<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008-2011 StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Notices
* @package StatusNet
* @author Brenda Wallace <shiny@cpan.org>
* @author Christopher Vollick <psycotica0@gmail.com>
* @author CiaranG <ciaran@ciarang.com>
* @author Craig Andrews <candrews@integralblue.com>
* @author Evan Prodromou <evan@controlezvous.ca>
* @author Gina Haeussge <osd@foosel.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Robin Millette <millette@controlyourself.ca>
* @author Sarven Capadisli <csarven@controlyourself.ca>
* @author Tom Adams <tom@holizz.com>
* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
* @license GNU Affero General Public License http://www.gnu.org/licenses/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
/**
* Table Definition for notice
*/
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
/* We keep 200 notices, the max number of notices available per API request,
* in the memcached cache. */
define('NOTICE_CACHE_WINDOW', CachingNoticeStream::CACHE_WINDOW);
define('MAX_BOXCARS', 128);
class Notice extends Managed_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'notice'; // table name
public $id; // int(4) primary_key not_null
public $profile_id; // int(4) multiple_key not_null
public $uri; // varchar(255) unique_key
public $content; // text
public $rendered; // text
public $url; // varchar(255)
public $created; // datetime multiple_key not_null default_0000-00-00%2000%3A00%3A00
public $modified; // timestamp not_null default_CURRENT_TIMESTAMP
public $reply_to; // int(4)
public $is_local; // int(4)
public $source; // varchar(32)
public $conversation; // int(4)
public $lat; // decimal(10,7)
public $lon; // decimal(10,7)
public $location_id; // int(4)
public $location_ns; // int(4)
public $repeat_of; // int(4)
public $verb; // varchar(255)
public $object_type; // varchar(255)
public $scope; // int(4)
/* Static get */
function staticGet($k,$v=NULL)
{
return Memcached_DataObject::staticGet('Notice',$k,$v);
}
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
public static function schemaDef()
{
$def = array(
'fields' => array(
'id' => array('type' => 'serial', 'not null' => true, 'description' => 'unique identifier'),
'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'who made the update'),
'uri' => array('type' => 'varchar', 'length' => 255, 'description' => 'universally unique identifier, usually a tag URI'),
'content' => array('type' => 'text', 'description' => 'update content', 'collate' => 'utf8_general_ci'),
'rendered' => array('type' => 'text', 'description' => 'HTML version of the content'),
'url' => array('type' => 'varchar', 'length' => 255, 'description' => 'URL of any attachment (image, video, bookmark, whatever)'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
'reply_to' => array('type' => 'int', 'description' => 'notice replied to (usually a guess)'),
'is_local' => array('type' => 'int', 'size' => 'tiny', 'default' => 0, 'description' => 'notice was generated by a user'),
'source' => array('type' => 'varchar', 'length' => 32, 'description' => 'source of comment, like "web", "im", or "clientname"'),
'conversation' => array('type' => 'int', 'description' => 'id of root notice in this conversation'),
'lat' => array('type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'latitude'),
'lon' => array('type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'longitude'),
'location_id' => array('type' => 'int', 'description' => 'location id if possible'),
'location_ns' => array('type' => 'int', 'description' => 'namespace for location'),
'repeat_of' => array('type' => 'int', 'description' => 'notice this is a repeat of'),
'object_type' => array('type' => 'varchar', 'length' => 255, 'description' => 'URI representing activity streams object type', 'default' => 'http://activitystrea.ms/schema/1.0/note'),
'verb' => array('type' => 'varchar', 'length' => 255, 'description' => 'URI representing activity streams verb', 'default' => 'http://activitystrea.ms/schema/1.0/post'),
'scope' => array('type' => 'int',
'description' => 'bit map for distribution scope; 0 = everywhere; 1 = this server only; 2 = addressees; 4 = followers; null = default'),
),
'primary key' => array('id'),
'unique keys' => array(
'notice_uri_key' => array('uri'),
),
'foreign keys' => array(
'notice_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
'notice_reply_to_fkey' => array('notice', array('reply_to' => 'id')),
'notice_conversation_fkey' => array('conversation', array('conversation' => 'id')), # note... used to refer to notice.id
'notice_repeat_of_fkey' => array('notice', array('repeat_of' => 'id')), # @fixme: what about repeats of deleted notices?
),
'indexes' => array(
'notice_created_id_is_local_idx' => array('created', 'id', 'is_local'),
'notice_profile_id_idx' => array('profile_id', 'created', 'id'),
'notice_repeat_of_created_id_idx' => array('repeat_of', 'created', 'id'),
'notice_conversation_created_id_idx' => array('conversation', 'created', 'id'),
'notice_replyto_idx' => array('reply_to')
)
);
if (common_config('search', 'type') == 'fulltext') {
$def['fulltext indexes'] = array('content' => array('content'));
}
return $def;
}
function multiGet($kc, $kvs, $skipNulls=true)
{
return Memcached_DataObject::multiGet('Notice', $kc, $kvs, $skipNulls);
}
/* Notice types */
const LOCAL_PUBLIC = 1;
const REMOTE = 0;
const LOCAL_NONPUBLIC = -1;
const GATEWAY = -2;
const PUBLIC_SCOPE = 0; // Useful fake constant
const SITE_SCOPE = 1;
const ADDRESSEE_SCOPE = 2;
const GROUP_SCOPE = 4;
const FOLLOWER_SCOPE = 8;
protected $_profile = -1;
function getProfile()
{
if (is_int($this->_profile) && $this->_profile == -1) {
$this->_setProfile(Profile::staticGet('id', $this->profile_id));
if (empty($this->_profile)) {
// TRANS: Server exception thrown when a user profile for a notice cannot be found.
// TRANS: %1$d is a profile ID (number), %2$d is a notice ID (number).
throw new ServerException(sprintf(_('No such profile (%1$d) for notice (%2$d).'), $this->profile_id, $this->id));
}
}
return $this->_profile;
}
function _setProfile($profile)
{
$this->_profile = $profile;
}
function delete()
{
// For auditing purposes, save a record that the notice
// was deleted.
// @fixme we have some cases where things get re-run and so the
// insert fails.
$deleted = Deleted_notice::staticGet('id', $this->id);
if (!$deleted) {
$deleted = Deleted_notice::staticGet('uri', $this->uri);
}
if (!$deleted) {
$deleted = new Deleted_notice();
$deleted->id = $this->id;
$deleted->profile_id = $this->profile_id;
$deleted->uri = $this->uri;
$deleted->created = $this->created;
$deleted->deleted = common_sql_now();
$deleted->insert();
}
if (Event::handle('NoticeDeleteRelated', array($this))) {
// Clear related records
$this->clearReplies();
$this->clearRepeats();
$this->clearFaves();
$this->clearTags();
$this->clearGroupInboxes();
$this->clearFiles();
// NOTE: we don't clear inboxes
// NOTE: we don't clear queue items
}
$result = parent::delete();
$this->blowOnDelete();
return $result;
}
/**
* Extract #hashtags from this notice's content and save them to the database.
*/
function saveTags()
{
/* extract all #hastags */
$count = preg_match_all('/(?:^|\s)#([\pL\pN_\-\.]{1,64})/u', strtolower($this->content), $match);
if (!$count) {
return true;
}
/* Add them to the database */
return $this->saveKnownTags($match[1]);
}
/**
* Record the given set of hash tags in the db for this notice.
* Given tag strings will be normalized and checked for dupes.
*/
function saveKnownTags($hashtags)
{
//turn each into their canonical tag
//this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
for($i=0; $i<count($hashtags); $i++) {
/* elide characters we don't want in the tag */
$hashtags[$i] = common_canonical_tag($hashtags[$i]);
}
foreach(array_unique($hashtags) as $hashtag) {
$this->saveTag($hashtag);
self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, $hashtag);
}
return true;
}
/**
* Record a single hash tag as associated with this notice.
* Tag format and uniqueness must be validated by caller.
*/
function saveTag($hashtag)
{
$tag = new Notice_tag();
$tag->notice_id = $this->id;
$tag->tag = $hashtag;
$tag->created = $this->created;
$id = $tag->insert();
if (!$id) {
// TRANS: Server exception. %s are the error details.
throw new ServerException(sprintf(_('Database error inserting hashtag: %s.'),
$last_error->message));
return;
}
// if it's saved, blow its cache
$tag->blowCache(false);
}
/**
* Save a new notice and push it out to subscribers' inboxes.
* Poster's permissions are checked before sending.
*
* @param int $profile_id Profile ID of the poster
* @param string $content source message text; links may be shortened
* per current user's preference
* @param string $source source key ('web', 'api', etc)
* @param array $options Associative array of optional properties:
* string 'created' timestamp of notice; defaults to now
* int 'is_local' source/gateway ID, one of:
* Notice::LOCAL_PUBLIC - Local, ok to appear in public timeline
* Notice::REMOTE - Sent from a remote service;
* hide from public timeline but show in
* local "and friends" timelines
* Notice::LOCAL_NONPUBLIC - Local, but hide from public timeline
* Notice::GATEWAY - From another non-OStatus service;
* will not appear in public views
* float 'lat' decimal latitude for geolocation
* float 'lon' decimal longitude for geolocation
* int 'location_id' geoname identifier
* int 'location_ns' geoname namespace to interpret location_id
* int 'reply_to'; notice ID this is a reply to
* int 'repeat_of'; notice ID this is a repeat of
* string 'uri' unique ID for notice; defaults to local notice URL
* string 'url' permalink to notice; defaults to local notice URL
* string 'rendered' rendered HTML version of content
* array 'replies' list of profile URIs for reply delivery in
* place of extracting @-replies from content.
* array 'groups' list of group IDs to deliver to, in place of
* extracting ! tags from content
* array 'tags' list of hashtag strings to save with the notice
* in place of extracting # tags from content
* array 'urls' list of attached/referred URLs to save with the
* notice in place of extracting links from content
* boolean 'distribute' whether to distribute the notice, default true
* string 'object_type' URL of the associated object type (default ActivityObject::NOTE)
* string 'verb' URL of the associated verb (default ActivityVerb::POST)
* int 'scope' Scope bitmask; default to SITE_SCOPE on private sites, 0 otherwise
*
* @fixme tag override
*
* @return Notice
* @throws ClientException
*/
static function saveNew($profile_id, $content, $source, $options=null) {
$defaults = array('uri' => null,
'url' => null,
'reply_to' => null,
'repeat_of' => null,
'scope' => null,
'distribute' => true,
'object_type' => null,
'verb' => null);
if (!empty($options) && is_array($options)) {
$options = array_merge($defaults, $options);
extract($options);
} else {
extract($defaults);
}
if (!isset($is_local)) {
$is_local = Notice::LOCAL_PUBLIC;
}
$profile = Profile::staticGet('id', $profile_id);
$user = User::staticGet('id', $profile_id);
if ($user) {
// Use the local user's shortening preferences, if applicable.
$final = $user->shortenLinks($content);
} else {
$final = common_shorten_links($content);
}
if (Notice::contentTooLong($final)) {
// TRANS: Client exception thrown if a notice contains too many characters.
throw new ClientException(_('Problem saving notice. Too long.'));
}
if (empty($profile)) {
// TRANS: Client exception thrown when trying to save a notice for an unknown user.
throw new ClientException(_('Problem saving notice. Unknown user.'));
}
if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
// TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
throw new ClientException(_('Too many notices too fast; take a breather '.
'and post again in a few minutes.'));
}
if (common_config('site', 'dupelimit') > 0 && !Notice::checkDupes($profile_id, $final)) {
common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
// TRANS: Client exception thrown when a user tries to post too many duplicate notices in a given time frame.
throw new ClientException(_('Too many duplicate messages too quickly;'.
' take a breather and post again in a few minutes.'));
}
if (!$profile->hasRight(Right::NEWNOTICE)) {
common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $profile->nickname);
// TRANS: Client exception thrown when a user tries to post while being banned.
throw new ClientException(_('You are banned from posting notices on this site.'), 403);
}
$notice = new Notice();
$notice->profile_id = $profile_id;
$autosource = common_config('public', 'autosource');
// Sandboxed are non-false, but not 1, either
if (!$profile->hasRight(Right::PUBLICNOTICE) ||
($source && $autosource && in_array($source, $autosource))) {
$notice->is_local = Notice::LOCAL_NONPUBLIC;
} else {
$notice->is_local = $is_local;
}
if (!empty($created)) {
$notice->created = $created;
} else {
$notice->created = common_sql_now();
}
$notice->content = $final;
$notice->source = $source;
$notice->uri = $uri;
$notice->url = $url;
// Get the groups here so we can figure out replies and such
if (!isset($groups)) {
$groups = self::groupsFromText($notice->content, $profile);
}
$reply = null;
// Handle repeat case
if (isset($repeat_of)) {
// Check for a private one
$repeat = Notice::staticGet('id', $repeat_of);
if (empty($repeat)) {
// TRANS: Client exception thrown in notice when trying to repeat a missing or deleted notice.
throw new ClientException(_('Cannot repeat; original notice is missing or deleted.'));
}
if ($profile->id == $repeat->profile_id) {
// TRANS: Client error displayed when trying to repeat an own notice.
throw new ClientException(_('You cannot repeat your own notice.'));
}
if ($repeat->scope != Notice::SITE_SCOPE &&
$repeat->scope != Notice::PUBLIC_SCOPE) {
// TRANS: Client error displayed when trying to repeat a non-public notice.
throw new ClientException(_('Cannot repeat a private notice.'), 403);
}
if (!$repeat->inScope($profile)) {
// The generic checks above should cover this, but let's be sure!
// TRANS: Client error displayed when trying to repeat a notice you cannot access.
throw new ClientException(_('Cannot repeat a notice you cannot read.'), 403);
}
if ($profile->hasRepeated($repeat->id)) {
// TRANS: Client error displayed when trying to repeat an already repeated notice.
throw new ClientException(_('You already repeated that notice.'));
}
$notice->repeat_of = $repeat_of;
} else {
$reply = self::getReplyTo($reply_to, $profile_id, $source, $final);
if (!empty($reply)) {
if (!$reply->inScope($profile)) {
// TRANS: Client error displayed when trying to reply to a notice a the target has no access to.
// TRANS: %1$s is a user nickname, %2$d is a notice ID (number).
throw new ClientException(sprintf(_('%1$s has no access to notice %2$d.'),
$profile->nickname, $reply->id), 403);
}
$notice->reply_to = $reply->id;
$notice->conversation = $reply->conversation;
// If the original is private to a group, and notice has no group specified,
// make it to the same group(s)
if (empty($groups) && ($reply->scope | Notice::GROUP_SCOPE)) {
$groups = array();
$replyGroups = $reply->getGroups();
foreach ($replyGroups as $group) {
if ($profile->isMember($group)) {
$groups[] = $group->id;
}
}
}
// Scope set below
}
}
if (!empty($lat) && !empty($lon)) {
$notice->lat = $lat;
$notice->lon = $lon;
}
if (!empty($location_ns) && !empty($location_id)) {
$notice->location_id = $location_id;
$notice->location_ns = $location_ns;
}
if (!empty($rendered)) {
$notice->rendered = $rendered;
} else {
$notice->rendered = common_render_content($final, $notice);
}
if (empty($verb)) {
if (!empty($notice->repeat_of)) {
$notice->verb = ActivityVerb::SHARE;
$notice->object_type = ActivityObject::ACTIVITY;
} else {
$notice->verb = ActivityVerb::POST;
}
} else {
$notice->verb = $verb;
}
if (empty($object_type)) {
$notice->object_type = (empty($notice->reply_to)) ? ActivityObject::NOTE : ActivityObject::COMMENT;
} else {
$notice->object_type = $object_type;
}
if (is_null($scope)) { // 0 is a valid value
if (!empty($reply)) {
$notice->scope = $reply->scope;
} else {
$notice->scope = self::defaultScope();
}
} else {
$notice->scope = $scope;
}
// For private streams
$user = $profile->getUser();
if (!empty($user)) {
if ($user->private_stream &&
($notice->scope == Notice::PUBLIC_SCOPE ||
$notice->scope == Notice::SITE_SCOPE)) {
$notice->scope |= Notice::FOLLOWER_SCOPE;
}
}
// Force the scope for private groups
foreach ($groups as $groupId) {
$group = User_group::staticGet('id', $groupId);
if (!empty($group)) {
if ($group->force_scope) {
$notice->scope |= Notice::GROUP_SCOPE;
break;
}
}
}
if (Event::handle('StartNoticeSave', array(&$notice))) {
// XXX: some of these functions write to the DB
$id = $notice->insert();
if (!$id) {
common_log_db_error($notice, 'INSERT', __FILE__);
// TRANS: Server exception thrown when a notice cannot be saved.
throw new ServerException(_('Problem saving notice.'));
}
// Update ID-dependent columns: URI, conversation
$orig = clone($notice);
$changed = false;
if (empty($uri)) {
$notice->uri = common_notice_uri($notice);
$changed = true;
}
// If it's not part of a conversation, it's
// the beginning of a new conversation.
if (empty($notice->conversation)) {
$conv = Conversation::create();
$notice->conversation = $conv->id;
$changed = true;
}
if ($changed) {
if (!$notice->update($orig)) {
common_log_db_error($notice, 'UPDATE', __FILE__);
// TRANS: Server exception thrown when a notice cannot be updated.
throw new ServerException(_('Problem saving notice.'));
}
}
}
// Clear the cache for subscribed users, so they'll update at next request
// XXX: someone clever could prepend instead of clearing the cache
$notice->blowOnInsert();
// Save per-notice metadata...
if (isset($replies)) {
$notice->saveKnownReplies($replies);
} else {
$notice->saveReplies();
}
if (isset($tags)) {
$notice->saveKnownTags($tags);
} else {
$notice->saveTags();
}
// Note: groups may save tags, so must be run after tags are saved
// to avoid errors on duplicates.
// Note: groups should always be set.
$notice->saveKnownGroups($groups);
if (isset($urls)) {
$notice->saveKnownUrls($urls);
} else {
$notice->saveUrls();
}
if ($distribute) {
// Prepare inbox delivery, may be queued to background.
$notice->distribute();
}
return $notice;
}
function blowOnInsert($conversation = false)
{
$this->blowStream('profile:notice_ids:%d', $this->profile_id);
if ($this->isPublic()) {
$this->blowStream('public');
}
self::blow('notice:list-ids:conversation:%s', $this->conversation);
self::blow('conversation::notice_count:%d', $this->conversation);
if (!empty($this->repeat_of)) {
// XXX: we should probably only use one of these
$this->blowStream('notice:repeats:%d', $this->repeat_of);
self::blow('notice:list-ids:repeat_of:%d', $this->repeat_of);
}
$original = Notice::staticGet('id', $this->repeat_of);
if (!empty($original)) {
$originalUser = User::staticGet('id', $original->profile_id);
if (!empty($originalUser)) {
$this->blowStream('user:repeats_of_me:%d', $originalUser->id);
}
}
$profile = Profile::staticGet($this->profile_id);
if (!empty($profile)) {
$profile->blowNoticeCount();
}
$ptags = $this->getProfileTags();
foreach ($ptags as $ptag) {
$ptag->blowNoticeStreamCache();
}
}
/**
* Clear cache entries related to this notice at delete time.
* Necessary to avoid breaking paging on public, profile timelines.
*/
function blowOnDelete()
{
$this->blowOnInsert();
self::blow('profile:notice_ids:%d;last', $this->profile_id);
if ($this->isPublic()) {
self::blow('public;last');
}
self::blow('fave:by_notice', $this->id);
if ($this->conversation) {
// In case we're the first, will need to calc a new root.
self::blow('notice:conversation_root:%d', $this->conversation);
}
$ptags = $this->getProfileTags();
foreach ($ptags as $ptag) {
$ptag->blowNoticeStreamCache(true);
}
}
function blowStream()
{
$c = self::memcache();
if (empty($c)) {
return false;
}
$args = func_get_args();
$format = array_shift($args);
$keyPart = vsprintf($format, $args);
$cacheKey = Cache::key($keyPart);
$c->delete($cacheKey);
// delete the "last" stream, too, if this notice is
// older than the top of that stream
$lastKey = $cacheKey.';last';
$lastStr = $c->get($lastKey);
if ($lastStr !== false) {
$window = explode(',', $lastStr);
$lastID = $window[0];
$lastNotice = Notice::staticGet('id', $lastID);
if (empty($lastNotice) // just weird
|| strtotime($lastNotice->created) >= strtotime($this->created)) {
$c->delete($lastKey);
}
}
}
/** save all urls in the notice to the db
*
* follow redirects and save all available file information
* (mimetype, date, size, oembed, etc.)
*
* @return void
*/
function saveUrls() {
if (common_config('attachments', 'process_links')) {
common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
}
}
/**
* Save the given URLs as related links/attachments to the db
*
* follow redirects and save all available file information
* (mimetype, date, size, oembed, etc.)
*
* @return void
*/
function saveKnownUrls($urls)
{
if (common_config('attachments', 'process_links')) {
// @fixme validation?
foreach (array_unique($urls) as $url) {
File::processNew($url, $this->id);
}
}
}
/**
* @private callback
*/
function saveUrl($url, $notice_id) {
File::processNew($url, $notice_id);
}
static function checkDupes($profile_id, $content) {
$profile = Profile::staticGet($profile_id);
if (empty($profile)) {
return false;
}
$notice = $profile->getNotices(0, CachingNoticeStream::CACHE_WINDOW);
if (!empty($notice)) {
$last = 0;
while ($notice->fetch()) {
if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
return true;
} else if ($notice->content == $content) {
return false;
}
}
}
// If we get here, oldest item in cache window is not
// old enough for dupe limit; do direct check against DB
$notice = new Notice();
$notice->profile_id = $profile_id;
$notice->content = $content;
$threshold = common_sql_date(time() - common_config('site', 'dupelimit'));
$notice->whereAdd(sprintf("created > '%s'", $notice->escape($threshold)));
$cnt = $notice->count();
return ($cnt == 0);
}
static function checkEditThrottle($profile_id) {
$profile = Profile::staticGet($profile_id);
if (empty($profile)) {
return false;
}
// Get the Nth notice
$notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
if ($notice && $notice->fetch()) {
// If the Nth notice was posted less than timespan seconds ago
if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
// Then we throttle
return false;
}
}
// Either not N notices in the stream, OR the Nth was not posted within timespan seconds
return true;
}
protected $_attachments = -1;
function attachments() {
if ($this->_attachments != -1) {
return $this->_attachments;
}
$f2ps = Memcached_DataObject::listGet('File_to_post', 'post_id', array($this->id));
$ids = array();
foreach ($f2ps[$this->id] as $f2p) {
$ids[] = $f2p->file_id;
}
$files = Memcached_DataObject::multiGet('File', 'id', $ids);
$this->_attachments = $files->fetchAll();
return $this->_attachments;
}
function _setAttachments($attachments)
{
$this->_attachments = $attachments;
}
function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
{
$stream = new PublicNoticeStream();
return $stream->getNotices($offset, $limit, $since_id, $max_id);
}
function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
{
$stream = new ConversationNoticeStream($id);
return $stream->getNotices($offset, $limit, $since_id, $max_id);
}
/**
* Is this notice part of an active conversation?
*
* @return boolean true if other messages exist in the same
* conversation, false if this is the only one
*/
function hasConversation()
{
if (!empty($this->conversation)) {
$conversation = Notice::conversationStream(
$this->conversation,
1,
1
);
if ($conversation->N > 0) {
return true;
}
}
return false;
}
/**
* Grab the earliest notice from this conversation.
*
* @return Notice or null
*/
function conversationRoot($profile=-1)
{
// XXX: can this happen?
if (empty($this->conversation)) {
return null;
}
// Get the current profile if not specified
if (is_int($profile) && $profile == -1) {
$profile = Profile::current();
}
// If this notice is out of scope, no root for you!
if (!$this->inScope($profile)) {
return null;
}
// If this isn't a reply to anything, then it's its own
// root.
if (empty($this->reply_to)) {
return $this;
}
if (is_null($profile)) {
$keypart = sprintf('notice:conversation_root:%d:null', $this->id);
} else {
$keypart = sprintf('notice:conversation_root:%d:%d',
$this->id,
$profile->id);
}
$root = self::cacheGet($keypart);
if ($root !== false && $root->inScope($profile)) {
return $root;
} else {
$last = $this;
do {
$parent = $last->getOriginal();
if (!empty($parent) && $parent->inScope($profile)) {
$last = $parent;
continue;
} else {
$root = $last;
break;
}
} while (!empty($parent));
self::cacheSet($keypart, $root);
}
return $root;
}
/**
* Pull up a full list of local recipients who will be getting
* this notice in their inbox. Results will be cached, so don't
* change the input data wily-nilly!
*
* @param array $groups optional list of Group objects;
* if left empty, will be loaded from group_inbox records
* @param array $recipient optional list of reply profile ids
* if left empty, will be loaded from reply records
* @return array associating recipient user IDs with an inbox source constant
*/
function whoGets($groups=null, $recipients=null)
{
$c = self::memcache();
if (!empty($c)) {
$ni = $c->get(Cache::key('notice:who_gets:'.$this->id));
if ($ni !== false) {
return $ni;
}
}
if (is_null($groups)) {
$groups = $this->getGroups();
}
if (is_null($recipients)) {
$recipients = $this->getReplies();
}
$users = $this->getSubscribedUsers();
$ptags = $this->getProfileTags();
// FIXME: kind of ignoring 'transitional'...
// we'll probably stop supporting inboxless mode
// in 0.9.x
$ni = array();
// Give plugins a chance to add folks in at start...
if (Event::handle('StartNoticeWhoGets', array($this, &$ni))) {
foreach ($users as $id) {
$ni[$id] = NOTICE_INBOX_SOURCE_SUB;
}
foreach ($groups as $group) {
$users = $group->getUserMembers();
foreach ($users as $id) {
if (!array_key_exists($id, $ni)) {
$ni[$id] = NOTICE_INBOX_SOURCE_GROUP;
}
}
}
foreach ($ptags as $ptag) {
$users = $ptag->getUserSubscribers();
foreach ($users as $id) {
if (!array_key_exists($id, $ni)) {
$user = User::staticGet('id', $id);
if (!$user->hasBlocked($profile)) {
$ni[$id] = NOTICE_INBOX_SOURCE_PROFILE_TAG;
}
}
}
}
foreach ($recipients as $recipient) {
if (!array_key_exists($recipient, $ni)) {
$ni[$recipient] = NOTICE_INBOX_SOURCE_REPLY;
}
// Exclude any deleted, non-local, or blocking recipients.
$profile = $this->getProfile();
$originalProfile = null;
if ($this->repeat_of) {
// Check blocks against the original notice's poster as well.
$original = Notice::staticGet('id', $this->repeat_of);
if ($original) {
$originalProfile = $original->getProfile();
}
}
foreach ($ni as $id => $source) {
$user = User::staticGet('id', $id);
if (empty($user) || $user->hasBlocked($profile) ||
($originalProfile && $user->hasBlocked($originalProfile))) {
unset($ni[$id]);
}
}
}
// Give plugins a chance to filter out...
Event::handle('EndNoticeWhoGets', array($this, &$ni));
}
if (!empty($c)) {
// XXX: pack this data better
$c->set(Cache::key('notice:who_gets:'.$this->id), $ni);
}
return $ni;
}
/**
* Adds this notice to the inboxes of each local user who should receive
* it, based on author subscriptions, group memberships, and @-replies.
*
* Warning: running a second time currently will make items appear
* multiple times in users' inboxes.
*
* @fixme make more robust against errors
* @fixme break up massive deliveries to smaller background tasks
*
* @param array $groups optional list of Group objects;
* if left empty, will be loaded from group_inbox records
* @param array $recipient optional list of reply profile ids
* if left empty, will be loaded from reply records
*/
function addToInboxes($groups=null, $recipients=null)
{
$ni = $this->whoGets($groups, $recipients);
$ids = array_keys($ni);
// We remove the author (if they're a local user),
// since we'll have already done this in distribute()
$i = array_search($this->profile_id, $ids);
if ($i !== false) {
unset($ids[$i]);
}
// Bulk insert
Inbox::bulkInsert($this->id, $ids);
return;
}
function getSubscribedUsers()
{
$user = new User();
if(common_config('db','quote_identifiers'))
$user_table = '"user"';
else $user_table = 'user';
$qry =
'SELECT id ' .
'FROM '. $user_table .' JOIN subscription '.
'ON '. $user_table .'.id = subscription.subscriber ' .
'WHERE subscription.subscribed = %d ';
$user->query(sprintf($qry, $this->profile_id));
$ids = array();
while ($user->fetch()) {
$ids[] = $user->id;
}
$user->free();
return $ids;
}
function getProfileTags()
{
$profile = $this->getProfile();
$list = $profile->getOtherTags($profile);
$ptags = array();
while($list->fetch()) {
$ptags[] = clone($list);
}
return $ptags;
}
/**
* Record this notice to the given group inboxes for delivery.
* Overrides the regular parsing of !group markup.
*
* @param string $group_ids
* @fixme might prefer URIs as identifiers, as for replies?
* best with generalizations on user_group to support
* remote groups better.
*/
function saveKnownGroups($group_ids)
{
if (!is_array($group_ids)) {
// TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
throw new ServerException(_('Bad type provided to saveKnownGroups.'));
}
$groups = array();
foreach (array_unique($group_ids) as $id) {
$group = User_group::staticGet('id', $id);
if ($group) {
common_log(LOG_ERR, "Local delivery to group id $id, $group->nickname");
$result = $this->addToGroupInbox($group);
if (!$result) {
common_log_db_error($gi, 'INSERT', __FILE__);
}
if (common_config('group', 'addtag')) {
// we automatically add a tag for every group name, too
$tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($group->nickname),
'notice_id' => $this->id));
if (is_null($tag)) {
$this->saveTag($group->nickname);
}
}
$groups[] = clone($group);
} else {
common_log(LOG_ERR, "Local delivery to group id $id skipped, doesn't exist");
}
}
return $groups;
}
/**
* Parse !group delivery and record targets into group_inbox.
* @return array of Group objects
*/
function saveGroups()
{
// Don't save groups for repeats
if (!empty($this->repeat_of)) {
return array();
}
$profile = $this->getProfile();
$groups = self::groupsFromText($this->content, $profile);
/* Add them to the database */
foreach ($groups as $group) {
/* XXX: remote groups. */
if (empty($group)) {
continue;
}
if ($profile->isMember($group)) {
$result = $this->addToGroupInbox($group);
if (!$result) {
common_log_db_error($gi, 'INSERT', __FILE__);
}
$groups[] = clone($group);
}
}
return $groups;
}
function addToGroupInbox($group)
{
$gi = Group_inbox::pkeyGet(array('group_id' => $group->id,
'notice_id' => $this->id));
if (empty($gi)) {
$gi = new Group_inbox();
$gi->group_id = $group->id;
$gi->notice_id = $this->id;
$gi->created = $this->created;
$result = $gi->insert();
if (!$result) {
common_log_db_error($gi, 'INSERT', __FILE__);
// TRANS: Server exception thrown when an update for a group inbox fails.
throw new ServerException(_('Problem saving group inbox.'));
}
self::blow('user_group:notice_ids:%d', $gi->group_id);
}
return true;
}
/**
* Save reply records indicating that this notice needs to be
* delivered to the local users with the given URIs.
*
* Since this is expected to be used when saving foreign-sourced
* messages, we won't deliver to any remote targets as that's the
* source service's responsibility.
*
* Mail notifications etc will be handled later.
*
* @param array of unique identifier URIs for recipients
*/
function saveKnownReplies($uris)
{
if (empty($uris)) {
return;
}
$sender = Profile::staticGet($this->profile_id);
foreach (array_unique($uris) as $uri) {
$profile = Profile::fromURI($uri);
if (empty($profile)) {
common_log(LOG_WARNING, "Unable to determine profile for URI '$uri'");
continue;
}
if ($profile->hasBlocked($sender)) {
common_log(LOG_INFO, "Not saving reply to profile {$profile->id} ($uri) from sender {$sender->id} because of a block.");
continue;
}
$this->saveReply($profile->id);
self::blow('reply:stream:%d', $profile->id);
}
return;
}
/**
* Pull @-replies from this message's content in StatusNet markup format
* and save reply records indicating that this message needs to be
* delivered to those users.
*
* Mail notifications to local profiles will be sent later.
*
* @return array of integer profile IDs
*/
function saveReplies()
{
// Don't save reply data for repeats
if (!empty($this->repeat_of)) {
return array();
}
$sender = Profile::staticGet($this->profile_id);
$replied = array();
// If it's a reply, save for the replied-to author
if (!empty($this->reply_to)) {
$original = $this->getOriginal();
if (!empty($original)) { // that'd be weird
$author = $original->getProfile();
if (!empty($author)) {
$this->saveReply($author->id);
$replied[$author->id] = 1;
self::blow('reply:stream:%d', $author->id);
}
}
}
// @todo ideally this parser information would only
// be calculated once.
$mentions = common_find_mentions($this->content, $this);
// store replied only for first @ (what user/notice what the reply directed,
// we assume first @ is it)
foreach ($mentions as $mention) {
foreach ($mention['mentioned'] as $mentioned) {
// skip if they're already covered
if (!empty($replied[$mentioned->id])) {
continue;
}
// Don't save replies from blocked profile to local user
$mentioned_user = User::staticGet('id', $mentioned->id);
if (!empty($mentioned_user) && $mentioned_user->hasBlocked($sender)) {
continue;
}
$this->saveReply($mentioned->id);
$replied[$mentioned->id] = 1;
self::blow('reply:stream:%d', $mentioned->id);
}
}
$recipientIds = array_keys($replied);
return $recipientIds;
}
function saveReply($profileId)
{
$reply = new Reply();
$reply->notice_id = $this->id;
$reply->profile_id = $profileId;
$reply->modified = $this->created;
$reply->insert();
return $reply;
}
protected $_replies = -1;
/**
* Pull the complete list of @-reply targets for this notice.
*
* @return array of integer profile ids
*/
function getReplies()
{
if ($this->_replies != -1) {
return $this->_replies;
}
$replyMap = Memcached_DataObject::listGet('Reply', 'notice_id', array($this->id));
$ids = array();
foreach ($replyMap[$this->id] as $reply) {
$ids[] = $reply->profile_id;
}
$this->_replies = $ids;
return $ids;
}
function _setReplies($replies)
{
$this->_replies = $replies;
}
/**
* Pull the complete list of @-reply targets for this notice.
*
* @return array of Profiles
*/
function getReplyProfiles()
{
$ids = $this->getReplies();
$profiles = Profile::multiGet('id', $ids);
return $profiles->fetchAll();
}
/**
* Send e-mail notifications to local @-reply targets.
*
* Replies must already have been saved; this is expected to be run
* from the distrib queue handler.
*/
function sendReplyNotifications()
{
// Don't send reply notifications for repeats
if (!empty($this->repeat_of)) {
return array();
}
$recipientIds = $this->getReplies();
foreach ($recipientIds as $recipientId) {
$user = User::staticGet('id', $recipientId);
if (!empty($user)) {
mail_notify_attn($user, $this);
}
}
}
/**
* Pull list of groups this notice needs to be delivered to,
* as previously recorded by saveGroups() or saveKnownGroups().
*
* @return array of Group objects
*/
protected $_groups = -1;
function getGroups()
{
// Don't save groups for repeats
if (!empty($this->repeat_of)) {
return array();
}
if ($this->_groups != -1)
{
return $this->_groups;
}
$gis = Memcached_DataObject::listGet('Group_inbox', 'notice_id', array($this->id));
$ids = array();
foreach ($gis[$this->id] as $gi)
{
$ids[] = $gi->group_id;
}
$groups = User_group::multiGet('id', $ids);
$this->_groups = $groups->fetchAll();
return $this->_groups;
}
function _setGroups($groups)
{
$this->_groups = $groups;
}
/**
* Convert a notice into an activity for export.
*
* @param User $cur Current user
*
* @return Activity activity object representing this Notice.
*/
function asActivity($cur)
{
$act = self::cacheGet(Cache::codeKey('notice:as-activity:'.$this->id));
if (!empty($act)) {
return $act;
}
$act = new Activity();
if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
$act->id = $this->uri;
$act->time = strtotime($this->created);
$act->link = $this->bestUrl();
$act->content = common_xml_safe_str($this->rendered);
$act->title = common_xml_safe_str($this->content);
$profile = $this->getProfile();
$act->actor = ActivityObject::fromProfile($profile);
$act->actor->extra[] = $profile->profileInfo($cur);
$act->verb = $this->verb;
if ($this->repeat_of) {
$repeated = Notice::staticGet('id', $this->repeat_of);
$act->objects[] = $repeated->asActivity($cur);
} else {
$act->objects[] = ActivityObject::fromNotice($this);
}
// XXX: should this be handled by default processing for object entry?
// Categories
$tags = $this->getTags();
foreach ($tags as $tag) {
$cat = new AtomCategory();
$cat->term = $tag;
$act->categories[] = $cat;
}
// Enclosures
// XXX: use Atom Media and/or File activity objects instead
$attachments = $this->attachments();
foreach ($attachments as $attachment) {
$enclosure = $attachment->getEnclosure();
if ($enclosure) {
$act->enclosures[] = $enclosure;
}
}
$ctx = new ActivityContext();
if (!empty($this->reply_to)) {
$reply = Notice::staticGet('id', $this->reply_to);
if (!empty($reply)) {
$ctx->replyToID = $reply->uri;
$ctx->replyToUrl = $reply->bestUrl();
}
}
$ctx->location = $this->getLocation();
$conv = null;
if (!empty($this->conversation)) {
$conv = Conversation::staticGet('id', $this->conversation);
if (!empty($conv)) {
$ctx->conversation = $conv->uri;
}
}
$reply_ids = $this->getReplies();
foreach ($reply_ids as $id) {
$rprofile = Profile::staticGet('id', $id);
if (!empty($rprofile)) {
$ctx->attention[] = $rprofile->getUri();
}
}
$groups = $this->getGroups();
foreach ($groups as $group) {
$ctx->attention[] = $group->getUri();
}
// XXX: deprecated; use ActivityVerb::SHARE instead
$repeat = null;
if (!empty($this->repeat_of)) {
$repeat = Notice::staticGet('id', $this->repeat_of);
if (!empty($repeat)) {
$ctx->forwardID = $repeat->uri;
$ctx->forwardUrl = $repeat->bestUrl();
}
}
$act->context = $ctx;
// Source
$atom_feed = $profile->getAtomFeed();
if (!empty($atom_feed)) {
$act->source = new ActivitySource();
// XXX: we should store the actual feed ID
$act->source->id = $atom_feed;
// XXX: we should store the actual feed title
$act->source->title = $profile->getBestName();
$act->source->links['alternate'] = $profile->profileurl;
$act->source->links['self'] = $atom_feed;
$act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
$notice = $profile->getCurrentNotice();
if (!empty($notice)) {
$act->source->updated = self::utcDate($notice->created);
}
$user = User::staticGet('id', $profile->id);
if (!empty($user)) {
$act->source->links['license'] = common_config('license', 'url');
}
}
if ($this->isLocal()) {
$act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id,
'format' => 'atom'));
$act->editLink = $act->selfLink;
}
Event::handle('EndNoticeAsActivity', array($this, &$act));
}
self::cacheSet(Cache::codeKey('notice:as-activity:'.$this->id), $act);
return $act;
}
// This has gotten way too long. Needs to be sliced up into functional bits
// or ideally exported to a utility class.
function asAtomEntry($namespace=false,
$source=false,
$author=true,
$cur=null)
{
$act = $this->asActivity($cur);
$act->extra[] = $this->noticeInfo($cur);
return $act->asString($namespace, $author, $source);
}
/**
* Extra notice info for atom entries
*
* Clients use some extra notice info in the atom stream.
* This gives it to them.
*
* @param User $cur Current user
*
* @return array representation of <statusnet:notice_info> element
*/
function noticeInfo($cur)
{
// local notice ID (useful to clients for ordering)
$noticeInfoAttr = array('local_id' => $this->id);
// notice source
$ns = $this->getSource();
if (!empty($ns)) {
$noticeInfoAttr['source'] = $ns->code;
if (!empty($ns->url)) {
$noticeInfoAttr['source_link'] = $ns->url;
if (!empty($ns->name)) {
$noticeInfoAttr['source'] = '<a href="'
. htmlspecialchars($ns->url)
. '" rel="nofollow">'
. htmlspecialchars($ns->name)
. '</a>';
}
}
}
// favorite and repeated
if (!empty($cur)) {
$noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
$cp = $cur->getProfile();
$noticeInfoAttr['repeated'] = ($cp->hasRepeated($this->id)) ? "true" : "false";
}
if (!empty($this->repeat_of)) {
$noticeInfoAttr['repeat_of'] = $this->repeat_of;
}
return array('statusnet:notice_info', $noticeInfoAttr, null);
}
/**
* Returns an XML string fragment with a reference to a notice as an
* Activity Streams noun object with the given element type.
*
* Assumes that 'activity' namespace has been previously defined.
*
* @param string $element one of 'subject', 'object', 'target'
* @return string
*/
function asActivityNoun($element)
{
$noun = ActivityObject::fromNotice($this);
return $noun->asString('activity:' . $element);
}
function bestUrl()
{
if (!empty($this->url)) {
return $this->url;
} else if (!empty($this->uri) && preg_match('/^https?:/', $this->uri)) {
return $this->uri;
} else {
return common_local_url('shownotice',
array('notice' => $this->id));
}
}
/**
* Determine which notice, if any, a new notice is in reply to.
*
* For conversation tracking, we try to see where this notice fits
* in the tree. Rough algorithm is:
*
* if (reply_to is set and valid) {
* return reply_to;
* } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
* return ID of last notice by initial @name in content;
* }
*
* Note that all @nickname instances will still be used to save "reply" records,
* so the notice shows up in the mentioned users' "replies" tab.
*
* @param integer $reply_to ID passed in by Web or API
* @param integer $profile_id ID of author
* @param string $source Source tag, like 'web' or 'gwibber'
* @param string $content Final notice content
*
* @return integer ID of replied-to notice, or null for not a reply.
*/
static function getReplyTo($reply_to, $profile_id, $source, $content)
{
static $lb = array('xmpp', 'mail', 'sms', 'omb');
// If $reply_to is specified, we check that it exists, and then
// return it if it does
if (!empty($reply_to)) {
$reply_notice = Notice::staticGet('id', $reply_to);
if (!empty($reply_notice)) {
return $reply_notice;
}
}
// If it's not a "low bandwidth" source (one where you can't set
// a reply_to argument), we return. This is mostly web and API
// clients.
if (!in_array($source, $lb)) {
return null;
}
// Is there an initial @ or T?
if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
$nickname = common_canonical_nickname($match[1]);
} else {
return null;
}
// Figure out who that is.
$sender = Profile::staticGet('id', $profile_id);
if (empty($sender)) {
return null;
}
$recipient = common_relative_profile($sender, $nickname, common_sql_now());
if (empty($recipient)) {
return null;
}
// Get their last notice
$last = $recipient->getCurrentNotice();
if (!empty($last)) {
return $last;
}
return null;
}
static function maxContent()
{
$contentlimit = common_config('notice', 'contentlimit');
// null => use global limit (distinct from 0!)
if (is_null($contentlimit)) {
$contentlimit = common_config('site', 'textlimit');
}
return $contentlimit;
}
static function contentTooLong($content)
{
$contentlimit = self::maxContent();
return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
}
function getLocation()
{
$location = null;
if (!empty($this->location_id) && !empty($this->location_ns)) {
$location = Location::fromId($this->location_id, $this->location_ns);
}
if (is_null($location)) { // no ID, or Location::fromId() failed
if (!empty($this->lat) && !empty($this->lon)) {
$location = Location::fromLatLon($this->lat, $this->lon);
}
}
return $location;
}
/**
* Convenience function for posting a repeat of an existing message.
*
* @param int $repeater_id: profile ID of user doing the repeat
* @param string $source: posting source key, eg 'web', 'api', etc
* @return Notice
*
* @throws Exception on failure or permission problems
*/
function repeat($repeater_id, $source)
{
$author = Profile::staticGet('id', $this->profile_id);
// TRANS: Message used to repeat a notice. RT is the abbreviation of 'retweet'.
// TRANS: %1$s is the repeated user's name, %2$s is the repeated notice.
$content = sprintf(_('RT @%1$s %2$s'),
$author->nickname,
$this->content);
$maxlen = common_config('site', 'textlimit');
if ($maxlen > 0 && mb_strlen($content) > $maxlen) {
// Web interface and current Twitter API clients will
// pull the original notice's text, but some older
// clients and RSS/Atom feeds will see this trimmed text.
//
// Unfortunately this is likely to lose tags or URLs
// at the end of long notices.
$content = mb_substr($content, 0, $maxlen - 4) . ' ...';
}
// Scope is same as this one's
return self::saveNew($repeater_id,
$content,
$source,
array('repeat_of' => $this->id,
'scope' => $this->scope));
}
// These are supposed to be in chron order!
function repeatStream($limit=100)
{
$cache = Cache::instance();
if (empty($cache)) {
$ids = $this->_repeatStreamDirect($limit);
} else {
$idstr = $cache->get(Cache::key('notice:repeats:'.$this->id));
if ($idstr !== false) {
if (empty($idstr)) {
$ids = array();
} else {
$ids = explode(',', $idstr);
}
} else {
$ids = $this->_repeatStreamDirect(100);
$cache->set(Cache::key('notice:repeats:'.$this->id), implode(',', $ids));
}
if ($limit < 100) {
// We do a max of 100, so slice down to limit
$ids = array_slice($ids, 0, $limit);
}
}
return NoticeStream::getStreamByIds($ids);
}
function _repeatStreamDirect($limit)
{
$notice = new Notice();
$notice->selectAdd(); // clears it
$notice->selectAdd('id');
$notice->repeat_of = $this->id;
$notice->orderBy('created, id'); // NB: asc!
if (!is_null($limit)) {
$notice->limit(0, $limit);
}
return $notice->fetchAll('id');
}
function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
{
$options = array();
if (!empty($location_id) && !empty($location_ns)) {
$options['location_id'] = $location_id;
$options['location_ns'] = $location_ns;
$location = Location::fromId($location_id, $location_ns);
if (!empty($location)) {
$options['lat'] = $location->lat;
$options['lon'] = $location->lon;
}
} else if (!empty($lat) && !empty($lon)) {
$options['lat'] = $lat;
$options['lon'] = $lon;
$location = Location::fromLatLon($lat, $lon);
if (!empty($location)) {
$options['location_id'] = $location->location_id;
$options['location_ns'] = $location->location_ns;
}
} else if (!empty($profile)) {
if (isset($profile->lat) && isset($profile->lon)) {
$options['lat'] = $profile->lat;
$options['lon'] = $profile->lon;
}
if (isset($profile->location_id) && isset($profile->location_ns)) {
$options['location_id'] = $profile->location_id;
$options['location_ns'] = $profile->location_ns;
}
}
return $options;
}
function clearReplies()
{
$replyNotice = new Notice();
$replyNotice->reply_to = $this->id;
//Null any notices that are replies to this notice
if ($replyNotice->find()) {
while ($replyNotice->fetch()) {
$orig = clone($replyNotice);
$replyNotice->reply_to = null;
$replyNotice->update($orig);
}
}
// Reply records
$reply = new Reply();
$reply->notice_id = $this->id;
if ($reply->find()) {
while($reply->fetch()) {
self::blow('reply:stream:%d', $reply->profile_id);
$reply->delete();
}
}
$reply->free();
}
function clearFiles()
{
$f2p = new File_to_post();
$f2p->post_id = $this->id;
if ($f2p->find()) {
while ($f2p->fetch()) {
$f2p->delete();
}
}
// FIXME: decide whether to delete File objects
// ...and related (actual) files
}
function clearRepeats()
{
$repeatNotice = new Notice();
$repeatNotice->repeat_of = $this->id;
//Null any notices that are repeats of this notice
if ($repeatNotice->find()) {
while ($repeatNotice->fetch()) {
$orig = clone($repeatNotice);
$repeatNotice->repeat_of = null;
$repeatNotice->update($orig);
}
}
}
function clearFaves()
{
$fave = new Fave();
$fave->notice_id = $this->id;
if ($fave->find()) {
while ($fave->fetch()) {
self::blow('fave:ids_by_user_own:%d', $fave->user_id);
self::blow('fave:ids_by_user_own:%d;last', $fave->user_id);
self::blow('fave:ids_by_user:%d', $fave->user_id);
self::blow('fave:ids_by_user:%d;last', $fave->user_id);
$fave->delete();
}
}
$fave->free();
}
function clearTags()
{
$tag = new Notice_tag();
$tag->notice_id = $this->id;
if ($tag->find()) {
while ($tag->fetch()) {
self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, Cache::keyize($tag->tag));
self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, Cache::keyize($tag->tag));
self::blow('notice_tag:notice_ids:%s', Cache::keyize($tag->tag));
self::blow('notice_tag:notice_ids:%s;last', Cache::keyize($tag->tag));
$tag->delete();
}
}
$tag->free();
}
function clearGroupInboxes()
{
$gi = new Group_inbox();
$gi->notice_id = $this->id;
if ($gi->find()) {
while ($gi->fetch()) {
self::blow('user_group:notice_ids:%d', $gi->group_id);
$gi->delete();
}
}
$gi->free();
}
function distribute()
{
// We always insert for the author so they don't
// have to wait
Event::handle('StartNoticeDistribute', array($this));
$user = User::staticGet('id', $this->profile_id);
if (!empty($user)) {
Inbox::insertNotice($user->id, $this->id);
}
if (common_config('queue', 'inboxes')) {
// If there's a failure, we want to _force_
// distribution at this point.
try {
$qm = QueueManager::get();
$qm->enqueue($this, 'distrib');
} catch (Exception $e) {
// If the exception isn't transient, this
// may throw more exceptions as DQH does
// its own enqueueing. So, we ignore them!
try {
$handler = new DistribQueueHandler();
$handler->handle($this);
} catch (Exception $e) {
common_log(LOG_ERR, "emergency redistribution resulted in " . $e->getMessage());
}
// Re-throw so somebody smarter can handle it.
throw $e;
}
} else {
$handler = new DistribQueueHandler();
$handler->handle($this);
}
}
function insert()
{
$result = parent::insert();
if ($result) {
// Profile::hasRepeated() abuses pkeyGet(), so we
// have to clear manually
if (!empty($this->repeat_of)) {
$c = self::memcache();
if (!empty($c)) {
$ck = self::multicacheKey('Notice',
array('profile_id' => $this->profile_id,
'repeat_of' => $this->repeat_of));
$c->delete($ck);
}
}
}
return $result;
}
/**
* Get the source of the notice
*
* @return Notice_source $ns A notice source object. 'code' is the only attribute
* guaranteed to be populated.
*/
function getSource()
{
$ns = new Notice_source();
if (!empty($this->source)) {
switch ($this->source) {
case 'web':
case 'xmpp':
case 'mail':
case 'omb':
case 'system':
case 'api':
$ns->code = $this->source;
break;
default:
$ns = Notice_source::staticGet($this->source);
if (!$ns) {
$ns = new Notice_source();
$ns->code = $this->source;
$app = Oauth_application::staticGet('name', $this->source);
if ($app) {
$ns->name = $app->name;
$ns->url = $app->source_url;
}
}
break;
}
}
return $ns;
}
/**
* Determine whether the notice was locally created
*
* @return boolean locality
*/
public function isLocal()
{
return ($this->is_local == Notice::LOCAL_PUBLIC ||
$this->is_local == Notice::LOCAL_NONPUBLIC);
}
/**
* Get the list of hash tags saved with this notice.
*
* @return array of strings
*/
public function getTags()
{
$tags = array();
$keypart = sprintf('notice:tags:%d', $this->id);
$tagstr = self::cacheGet($keypart);
if ($tagstr !== false) {
$tags = explode(',', $tagstr);
} else {
$tag = new Notice_tag();
$tag->notice_id = $this->id;
if ($tag->find()) {
while ($tag->fetch()) {
$tags[] = $tag->tag;
}
}
self::cacheSet($keypart, implode(',', $tags));
}
return $tags;
}
static private function utcDate($dt)
{
$dateStr = date('d F Y H:i:s', strtotime($dt));
$d = new DateTime($dateStr, new DateTimeZone('UTC'));
return $d->format(DATE_W3C);
}
/**
* Look up the creation timestamp for a given notice ID, even
* if it's been deleted.
*
* @param int $id
* @return mixed string recorded creation timestamp, or false if can't be found
*/
public static function getAsTimestamp($id)
{
if (!$id) {
return false;
}
$notice = Notice::staticGet('id', $id);
if ($notice) {
return $notice->created;
}
$deleted = Deleted_notice::staticGet('id', $id);
if ($deleted) {
return $deleted->created;
}
return false;
}
/**
* Build an SQL 'where' fragment for timestamp-based sorting from a since_id
* parameter, matching notices posted after the given one (exclusive).
*
* If the referenced notice can't be found, will return false.
*
* @param int $id
* @param string $idField
* @param string $createdField
* @return mixed string or false if no match
*/
public static function whereSinceId($id, $idField='id', $createdField='created')
{
$since = Notice::getAsTimestamp($id);
if ($since) {
return sprintf("($createdField = '%s' and $idField > %d) or ($createdField > '%s')", $since, $id, $since);
}
return false;
}
/**
* Build an SQL 'where' fragment for timestamp-based sorting from a since_id
* parameter, matching notices posted after the given one (exclusive), and
* if necessary add it to the data object's query.
*
* @param DB_DataObject $obj
* @param int $id
* @param string $idField
* @param string $createdField
* @return mixed string or false if no match
*/
public static function addWhereSinceId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
{
$since = self::whereSinceId($id, $idField, $createdField);
if ($since) {
$obj->whereAdd($since);
}
}
/**
* Build an SQL 'where' fragment for timestamp-based sorting from a max_id
* parameter, matching notices posted before the given one (inclusive).
*
* If the referenced notice can't be found, will return false.
*
* @param int $id
* @param string $idField
* @param string $createdField
* @return mixed string or false if no match
*/
public static function whereMaxId($id, $idField='id', $createdField='created')
{
$max = Notice::getAsTimestamp($id);
if ($max) {
return sprintf("($createdField < '%s') or ($createdField = '%s' and $idField <= %d)", $max, $max, $id);
}
return false;
}
/**
* Build an SQL 'where' fragment for timestamp-based sorting from a max_id
* parameter, matching notices posted before the given one (inclusive), and
* if necessary add it to the data object's query.
*
* @param DB_DataObject $obj
* @param int $id
* @param string $idField
* @param string $createdField
* @return mixed string or false if no match
*/
public static function addWhereMaxId(DB_DataObject $obj, $id, $idField='id', $createdField='created')
{
$max = self::whereMaxId($id, $idField, $createdField);
if ($max) {
$obj->whereAdd($max);
}
}
function isPublic()
{
if (common_config('public', 'localonly')) {
return ($this->is_local == Notice::LOCAL_PUBLIC);
} else {
return (($this->is_local != Notice::LOCAL_NONPUBLIC) &&
($this->is_local != Notice::GATEWAY));
}
}
/**
* Check that the given profile is allowed to read, respond to, or otherwise
* act on this notice.
*
* The $scope member is a bitmask of scopes, representing a logical AND of the
* scope requirement. So, 0x03 (Notice::ADDRESSEE_SCOPE | Notice::SITE_SCOPE) means
* "only visible to people who are mentioned in the notice AND are users on this site."
* Users on the site who are not mentioned in the notice will not be able to see the
* notice.
*
* @param Profile $profile The profile to check; pass null to check for public/unauthenticated users.
*
* @return boolean whether the profile is in the notice's scope
*/
function inScope($profile)
{
if (is_null($profile)) {
$keypart = sprintf('notice:in-scope-for:%d:null', $this->id);
} else {
$keypart = sprintf('notice:in-scope-for:%d:%d', $this->id, $profile->id);
}
$result = self::cacheGet($keypart);
if ($result === false) {
$bResult = $this->_inScope($profile);
$result = ($bResult) ? 1 : 0;
self::cacheSet($keypart, $result, 0, 300);
}
return ($result == 1) ? true : false;
}
protected function _inScope($profile)
{
if (!is_null($this->scope)) {
$scope = $this->scope;
} else {
$scope = self::defaultScope();
}
// If there's no scope, anyone (even anon) is in scope.
if ($scope == 0) {
return true;
}
// If there's scope, anon cannot be in scope
if (empty($profile)) {
return false;
}
// Author is always in scope
if ($this->profile_id == $profile->id) {
return true;
}
// Only for users on this site
if ($scope & Notice::SITE_SCOPE) {
$user = $profile->getUser();
if (empty($user)) {
return false;
}
}
// Only for users mentioned in the notice
if ($scope & Notice::ADDRESSEE_SCOPE) {
$repl = Reply::pkeyGet(array('notice_id' => $this->id,
'profile_id' => $profile->id));
if (empty($repl)) {
return false;
}
}
// Only for members of the given group
if ($scope & Notice::GROUP_SCOPE) {
// XXX: just query for the single membership
$groups = $this->getGroups();
$foundOne = false;
foreach ($groups as $group) {
if ($profile->isMember($group)) {
$foundOne = true;
break;
}
}
if (!$foundOne) {
return false;
}
}
// Only for followers of the author
if ($scope & Notice::FOLLOWER_SCOPE) {
$author = $this->getProfile();
if (!Subscription::exists($profile, $author)) {
return false;
}
}
return true;
}
static function groupsFromText($text, $profile)
{
$groups = array();
/* extract all !group */
$count = preg_match_all('/(?:^|\s)!(' . Nickname::DISPLAY_FMT . ')/',
strtolower($text),
$match);
if (!$count) {
return $groups;
}
foreach (array_unique($match[1]) as $nickname) {
$group = User_group::getForNickname($nickname, $profile);
if (!empty($group) && $profile->isMember($group)) {
$groups[] = $group->id;
}
}
return $groups;
}
protected $_original = -1;
function getOriginal()
{
if (is_int($this->_original) && $this->_original == -1) {
if (empty($this->reply_to)) {
$this->_original = null;
} else {
$this->_original = Notice::staticGet('id', $this->reply_to);
}
}
return $this->_original;
}
/**
* Magic function called at serialize() time.
*
* We use this to drop a couple process-specific references
* from DB_DataObject which can cause trouble in future
* processes.
*
* @return array of variable names to include in serialization.
*/
function __sleep()
{
$vars = parent::__sleep();
$skip = array('_original', '_profile', '_groups', '_attachments', '_faves', '_replies', '_repeats');
return array_diff($vars, $skip);
}
static function defaultScope()
{
$scope = common_config('notice', 'defaultscope');
if (is_null($scope)) {
if (common_config('site', 'private')) {
$scope = 1;
} else {
$scope = 0;
}
}
return $scope;
}
static function fillProfiles($notices)
{
$map = self::getProfiles($notices);
foreach ($notices as $notice) {
if (array_key_exists($notice->profile_id, $map)) {
$notice->_setProfile($map[$notice->profile_id]);
}
}
return array_values($map);
}
static function getProfiles(&$notices)
{
$ids = array();
foreach ($notices as $notice) {
$ids[] = $notice->profile_id;
}
$ids = array_unique($ids);
return Memcached_DataObject::pivotGet('Profile', 'id', $ids);
}
static function fillGroups(&$notices)
{
$ids = self::_idsOf($notices);
$gis = Memcached_DataObject::listGet('Group_inbox', 'notice_id', $ids);
$gids = array();
foreach ($gis as $id => $gi)
{
foreach ($gi as $g)
{
$gids[] = $g->group_id;
}
}
$gids = array_unique($gids);
$group = Memcached_DataObject::pivotGet('User_group', 'id', $gids);
foreach ($notices as $notice)
{
$grps = array();
$gi = $gis[$notice->id];
foreach ($gi as $g) {
$grps[] = $group[$g->group_id];
}
$notice->_setGroups($grps);
}
}
static function _idsOf(&$notices)
{
$ids = array();
foreach ($notices as $notice) {
$ids[] = $notice->id;
}
$ids = array_unique($ids);
return $ids;
}
static function fillAttachments(&$notices)
{
$ids = self::_idsOf($notices);
$f2pMap = Memcached_DataObject::listGet('File_to_post', 'post_id', $ids);
$fileIds = array();
foreach ($f2pMap as $noticeId => $f2ps) {
foreach ($f2ps as $f2p) {
$fileIds[] = $f2p->file_id;
}
}
$fileIds = array_unique($fileIds);
$fileMap = Memcached_DataObject::pivotGet('File', 'id', $fileIds);
foreach ($notices as $notice)
{
$files = array();
$f2ps = $f2pMap[$notice->id];
foreach ($f2ps as $f2p) {
$files[] = $fileMap[$f2p->file_id];
}
$notice->_setAttachments($files);
}
}
protected $_faves;
/**
* All faves of this notice
*
* @return array Array of Fave objects
*/
function getFaves()
{
if (isset($this->_faves) && is_array($this->_faves)) {
return $this->_faves;
}
$faveMap = Memcached_DataObject::listGet('Fave', 'notice_id', array($this->id));
$this->_faves = $faveMap[$this->id];
return $this->_faves;
}
function _setFaves($faves)
{
$this->_faves = $faves;
}
static function fillFaves(&$notices)
{
$ids = self::_idsOf($notices);
$faveMap = Memcached_DataObject::listGet('Fave', 'notice_id', $ids);
$cnt = 0;
$faved = array();
foreach ($faveMap as $id => $faves) {
$cnt += count($faves);
if (count($faves) > 0) {
$faved[] = $id;
}
}
foreach ($notices as $notice) {
$faves = $faveMap[$notice->id];
$notice->_setFaves($faves);
}
}
static function fillReplies(&$notices)
{
$ids = self::_idsOf($notices);
$replyMap = Memcached_DataObject::listGet('Reply', 'notice_id', $ids);
foreach ($notices as $notice) {
$replies = $replyMap[$notice->id];
$ids = array();
foreach ($replies as $reply) {
$ids[] = $reply->profile_id;
}
$notice->_setReplies($ids);
}
}
protected $_repeats;
function getRepeats()
{
if (isset($this->_repeats) && is_array($this->_repeats)) {
return $this->_repeats;
}
$repeatMap = Memcached_DataObject::listGet('Notice', 'repeat_of', array($this->id));
$this->_repeats = $repeatMap[$this->id];
return $this->_repeats;
}
function _setRepeats($repeats)
{
$this->_repeats = $repeats;
}
static function fillRepeats(&$notices)
{
$ids = self::_idsOf($notices);
$repeatMap = Memcached_DataObject::listGet('Notice', 'repeat_of', $ids);
foreach ($notices as $notice) {
$repeats = $repeatMap[$notice->id];
$notice->_setRepeats($repeats);
}
}
}