%3A00
65 public $modified; // timestamp not_null default_CURRENT_TIMESTAMP
66 public $reply_to; // int(4)
67 public $is_local; // int(4)
68 public $source; // varchar(32)
69 public $conversation; // int(4)
70 public $lat; // decimal(10,7)
71 public $lon; // decimal(10,7)
72 public $location_id; // int(4)
73 public $location_ns; // int(4)
74 public $repeat_of; // int(4)
75 public $object_type; // varchar(255)
78 function staticGet($k,$v=NULL)
80 return Memcached_DataObject::staticGet('Notice',$k,$v);
83 /* the code above is auto generated do not remove the tag below */
87 const LOCAL_PUBLIC = 1;
89 const LOCAL_NONPUBLIC = -1;
94 $profile = Profile::staticGet('id', $this->profile_id);
96 if (empty($profile)) {
97 // TRANS: Server exception thrown when a user profile for a notice cannot be found.
98 // TRANS: %1$d is a profile ID (number), %2$d is a notice ID (number).
99 throw new ServerException(sprintf(_('No such profile (%1$d) for notice (%2$d).'), $this->profile_id, $this->id));
107 // For auditing purposes, save a record that the notice
110 // @fixme we have some cases where things get re-run and so the
112 $deleted = Deleted_notice::staticGet('id', $this->id);
115 $deleted = Deleted_notice::staticGet('uri', $this->uri);
119 $deleted = new Deleted_notice();
121 $deleted->id = $this->id;
122 $deleted->profile_id = $this->profile_id;
123 $deleted->uri = $this->uri;
124 $deleted->created = $this->created;
125 $deleted->deleted = common_sql_now();
130 if (Event::handle('NoticeDeleteRelated', array($this))) {
132 // Clear related records
134 $this->clearReplies();
135 $this->clearRepeats();
138 $this->clearGroupInboxes();
141 // NOTE: we don't clear inboxes
142 // NOTE: we don't clear queue items
145 $result = parent::delete();
147 $this->blowOnDelete();
152 * Extract #hashtags from this notice's content and save them to the database.
156 /* extract all #hastags */
157 $count = preg_match_all('/(?:^|\s)#([\pL\pN_\-\.]{1,64})/u', strtolower($this->content), $match);
162 /* Add them to the database */
163 return $this->saveKnownTags($match[1]);
167 * Record the given set of hash tags in the db for this notice.
168 * Given tag strings will be normalized and checked for dupes.
170 function saveKnownTags($hashtags)
172 //turn each into their canonical tag
173 //this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
174 for($i=0; $i<count($hashtags); $i++) {
175 /* elide characters we don't want in the tag */
176 $hashtags[$i] = common_canonical_tag($hashtags[$i]);
179 foreach(array_unique($hashtags) as $hashtag) {
180 $this->saveTag($hashtag);
181 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, $hashtag);
187 * Record a single hash tag as associated with this notice.
188 * Tag format and uniqueness must be validated by caller.
190 function saveTag($hashtag)
192 $tag = new Notice_tag();
193 $tag->notice_id = $this->id;
194 $tag->tag = $hashtag;
195 $tag->created = $this->created;
196 $id = $tag->insert();
199 // TRANS: Server exception. %s are the error details.
200 throw new ServerException(sprintf(_('Database error inserting hashtag: %s'),
201 $last_error->message));
205 // if it's saved, blow its cache
206 $tag->blowCache(false);
210 * Save a new notice and push it out to subscribers' inboxes.
211 * Poster's permissions are checked before sending.
213 * @param int $profile_id Profile ID of the poster
214 * @param string $content source message text; links may be shortened
215 * per current user's preference
216 * @param string $source source key ('web', 'api', etc)
217 * @param array $options Associative array of optional properties:
218 * string 'created' timestamp of notice; defaults to now
219 * int 'is_local' source/gateway ID, one of:
220 * Notice::LOCAL_PUBLIC - Local, ok to appear in public timeline
221 * Notice::REMOTE_OMB - Sent from a remote OMB service;
222 * hide from public timeline but show in
223 * local "and friends" timelines
224 * Notice::LOCAL_NONPUBLIC - Local, but hide from public timeline
225 * Notice::GATEWAY - From another non-OMB service;
226 * will not appear in public views
227 * float 'lat' decimal latitude for geolocation
228 * float 'lon' decimal longitude for geolocation
229 * int 'location_id' geoname identifier
230 * int 'location_ns' geoname namespace to interpret location_id
231 * int 'reply_to'; notice ID this is a reply to
232 * int 'repeat_of'; notice ID this is a repeat of
233 * string 'uri' unique ID for notice; defaults to local notice URL
234 * string 'url' permalink to notice; defaults to local notice URL
235 * string 'rendered' rendered HTML version of content
236 * array 'replies' list of profile URIs for reply delivery in
237 * place of extracting @-replies from content.
238 * array 'groups' list of group IDs to deliver to, in place of
239 * extracting ! tags from content
240 * array 'tags' list of hashtag strings to save with the notice
241 * in place of extracting # tags from content
242 * array 'urls' list of attached/referred URLs to save with the
243 * notice in place of extracting links from content
244 * boolean 'distribute' whether to distribute the notice, default true
245 * string 'object_type' URL of the associated object type (default ActivityObject::NOTE)
247 * @fixme tag override
250 * @throws ClientException
252 static function saveNew($profile_id, $content, $source, $options=null) {
253 $defaults = array('uri' => null,
257 'distribute' => true);
259 if (!empty($options)) {
260 $options = $options + $defaults;
266 if (!isset($is_local)) {
267 $is_local = Notice::LOCAL_PUBLIC;
270 $profile = Profile::staticGet('id', $profile_id);
271 $user = User::staticGet('id', $profile_id);
273 // Use the local user's shortening preferences, if applicable.
274 $final = $user->shortenLinks($content);
276 $final = common_shorten_links($content);
279 if (Notice::contentTooLong($final)) {
280 // TRANS: Client exception thrown if a notice contains too many characters.
281 throw new ClientException(_('Problem saving notice. Too long.'));
284 if (empty($profile)) {
285 // TRANS: Client exception thrown when trying to save a notice for an unknown user.
286 throw new ClientException(_('Problem saving notice. Unknown user.'));
289 if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
290 common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
291 // TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
292 throw new ClientException(_('Too many notices too fast; take a breather '.
293 'and post again in a few minutes.'));
296 if (common_config('site', 'dupelimit') > 0 && !Notice::checkDupes($profile_id, $final)) {
297 common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
298 // TRANS: Client exception thrown when a user tries to post too many duplicate notices in a given time frame.
299 throw new ClientException(_('Too many duplicate messages too quickly;'.
300 ' take a breather and post again in a few minutes.'));
303 if (!$profile->hasRight(Right::NEWNOTICE)) {
304 common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $profile->nickname);
306 // TRANS: Client exception thrown when a user tries to post while being banned.
307 throw new ClientException(_('You are banned from posting notices on this site.'), 403);
310 $notice = new Notice();
311 $notice->profile_id = $profile_id;
313 $autosource = common_config('public', 'autosource');
315 # Sandboxed are non-false, but not 1, either
317 if (!$profile->hasRight(Right::PUBLICNOTICE) ||
318 ($source && $autosource && in_array($source, $autosource))) {
319 $notice->is_local = Notice::LOCAL_NONPUBLIC;
321 $notice->is_local = $is_local;
324 if (!empty($created)) {
325 $notice->created = $created;
327 $notice->created = common_sql_now();
330 $notice->content = $final;
332 $notice->source = $source;
336 // Handle repeat case
338 if (isset($repeat_of)) {
339 $notice->repeat_of = $repeat_of;
341 $notice->reply_to = self::getReplyTo($reply_to, $profile_id, $source, $final);
344 if (!empty($notice->reply_to)) {
345 $reply = Notice::staticGet('id', $notice->reply_to);
346 $notice->conversation = $reply->conversation;
349 if (!empty($lat) && !empty($lon)) {
354 if (!empty($location_ns) && !empty($location_id)) {
355 $notice->location_id = $location_id;
356 $notice->location_ns = $location_ns;
359 if (!empty($rendered)) {
360 $notice->rendered = $rendered;
362 $notice->rendered = common_render_content($final, $notice);
365 if (empty($object_type)) {
366 $notice->object_type = (empty($notice->reply_to)) ? ActivityObject::NOTE : ActivityObject::COMMENT;
368 $notice->object_type = $object_type;
371 if (Event::handle('StartNoticeSave', array(&$notice))) {
373 // XXX: some of these functions write to the DB
375 $id = $notice->insert();
378 common_log_db_error($notice, 'INSERT', __FILE__);
379 // TRANS: Server exception thrown when a notice cannot be saved.
380 throw new ServerException(_('Problem saving notice.'));
383 // Update ID-dependent columns: URI, conversation
385 $orig = clone($notice);
390 $notice->uri = common_notice_uri($notice);
394 // If it's not part of a conversation, it's
395 // the beginning of a new conversation.
397 if (empty($notice->conversation)) {
398 $conv = Conversation::create();
399 $notice->conversation = $conv->id;
404 if (!$notice->update($orig)) {
405 common_log_db_error($notice, 'UPDATE', __FILE__);
406 // TRANS: Server exception thrown when a notice cannot be updated.
407 throw new ServerException(_('Problem saving notice.'));
413 # Clear the cache for subscribed users, so they'll update at next request
414 # XXX: someone clever could prepend instead of clearing the cache
416 $notice->blowOnInsert();
418 // Save per-notice metadata...
420 if (isset($replies)) {
421 $notice->saveKnownReplies($replies);
423 $notice->saveReplies();
427 $notice->saveKnownTags($tags);
432 // Note: groups may save tags, so must be run after tags are saved
433 // to avoid errors on duplicates.
434 if (isset($groups)) {
435 $notice->saveKnownGroups($groups);
437 $notice->saveGroups();
441 $notice->saveKnownUrls($urls);
447 // Prepare inbox delivery, may be queued to background.
448 $notice->distribute();
454 function blowOnInsert($conversation = false)
456 self::blow('profile:notice_ids:%d', $this->profile_id);
458 if ($this->isPublic()) {
459 self::blow('public');
462 // XXX: Before we were blowing the casche only if the notice id
463 // was not the root of the conversation. What to do now?
465 self::blow('notice:conversation_ids:%d', $this->conversation);
467 if (!empty($this->reply_to)) {
468 self::blow('notice:responses:%d', $this->reply_to);
471 if (!empty($this->repeat_of)) {
472 self::blow('notice:repeats:%d', $this->repeat_of);
475 $original = Notice::staticGet('id', $this->repeat_of);
477 if (!empty($original)) {
478 $originalUser = User::staticGet('id', $original->profile_id);
479 if (!empty($originalUser)) {
480 self::blow('user:repeats_of_me:%d', $originalUser->id);
484 $profile = Profile::staticGet($this->profile_id);
485 if (!empty($profile)) {
486 $profile->blowNoticeCount();
491 * Clear cache entries related to this notice at delete time.
492 * Necessary to avoid breaking paging on public, profile timelines.
494 function blowOnDelete()
496 $this->blowOnInsert();
498 self::blow('profile:notice_ids:%d;last', $this->profile_id);
499 self::blow('notice:responses:%d', $this->id);
501 if ($this->isPublic()) {
502 self::blow('public;last');
506 /** save all urls in the notice to the db
508 * follow redirects and save all available file information
509 * (mimetype, date, size, oembed, etc.)
513 function saveUrls() {
514 if (common_config('attachments', 'process_links')) {
515 common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
520 * Save the given URLs as related links/attachments to the db
522 * follow redirects and save all available file information
523 * (mimetype, date, size, oembed, etc.)
527 function saveKnownUrls($urls)
529 if (common_config('attachments', 'process_links')) {
530 // @fixme validation?
531 foreach (array_unique($urls) as $url) {
532 File::processNew($url, $this->id);
540 function saveUrl($url, $notice_id) {
541 File::processNew($url, $notice_id);
544 static function checkDupes($profile_id, $content) {
545 $profile = Profile::staticGet($profile_id);
546 if (empty($profile)) {
549 $notice = $profile->getNotices(0, NOTICE_CACHE_WINDOW);
550 if (!empty($notice)) {
552 while ($notice->fetch()) {
553 if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
555 } else if ($notice->content == $content) {
560 # If we get here, oldest item in cache window is not
561 # old enough for dupe limit; do direct check against DB
562 $notice = new Notice();
563 $notice->profile_id = $profile_id;
564 $notice->content = $content;
565 $threshold = common_sql_date(time() - common_config('site', 'dupelimit'));
566 $notice->whereAdd(sprintf("created > '%s'", $notice->escape($threshold)));
568 $cnt = $notice->count();
572 static function checkEditThrottle($profile_id) {
573 $profile = Profile::staticGet($profile_id);
574 if (empty($profile)) {
578 $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
579 if ($notice && $notice->fetch()) {
580 # If the Nth notice was posted less than timespan seconds ago
581 if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
586 # Either not N notices in the stream, OR the Nth was not posted within timespan seconds
590 function getUploadedAttachment() {
592 $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"';
593 $post->query($query);
595 if (empty($post->up) || empty($post->i)) {
598 $ret = array($post->up, $post->i);
604 function hasAttachments() {
606 $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);
607 $post->query($query);
609 $n_attachments = intval($post->n_attachments);
611 return $n_attachments;
614 function attachments() {
617 $f2p = new File_to_post;
618 $f2p->post_id = $this->id;
620 while ($f2p->fetch()) {
621 $f = File::staticGet($f2p->file_id);
630 function getStreamByIds($ids)
632 $cache = Cache::instance();
634 if (!empty($cache)) {
636 foreach ($ids as $id) {
637 $n = Notice::staticGet('id', $id);
642 return new ArrayWrapper($notices);
644 $notice = new Notice();
646 //if no IDs requested, just return the notice object
649 $notice->whereAdd('id in (' . implode(', ', $ids) . ')');
655 while ($notice->fetch()) {
656 $temp[$notice->id] = clone($notice);
661 foreach ($ids as $id) {
662 if (array_key_exists($id, $temp)) {
663 $wrapped[] = $temp[$id];
667 return new ArrayWrapper($wrapped);
671 function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
673 $ids = Notice::stream(array('Notice', '_publicStreamDirect'),
676 $offset, $limit, $since_id, $max_id);
677 return Notice::getStreamByIds($ids);
680 function _publicStreamDirect($offset=0, $limit=20, $since_id=0, $max_id=0)
682 $notice = new Notice();
684 $notice->selectAdd(); // clears it
685 $notice->selectAdd('id');
687 $notice->orderBy('created DESC, id DESC');
689 if (!is_null($offset)) {
690 $notice->limit($offset, $limit);
693 if (common_config('public', 'localonly')) {
694 $notice->whereAdd('is_local = ' . Notice::LOCAL_PUBLIC);
696 # -1 == blacklisted, -2 == gateway (i.e. Twitter)
697 $notice->whereAdd('is_local !='. Notice::LOCAL_NONPUBLIC);
698 $notice->whereAdd('is_local !='. Notice::GATEWAY);
701 Notice::addWhereSinceId($notice, $since_id);
702 Notice::addWhereMaxId($notice, $max_id);
706 if ($notice->find()) {
707 while ($notice->fetch()) {
708 $ids[] = $notice->id;
718 function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
720 $ids = Notice::stream(array('Notice', '_conversationStreamDirect'),
722 'notice:conversation_ids:'.$id,
723 $offset, $limit, $since_id, $max_id);
725 return Notice::getStreamByIds($ids);
728 function _conversationStreamDirect($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
730 $notice = new Notice();
732 $notice->selectAdd(); // clears it
733 $notice->selectAdd('id');
735 $notice->conversation = $id;
737 $notice->orderBy('created DESC, id DESC');
739 if (!is_null($offset)) {
740 $notice->limit($offset, $limit);
743 Notice::addWhereSinceId($notice, $since_id);
744 Notice::addWhereMaxId($notice, $max_id);
748 if ($notice->find()) {
749 while ($notice->fetch()) {
750 $ids[] = $notice->id;
761 * Is this notice part of an active conversation?
763 * @return boolean true if other messages exist in the same
764 * conversation, false if this is the only one
766 function hasConversation()
768 if (!empty($this->conversation)) {
769 $conversation = Notice::conversationStream(
775 if ($conversation->N > 0) {
783 * Pull up a full list of local recipients who will be getting
784 * this notice in their inbox. Results will be cached, so don't
785 * change the input data wily-nilly!
787 * @param array $groups optional list of Group objects;
788 * if left empty, will be loaded from group_inbox records
789 * @param array $recipient optional list of reply profile ids
790 * if left empty, will be loaded from reply records
791 * @return array associating recipient user IDs with an inbox source constant
793 function whoGets($groups=null, $recipients=null)
795 $c = self::memcache();
798 $ni = $c->get(Cache::key('notice:who_gets:'.$this->id));
804 if (is_null($groups)) {
805 $groups = $this->getGroups();
808 if (is_null($recipients)) {
809 $recipients = $this->getReplies();
812 $users = $this->getSubscribedUsers();
814 // FIXME: kind of ignoring 'transitional'...
815 // we'll probably stop supporting inboxless mode
820 foreach ($users as $id) {
821 $ni[$id] = NOTICE_INBOX_SOURCE_SUB;
824 foreach ($groups as $group) {
825 $users = $group->getUserMembers();
826 foreach ($users as $id) {
827 if (!array_key_exists($id, $ni)) {
828 $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
833 foreach ($recipients as $recipient) {
834 if (!array_key_exists($recipient, $ni)) {
835 $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
839 // Exclude any deleted, non-local, or blocking recipients.
840 $profile = $this->getProfile();
841 $originalProfile = null;
842 if ($this->repeat_of) {
843 // Check blocks against the original notice's poster as well.
844 $original = Notice::staticGet('id', $this->repeat_of);
846 $originalProfile = $original->getProfile();
849 foreach ($ni as $id => $source) {
850 $user = User::staticGet('id', $id);
851 if (empty($user) || $user->hasBlocked($profile) ||
852 ($originalProfile && $user->hasBlocked($originalProfile))) {
858 // XXX: pack this data better
859 $c->set(Cache::key('notice:who_gets:'.$this->id), $ni);
866 * Adds this notice to the inboxes of each local user who should receive
867 * it, based on author subscriptions, group memberships, and @-replies.
869 * Warning: running a second time currently will make items appear
870 * multiple times in users' inboxes.
872 * @fixme make more robust against errors
873 * @fixme break up massive deliveries to smaller background tasks
875 * @param array $groups optional list of Group objects;
876 * if left empty, will be loaded from group_inbox records
877 * @param array $recipient optional list of reply profile ids
878 * if left empty, will be loaded from reply records
880 function addToInboxes($groups=null, $recipients=null)
882 $ni = $this->whoGets($groups, $recipients);
884 $ids = array_keys($ni);
886 // We remove the author (if they're a local user),
887 // since we'll have already done this in distribute()
889 $i = array_search($this->profile_id, $ids);
897 Inbox::bulkInsert($this->id, $ids);
902 function getSubscribedUsers()
906 if(common_config('db','quote_identifiers'))
907 $user_table = '"user"';
908 else $user_table = 'user';
912 'FROM '. $user_table .' JOIN subscription '.
913 'ON '. $user_table .'.id = subscription.subscriber ' .
914 'WHERE subscription.subscribed = %d ';
916 $user->query(sprintf($qry, $this->profile_id));
920 while ($user->fetch()) {
930 * Record this notice to the given group inboxes for delivery.
931 * Overrides the regular parsing of !group markup.
933 * @param string $group_ids
934 * @fixme might prefer URIs as identifiers, as for replies?
935 * best with generalizations on user_group to support
936 * remote groups better.
938 function saveKnownGroups($group_ids)
940 if (!is_array($group_ids)) {
941 // TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
942 throw new ServerException(_('Bad type provided to saveKnownGroups.'));
946 foreach (array_unique($group_ids) as $id) {
947 $group = User_group::staticGet('id', $id);
949 common_log(LOG_ERR, "Local delivery to group id $id, $group->nickname");
950 $result = $this->addToGroupInbox($group);
952 common_log_db_error($gi, 'INSERT', __FILE__);
955 // @fixme should we save the tags here or not?
956 $groups[] = clone($group);
958 common_log(LOG_ERR, "Local delivery to group id $id skipped, doesn't exist");
966 * Parse !group delivery and record targets into group_inbox.
967 * @return array of Group objects
969 function saveGroups()
971 // Don't save groups for repeats
973 if (!empty($this->repeat_of)) {
979 /* extract all !group */
980 $count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
981 strtolower($this->content),
987 $profile = $this->getProfile();
989 /* Add them to the database */
991 foreach (array_unique($match[1]) as $nickname) {
992 /* XXX: remote groups. */
993 $group = User_group::getForNickname($nickname, $profile);
999 // we automatically add a tag for every group name, too
1001 $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($nickname),
1002 'notice_id' => $this->id));
1004 if (is_null($tag)) {
1005 $this->saveTag($nickname);
1008 if ($profile->isMember($group)) {
1010 $result = $this->addToGroupInbox($group);
1013 common_log_db_error($gi, 'INSERT', __FILE__);
1016 $groups[] = clone($group);
1023 function addToGroupInbox($group)
1025 $gi = Group_inbox::pkeyGet(array('group_id' => $group->id,
1026 'notice_id' => $this->id));
1030 $gi = new Group_inbox();
1032 $gi->group_id = $group->id;
1033 $gi->notice_id = $this->id;
1034 $gi->created = $this->created;
1036 $result = $gi->insert();
1039 common_log_db_error($gi, 'INSERT', __FILE__);
1040 // TRANS: Server exception thrown when an update for a group inbox fails.
1041 throw new ServerException(_('Problem saving group inbox.'));
1044 self::blow('user_group:notice_ids:%d', $gi->group_id);
1051 * Save reply records indicating that this notice needs to be
1052 * delivered to the local users with the given URIs.
1054 * Since this is expected to be used when saving foreign-sourced
1055 * messages, we won't deliver to any remote targets as that's the
1056 * source service's responsibility.
1058 * Mail notifications etc will be handled later.
1060 * @param array of unique identifier URIs for recipients
1062 function saveKnownReplies($uris)
1068 $sender = Profile::staticGet($this->profile_id);
1070 foreach (array_unique($uris) as $uri) {
1072 $profile = Profile::fromURI($uri);
1074 if (empty($profile)) {
1075 common_log(LOG_WARNING, "Unable to determine profile for URI '$uri'");
1079 if ($profile->hasBlocked($sender)) {
1080 common_log(LOG_INFO, "Not saving reply to profile {$profile->id} ($uri) from sender {$sender->id} because of a block.");
1084 $reply = new Reply();
1086 $reply->notice_id = $this->id;
1087 $reply->profile_id = $profile->id;
1088 $reply->modified = $this->created;
1090 common_log(LOG_INFO, __METHOD__ . ": saving reply: notice $this->id to profile $profile->id");
1092 $id = $reply->insert();
1099 * Pull @-replies from this message's content in StatusNet markup format
1100 * and save reply records indicating that this message needs to be
1101 * delivered to those users.
1103 * Mail notifications to local profiles will be sent later.
1105 * @return array of integer profile IDs
1108 function saveReplies()
1110 // Don't save reply data for repeats
1112 if (!empty($this->repeat_of)) {
1116 $sender = Profile::staticGet($this->profile_id);
1118 // @todo ideally this parser information would only
1119 // be calculated once.
1121 $mentions = common_find_mentions($this->content, $this);
1125 // store replied only for first @ (what user/notice what the reply directed,
1126 // we assume first @ is it)
1128 foreach ($mentions as $mention) {
1130 foreach ($mention['mentioned'] as $mentioned) {
1132 // skip if they're already covered
1134 if (!empty($replied[$mentioned->id])) {
1138 // Don't save replies from blocked profile to local user
1140 $mentioned_user = User::staticGet('id', $mentioned->id);
1141 if (!empty($mentioned_user) && $mentioned_user->hasBlocked($sender)) {
1145 $reply = new Reply();
1147 $reply->notice_id = $this->id;
1148 $reply->profile_id = $mentioned->id;
1149 $reply->modified = $this->created;
1151 $id = $reply->insert();
1154 common_log_db_error($reply, 'INSERT', __FILE__);
1155 // TRANS: Server exception thrown when a reply cannot be saved.
1156 // TRANS: %1$d is a notice ID, %2$d is the ID of the mentioned user.
1157 throw new ServerException(sprintf(_('Could not save reply for %1$d, %2$d.'), $this->id, $mentioned->id));
1159 $replied[$mentioned->id] = 1;
1160 self::blow('reply:stream:%d', $mentioned->id);
1165 $recipientIds = array_keys($replied);
1167 return $recipientIds;
1171 * Pull the complete list of @-reply targets for this notice.
1173 * @return array of integer profile ids
1175 function getReplies()
1181 $reply = new Reply();
1182 $reply->selectAdd();
1183 $reply->selectAdd('profile_id');
1184 $reply->notice_id = $this->id;
1186 if ($reply->find()) {
1187 while($reply->fetch()) {
1188 $ids[] = $reply->profile_id;
1198 * Send e-mail notifications to local @-reply targets.
1200 * Replies must already have been saved; this is expected to be run
1201 * from the distrib queue handler.
1203 function sendReplyNotifications()
1205 // Don't send reply notifications for repeats
1207 if (!empty($this->repeat_of)) {
1211 $recipientIds = $this->getReplies();
1213 foreach ($recipientIds as $recipientId) {
1214 $user = User::staticGet('id', $recipientId);
1215 if (!empty($user)) {
1216 mail_notify_attn($user, $this);
1222 * Pull list of groups this notice needs to be delivered to,
1223 * as previously recorded by saveGroups() or saveKnownGroups().
1225 * @return array of Group objects
1227 function getGroups()
1229 // Don't save groups for repeats
1231 if (!empty($this->repeat_of)) {
1239 $gi = new Group_inbox();
1242 $gi->selectAdd('group_id');
1244 $gi->notice_id = $this->id;
1247 while ($gi->fetch()) {
1248 $group = User_group::staticGet('id', $gi->group_id);
1261 * Convert a notice into an activity for export.
1263 * @param User $cur Current user
1265 * @return Activity activity object representing this Notice.
1268 function asActivity($cur)
1270 $act = self::cacheGet(Cache::codeKey('notice:as-activity:'.$this->id));
1275 $act = new Activity();
1277 if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
1279 $profile = $this->getProfile();
1281 $act->actor = ActivityObject::fromProfile($profile);
1282 $act->actor->extra[] = $profile->profileInfo($cur);
1283 $act->verb = ActivityVerb::POST;
1284 $act->objects[] = ActivityObject::fromNotice($this);
1286 // XXX: should this be handled by default processing for object entry?
1288 $act->time = strtotime($this->created);
1289 $act->link = $this->bestUrl();
1291 $act->content = common_xml_safe_str($this->rendered);
1292 $act->id = $this->uri;
1293 $act->title = common_xml_safe_str($this->content);
1297 $tags = $this->getTags();
1299 foreach ($tags as $tag) {
1300 $cat = new AtomCategory();
1303 $act->categories[] = $cat;
1307 // XXX: use Atom Media and/or File activity objects instead
1309 $attachments = $this->attachments();
1311 foreach ($attachments as $attachment) {
1312 $enclosure = $attachment->getEnclosure();
1314 $act->enclosures[] = $enclosure;
1318 $ctx = new ActivityContext();
1320 if (!empty($this->reply_to)) {
1321 $reply = Notice::staticGet('id', $this->reply_to);
1322 if (!empty($reply)) {
1323 $ctx->replyToID = $reply->uri;
1324 $ctx->replyToUrl = $reply->bestUrl();
1328 $ctx->location = $this->getLocation();
1332 if (!empty($this->conversation)) {
1333 $conv = Conversation::staticGet('id', $this->conversation);
1334 if (!empty($conv)) {
1335 $ctx->conversation = $conv->uri;
1339 $reply_ids = $this->getReplies();
1341 foreach ($reply_ids as $id) {
1342 $profile = Profile::staticGet('id', $id);
1343 if (!empty($profile)) {
1344 $ctx->attention[] = $profile->getUri();
1348 $groups = $this->getGroups();
1350 foreach ($groups as $group) {
1351 $ctx->attention[] = $group->getUri();
1354 // XXX: deprecated; use ActivityVerb::SHARE instead
1358 if (!empty($this->repeat_of)) {
1359 $repeat = Notice::staticGet('id', $this->repeat_of);
1360 $ctx->forwardID = $repeat->uri;
1361 $ctx->forwardUrl = $repeat->bestUrl();
1364 $act->context = $ctx;
1368 $atom_feed = $profile->getAtomFeed();
1370 if (!empty($atom_feed)) {
1372 $act->source = new ActivitySource();
1374 // XXX: we should store the actual feed ID
1376 $act->source->id = $atom_feed;
1378 // XXX: we should store the actual feed title
1380 $act->source->title = $profile->getBestName();
1382 $act->source->links['alternate'] = $profile->profileurl;
1383 $act->source->links['self'] = $atom_feed;
1385 $act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
1387 $notice = $profile->getCurrentNotice();
1389 if (!empty($notice)) {
1390 $act->source->updated = self::utcDate($notice->created);
1393 $user = User::staticGet('id', $profile->id);
1395 if (!empty($user)) {
1396 $act->source->links['license'] = common_config('license', 'url');
1400 if ($this->isLocal()) {
1401 $act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id,
1402 'format' => 'atom'));
1403 $act->editLink = $act->selfLink;
1406 Event::handle('EndNoticeAsActivity', array($this, &$act));
1409 self::cacheSet(Cache::codeKey('notice:as-activity:'.$this->id), $act);
1414 // This has gotten way too long. Needs to be sliced up into functional bits
1415 // or ideally exported to a utility class.
1417 function asAtomEntry($namespace=false,
1422 $act = $this->asActivity($cur);
1423 $act->extra[] = $this->noticeInfo($cur);
1424 return $act->asString($namespace, $author, $source);
1428 * Extra notice info for atom entries
1430 * Clients use some extra notice info in the atom stream.
1431 * This gives it to them.
1433 * @param User $cur Current user
1435 * @return array representation of <statusnet:notice_info> element
1438 function noticeInfo($cur)
1440 // local notice ID (useful to clients for ordering)
1442 $noticeInfoAttr = array('local_id' => $this->id);
1446 $ns = $this->getSource();
1449 $noticeInfoAttr['source'] = $ns->code;
1450 if (!empty($ns->url)) {
1451 $noticeInfoAttr['source_link'] = $ns->url;
1452 if (!empty($ns->name)) {
1453 $noticeInfoAttr['source'] = '<a href="'
1454 . htmlspecialchars($ns->url)
1455 . '" rel="nofollow">'
1456 . htmlspecialchars($ns->name)
1462 // favorite and repeated
1465 $noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
1466 $cp = $cur->getProfile();
1467 $noticeInfoAttr['repeated'] = ($cp->hasRepeated($this->id)) ? "true" : "false";
1470 if (!empty($this->repeat_of)) {
1471 $noticeInfoAttr['repeat_of'] = $this->repeat_of;
1474 return array('statusnet:notice_info', $noticeInfoAttr, null);
1478 * Returns an XML string fragment with a reference to a notice as an
1479 * Activity Streams noun object with the given element type.
1481 * Assumes that 'activity' namespace has been previously defined.
1483 * @param string $element one of 'subject', 'object', 'target'
1487 function asActivityNoun($element)
1489 $noun = ActivityObject::fromNotice($this);
1490 return $noun->asString('activity:' . $element);
1495 if (!empty($this->url)) {
1497 } else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
1500 return common_local_url('shownotice',
1501 array('notice' => $this->id));
1505 function stream($fn, $args, $cachekey, $offset=0, $limit=20, $since_id=0, $max_id=0)
1507 $cache = Cache::instance();
1509 if (empty($cache) ||
1510 $since_id != 0 || $max_id != 0 ||
1512 ($offset + $limit) > NOTICE_CACHE_WINDOW) {
1513 return call_user_func_array($fn, array_merge($args, array($offset, $limit, $since_id,
1517 $idkey = Cache::key($cachekey);
1519 $idstr = $cache->get($idkey);
1521 if ($idstr !== false) {
1522 // Cache hit! Woohoo!
1523 $window = explode(',', $idstr);
1524 $ids = array_slice($window, $offset, $limit);
1528 $laststr = $cache->get($idkey.';last');
1530 if ($laststr !== false) {
1531 $window = explode(',', $laststr);
1532 $last_id = $window[0];
1533 $new_ids = call_user_func_array($fn, array_merge($args, array(0, NOTICE_CACHE_WINDOW,
1534 $last_id, 0, null)));
1536 $new_window = array_merge($new_ids, $window);
1538 $new_windowstr = implode(',', $new_window);
1540 $result = $cache->set($idkey, $new_windowstr);
1541 $result = $cache->set($idkey . ';last', $new_windowstr);
1543 $ids = array_slice($new_window, $offset, $limit);
1548 $window = call_user_func_array($fn, array_merge($args, array(0, NOTICE_CACHE_WINDOW,
1551 $windowstr = implode(',', $window);
1553 $result = $cache->set($idkey, $windowstr);
1554 $result = $cache->set($idkey . ';last', $windowstr);
1556 $ids = array_slice($window, $offset, $limit);
1562 * Determine which notice, if any, a new notice is in reply to.
1564 * For conversation tracking, we try to see where this notice fits
1565 * in the tree. Rough algorithm is:
1567 * if (reply_to is set and valid) {
1569 * } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
1570 * return ID of last notice by initial @name in content;
1573 * Note that all @nickname instances will still be used to save "reply" records,
1574 * so the notice shows up in the mentioned users' "replies" tab.
1576 * @param integer $reply_to ID passed in by Web or API
1577 * @param integer $profile_id ID of author
1578 * @param string $source Source tag, like 'web' or 'gwibber'
1579 * @param string $content Final notice content
1581 * @return integer ID of replied-to notice, or null for not a reply.
1584 static function getReplyTo($reply_to, $profile_id, $source, $content)
1586 static $lb = array('xmpp', 'mail', 'sms', 'omb');
1588 // If $reply_to is specified, we check that it exists, and then
1589 // return it if it does
1591 if (!empty($reply_to)) {
1592 $reply_notice = Notice::staticGet('id', $reply_to);
1593 if (!empty($reply_notice)) {
1598 // If it's not a "low bandwidth" source (one where you can't set
1599 // a reply_to argument), we return. This is mostly web and API
1602 if (!in_array($source, $lb)) {
1606 // Is there an initial @ or T?
1608 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
1609 preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
1610 $nickname = common_canonical_nickname($match[1]);
1615 // Figure out who that is.
1617 $sender = Profile::staticGet('id', $profile_id);
1618 if (empty($sender)) {
1622 $recipient = common_relative_profile($sender, $nickname, common_sql_now());
1624 if (empty($recipient)) {
1628 // Get their last notice
1630 $last = $recipient->getCurrentNotice();
1632 if (!empty($last)) {
1637 static function maxContent()
1639 $contentlimit = common_config('notice', 'contentlimit');
1640 // null => use global limit (distinct from 0!)
1641 if (is_null($contentlimit)) {
1642 $contentlimit = common_config('site', 'textlimit');
1644 return $contentlimit;
1647 static function contentTooLong($content)
1649 $contentlimit = self::maxContent();
1650 return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
1653 function getLocation()
1657 if (!empty($this->location_id) && !empty($this->location_ns)) {
1658 $location = Location::fromId($this->location_id, $this->location_ns);
1661 if (is_null($location)) { // no ID, or Location::fromId() failed
1662 if (!empty($this->lat) && !empty($this->lon)) {
1663 $location = Location::fromLatLon($this->lat, $this->lon);
1670 function repeat($repeater_id, $source)
1672 $author = Profile::staticGet('id', $this->profile_id);
1674 // TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
1675 // TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
1676 $content = sprintf(_('RT @%1$s %2$s'),
1680 $maxlen = common_config('site', 'textlimit');
1681 if ($maxlen > 0 && mb_strlen($content) > $maxlen) {
1682 // Web interface and current Twitter API clients will
1683 // pull the original notice's text, but some older
1684 // clients and RSS/Atom feeds will see this trimmed text.
1686 // Unfortunately this is likely to lose tags or URLs
1687 // at the end of long notices.
1688 $content = mb_substr($content, 0, $maxlen - 4) . ' ...';
1691 return self::saveNew($repeater_id, $content, $source,
1692 array('repeat_of' => $this->id));
1695 // These are supposed to be in chron order!
1697 function repeatStream($limit=100)
1699 $cache = Cache::instance();
1701 if (empty($cache)) {
1702 $ids = $this->_repeatStreamDirect($limit);
1704 $idstr = $cache->get(Cache::key('notice:repeats:'.$this->id));
1705 if ($idstr !== false) {
1706 $ids = explode(',', $idstr);
1708 $ids = $this->_repeatStreamDirect(100);
1709 $cache->set(Cache::key('notice:repeats:'.$this->id), implode(',', $ids));
1712 // We do a max of 100, so slice down to limit
1713 $ids = array_slice($ids, 0, $limit);
1717 return Notice::getStreamByIds($ids);
1720 function _repeatStreamDirect($limit)
1722 $notice = new Notice();
1724 $notice->selectAdd(); // clears it
1725 $notice->selectAdd('id');
1727 $notice->repeat_of = $this->id;
1729 $notice->orderBy('created, id'); // NB: asc!
1731 if (!is_null($limit)) {
1732 $notice->limit(0, $limit);
1737 if ($notice->find()) {
1738 while ($notice->fetch()) {
1739 $ids[] = $notice->id;
1749 function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
1753 if (!empty($location_id) && !empty($location_ns)) {
1754 $options['location_id'] = $location_id;
1755 $options['location_ns'] = $location_ns;
1757 $location = Location::fromId($location_id, $location_ns);
1759 if (!empty($location)) {
1760 $options['lat'] = $location->lat;
1761 $options['lon'] = $location->lon;
1764 } else if (!empty($lat) && !empty($lon)) {
1765 $options['lat'] = $lat;
1766 $options['lon'] = $lon;
1768 $location = Location::fromLatLon($lat, $lon);
1770 if (!empty($location)) {
1771 $options['location_id'] = $location->location_id;
1772 $options['location_ns'] = $location->location_ns;
1774 } else if (!empty($profile)) {
1775 if (isset($profile->lat) && isset($profile->lon)) {
1776 $options['lat'] = $profile->lat;
1777 $options['lon'] = $profile->lon;
1780 if (isset($profile->location_id) && isset($profile->location_ns)) {
1781 $options['location_id'] = $profile->location_id;
1782 $options['location_ns'] = $profile->location_ns;
1789 function clearReplies()
1791 $replyNotice = new Notice();
1792 $replyNotice->reply_to = $this->id;
1794 //Null any notices that are replies to this notice
1796 if ($replyNotice->find()) {
1797 while ($replyNotice->fetch()) {
1798 $orig = clone($replyNotice);
1799 $replyNotice->reply_to = null;
1800 $replyNotice->update($orig);
1806 $reply = new Reply();
1807 $reply->notice_id = $this->id;
1809 if ($reply->find()) {
1810 while($reply->fetch()) {
1811 self::blow('reply:stream:%d', $reply->profile_id);
1819 function clearFiles()
1821 $f2p = new File_to_post();
1823 $f2p->post_id = $this->id;
1826 while ($f2p->fetch()) {
1830 // FIXME: decide whether to delete File objects
1831 // ...and related (actual) files
1834 function clearRepeats()
1836 $repeatNotice = new Notice();
1837 $repeatNotice->repeat_of = $this->id;
1839 //Null any notices that are repeats of this notice
1841 if ($repeatNotice->find()) {
1842 while ($repeatNotice->fetch()) {
1843 $orig = clone($repeatNotice);
1844 $repeatNotice->repeat_of = null;
1845 $repeatNotice->update($orig);
1850 function clearFaves()
1853 $fave->notice_id = $this->id;
1855 if ($fave->find()) {
1856 while ($fave->fetch()) {
1857 self::blow('fave:ids_by_user_own:%d', $fave->user_id);
1858 self::blow('fave:ids_by_user_own:%d;last', $fave->user_id);
1859 self::blow('fave:ids_by_user:%d', $fave->user_id);
1860 self::blow('fave:ids_by_user:%d;last', $fave->user_id);
1868 function clearTags()
1870 $tag = new Notice_tag();
1871 $tag->notice_id = $this->id;
1874 while ($tag->fetch()) {
1875 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, Cache::keyize($tag->tag));
1876 self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, Cache::keyize($tag->tag));
1877 self::blow('notice_tag:notice_ids:%s', Cache::keyize($tag->tag));
1878 self::blow('notice_tag:notice_ids:%s;last', Cache::keyize($tag->tag));
1886 function clearGroupInboxes()
1888 $gi = new Group_inbox();
1890 $gi->notice_id = $this->id;
1893 while ($gi->fetch()) {
1894 self::blow('user_group:notice_ids:%d', $gi->group_id);
1902 function distribute()
1904 // We always insert for the author so they don't
1906 Event::handle('StartNoticeDistribute', array($this));
1908 $user = User::staticGet('id', $this->profile_id);
1909 if (!empty($user)) {
1910 Inbox::insertNotice($user->id, $this->id);
1913 if (common_config('queue', 'inboxes')) {
1914 // If there's a failure, we want to _force_
1915 // distribution at this point.
1917 $qm = QueueManager::get();
1918 $qm->enqueue($this, 'distrib');
1919 } catch (Exception $e) {
1920 // If the exception isn't transient, this
1921 // may throw more exceptions as DQH does
1922 // its own enqueueing. So, we ignore them!
1924 $handler = new DistribQueueHandler();
1925 $handler->handle($this);
1926 } catch (Exception $e) {
1927 common_log(LOG_ERR, "emergency redistribution resulted in " . $e->getMessage());
1929 // Re-throw so somebody smarter can handle it.
1933 $handler = new DistribQueueHandler();
1934 $handler->handle($this);
1940 $result = parent::insert();
1943 // Profile::hasRepeated() abuses pkeyGet(), so we
1944 // have to clear manually
1945 if (!empty($this->repeat_of)) {
1946 $c = self::memcache();
1948 $ck = self::multicacheKey('Notice',
1949 array('profile_id' => $this->profile_id,
1950 'repeat_of' => $this->repeat_of));
1960 * Get the source of the notice
1962 * @return Notice_source $ns A notice source object. 'code' is the only attribute
1963 * guaranteed to be populated.
1965 function getSource()
1967 $ns = new Notice_source();
1968 if (!empty($this->source)) {
1969 switch ($this->source) {
1976 $ns->code = $this->source;
1979 $ns = Notice_source::staticGet($this->source);
1981 $ns = new Notice_source();
1982 $ns->code = $this->source;
1983 $app = Oauth_application::staticGet('name', $this->source);
1985 $ns->name = $app->name;
1986 $ns->url = $app->source_url;
1996 * Determine whether the notice was locally created
1998 * @return boolean locality
2001 public function isLocal()
2003 return ($this->is_local == Notice::LOCAL_PUBLIC ||
2004 $this->is_local == Notice::LOCAL_NONPUBLIC);
2007 public function getTags()
2010 $tag = new Notice_tag();
2011 $tag->notice_id = $this->id;
2013 while ($tag->fetch()) {
2014 $tags[] = $tag->tag;
2021 static private function utcDate($dt)
2023 $dateStr = date('d F Y H:i:s', strtotime($dt));
2024 $d = new DateTime($dateStr, new DateTimeZone('UTC'));
2025 return $d->format(DATE_W3C);
2029 * Look up the creation timestamp for a given notice ID, even
2030 * if it's been deleted.
2033 * @return mixed string recorded creation timestamp, or false if can't be found
2035 public static function getAsTimestamp($id)
2041 $notice = Notice::staticGet('id', $id);
2043 return $notice->created;
2046 $deleted = Deleted_notice::staticGet('id', $id);
2048 return $deleted->created;
2055 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2056 * parameter, matching notices posted after the given one (exclusive).
2058 * If the referenced notice can't be found, will return false.
2061 * @param string $idField
2062 * @param string $createdField
2063 * @return mixed string or false if no match
2065 public static function whereSinceId($id, $idField='id', $createdField='created')
2067 $since = Notice::getAsTimestamp($id);
2069 return sprintf("($createdField = '%s' and $idField > %d) or ($createdField > '%s')", $since, $id, $since);
2075 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2076 * parameter, matching notices posted after the given one (exclusive), and
2077 * if necessary add it to the data object's query.
2079 * @param DB_DataObject $obj
2081 * @param string $idField
2082 * @param string $createdField
2083 * @return mixed string or false if no match
2085 public static function addWhereSinceId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2087 $since = self::whereSinceId($id, $idField, $createdField);
2089 $obj->whereAdd($since);
2094 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2095 * parameter, matching notices posted before the given one (inclusive).
2097 * If the referenced notice can't be found, will return false.
2100 * @param string $idField
2101 * @param string $createdField
2102 * @return mixed string or false if no match
2104 public static function whereMaxId($id, $idField='id', $createdField='created')
2106 $max = Notice::getAsTimestamp($id);
2108 return sprintf("($createdField < '%s') or ($createdField = '%s' and $idField <= %d)", $max, $max, $id);
2114 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2115 * parameter, matching notices posted before the given one (inclusive), and
2116 * if necessary add it to the data object's query.
2118 * @param DB_DataObject $obj
2120 * @param string $idField
2121 * @param string $createdField
2122 * @return mixed string or false if no match
2124 public static function addWhereMaxId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2126 $max = self::whereMaxId($id, $idField, $createdField);
2128 $obj->whereAdd($max);
2134 if (common_config('public', 'localonly')) {
2135 return ($this->is_local == Notice::LOCAL_PUBLIC);
2137 return (($this->is_local != Notice::LOCAL_NONPUBLIC) &&
2138 ($this->is_local != Notice::GATEWAY));
2142 function responseStream($offset=0, $limit=20, $since_id=0, $max_id=0)
2144 $ids = Notice::stream(array($this, '_responseStreamDirect'),
2146 'notice:responses:'.$id,
2147 $offset, $limit, $since_id, $max_id);
2149 return Notice::getStreamByIds($ids);
2152 function _responseStreamDirect($offset=0, $limit=20, $since_id=0, $max_id=0)
2154 $notice = new Notice();
2156 $notice->selectAdd(); // clears it
2157 $notice->selectAdd('id');
2159 $notice->reply_to = $this->reply_to;
2161 $notice->orderBy('created DESC, id DESC');
2163 if (!is_null($offset)) {
2164 $notice->limit($offset, $limit);
2167 Notice::addWhereSinceId($notice, $since_id);
2168 Notice::addWhereMaxId($notice, $max_id);
2172 if ($notice->find()) {
2173 while ($notice->fetch()) {
2174 $ids[] = $notice->id;