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-rw-r--r--_darcs/pristine/classes/Notice.php553
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diff --git a/_darcs/pristine/classes/Notice.php b/_darcs/pristine/classes/Notice.php
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--- a/_darcs/pristine/classes/Notice.php
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@@ -1,553 +0,0 @@
-<?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, 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/>.
- */
-
-if (!defined('LACONICA')) { exit(1); }
-
-/**
- * Table Definition for notice
- */
-require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
-
-/* We keep the first three 20-notice pages, plus one for pagination check,
- * in the memcached cache. */
-
-define('NOTICE_CACHE_WINDOW', 61);
-
-class Notice extends Memcached_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) not_null
- public $uri; // varchar(255) unique_key
- public $content; // varchar(140)
- public $rendered; // text()
- public $url; // varchar(255)
- public $created; // datetime() not_null
- public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
- public $reply_to; // int(4)
- public $is_local; // tinyint(1)
- public $source; // varchar(32)
-
- /* Static get */
- function staticGet($k,$v=null)
- { return Memcached_DataObject::staticGet('Notice',$k,$v); }
-
- /* the code above is auto generated do not remove the tag below */
- ###END_AUTOCODE
-
- function getProfile()
- {
- return Profile::staticGet('id', $this->profile_id);
- }
-
- function delete()
- {
- $this->blowCaches(true);
- $this->blowFavesCache(true);
- $this->blowInboxes();
- return parent::delete();
- }
-
- function saveTags()
- {
- /* extract all #hastags */
- $count = preg_match_all('/(?:^|\s)#([A-Za-z0-9_\-\.]{1,64})/', strtolower($this->content), $match);
- if (!$count) {
- return true;
- }
-
- /* elide characters we don't want in the tag */
- $match[1] = str_replace(array('-', '_', '.'), '', $match[1]);
-
- /* Add them to the database */
- foreach(array_unique($match[1]) as $hashtag) {
- $tag = DB_DataObject::factory('Notice_tag');
- $tag->notice_id = $this->id;
- $tag->tag = $hashtag;
- $tag->created = $this->created;
- $id = $tag->insert();
- if (!$id) {
- $last_error = PEAR::getStaticProperty('DB_DataObject','lastError');
- common_log(LOG_ERR, 'DB error inserting hashtag: ' . $last_error->message);
- common_server_error(sprintf(_('DB error inserting hashtag: %s'), $last_error->message));
- return;
- }
- }
- return true;
- }
-
- static function saveNew($profile_id, $content, $source=null, $is_local=1, $reply_to=null, $uri=null) {
-
- $profile = Profile::staticGet($profile_id);
-
- if (!$profile) {
- common_log(LOG_ERR, 'Problem saving notice. Unknown user.');
- return _('Problem saving notice. Unknown user.');
- }
-
- if (common_config('throttle', 'enabled') && !Notice::checkEditThrottle($profile_id)) {
- common_log(LOG_WARNING, 'Excessive posting by profile #' . $profile_id . '; throttled.');
- return _('Too many notices too fast; take a breather and post again in a few minutes.');
- }
-
- $banned = common_config('profile', 'banned');
-
- if ( in_array($profile_id, $banned) || in_array($profile->nickname, $banned)) {
- common_log(LOG_WARNING, "Attempted post from banned user: $profile->nickname (user id = $profile_id).");
- return _('You are banned from posting notices on this site.');
- }
-
- $notice = new Notice();
- $notice->profile_id = $profile_id;
-
- $blacklist = common_config('public', 'blacklist');
-
- # Blacklisted are non-false, but not 1, either
-
- if ($blacklist && in_array($profile_id, $blacklist)) {
- $notice->is_local = -1;
- } else {
- $notice->is_local = $is_local;
- }
-
- $notice->reply_to = $reply_to;
- $notice->created = common_sql_now();
- $notice->content = common_shorten_links($content);
- $notice->rendered = common_render_content($notice->content, $notice);
- $notice->source = $source;
- $notice->uri = $uri;
-
- $id = $notice->insert();
-
- if (!$id) {
- common_log_db_error($notice, 'INSERT', __FILE__);
- return _('Problem saving notice.');
- }
-
- # Update the URI after the notice is in the database
- if (!$uri) {
- $orig = clone($notice);
- $notice->uri = common_notice_uri($notice);
-
- if (!$notice->update($orig)) {
- common_log_db_error($notice, 'UPDATE', __FILE__);
- return _('Problem saving notice.');
- }
- }
-
- # XXX: do we need to change this for remote users?
-
- common_save_replies($notice);
- $notice->saveTags();
-
- # Clear the cache for subscribed users, so they'll update at next request
- # XXX: someone clever could prepend instead of clearing the cache
-
- if (common_config('memcached', 'enabled')) {
- $notice->blowCaches();
- }
-
- $notice->addToInboxes();
- return $notice;
- }
-
- static function checkEditThrottle($profile_id) {
- $profile = Profile::staticGet($profile_id);
- if (!$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;
- }
-
- function blowCaches($blowLast=false)
- {
- $this->blowSubsCache($blowLast);
- $this->blowNoticeCache($blowLast);
- $this->blowRepliesCache($blowLast);
- $this->blowPublicCache($blowLast);
- $this->blowTagCache($blowLast);
- }
-
- function blowTagCache($blowLast=false)
- {
- $cache = common_memcache();
- if ($cache) {
- $tag = new Notice_tag();
- $tag->notice_id = $this->id;
- if ($tag->find()) {
- while ($tag->fetch()) {
- $cache->delete(common_cache_key('notice_tag:notice_stream:' . $tag->tag));
- if ($blowLast) {
- $cache->delete(common_cache_key('notice_tag:notice_stream:' . $tag->tag . ';last'));
- }
- }
- }
- $tag->free();
- unset($tag);
- }
- }
-
- function blowSubsCache($blowLast=false)
- {
- $cache = common_memcache();
- if ($cache) {
- $user = new User();
-
- $user->query('SELECT id ' .
- 'FROM user JOIN subscription ON user.id = subscription.subscriber ' .
- 'WHERE subscription.subscribed = ' . $this->profile_id);
-
- while ($user->fetch()) {
- $cache->delete(common_cache_key('user:notices_with_friends:' . $user->id));
- if ($blowLast) {
- $cache->delete(common_cache_key('user:notices_with_friends:' . $user->id . ';last'));
- }
- }
- $user->free();
- unset($user);
- }
- }
-
- function blowNoticeCache($blowLast=false)
- {
- if ($this->is_local) {
- $cache = common_memcache();
- if ($cache) {
- $cache->delete(common_cache_key('profile:notices:'.$this->profile_id));
- if ($blowLast) {
- $cache->delete(common_cache_key('profile:notices:'.$this->profile_id.';last'));
- }
- }
- }
- }
-
- function blowRepliesCache($blowLast=false)
- {
- $cache = common_memcache();
- if ($cache) {
- $reply = new Reply();
- $reply->notice_id = $this->id;
- if ($reply->find()) {
- while ($reply->fetch()) {
- $cache->delete(common_cache_key('user:replies:'.$reply->profile_id));
- if ($blowLast) {
- $cache->delete(common_cache_key('user:replies:'.$reply->profile_id.';last'));
- }
- }
- }
- $reply->free();
- unset($reply);
- }
- }
-
- function blowPublicCache($blowLast=false)
- {
- if ($this->is_local == 1) {
- $cache = common_memcache();
- if ($cache) {
- $cache->delete(common_cache_key('public'));
- if ($blowLast) {
- $cache->delete(common_cache_key('public').';last');
- }
- }
- }
- }
-
- function blowFavesCache($blowLast=false)
- {
- $cache = common_memcache();
- if ($cache) {
- $fave = new Fave();
- $fave->notice_id = $this->id;
- if ($fave->find()) {
- while ($fave->fetch()) {
- $cache->delete(common_cache_key('user:faves:'.$fave->user_id));
- if ($blowLast) {
- $cache->delete(common_cache_key('user:faves:'.$fave->user_id.';last'));
- }
- }
- }
- $fave->free();
- unset($fave);
- }
- }
-
- # XXX: too many args; we need to move to named params or even a separate
- # class for notice streams
-
- static function getStream($qry, $cachekey, $offset=0, $limit=20, $since_id=0, $before_id=0, $order=null, $since=null) {
-
- if (common_config('memcached', 'enabled')) {
-
- # Skip the cache if this is a since, since_id or before_id qry
- if ($since_id > 0 || $before_id > 0 || $since) {
- return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $before_id, $order, $since);
- } else {
- return Notice::getCachedStream($qry, $cachekey, $offset, $limit, $order);
- }
- }
-
- return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $before_id, $order, $since);
- }
-
- static function getStreamDirect($qry, $offset, $limit, $since_id, $before_id, $order, $since) {
-
- $needAnd = false;
- $needWhere = true;
-
- if (preg_match('/\bWHERE\b/i', $qry)) {
- $needWhere = false;
- $needAnd = true;
- }
-
- if ($since_id > 0) {
-
- if ($needWhere) {
- $qry .= ' WHERE ';
- $needWhere = false;
- } else {
- $qry .= ' AND ';
- }
-
- $qry .= ' notice.id > ' . $since_id;
- }
-
- if ($before_id > 0) {
-
- if ($needWhere) {
- $qry .= ' WHERE ';
- $needWhere = false;
- } else {
- $qry .= ' AND ';
- }
-
- $qry .= ' notice.id < ' . $before_id;
- }
-
- if ($since) {
-
- if ($needWhere) {
- $qry .= ' WHERE ';
- $needWhere = false;
- } else {
- $qry .= ' AND ';
- }
-
- $qry .= ' notice.created > \'' . date('Y-m-d H:i:s', $since) . '\'';
- }
-
- # Allow ORDER override
-
- if ($order) {
- $qry .= $order;
- } else {
- $qry .= ' ORDER BY notice.created DESC, notice.id DESC ';
- }
-
- if (common_config('db','type') == 'pgsql') {
- $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
- } else {
- $qry .= ' LIMIT ' . $offset . ', ' . $limit;
- }
-
- $notice = new Notice();
-
- $notice->query($qry);
-
- return $notice;
- }
-
- # XXX: this is pretty long and should probably be broken up into
- # some helper functions
-
- static function getCachedStream($qry, $cachekey, $offset, $limit, $order) {
-
- # If outside our cache window, just go to the DB
-
- if ($offset + $limit > NOTICE_CACHE_WINDOW) {
- return Notice::getStreamDirect($qry, $offset, $limit, null, null, $order, null);
- }
-
- # Get the cache; if we can't, just go to the DB
-
- $cache = common_memcache();
-
- if (!$cache) {
- return Notice::getStreamDirect($qry, $offset, $limit, null, null, $order, null);
- }
-
- # Get the notices out of the cache
-
- $notices = $cache->get(common_cache_key($cachekey));
-
- # On a cache hit, return a DB-object-like wrapper
-
- if ($notices !== false) {
- $wrapper = new NoticeWrapper(array_slice($notices, $offset, $limit));
- return $wrapper;
- }
-
- # If the cache was invalidated because of new data being
- # added, we can try and just get the new stuff. We keep an additional
- # copy of the data at the key + ';last'
-
- # No cache hit. Try to get the *last* cached version
-
- $last_notices = $cache->get(common_cache_key($cachekey) . ';last');
-
- if ($last_notices) {
-
- # Reverse-chron order, so last ID is last.
-
- $last_id = $last_notices[0]->id;
-
- # XXX: this assumes monotonically increasing IDs; a fair
- # bet with our DB.
-
- $new_notice = Notice::getStreamDirect($qry, 0, NOTICE_CACHE_WINDOW,
- $last_id, null, $order, null);
-
- if ($new_notice) {
- $new_notices = array();
- while ($new_notice->fetch()) {
- $new_notices[] = clone($new_notice);
- }
- $new_notice->free();
- $notices = array_slice(array_merge($new_notices, $last_notices),
- 0, NOTICE_CACHE_WINDOW);
-
- # Store the array in the cache for next time
-
- $result = $cache->set(common_cache_key($cachekey), $notices);
- $result = $cache->set(common_cache_key($cachekey) . ';last', $notices);
-
- # return a wrapper of the array for use now
-
- return new NoticeWrapper(array_slice($notices, $offset, $limit));
- }
- }
-
- # Otherwise, get the full cache window out of the DB
-
- $notice = Notice::getStreamDirect($qry, 0, NOTICE_CACHE_WINDOW, null, null, $order, null);
-
- # If there are no hits, just return the value
-
- if (!$notice) {
- return $notice;
- }
-
- # Pack results into an array
-
- $notices = array();
-
- while ($notice->fetch()) {
- $notices[] = clone($notice);
- }
-
- $notice->free();
-
- # Store the array in the cache for next time
-
- $result = $cache->set(common_cache_key($cachekey), $notices);
- $result = $cache->set(common_cache_key($cachekey) . ';last', $notices);
-
- # return a wrapper of the array for use now
-
- $wrapper = new NoticeWrapper(array_slice($notices, $offset, $limit));
-
- return $wrapper;
- }
-
- function publicStream($offset=0, $limit=20, $since_id=0, $before_id=0, $since=null)
- {
-
- $parts = array();
-
- $qry = 'SELECT * FROM notice ';
-
- if (common_config('public', 'localonly')) {
- $parts[] = 'is_local = 1';
- } else {
- # -1 == blacklisted
- $parts[] = 'is_local != -1';
- }
-
- if ($parts) {
- $qry .= ' WHERE ' . implode(' AND ', $parts);
- }
-
- return Notice::getStream($qry,
- 'public',
- $offset, $limit, $since_id, $before_id, null, $since);
- }
-
- function addToInboxes()
- {
- $enabled = common_config('inboxes', 'enabled');
-
- if ($enabled === true || $enabled === 'transitional') {
- $inbox = new Notice_inbox();
- $qry = 'INSERT INTO notice_inbox (user_id, notice_id, created) ' .
- 'SELECT user.id, ' . $this->id . ', "' . $this->created . '" ' .
- 'FROM user JOIN subscription ON user.id = subscription.subscriber ' .
- 'WHERE subscription.subscribed = ' . $this->profile_id . ' ' .
- 'AND NOT EXISTS (SELECT user_id, notice_id ' .
- 'FROM notice_inbox ' .
- 'WHERE user_id = user.id ' .
- 'AND notice_id = ' . $this->id . ' )';
- if ($enabled === 'transitional') {
- $qry .= ' AND user.inboxed = 1';
- }
- $inbox->query($qry);
- }
- return;
- }
-
- # Delete from inboxes if we're deleted.
-
- function blowInboxes()
- {
-
- $enabled = common_config('inboxes', 'enabled');
-
- if ($enabled === true || $enabled === 'transitional') {
- $inbox = new Notice_inbox();
- $inbox->notice_id = $this->id;
- $inbox->delete();
- }
-
- return;
- }
-
-}
-
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-17 12:00:20 +0000