3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008-2011 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 Managed_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 $verb; // varchar(255)
76 public $object_type; // varchar(255)
77 public $scope; // int(4)
79 /* the code above is auto generated do not remove the tag below */
82 public static function schemaDef()
86 'id' => array('type' => 'serial', 'not null' => true, 'description' => 'unique identifier'),
87 'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'who made the update'),
88 'uri' => array('type' => 'varchar', 'length' => 255, 'description' => 'universally unique identifier, usually a tag URI'),
89 'content' => array('type' => 'text', 'description' => 'update content', 'collate' => 'utf8_general_ci'),
90 'rendered' => array('type' => 'text', 'description' => 'HTML version of the content'),
91 'url' => array('type' => 'varchar', 'length' => 255, 'description' => 'URL of any attachment (image, video, bookmark, whatever)'),
92 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
93 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
94 'reply_to' => array('type' => 'int', 'description' => 'notice replied to (usually a guess)'),
95 'is_local' => array('type' => 'int', 'size' => 'tiny', 'default' => 0, 'description' => 'notice was generated by a user'),
96 'source' => array('type' => 'varchar', 'length' => 32, 'description' => 'source of comment, like "web", "im", or "clientname"'),
97 'conversation' => array('type' => 'int', 'description' => 'id of root notice in this conversation'),
98 'lat' => array('type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'latitude'),
99 'lon' => array('type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'longitude'),
100 'location_id' => array('type' => 'int', 'description' => 'location id if possible'),
101 'location_ns' => array('type' => 'int', 'description' => 'namespace for location'),
102 'repeat_of' => array('type' => 'int', 'description' => 'notice this is a repeat of'),
103 'object_type' => array('type' => 'varchar', 'length' => 255, 'description' => 'URI representing activity streams object type', 'default' => 'http://activitystrea.ms/schema/1.0/note'),
104 'verb' => array('type' => 'varchar', 'length' => 255, 'description' => 'URI representing activity streams verb', 'default' => 'http://activitystrea.ms/schema/1.0/post'),
105 'scope' => array('type' => 'int',
106 'description' => 'bit map for distribution scope; 0 = everywhere; 1 = this server only; 2 = addressees; 4 = followers; null = default'),
108 'primary key' => array('id'),
109 'unique keys' => array(
110 'notice_uri_key' => array('uri'),
112 'foreign keys' => array(
113 'notice_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
114 'notice_reply_to_fkey' => array('notice', array('reply_to' => 'id')),
115 'notice_conversation_fkey' => array('conversation', array('conversation' => 'id')), # note... used to refer to notice.id
116 'notice_repeat_of_fkey' => array('notice', array('repeat_of' => 'id')), # @fixme: what about repeats of deleted notices?
119 'notice_created_id_is_local_idx' => array('created', 'id', 'is_local'),
120 'notice_profile_id_idx' => array('profile_id', 'created', 'id'),
121 'notice_repeat_of_created_id_idx' => array('repeat_of', 'created', 'id'),
122 'notice_conversation_created_id_idx' => array('conversation', 'created', 'id'),
123 'notice_replyto_idx' => array('reply_to')
127 if (common_config('search', 'type') == 'fulltext') {
128 $def['fulltext indexes'] = array('content' => array('content'));
135 const LOCAL_PUBLIC = 1;
137 const LOCAL_NONPUBLIC = -1;
140 const PUBLIC_SCOPE = 0; // Useful fake constant
141 const SITE_SCOPE = 1;
142 const ADDRESSEE_SCOPE = 2;
143 const GROUP_SCOPE = 4;
144 const FOLLOWER_SCOPE = 8;
146 protected $_profile = -1;
148 function getProfile()
150 if (is_int($this->_profile) && $this->_profile == -1) {
151 $this->_setProfile(Profile::getKV('id', $this->profile_id));
153 if (empty($this->_profile)) {
154 // TRANS: Server exception thrown when a user profile for a notice cannot be found.
155 // TRANS: %1$d is a profile ID (number), %2$d is a notice ID (number).
156 throw new ServerException(sprintf(_('No such profile (%1$d) for notice (%2$d).'), $this->profile_id, $this->id));
160 return $this->_profile;
163 function _setProfile($profile)
165 $this->_profile = $profile;
170 // For auditing purposes, save a record that the notice
173 // @fixme we have some cases where things get re-run and so the
175 $deleted = Deleted_notice::getKV('id', $this->id);
178 $deleted = Deleted_notice::getKV('uri', $this->uri);
182 $deleted = new Deleted_notice();
184 $deleted->id = $this->id;
185 $deleted->profile_id = $this->profile_id;
186 $deleted->uri = $this->uri;
187 $deleted->created = $this->created;
188 $deleted->deleted = common_sql_now();
193 if (Event::handle('NoticeDeleteRelated', array($this))) {
195 // Clear related records
197 $this->clearReplies();
198 $this->clearRepeats();
201 $this->clearGroupInboxes();
204 // NOTE: we don't clear inboxes
205 // NOTE: we don't clear queue items
208 $result = parent::delete();
210 $this->blowOnDelete();
215 * Extract #hashtags from this notice's content and save them to the database.
219 /* extract all #hastags */
220 $count = preg_match_all('/(?:^|\s)#([\pL\pN_\-\.]{1,64})/u', strtolower($this->content), $match);
225 /* Add them to the database */
226 return $this->saveKnownTags($match[1]);
230 * Record the given set of hash tags in the db for this notice.
231 * Given tag strings will be normalized and checked for dupes.
233 function saveKnownTags($hashtags)
235 //turn each into their canonical tag
236 //this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
237 for($i=0; $i<count($hashtags); $i++) {
238 /* elide characters we don't want in the tag */
239 $hashtags[$i] = common_canonical_tag($hashtags[$i]);
242 foreach(array_unique($hashtags) as $hashtag) {
243 $this->saveTag($hashtag);
244 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, $hashtag);
250 * Record a single hash tag as associated with this notice.
251 * Tag format and uniqueness must be validated by caller.
253 function saveTag($hashtag)
255 $tag = new Notice_tag();
256 $tag->notice_id = $this->id;
257 $tag->tag = $hashtag;
258 $tag->created = $this->created;
259 $id = $tag->insert();
262 // TRANS: Server exception. %s are the error details.
263 throw new ServerException(sprintf(_('Database error inserting hashtag: %s.'),
264 $last_error->message));
268 // if it's saved, blow its cache
269 $tag->blowCache(false);
273 * Save a new notice and push it out to subscribers' inboxes.
274 * Poster's permissions are checked before sending.
276 * @param int $profile_id Profile ID of the poster
277 * @param string $content source message text; links may be shortened
278 * per current user's preference
279 * @param string $source source key ('web', 'api', etc)
280 * @param array $options Associative array of optional properties:
281 * string 'created' timestamp of notice; defaults to now
282 * int 'is_local' source/gateway ID, one of:
283 * Notice::LOCAL_PUBLIC - Local, ok to appear in public timeline
284 * Notice::REMOTE - Sent from a remote service;
285 * hide from public timeline but show in
286 * local "and friends" timelines
287 * Notice::LOCAL_NONPUBLIC - Local, but hide from public timeline
288 * Notice::GATEWAY - From another non-OStatus service;
289 * will not appear in public views
290 * float 'lat' decimal latitude for geolocation
291 * float 'lon' decimal longitude for geolocation
292 * int 'location_id' geoname identifier
293 * int 'location_ns' geoname namespace to interpret location_id
294 * int 'reply_to'; notice ID this is a reply to
295 * int 'repeat_of'; notice ID this is a repeat of
296 * string 'uri' unique ID for notice; defaults to local notice URL
297 * string 'url' permalink to notice; defaults to local notice URL
298 * string 'rendered' rendered HTML version of content
299 * array 'replies' list of profile URIs for reply delivery in
300 * place of extracting @-replies from content.
301 * array 'groups' list of group IDs to deliver to, in place of
302 * extracting ! tags from content
303 * array 'tags' list of hashtag strings to save with the notice
304 * in place of extracting # tags from content
305 * array 'urls' list of attached/referred URLs to save with the
306 * notice in place of extracting links from content
307 * boolean 'distribute' whether to distribute the notice, default true
308 * string 'object_type' URL of the associated object type (default ActivityObject::NOTE)
309 * string 'verb' URL of the associated verb (default ActivityVerb::POST)
310 * int 'scope' Scope bitmask; default to SITE_SCOPE on private sites, 0 otherwise
312 * @fixme tag override
315 * @throws ClientException
317 static function saveNew($profile_id, $content, $source, array $options=null) {
318 $defaults = array('uri' => null,
323 'distribute' => true,
324 'object_type' => null,
327 if (!empty($options) && is_array($options)) {
328 $options = array_merge($defaults, $options);
334 if (!isset($is_local)) {
335 $is_local = Notice::LOCAL_PUBLIC;
338 $profile = Profile::getKV('id', $profile_id);
339 $user = User::getKV('id', $profile_id);
341 // Use the local user's shortening preferences, if applicable.
342 $final = $user->shortenLinks($content);
344 $final = common_shorten_links($content);
347 if (Notice::contentTooLong($final)) {
348 // TRANS: Client exception thrown if a notice contains too many characters.
349 throw new ClientException(_('Problem saving notice. Too long.'));
352 if (empty($profile)) {
353 // TRANS: Client exception thrown when trying to save a notice for an unknown user.
354 throw new ClientException(_('Problem saving notice. Unknown user.'));
357 if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
358 common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
359 // TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
360 throw new ClientException(_('Too many notices too fast; take a breather '.
361 'and post again in a few minutes.'));
364 if (common_config('site', 'dupelimit') > 0 && !Notice::checkDupes($profile_id, $final)) {
365 common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
366 // TRANS: Client exception thrown when a user tries to post too many duplicate notices in a given time frame.
367 throw new ClientException(_('Too many duplicate messages too quickly;'.
368 ' take a breather and post again in a few minutes.'));
371 if (!$profile->hasRight(Right::NEWNOTICE)) {
372 common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $profile->nickname);
374 // TRANS: Client exception thrown when a user tries to post while being banned.
375 throw new ClientException(_('You are banned from posting notices on this site.'), 403);
378 $notice = new Notice();
379 $notice->profile_id = $profile_id;
381 $autosource = common_config('public', 'autosource');
383 // Sandboxed are non-false, but not 1, either
385 if (!$profile->hasRight(Right::PUBLICNOTICE) ||
386 ($source && $autosource && in_array($source, $autosource))) {
387 $notice->is_local = Notice::LOCAL_NONPUBLIC;
389 $notice->is_local = $is_local;
392 if (!empty($created)) {
393 $notice->created = $created;
395 $notice->created = common_sql_now();
398 $notice->content = $final;
400 $notice->source = $source;
404 // Get the groups here so we can figure out replies and such
406 if (!isset($groups)) {
407 $groups = self::groupsFromText($notice->content, $profile);
412 // Handle repeat case
414 if (isset($repeat_of)) {
416 // Check for a private one
418 $repeat = Notice::getKV('id', $repeat_of);
420 if (empty($repeat)) {
421 // TRANS: Client exception thrown in notice when trying to repeat a missing or deleted notice.
422 throw new ClientException(_('Cannot repeat; original notice is missing or deleted.'));
425 if ($profile->id == $repeat->profile_id) {
426 // TRANS: Client error displayed when trying to repeat an own notice.
427 throw new ClientException(_('You cannot repeat your own notice.'));
430 if ($repeat->scope != Notice::SITE_SCOPE &&
431 $repeat->scope != Notice::PUBLIC_SCOPE) {
432 // TRANS: Client error displayed when trying to repeat a non-public notice.
433 throw new ClientException(_('Cannot repeat a private notice.'), 403);
436 if (!$repeat->inScope($profile)) {
437 // The generic checks above should cover this, but let's be sure!
438 // TRANS: Client error displayed when trying to repeat a notice you cannot access.
439 throw new ClientException(_('Cannot repeat a notice you cannot read.'), 403);
442 if ($profile->hasRepeated($repeat->id)) {
443 // TRANS: Client error displayed when trying to repeat an already repeated notice.
444 throw new ClientException(_('You already repeated that notice.'));
447 $notice->repeat_of = $repeat_of;
449 $reply = self::getReplyTo($reply_to, $profile_id, $source, $final);
451 if (!empty($reply)) {
453 if (!$reply->inScope($profile)) {
454 // TRANS: Client error displayed when trying to reply to a notice a the target has no access to.
455 // TRANS: %1$s is a user nickname, %2$d is a notice ID (number).
456 throw new ClientException(sprintf(_('%1$s has no access to notice %2$d.'),
457 $profile->nickname, $reply->id), 403);
460 $notice->reply_to = $reply->id;
461 $notice->conversation = $reply->conversation;
463 // If the original is private to a group, and notice has no group specified,
464 // make it to the same group(s)
466 if (empty($groups) && ($reply->scope | Notice::GROUP_SCOPE)) {
468 $replyGroups = $reply->getGroups();
469 foreach ($replyGroups as $group) {
470 if ($profile->isMember($group)) {
471 $groups[] = $group->id;
480 if (!empty($lat) && !empty($lon)) {
485 if (!empty($location_ns) && !empty($location_id)) {
486 $notice->location_id = $location_id;
487 $notice->location_ns = $location_ns;
490 if (!empty($rendered)) {
491 $notice->rendered = $rendered;
493 $notice->rendered = common_render_content($final, $notice);
497 if (!empty($notice->repeat_of)) {
498 $notice->verb = ActivityVerb::SHARE;
499 $notice->object_type = ActivityObject::ACTIVITY;
501 $notice->verb = ActivityVerb::POST;
504 $notice->verb = $verb;
507 if (empty($object_type)) {
508 $notice->object_type = (empty($notice->reply_to)) ? ActivityObject::NOTE : ActivityObject::COMMENT;
510 $notice->object_type = $object_type;
513 if (is_null($scope)) { // 0 is a valid value
514 if (!empty($reply)) {
515 $notice->scope = $reply->scope;
517 $notice->scope = self::defaultScope();
520 $notice->scope = $scope;
523 // For private streams
525 $user = $profile->getUser();
528 if ($user->private_stream &&
529 ($notice->scope == Notice::PUBLIC_SCOPE ||
530 $notice->scope == Notice::SITE_SCOPE)) {
531 $notice->scope |= Notice::FOLLOWER_SCOPE;
535 // Force the scope for private groups
537 foreach ($groups as $groupId) {
538 $group = User_group::getKV('id', $groupId);
539 if (!empty($group)) {
540 if ($group->force_scope) {
541 $notice->scope |= Notice::GROUP_SCOPE;
547 if (Event::handle('StartNoticeSave', array(&$notice))) {
549 // XXX: some of these functions write to the DB
551 $id = $notice->insert();
554 common_log_db_error($notice, 'INSERT', __FILE__);
555 // TRANS: Server exception thrown when a notice cannot be saved.
556 throw new ServerException(_('Problem saving notice.'));
559 // Update ID-dependent columns: URI, conversation
561 $orig = clone($notice);
566 $notice->uri = common_notice_uri($notice);
570 // If it's not part of a conversation, it's
571 // the beginning of a new conversation.
573 if (empty($notice->conversation)) {
574 $conv = Conversation::create();
575 $notice->conversation = $conv->id;
580 if (!$notice->update($orig)) {
581 common_log_db_error($notice, 'UPDATE', __FILE__);
582 // TRANS: Server exception thrown when a notice cannot be updated.
583 throw new ServerException(_('Problem saving notice.'));
589 // Clear the cache for subscribed users, so they'll update at next request
590 // XXX: someone clever could prepend instead of clearing the cache
592 $notice->blowOnInsert();
594 // Save per-notice metadata...
596 if (isset($replies)) {
597 $notice->saveKnownReplies($replies);
599 $notice->saveReplies();
603 $notice->saveKnownTags($tags);
608 // Note: groups may save tags, so must be run after tags are saved
609 // to avoid errors on duplicates.
610 // Note: groups should always be set.
612 $notice->saveKnownGroups($groups);
615 $notice->saveKnownUrls($urls);
621 // Prepare inbox delivery, may be queued to background.
622 $notice->distribute();
628 function blowOnInsert($conversation = false)
630 $this->blowStream('profile:notice_ids:%d', $this->profile_id);
632 if ($this->isPublic()) {
633 $this->blowStream('public');
636 self::blow('notice:list-ids:conversation:%s', $this->conversation);
637 self::blow('conversation:notice_count:%d', $this->conversation);
639 if (!empty($this->repeat_of)) {
640 // XXX: we should probably only use one of these
641 $this->blowStream('notice:repeats:%d', $this->repeat_of);
642 self::blow('notice:list-ids:repeat_of:%d', $this->repeat_of);
645 $original = Notice::getKV('id', $this->repeat_of);
647 if (!empty($original)) {
648 $originalUser = User::getKV('id', $original->profile_id);
649 if (!empty($originalUser)) {
650 $this->blowStream('user:repeats_of_me:%d', $originalUser->id);
654 $profile = Profile::getKV($this->profile_id);
656 if (!empty($profile)) {
657 $profile->blowNoticeCount();
660 $ptags = $this->getProfileTags();
661 foreach ($ptags as $ptag) {
662 $ptag->blowNoticeStreamCache();
667 * Clear cache entries related to this notice at delete time.
668 * Necessary to avoid breaking paging on public, profile timelines.
670 function blowOnDelete()
672 $this->blowOnInsert();
674 self::blow('profile:notice_ids:%d;last', $this->profile_id);
676 if ($this->isPublic()) {
677 self::blow('public;last');
680 self::blow('fave:by_notice', $this->id);
682 if ($this->conversation) {
683 // In case we're the first, will need to calc a new root.
684 self::blow('notice:conversation_root:%d', $this->conversation);
687 $ptags = $this->getProfileTags();
688 foreach ($ptags as $ptag) {
689 $ptag->blowNoticeStreamCache(true);
693 function blowStream()
695 $c = self::memcache();
701 $args = func_get_args();
703 $format = array_shift($args);
705 $keyPart = vsprintf($format, $args);
707 $cacheKey = Cache::key($keyPart);
709 $c->delete($cacheKey);
711 // delete the "last" stream, too, if this notice is
712 // older than the top of that stream
714 $lastKey = $cacheKey.';last';
716 $lastStr = $c->get($lastKey);
718 if ($lastStr !== false) {
719 $window = explode(',', $lastStr);
720 $lastID = $window[0];
721 $lastNotice = Notice::getKV('id', $lastID);
722 if (empty($lastNotice) // just weird
723 || strtotime($lastNotice->created) >= strtotime($this->created)) {
724 $c->delete($lastKey);
729 /** save all urls in the notice to the db
731 * follow redirects and save all available file information
732 * (mimetype, date, size, oembed, etc.)
736 function saveUrls() {
737 if (common_config('attachments', 'process_links')) {
738 common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
743 * Save the given URLs as related links/attachments to the db
745 * follow redirects and save all available file information
746 * (mimetype, date, size, oembed, etc.)
750 function saveKnownUrls($urls)
752 if (common_config('attachments', 'process_links')) {
753 // @fixme validation?
754 foreach (array_unique($urls) as $url) {
755 File::processNew($url, $this->id);
763 function saveUrl($url, $notice_id) {
764 File::processNew($url, $notice_id);
767 static function checkDupes($profile_id, $content) {
768 $profile = Profile::getKV($profile_id);
769 if (empty($profile)) {
772 $notice = $profile->getNotices(0, CachingNoticeStream::CACHE_WINDOW);
773 if (!empty($notice)) {
775 while ($notice->fetch()) {
776 if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
778 } else if ($notice->content == $content) {
783 // If we get here, oldest item in cache window is not
784 // old enough for dupe limit; do direct check against DB
785 $notice = new Notice();
786 $notice->profile_id = $profile_id;
787 $notice->content = $content;
788 $threshold = common_sql_date(time() - common_config('site', 'dupelimit'));
789 $notice->whereAdd(sprintf("created > '%s'", $notice->escape($threshold)));
791 $cnt = $notice->count();
795 static function checkEditThrottle($profile_id) {
796 $profile = Profile::getKV($profile_id);
797 if (empty($profile)) {
800 // Get the Nth notice
801 $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
802 if ($notice && $notice->fetch()) {
803 // If the Nth notice was posted less than timespan seconds ago
804 if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
809 // Either not N notices in the stream, OR the Nth was not posted within timespan seconds
813 protected $_attachments = -1;
815 function attachments() {
817 if ($this->_attachments != -1) {
818 return $this->_attachments;
821 $f2ps = File_to_post::listGet('post_id', array($this->id));
825 foreach ($f2ps[$this->id] as $f2p) {
826 $ids[] = $f2p->file_id;
829 $files = File::multiGet('id', $ids);
831 $this->_attachments = $files->fetchAll();
833 return $this->_attachments;
836 function _setAttachments($attachments)
838 $this->_attachments = $attachments;
841 function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
843 $stream = new PublicNoticeStream();
844 return $stream->getNotices($offset, $limit, $since_id, $max_id);
848 function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
850 $stream = new ConversationNoticeStream($id);
852 return $stream->getNotices($offset, $limit, $since_id, $max_id);
856 * Is this notice part of an active conversation?
858 * @return boolean true if other messages exist in the same
859 * conversation, false if this is the only one
861 function hasConversation()
863 if (!empty($this->conversation)) {
864 $conversation = Notice::conversationStream(
870 if ($conversation->N > 0) {
878 * Grab the earliest notice from this conversation.
880 * @return Notice or null
882 function conversationRoot($profile=-1)
884 // XXX: can this happen?
886 if (empty($this->conversation)) {
890 // Get the current profile if not specified
892 if (is_int($profile) && $profile == -1) {
893 $profile = Profile::current();
896 // If this notice is out of scope, no root for you!
898 if (!$this->inScope($profile)) {
902 // If this isn't a reply to anything, then it's its own
905 if (empty($this->reply_to)) {
909 if (is_null($profile)) {
910 $keypart = sprintf('notice:conversation_root:%d:null', $this->id);
912 $keypart = sprintf('notice:conversation_root:%d:%d',
917 $root = self::cacheGet($keypart);
919 if ($root !== false && $root->inScope($profile)) {
925 $parent = $last->getOriginal();
926 if (!empty($parent) && $parent->inScope($profile)) {
933 } while (!empty($parent));
935 self::cacheSet($keypart, $root);
942 * Pull up a full list of local recipients who will be getting
943 * this notice in their inbox. Results will be cached, so don't
944 * change the input data wily-nilly!
946 * @param array $groups optional list of Group objects;
947 * if left empty, will be loaded from group_inbox records
948 * @param array $recipient optional list of reply profile ids
949 * if left empty, will be loaded from reply records
950 * @return array associating recipient user IDs with an inbox source constant
952 function whoGets(array $groups=null, array $recipients=null)
954 $c = self::memcache();
957 $ni = $c->get(Cache::key('notice:who_gets:'.$this->id));
963 if (is_null($groups)) {
964 $groups = $this->getGroups();
967 if (is_null($recipients)) {
968 $recipients = $this->getReplies();
971 $users = $this->getSubscribedUsers();
972 $ptags = $this->getProfileTags();
974 // FIXME: kind of ignoring 'transitional'...
975 // we'll probably stop supporting inboxless mode
980 // Give plugins a chance to add folks in at start...
981 if (Event::handle('StartNoticeWhoGets', array($this, &$ni))) {
983 foreach ($users as $id) {
984 $ni[$id] = NOTICE_INBOX_SOURCE_SUB;
987 foreach ($groups as $group) {
988 $users = $group->getUserMembers();
989 foreach ($users as $id) {
990 if (!array_key_exists($id, $ni)) {
991 $ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
996 foreach ($ptags as $ptag) {
997 $users = $ptag->getUserSubscribers();
998 foreach ($users as $id) {
999 if (!array_key_exists($id, $ni)) {
1000 $ni[$id] = NOTICE_INBOX_SOURCE_PROFILE_TAG;
1005 foreach ($recipients as $recipient) {
1006 if (!array_key_exists($recipient, $ni)) {
1007 $ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
1011 // Exclude any deleted, non-local, or blocking recipients.
1012 $profile = $this->getProfile();
1013 $originalProfile = null;
1014 if ($this->repeat_of) {
1015 // Check blocks against the original notice's poster as well.
1016 $original = Notice::getKV('id', $this->repeat_of);
1018 $originalProfile = $original->getProfile();
1022 foreach ($ni as $id => $source) {
1024 $user = User::getKV('id', $id);
1026 $user->hasBlocked($profile) ||
1027 ($originalProfile && $user->hasBlocked($originalProfile))) {
1030 } catch (UserNoProfileException $e) {
1031 // User doesn't have a profile; invalid; skip them.
1036 // Give plugins a chance to filter out...
1037 Event::handle('EndNoticeWhoGets', array($this, &$ni));
1041 // XXX: pack this data better
1042 $c->set(Cache::key('notice:who_gets:'.$this->id), $ni);
1049 * Adds this notice to the inboxes of each local user who should receive
1050 * it, based on author subscriptions, group memberships, and @-replies.
1052 * Warning: running a second time currently will make items appear
1053 * multiple times in users' inboxes.
1055 * @fixme make more robust against errors
1056 * @fixme break up massive deliveries to smaller background tasks
1058 * @param array $groups optional list of Group objects;
1059 * if left empty, will be loaded from group_inbox records
1060 * @param array $recipient optional list of reply profile ids
1061 * if left empty, will be loaded from reply records
1063 function addToInboxes(array $groups=null, array $recipients=null)
1065 $ni = $this->whoGets($groups, $recipients);
1067 $ids = array_keys($ni);
1069 // We remove the author (if they're a local user),
1070 // since we'll have already done this in distribute()
1072 $i = array_search($this->profile_id, $ids);
1080 Inbox::bulkInsert($this->id, $ids);
1085 function getSubscribedUsers()
1089 if(common_config('db','quote_identifiers'))
1090 $user_table = '"user"';
1091 else $user_table = 'user';
1095 'FROM '. $user_table .' JOIN subscription '.
1096 'ON '. $user_table .'.id = subscription.subscriber ' .
1097 'WHERE subscription.subscribed = %d ';
1099 $user->query(sprintf($qry, $this->profile_id));
1103 while ($user->fetch()) {
1112 function getProfileTags()
1114 $profile = $this->getProfile();
1115 $list = $profile->getOtherTags($profile);
1118 while($list->fetch()) {
1119 $ptags[] = clone($list);
1126 * Record this notice to the given group inboxes for delivery.
1127 * Overrides the regular parsing of !group markup.
1129 * @param string $group_ids
1130 * @fixme might prefer URIs as identifiers, as for replies?
1131 * best with generalizations on user_group to support
1132 * remote groups better.
1134 function saveKnownGroups($group_ids)
1136 if (!is_array($group_ids)) {
1137 // TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
1138 throw new ServerException(_('Bad type provided to saveKnownGroups.'));
1142 foreach (array_unique($group_ids) as $id) {
1143 $group = User_group::getKV('id', $id);
1145 common_log(LOG_ERR, "Local delivery to group id $id, $group->nickname");
1146 $result = $this->addToGroupInbox($group);
1148 common_log_db_error($gi, 'INSERT', __FILE__);
1151 if (common_config('group', 'addtag')) {
1152 // we automatically add a tag for every group name, too
1154 $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($group->nickname),
1155 'notice_id' => $this->id));
1157 if (is_null($tag)) {
1158 $this->saveTag($group->nickname);
1162 $groups[] = clone($group);
1164 common_log(LOG_ERR, "Local delivery to group id $id skipped, doesn't exist");
1172 * Parse !group delivery and record targets into group_inbox.
1173 * @return array of Group objects
1175 function saveGroups()
1177 // Don't save groups for repeats
1179 if (!empty($this->repeat_of)) {
1183 $profile = $this->getProfile();
1185 $groups = self::groupsFromText($this->content, $profile);
1187 /* Add them to the database */
1189 foreach ($groups as $group) {
1190 /* XXX: remote groups. */
1192 if (empty($group)) {
1197 if ($profile->isMember($group)) {
1199 $result = $this->addToGroupInbox($group);
1202 common_log_db_error($gi, 'INSERT', __FILE__);
1205 $groups[] = clone($group);
1212 function addToGroupInbox($group)
1214 $gi = Group_inbox::pkeyGet(array('group_id' => $group->id,
1215 'notice_id' => $this->id));
1219 $gi = new Group_inbox();
1221 $gi->group_id = $group->id;
1222 $gi->notice_id = $this->id;
1223 $gi->created = $this->created;
1225 $result = $gi->insert();
1228 common_log_db_error($gi, 'INSERT', __FILE__);
1229 // TRANS: Server exception thrown when an update for a group inbox fails.
1230 throw new ServerException(_('Problem saving group inbox.'));
1233 self::blow('user_group:notice_ids:%d', $gi->group_id);
1240 * Save reply records indicating that this notice needs to be
1241 * delivered to the local users with the given URIs.
1243 * Since this is expected to be used when saving foreign-sourced
1244 * messages, we won't deliver to any remote targets as that's the
1245 * source service's responsibility.
1247 * Mail notifications etc will be handled later.
1249 * @param array $uris Array of unique identifier URIs for recipients
1251 function saveKnownReplies(array $uris)
1257 $sender = Profile::getKV($this->profile_id);
1259 foreach (array_unique($uris) as $uri) {
1261 $profile = Profile::fromURI($uri);
1263 if (empty($profile)) {
1264 common_log(LOG_WARNING, "Unable to determine profile for URI '$uri'");
1268 if ($profile->hasBlocked($sender)) {
1269 common_log(LOG_INFO, "Not saving reply to profile {$profile->id} ($uri) from sender {$sender->id} because of a block.");
1273 $this->saveReply($profile->id);
1274 self::blow('reply:stream:%d', $profile->id);
1281 * Pull @-replies from this message's content in StatusNet markup format
1282 * and save reply records indicating that this message needs to be
1283 * delivered to those users.
1285 * Mail notifications to local profiles will be sent later.
1287 * @return array of integer profile IDs
1290 function saveReplies()
1292 // Don't save reply data for repeats
1294 if (!empty($this->repeat_of)) {
1298 $sender = Profile::getKV($this->profile_id);
1302 // If it's a reply, save for the replied-to author
1304 if (!empty($this->reply_to)) {
1305 $original = $this->getOriginal();
1306 if (!empty($original)) { // that'd be weird
1307 $author = $original->getProfile();
1308 if (!empty($author)) {
1309 $this->saveReply($author->id);
1310 $replied[$author->id] = 1;
1311 self::blow('reply:stream:%d', $author->id);
1316 // @todo ideally this parser information would only
1317 // be calculated once.
1319 $mentions = common_find_mentions($this->content, $this);
1321 // store replied only for first @ (what user/notice what the reply directed,
1322 // we assume first @ is it)
1324 foreach ($mentions as $mention) {
1326 foreach ($mention['mentioned'] as $mentioned) {
1328 // skip if they're already covered
1330 if (!empty($replied[$mentioned->id])) {
1334 // Don't save replies from blocked profile to local user
1336 $mentioned_user = User::getKV('id', $mentioned->id);
1337 if (!empty($mentioned_user) && $mentioned_user->hasBlocked($sender)) {
1341 $this->saveReply($mentioned->id);
1342 $replied[$mentioned->id] = 1;
1343 self::blow('reply:stream:%d', $mentioned->id);
1347 $recipientIds = array_keys($replied);
1349 return $recipientIds;
1352 function saveReply($profileId)
1354 $reply = new Reply();
1356 $reply->notice_id = $this->id;
1357 $reply->profile_id = $profileId;
1358 $reply->modified = $this->created;
1365 protected $_replies = -1;
1368 * Pull the complete list of @-reply targets for this notice.
1370 * @return array of integer profile ids
1372 function getReplies()
1374 if ($this->_replies != -1) {
1375 return $this->_replies;
1378 $replyMap = Reply::listGet('notice_id', array($this->id));
1382 foreach ($replyMap[$this->id] as $reply) {
1383 $ids[] = $reply->profile_id;
1386 $this->_replies = $ids;
1391 function _setReplies($replies)
1393 $this->_replies = $replies;
1397 * Pull the complete list of @-reply targets for this notice.
1399 * @return array of Profiles
1401 function getReplyProfiles()
1403 $ids = $this->getReplies();
1405 $profiles = Profile::multiGet('id', $ids);
1407 return $profiles->fetchAll();
1411 * Send e-mail notifications to local @-reply targets.
1413 * Replies must already have been saved; this is expected to be run
1414 * from the distrib queue handler.
1416 function sendReplyNotifications()
1418 // Don't send reply notifications for repeats
1420 if (!empty($this->repeat_of)) {
1424 $recipientIds = $this->getReplies();
1426 foreach ($recipientIds as $recipientId) {
1427 $user = User::getKV('id', $recipientId);
1428 if (!empty($user)) {
1429 mail_notify_attn($user, $this);
1435 * Pull list of groups this notice needs to be delivered to,
1436 * as previously recorded by saveGroups() or saveKnownGroups().
1438 * @return array of Group objects
1441 protected $_groups = -1;
1443 function getGroups()
1445 // Don't save groups for repeats
1447 if (!empty($this->repeat_of)) {
1451 if ($this->_groups != -1)
1453 return $this->_groups;
1456 $gis = Group_inbox::listGet('notice_id', array($this->id));
1460 foreach ($gis[$this->id] as $gi)
1462 $ids[] = $gi->group_id;
1465 $groups = User_group::multiGet('id', $ids);
1467 $this->_groups = $groups->fetchAll();
1469 return $this->_groups;
1472 function _setGroups($groups)
1474 $this->_groups = $groups;
1478 * Convert a notice into an activity for export.
1480 * @param User $cur Current user
1482 * @return Activity activity object representing this Notice.
1485 function asActivity($cur=null)
1487 $act = self::cacheGet(Cache::codeKey('notice:as-activity:'.$this->id));
1492 $act = new Activity();
1494 if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
1496 $act->id = TagURI::mint("post:".$this->id);
1497 $act->time = strtotime($this->created);
1498 $act->content = common_xml_safe_str($this->rendered);
1500 $profile = $this->getProfile();
1502 $act->actor = ActivityObject::fromProfile($profile);
1503 $act->actor->extra[] = $profile->profileInfo($cur);
1505 $act->verb = $this->verb;
1507 if ($this->repeat_of) {
1508 $repeated = Notice::getKV('id', $this->repeat_of);
1509 if (!empty($repeated)) {
1510 $act->objects[] = $repeated->asActivity($cur);
1513 $act->objects[] = ActivityObject::fromNotice($this);
1516 // XXX: should this be handled by default processing for object entry?
1520 $tags = $this->getTags();
1522 foreach ($tags as $tag) {
1523 $cat = new AtomCategory();
1526 $act->categories[] = $cat;
1530 // XXX: use Atom Media and/or File activity objects instead
1532 $attachments = $this->attachments();
1534 foreach ($attachments as $attachment) {
1535 // Save local attachments
1536 if (!empty($attachment->filename)) {
1537 $act->attachments[] = ActivityObject::fromFile($attachment);
1541 $ctx = new ActivityContext();
1543 if (!empty($this->reply_to)) {
1544 $reply = Notice::getKV('id', $this->reply_to);
1545 if (!empty($reply)) {
1546 $ctx->replyToID = $reply->uri;
1547 $ctx->replyToUrl = $reply->bestUrl();
1551 $ctx->location = $this->getLocation();
1555 if (!empty($this->conversation)) {
1556 $conv = Conversation::getKV('id', $this->conversation);
1557 if (!empty($conv)) {
1558 $ctx->conversation = $conv->uri;
1562 $reply_ids = $this->getReplies();
1564 foreach ($reply_ids as $id) {
1565 $rprofile = Profile::getKV('id', $id);
1566 if (!empty($rprofile)) {
1567 $ctx->attention[] = $rprofile->getUri();
1568 $ctx->attentionType[$rprofile->getUri()] = ActivityObject::PERSON;
1572 $groups = $this->getGroups();
1574 foreach ($groups as $group) {
1575 $ctx->attention[] = $group->getUri();
1576 $ctx->attentionType[$group->getUri()] = ActivityObject::GROUP;
1579 switch ($this->scope) {
1580 case Notice::PUBLIC_SCOPE:
1581 $ctx->attention[] = "http://activityschema.org/collection/public";
1582 $ctx->attentionType["http://activityschema.org/collection/public"] = ActivityObject::COLLECTION;
1584 case Notice::FOLLOWER_SCOPE:
1585 $surl = common_local_url("subscribers", array('nickname' => $profile->nickname));
1586 $ctx->attention[] = $surl;
1587 $ctx->attentionType[$surl] = ActivityObject::COLLECTION;
1591 // XXX: deprecated; use ActivityVerb::SHARE instead
1595 if (!empty($this->repeat_of)) {
1596 $repeat = Notice::getKV('id', $this->repeat_of);
1597 if (!empty($repeat)) {
1598 $ctx->forwardID = $repeat->uri;
1599 $ctx->forwardUrl = $repeat->bestUrl();
1603 $act->context = $ctx;
1605 $source = $this->getSource();
1608 $act->generator = ActivityObject::fromNoticeSource($source);
1613 $atom_feed = $profile->getAtomFeed();
1615 if (!empty($atom_feed)) {
1617 $act->source = new ActivitySource();
1619 // XXX: we should store the actual feed ID
1621 $act->source->id = $atom_feed;
1623 // XXX: we should store the actual feed title
1625 $act->source->title = $profile->getBestName();
1627 $act->source->links['alternate'] = $profile->profileurl;
1628 $act->source->links['self'] = $atom_feed;
1630 $act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
1632 $notice = $profile->getCurrentNotice();
1634 if (!empty($notice)) {
1635 $act->source->updated = self::utcDate($notice->created);
1638 $user = User::getKV('id', $profile->id);
1640 if (!empty($user)) {
1641 $act->source->links['license'] = common_config('license', 'url');
1645 if ($this->isLocal()) {
1646 $act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id,
1647 'format' => 'atom'));
1648 $act->editLink = $act->selfLink;
1651 Event::handle('EndNoticeAsActivity', array($this, &$act));
1654 self::cacheSet(Cache::codeKey('notice:as-activity:'.$this->id), $act);
1659 // This has gotten way too long. Needs to be sliced up into functional bits
1660 // or ideally exported to a utility class.
1662 function asAtomEntry($namespace=false,
1667 $act = $this->asActivity($cur);
1668 $act->extra[] = $this->noticeInfo($cur);
1669 return $act->asString($namespace, $author, $source);
1673 * Extra notice info for atom entries
1675 * Clients use some extra notice info in the atom stream.
1676 * This gives it to them.
1678 * @param User $cur Current user
1680 * @return array representation of <statusnet:notice_info> element
1683 function noticeInfo($cur)
1685 // local notice ID (useful to clients for ordering)
1687 $noticeInfoAttr = array('local_id' => $this->id);
1691 $ns = $this->getSource();
1694 $noticeInfoAttr['source'] = $ns->code;
1695 if (!empty($ns->url)) {
1696 $noticeInfoAttr['source_link'] = $ns->url;
1697 if (!empty($ns->name)) {
1698 $noticeInfoAttr['source'] = '<a href="'
1699 . htmlspecialchars($ns->url)
1700 . '" rel="nofollow">'
1701 . htmlspecialchars($ns->name)
1707 // favorite and repeated
1710 $noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
1711 $cp = $cur->getProfile();
1712 $noticeInfoAttr['repeated'] = ($cp->hasRepeated($this->id)) ? "true" : "false";
1715 if (!empty($this->repeat_of)) {
1716 $noticeInfoAttr['repeat_of'] = $this->repeat_of;
1719 return array('statusnet:notice_info', $noticeInfoAttr, null);
1723 * Returns an XML string fragment with a reference to a notice as an
1724 * Activity Streams noun object with the given element type.
1726 * Assumes that 'activity' namespace has been previously defined.
1728 * @param string $element one of 'subject', 'object', 'target'
1732 function asActivityNoun($element)
1734 $noun = ActivityObject::fromNotice($this);
1735 return $noun->asString('activity:' . $element);
1740 if (!empty($this->url)) {
1742 } else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
1745 return common_local_url('shownotice',
1746 array('notice' => $this->id));
1752 * Determine which notice, if any, a new notice is in reply to.
1754 * For conversation tracking, we try to see where this notice fits
1755 * in the tree. Rough algorithm is:
1757 * if (reply_to is set and valid) {
1759 * } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
1760 * return ID of last notice by initial @name in content;
1763 * Note that all @nickname instances will still be used to save "reply" records,
1764 * so the notice shows up in the mentioned users' "replies" tab.
1766 * @param integer $reply_to ID passed in by Web or API
1767 * @param integer $profile_id ID of author
1768 * @param string $source Source tag, like 'web' or 'gwibber'
1769 * @param string $content Final notice content
1771 * @return integer ID of replied-to notice, or null for not a reply.
1774 static function getReplyTo($reply_to, $profile_id, $source, $content)
1776 static $lb = array('xmpp', 'mail', 'sms', 'omb');
1778 // If $reply_to is specified, we check that it exists, and then
1779 // return it if it does
1781 if (!empty($reply_to)) {
1782 $reply_notice = Notice::getKV('id', $reply_to);
1783 if (!empty($reply_notice)) {
1784 return $reply_notice;
1788 // If it's not a "low bandwidth" source (one where you can't set
1789 // a reply_to argument), we return. This is mostly web and API
1792 if (!in_array($source, $lb)) {
1796 // Is there an initial @ or T?
1798 if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
1799 preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
1800 $nickname = common_canonical_nickname($match[1]);
1805 // Figure out who that is.
1807 $sender = Profile::getKV('id', $profile_id);
1808 if (empty($sender)) {
1812 $recipient = common_relative_profile($sender, $nickname, common_sql_now());
1814 if (empty($recipient)) {
1818 // Get their last notice
1820 $last = $recipient->getCurrentNotice();
1822 if (!empty($last)) {
1829 static function maxContent()
1831 $contentlimit = common_config('notice', 'contentlimit');
1832 // null => use global limit (distinct from 0!)
1833 if (is_null($contentlimit)) {
1834 $contentlimit = common_config('site', 'textlimit');
1836 return $contentlimit;
1839 static function contentTooLong($content)
1841 $contentlimit = self::maxContent();
1842 return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
1845 function getLocation()
1849 if (!empty($this->location_id) && !empty($this->location_ns)) {
1850 $location = Location::fromId($this->location_id, $this->location_ns);
1853 if (is_null($location)) { // no ID, or Location::fromId() failed
1854 if (!empty($this->lat) && !empty($this->lon)) {
1855 $location = Location::fromLatLon($this->lat, $this->lon);
1863 * Convenience function for posting a repeat of an existing message.
1865 * @param int $repeater_id: profile ID of user doing the repeat
1866 * @param string $source: posting source key, eg 'web', 'api', etc
1869 * @throws Exception on failure or permission problems
1871 function repeat($repeater_id, $source)
1873 $author = Profile::getKV('id', $this->profile_id);
1875 // TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
1876 // TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
1877 $content = sprintf(_('RT @%1$s %2$s'),
1881 $maxlen = common_config('site', 'textlimit');
1882 if ($maxlen > 0 && mb_strlen($content) > $maxlen) {
1883 // Web interface and current Twitter API clients will
1884 // pull the original notice's text, but some older
1885 // clients and RSS/Atom feeds will see this trimmed text.
1887 // Unfortunately this is likely to lose tags or URLs
1888 // at the end of long notices.
1889 $content = mb_substr($content, 0, $maxlen - 4) . ' ...';
1892 // Scope is same as this one's
1894 return self::saveNew($repeater_id,
1897 array('repeat_of' => $this->id,
1898 'scope' => $this->scope));
1901 // These are supposed to be in chron order!
1903 function repeatStream($limit=100)
1905 $cache = Cache::instance();
1907 if (empty($cache)) {
1908 $ids = $this->_repeatStreamDirect($limit);
1910 $idstr = $cache->get(Cache::key('notice:repeats:'.$this->id));
1911 if ($idstr !== false) {
1912 if (empty($idstr)) {
1915 $ids = explode(',', $idstr);
1918 $ids = $this->_repeatStreamDirect(100);
1919 $cache->set(Cache::key('notice:repeats:'.$this->id), implode(',', $ids));
1922 // We do a max of 100, so slice down to limit
1923 $ids = array_slice($ids, 0, $limit);
1927 return NoticeStream::getStreamByIds($ids);
1930 function _repeatStreamDirect($limit)
1932 $notice = new Notice();
1934 $notice->selectAdd(); // clears it
1935 $notice->selectAdd('id');
1937 $notice->repeat_of = $this->id;
1939 $notice->orderBy('created, id'); // NB: asc!
1941 if (!is_null($limit)) {
1942 $notice->limit(0, $limit);
1945 return $notice->fetchAll('id');
1948 function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
1952 if (!empty($location_id) && !empty($location_ns)) {
1953 $options['location_id'] = $location_id;
1954 $options['location_ns'] = $location_ns;
1956 $location = Location::fromId($location_id, $location_ns);
1958 if (!empty($location)) {
1959 $options['lat'] = $location->lat;
1960 $options['lon'] = $location->lon;
1963 } else if (!empty($lat) && !empty($lon)) {
1964 $options['lat'] = $lat;
1965 $options['lon'] = $lon;
1967 $location = Location::fromLatLon($lat, $lon);
1969 if (!empty($location)) {
1970 $options['location_id'] = $location->location_id;
1971 $options['location_ns'] = $location->location_ns;
1973 } else if (!empty($profile)) {
1974 if (isset($profile->lat) && isset($profile->lon)) {
1975 $options['lat'] = $profile->lat;
1976 $options['lon'] = $profile->lon;
1979 if (isset($profile->location_id) && isset($profile->location_ns)) {
1980 $options['location_id'] = $profile->location_id;
1981 $options['location_ns'] = $profile->location_ns;
1988 function clearReplies()
1990 $replyNotice = new Notice();
1991 $replyNotice->reply_to = $this->id;
1993 //Null any notices that are replies to this notice
1995 if ($replyNotice->find()) {
1996 while ($replyNotice->fetch()) {
1997 $orig = clone($replyNotice);
1998 $replyNotice->reply_to = null;
1999 $replyNotice->update($orig);
2005 $reply = new Reply();
2006 $reply->notice_id = $this->id;
2008 if ($reply->find()) {
2009 while($reply->fetch()) {
2010 self::blow('reply:stream:%d', $reply->profile_id);
2018 function clearFiles()
2020 $f2p = new File_to_post();
2022 $f2p->post_id = $this->id;
2025 while ($f2p->fetch()) {
2029 // FIXME: decide whether to delete File objects
2030 // ...and related (actual) files
2033 function clearRepeats()
2035 $repeatNotice = new Notice();
2036 $repeatNotice->repeat_of = $this->id;
2038 //Null any notices that are repeats of this notice
2040 if ($repeatNotice->find()) {
2041 while ($repeatNotice->fetch()) {
2042 $orig = clone($repeatNotice);
2043 $repeatNotice->repeat_of = null;
2044 $repeatNotice->update($orig);
2049 function clearFaves()
2052 $fave->notice_id = $this->id;
2054 if ($fave->find()) {
2055 while ($fave->fetch()) {
2056 self::blow('fave:ids_by_user_own:%d', $fave->user_id);
2057 self::blow('fave:ids_by_user_own:%d;last', $fave->user_id);
2058 self::blow('fave:ids_by_user:%d', $fave->user_id);
2059 self::blow('fave:ids_by_user:%d;last', $fave->user_id);
2067 function clearTags()
2069 $tag = new Notice_tag();
2070 $tag->notice_id = $this->id;
2073 while ($tag->fetch()) {
2074 self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, Cache::keyize($tag->tag));
2075 self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, Cache::keyize($tag->tag));
2076 self::blow('notice_tag:notice_ids:%s', Cache::keyize($tag->tag));
2077 self::blow('notice_tag:notice_ids:%s;last', Cache::keyize($tag->tag));
2085 function clearGroupInboxes()
2087 $gi = new Group_inbox();
2089 $gi->notice_id = $this->id;
2092 while ($gi->fetch()) {
2093 self::blow('user_group:notice_ids:%d', $gi->group_id);
2101 function distribute()
2103 // We always insert for the author so they don't
2105 Event::handle('StartNoticeDistribute', array($this));
2107 $user = User::getKV('id', $this->profile_id);
2108 if (!empty($user)) {
2109 Inbox::insertNotice($user->id, $this->id);
2112 if (common_config('queue', 'inboxes')) {
2113 // If there's a failure, we want to _force_
2114 // distribution at this point.
2116 $qm = QueueManager::get();
2117 $qm->enqueue($this, 'distrib');
2118 } catch (Exception $e) {
2119 // If the exception isn't transient, this
2120 // may throw more exceptions as DQH does
2121 // its own enqueueing. So, we ignore them!
2123 $handler = new DistribQueueHandler();
2124 $handler->handle($this);
2125 } catch (Exception $e) {
2126 common_log(LOG_ERR, "emergency redistribution resulted in " . $e->getMessage());
2128 // Re-throw so somebody smarter can handle it.
2132 $handler = new DistribQueueHandler();
2133 $handler->handle($this);
2139 $result = parent::insert();
2142 // Profile::hasRepeated() abuses pkeyGet(), so we
2143 // have to clear manually
2144 if (!empty($this->repeat_of)) {
2145 $c = self::memcache();
2147 $ck = self::multicacheKey('Notice',
2148 array('profile_id' => $this->profile_id,
2149 'repeat_of' => $this->repeat_of));
2159 * Get the source of the notice
2161 * @return Notice_source $ns A notice source object. 'code' is the only attribute
2162 * guaranteed to be populated.
2164 function getSource()
2166 $ns = new Notice_source();
2167 if (!empty($this->source)) {
2168 switch ($this->source) {
2175 $ns->code = $this->source;
2178 $ns = Notice_source::getKV($this->source);
2180 $ns = new Notice_source();
2181 $ns->code = $this->source;
2182 $app = Oauth_application::getKV('name', $this->source);
2184 $ns->name = $app->name;
2185 $ns->url = $app->source_url;
2195 * Determine whether the notice was locally created
2197 * @return boolean locality
2200 public function isLocal()
2202 return ($this->is_local == Notice::LOCAL_PUBLIC ||
2203 $this->is_local == Notice::LOCAL_NONPUBLIC);
2207 * Get the list of hash tags saved with this notice.
2209 * @return array of strings
2211 public function getTags()
2215 $keypart = sprintf('notice:tags:%d', $this->id);
2217 $tagstr = self::cacheGet($keypart);
2219 if ($tagstr !== false) {
2220 $tags = explode(',', $tagstr);
2222 $tag = new Notice_tag();
2223 $tag->notice_id = $this->id;
2225 while ($tag->fetch()) {
2226 $tags[] = $tag->tag;
2229 self::cacheSet($keypart, implode(',', $tags));
2235 static private function utcDate($dt)
2237 $dateStr = date('d F Y H:i:s', strtotime($dt));
2238 $d = new DateTime($dateStr, new DateTimeZone('UTC'));
2239 return $d->format(DATE_W3C);
2243 * Look up the creation timestamp for a given notice ID, even
2244 * if it's been deleted.
2247 * @return mixed string recorded creation timestamp, or false if can't be found
2249 public static function getAsTimestamp($id)
2255 $notice = Notice::getKV('id', $id);
2257 return $notice->created;
2260 $deleted = Deleted_notice::getKV('id', $id);
2262 return $deleted->created;
2269 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2270 * parameter, matching notices posted after the given one (exclusive).
2272 * If the referenced notice can't be found, will return false.
2275 * @param string $idField
2276 * @param string $createdField
2277 * @return mixed string or false if no match
2279 public static function whereSinceId($id, $idField='id', $createdField='created')
2281 $since = Notice::getAsTimestamp($id);
2283 return sprintf("($createdField = '%s' and $idField > %d) or ($createdField > '%s')", $since, $id, $since);
2289 * Build an SQL 'where' fragment for timestamp-based sorting from a since_id
2290 * parameter, matching notices posted after the given one (exclusive), and
2291 * if necessary add it to the data object's query.
2293 * @param DB_DataObject $obj
2295 * @param string $idField
2296 * @param string $createdField
2297 * @return mixed string or false if no match
2299 public static function addWhereSinceId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2301 $since = self::whereSinceId($id, $idField, $createdField);
2303 $obj->whereAdd($since);
2308 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2309 * parameter, matching notices posted before the given one (inclusive).
2311 * If the referenced notice can't be found, will return false.
2314 * @param string $idField
2315 * @param string $createdField
2316 * @return mixed string or false if no match
2318 public static function whereMaxId($id, $idField='id', $createdField='created')
2320 $max = Notice::getAsTimestamp($id);
2322 return sprintf("($createdField < '%s') or ($createdField = '%s' and $idField <= %d)", $max, $max, $id);
2328 * Build an SQL 'where' fragment for timestamp-based sorting from a max_id
2329 * parameter, matching notices posted before the given one (inclusive), and
2330 * if necessary add it to the data object's query.
2332 * @param DB_DataObject $obj
2334 * @param string $idField
2335 * @param string $createdField
2336 * @return mixed string or false if no match
2338 public static function addWhereMaxId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
2340 $max = self::whereMaxId($id, $idField, $createdField);
2342 $obj->whereAdd($max);
2348 if (common_config('public', 'localonly')) {
2349 return ($this->is_local == Notice::LOCAL_PUBLIC);
2351 return (($this->is_local != Notice::LOCAL_NONPUBLIC) &&
2352 ($this->is_local != Notice::GATEWAY));
2357 * Check that the given profile is allowed to read, respond to, or otherwise
2358 * act on this notice.
2360 * The $scope member is a bitmask of scopes, representing a logical AND of the
2361 * scope requirement. So, 0x03 (Notice::ADDRESSEE_SCOPE | Notice::SITE_SCOPE) means
2362 * "only visible to people who are mentioned in the notice AND are users on this site."
2363 * Users on the site who are not mentioned in the notice will not be able to see the
2366 * @param Profile $profile The profile to check; pass null to check for public/unauthenticated users.
2368 * @return boolean whether the profile is in the notice's scope
2370 function inScope($profile)
2372 if (is_null($profile)) {
2373 $keypart = sprintf('notice:in-scope-for:%d:null', $this->id);
2375 $keypart = sprintf('notice:in-scope-for:%d:%d', $this->id, $profile->id);
2378 $result = self::cacheGet($keypart);
2380 if ($result === false) {
2382 if (Event::handle('StartNoticeInScope', array($this, $profile, &$bResult))) {
2383 $bResult = $this->_inScope($profile);
2384 Event::handle('EndNoticeInScope', array($this, $profile, &$bResult));
2386 $result = ($bResult) ? 1 : 0;
2387 self::cacheSet($keypart, $result, 0, 300);
2390 return ($result == 1) ? true : false;
2393 protected function _inScope($profile)
2395 if (!is_null($this->scope)) {
2396 $scope = $this->scope;
2398 $scope = self::defaultScope();
2401 // If there's no scope, anyone (even anon) is in scope.
2403 if ($scope == 0) { // Not private
2405 return !$this->isHiddenSpam($profile);
2407 } else { // Private, somehow
2409 // If there's scope, anon cannot be in scope
2411 if (empty($profile)) {
2415 // Author is always in scope
2417 if ($this->profile_id == $profile->id) {
2421 // Only for users on this site
2423 if ($scope & Notice::SITE_SCOPE) {
2424 $user = $profile->getUser();
2430 // Only for users mentioned in the notice
2432 if ($scope & Notice::ADDRESSEE_SCOPE) {
2434 $repl = Reply::pkeyGet(array('notice_id' => $this->id,
2435 'profile_id' => $profile->id));
2442 // Only for members of the given group
2444 if ($scope & Notice::GROUP_SCOPE) {
2446 // XXX: just query for the single membership
2448 $groups = $this->getGroups();
2452 foreach ($groups as $group) {
2453 if ($profile->isMember($group)) {
2464 // Only for followers of the author
2468 if ($scope & Notice::FOLLOWER_SCOPE) {
2471 $author = $this->getProfile();
2472 } catch (Exception $e) {
2476 if (!Subscription::exists($profile, $author)) {
2481 return !$this->isHiddenSpam($profile);
2485 function isHiddenSpam($profile) {
2487 // Hide posts by silenced users from everyone but moderators.
2489 if (common_config('notice', 'hidespam')) {
2492 $author = $this->getProfile();
2493 } catch(Exception $e) {
2494 // If we can't get an author, keep it hidden.
2495 // XXX: technically not spam, but, whatever.
2499 if ($author->hasRole(Profile_role::SILENCED)) {
2500 if (empty($profile) || (($profile->id !== $author->id) && (!$profile->hasRight(Right::REVIEWSPAM)))) {
2509 static function groupsFromText($text, $profile)
2513 /* extract all !group */
2514 $count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
2522 foreach (array_unique($match[1]) as $nickname) {
2523 $group = User_group::getForNickname($nickname, $profile);
2524 if (!empty($group) && $profile->isMember($group)) {
2525 $groups[] = $group->id;
2532 protected $_original = -1;
2534 function getOriginal()
2536 if (is_int($this->_original) && $this->_original == -1) {
2537 if (empty($this->reply_to)) {
2538 $this->_original = null;
2540 $this->_original = Notice::getKV('id', $this->reply_to);
2543 return $this->_original;
2547 * Magic function called at serialize() time.
2549 * We use this to drop a couple process-specific references
2550 * from DB_DataObject which can cause trouble in future
2553 * @return array of variable names to include in serialization.
2558 $vars = parent::__sleep();
2559 $skip = array('_original', '_profile', '_groups', '_attachments', '_faves', '_replies', '_repeats');
2560 return array_diff($vars, $skip);
2563 static function defaultScope()
2565 $scope = common_config('notice', 'defaultscope');
2566 if (is_null($scope)) {
2567 if (common_config('site', 'private')) {
2576 static function fillProfiles($notices)
2578 $map = self::getProfiles($notices);
2580 foreach ($notices as $notice) {
2581 if (array_key_exists($notice->profile_id, $map)) {
2582 $notice->_setProfile($map[$notice->profile_id]);
2586 return array_values($map);
2589 static function getProfiles(&$notices)
2592 foreach ($notices as $notice) {
2593 $ids[] = $notice->profile_id;
2596 $ids = array_unique($ids);
2598 return Profile::pivotGet('id', $ids);
2601 static function fillGroups(&$notices)
2603 $ids = self::_idsOf($notices);
2605 $gis = Group_inbox::listGet('notice_id', $ids);
2609 foreach ($gis as $id => $gi)
2613 $gids[] = $g->group_id;
2617 $gids = array_unique($gids);
2619 $group = User_group::pivotGet('id', $gids);
2621 foreach ($notices as $notice)
2624 $gi = $gis[$notice->id];
2625 foreach ($gi as $g) {
2626 $grps[] = $group[$g->group_id];
2628 $notice->_setGroups($grps);
2632 static function _idsOf(&$notices)
2635 foreach ($notices as $notice) {
2636 $ids[] = $notice->id;
2638 $ids = array_unique($ids);
2642 static function fillAttachments(&$notices)
2644 $ids = self::_idsOf($notices);
2646 $f2pMap = File_to_post::listGet('post_id', $ids);
2650 foreach ($f2pMap as $noticeId => $f2ps) {
2651 foreach ($f2ps as $f2p) {
2652 $fileIds[] = $f2p->file_id;
2656 $fileIds = array_unique($fileIds);
2658 $fileMap = File::pivotGet('id', $fileIds);
2660 foreach ($notices as $notice)
2663 $f2ps = $f2pMap[$notice->id];
2664 foreach ($f2ps as $f2p) {
2665 $files[] = $fileMap[$f2p->file_id];
2667 $notice->_setAttachments($files);
2674 * All faves of this notice
2676 * @return array Array of Fave objects
2681 if (isset($this->_faves) && is_array($this->_faves)) {
2682 return $this->_faves;
2684 $faveMap = Fave::listGet('notice_id', array($this->id));
2685 $this->_faves = $faveMap[$this->id];
2686 return $this->_faves;
2689 function _setFaves($faves)
2691 $this->_faves = $faves;
2694 static function fillFaves(&$notices)
2696 $ids = self::_idsOf($notices);
2697 $faveMap = Fave::listGet('notice_id', $ids);
2700 foreach ($faveMap as $id => $faves) {
2701 $cnt += count($faves);
2702 if (count($faves) > 0) {
2706 foreach ($notices as $notice) {
2707 $faves = $faveMap[$notice->id];
2708 $notice->_setFaves($faves);
2712 static function fillReplies(&$notices)
2714 $ids = self::_idsOf($notices);
2715 $replyMap = Reply::listGet('notice_id', $ids);
2716 foreach ($notices as $notice) {
2717 $replies = $replyMap[$notice->id];
2719 foreach ($replies as $reply) {
2720 $ids[] = $reply->profile_id;
2722 $notice->_setReplies($ids);
2726 protected $_repeats;
2728 function getRepeats()
2730 if (isset($this->_repeats) && is_array($this->_repeats)) {
2731 return $this->_repeats;
2733 $repeatMap = Notice::listGet('repeat_of', array($this->id));
2734 $this->_repeats = $repeatMap[$this->id];
2735 return $this->_repeats;
2738 function _setRepeats($repeats)
2740 $this->_repeats = $repeats;
2743 static function fillRepeats(&$notices)
2745 $ids = self::_idsOf($notices);
2746 $repeatMap = Notice::listGet('repeat_of', $ids);
2747 foreach ($notices as $notice) {
2748 $repeats = $repeatMap[$notice->id];
2749 $notice->_setRepeats($repeats);