diff options
author | Evan Prodromou <evan@controlyourself.ca> | 2009-01-08 20:56:09 +0000 |
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committer | Evan Prodromou <evan@controlyourself.ca> | 2009-01-08 20:56:09 +0000 |
commit | 07e9e2dc3241eef1b803e655a5273f79cb758806 (patch) | |
tree | 0846f3e3cbefd39041e580bffbc7556eb7f45c93 /_darcs/pristine/classes/Notice.php | |
parent | e67affdbbcdcaa9f43750389922b802d0b425ddb (diff) |
Remove _darcs from git repository
Not sure how or why this got in there.
Diffstat (limited to '_darcs/pristine/classes/Notice.php')
-rw-r--r-- | _darcs/pristine/classes/Notice.php | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/_darcs/pristine/classes/Notice.php b/_darcs/pristine/classes/Notice.php deleted file mode 100644 index 3eb653066..000000000 --- a/_darcs/pristine/classes/Notice.php +++ /dev/null @@ -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; - } - -} - |