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< ? php
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/*
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* Laconica - a distributed open - source microblogging tool
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* Copyright ( C ) 2008 , 2009 , Control Yourself , Inc .
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*
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* 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 .
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*
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* This program is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
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* GNU Affero General Public License for more details .
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program . If not , see < http :// www . gnu . org / licenses />.
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*/
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if ( ! defined ( 'LACONICA' )) { exit ( 1 ); }
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/**
* Table Definition for notice
*/
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require_once INSTALLDIR . '/classes/Memcached_DataObject.php' ;
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single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
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/* We keep the first three 20 - notice pages , plus one for pagination check ,
* in the memcached cache . */
define ( 'NOTICE_CACHE_WINDOW' , 61 );
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define ( 'MAX_BOXCARS' , 128 );
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class Notice extends Memcached_DataObject
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{
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###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
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public $__table = 'notice' ; // table name
public $id ; // int(4) primary_key not_null
public $profile_id ; // int(4) not_null
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public $uri ; // varchar(255) unique_key
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public $content ; // text()
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public $rendered ; // text()
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public $url ; // varchar(255)
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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)
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public $conversation ; // int(4)
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/* Static get */
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function staticGet ( $k , $v = NULL ) { return Memcached_DataObject :: staticGet ( 'Notice' , $k , $v ); }
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/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
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/* Notice types */
const LOCAL_PUBLIC = 1 ;
const REMOTE_OMB = 0 ;
const LOCAL_NONPUBLIC = - 1 ;
const GATEWAY = - 2 ;
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function getProfile ()
{
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return Profile :: staticGet ( 'id' , $this -> profile_id );
}
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function delete ()
{
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$this -> blowCaches ( true );
$this -> blowFavesCache ( true );
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$this -> blowSubsCache ( true );
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// For auditing purposes, save a record that the notice
// was deleted.
$deleted = new Deleted_notice ();
$deleted -> id = $this -> id ;
$deleted -> profile_id = $this -> profile_id ;
$deleted -> uri = $this -> uri ;
$deleted -> created = $this -> created ;
$deleted -> deleted = common_sql_now ();
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$this -> query ( 'BEGIN' );
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$deleted -> insert ();
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//Null any notices that are replies to this notice
$this -> query ( sprintf ( " UPDATE notice set reply_to = null WHERE reply_to = %d " , $this -> id ));
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$related = array ( 'Reply' ,
'Fave' ,
'Notice_tag' ,
'Group_inbox' ,
'Queue_item' );
if ( common_config ( 'inboxes' , 'enabled' )) {
$related [] = 'Notice_inbox' ;
}
foreach ( $related as $cls ) {
$inst = new $cls ();
$inst -> notice_id = $this -> id ;
$inst -> delete ();
}
$result = parent :: delete ();
$this -> query ( 'COMMIT' );
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}
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function saveTags ()
{
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/* extract all #hastags */
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$count = preg_match_all ( '/(?:^|\s)#([\pL\pN_\-\.]{1,64})/' , strtolower ( $this -> content ), $match );
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if ( ! $count ) {
return true ;
}
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//turn each into their canonical tag
//this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
$hashtags = array ();
for ( $i = 0 ; $i < count ( $match [ 1 ]); $i ++ ) {
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$hashtags [] = common_canonical_tag ( $match [ 1 ][ $i ]);
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}
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/* Add them to the database */
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foreach ( array_unique ( $hashtags ) as $hashtag ) {
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/* elide characters we don't want in the tag */
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$this -> saveTag ( $hashtag );
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}
return true ;
}
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function saveTag ( $hashtag )
{
$tag = new Notice_tag ();
$tag -> notice_id = $this -> id ;
$tag -> tag = $hashtag ;
$tag -> created = $this -> created ;
$id = $tag -> insert ();
if ( ! $id ) {
throw new ServerException ( sprintf ( _ ( 'DB error inserting hashtag: %s' ),
$last_error -> message ));
return ;
}
}
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static function saveNew ( $profile_id , $content , $source = null ,
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$is_local = Notice :: LOCAL_PUBLIC , $reply_to = null , $uri = null , $created = null ) {
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$profile = Profile :: staticGet ( $profile_id );
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$final = common_shorten_links ( $content );
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if ( Notice :: contentTooLong ( $final )) {
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common_log ( LOG_INFO , 'Rejecting notice that is too long.' );
return _ ( 'Problem saving notice. Too long.' );
}
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if ( ! $profile ) {
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common_log ( LOG_ERR , 'Problem saving notice. Unknown user.' );
return _ ( 'Problem saving notice. Unknown user.' );
}
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if ( common_config ( 'throttle' , 'enabled' ) && ! Notice :: checkEditThrottle ( $profile_id )) {
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common_log ( LOG_WARNING , 'Excessive posting by profile #' . $profile_id . '; throttled.' );
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return _ ( 'Too many notices too fast; take a breather and post again in a few minutes.' );
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}
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if ( common_config ( 'site' , 'dupelimit' ) > 0 && ! Notice :: checkDupes ( $profile_id , $final )) {
common_log ( LOG_WARNING , 'Dupe posting by profile #' . $profile_id . '; throttled.' );
return _ ( 'Too many duplicate messages too quickly; take a breather and post again in a few minutes.' );
}
$banned = common_config ( 'profile' , 'banned' );
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if ( in_array ( $profile_id , $banned ) || in_array ( $profile -> nickname , $banned )) {
common_log ( LOG_WARNING , " Attempted post from banned user: $profile->nickname (user id = $profile_id ). " );
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return _ ( 'You are banned from posting notices on this site.' );
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}
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$notice = new Notice ();
$notice -> profile_id = $profile_id ;
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$blacklist = common_config ( 'public' , 'blacklist' );
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$autosource = common_config ( 'public' , 'autosource' );
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# Blacklisted are non-false, but not 1, either
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if (( $blacklist && in_array ( $profile_id , $blacklist )) ||
( $source && $autosource && in_array ( $source , $autosource ))) {
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$notice -> is_local = Notice :: LOCAL_NONPUBLIC ;
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} else {
$notice -> is_local = $is_local ;
}
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if ( ! empty ( $created )) {
$notice -> created = $created ;
} else {
$notice -> created = common_sql_now ();
}
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$notice -> content = $final ;
$notice -> rendered = common_render_content ( $final , $notice );
$notice -> source = $source ;
$notice -> uri = $uri ;
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$notice -> reply_to = self :: getReplyTo ( $reply_to , $profile_id , $source , $final );
if ( ! empty ( $notice -> reply_to )) {
$reply = Notice :: staticGet ( 'id' , $notice -> reply_to );
$notice -> conversation = $reply -> conversation ;
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}
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if ( Event :: handle ( 'StartNoticeSave' , array ( & $notice ))) {
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// XXX: some of these functions write to the DB
$notice -> query ( 'BEGIN' );
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$id = $notice -> insert ();
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if ( ! $id ) {
common_log_db_error ( $notice , 'INSERT' , __FILE__ );
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return _ ( 'Problem saving notice.' );
}
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// Update ID-dependent columns: URI, conversation
$orig = clone ( $notice );
$changed = false ;
if ( empty ( $uri )) {
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$notice -> uri = common_notice_uri ( $notice );
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$changed = true ;
}
// If it's not part of a conversation, it's
// the beginning of a new conversation.
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if ( empty ( $notice -> conversation )) {
$notice -> conversation = $notice -> id ;
$changed = true ;
}
if ( $changed ) {
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if ( ! $notice -> update ( $orig )) {
common_log_db_error ( $notice , 'UPDATE' , __FILE__ );
return _ ( 'Problem saving notice.' );
}
}
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// XXX: do we need to change this for remote users?
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$notice -> saveReplies ();
$notice -> saveTags ();
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$notice -> addToInboxes ();
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$notice -> saveUrls ();
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// FIXME: why do we have to re-render the content?
// Remove this if it's not necessary.
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$orig2 = clone ( $notice );
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$notice -> rendered = common_render_content ( $final , $notice );
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if ( ! $notice -> update ( $orig2 )) {
common_log_db_error ( $notice , 'UPDATE' , __FILE__ );
return _ ( 'Problem saving notice.' );
}
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$notice -> query ( 'COMMIT' );
Event :: handle ( 'EndNoticeSave' , array ( $notice ));
}
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# Clear the cache for subscribed users, so they'll update at next request
# XXX: someone clever could prepend instead of clearing the cache
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$notice -> blowCaches ();
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return $notice ;
}
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
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/** 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 () {
common_replace_urls_callback ( $this -> content , array ( $this , 'saveUrl' ), $this -> id );
}
function saveUrl ( $data ) {
list ( $url , $notice_id ) = $data ;
File :: processNew ( $url , $notice_id );
}
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static function checkDupes ( $profile_id , $content ) {
$profile = Profile :: staticGet ( $profile_id );
if ( ! $profile ) {
return false ;
}
$notice = $profile -> getNotices ( 0 , NOTICE_CACHE_WINDOW );
if ( $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 = $content ;
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if ( common_config ( 'db' , 'type' ) == 'pgsql' )
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$notice -> whereAdd ( 'extract(epoch from now() - created) < ' . common_config ( 'site' , 'dupelimit' ));
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else
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$notice -> whereAdd ( 'now() - created < ' . common_config ( 'site' , 'dupelimit' ));
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$cnt = $notice -> count ();
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return ( $cnt == 0 );
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}
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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 ;
}
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function getUploadedAttachment () {
$post = clone $this ;
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$query = 'select file.url as up, file.id as i from file join file_to_post on file.id = file_id where post_id=' . $post -> escape ( $post -> id ) . ' and url like "%/notice/%/file"' ;
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$post -> query ( $query );
$post -> fetch ();
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if ( empty ( $post -> up ) || empty ( $post -> i )) {
$ret = false ;
} else {
$ret = array ( $post -> up , $post -> i );
}
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$post -> free ();
return $ret ;
}
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function hasAttachments () {
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$post = clone $this ;
$query = " select count(file_id) as n_attachments from file join file_to_post on (file_id = file.id) join notice on (post_id = notice.id) where post_id = " . $post -> escape ( $post -> id );
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$post -> query ( $query );
$post -> fetch ();
$n_attachments = intval ( $post -> n_attachments );
$post -> free ();
return $n_attachments ;
}
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function attachments () {
// XXX: cache this
$att = array ();
$f2p = new File_to_post ;
$f2p -> post_id = $this -> id ;
if ( $f2p -> find ()) {
while ( $f2p -> fetch ()) {
$f = File :: staticGet ( $f2p -> file_id );
$att [] = clone ( $f );
}
}
return $att ;
}
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function blowCaches ( $blowLast = false )
{
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$this -> blowSubsCache ( $blowLast );
$this -> blowNoticeCache ( $blowLast );
$this -> blowRepliesCache ( $blowLast );
$this -> blowPublicCache ( $blowLast );
$this -> blowTagCache ( $blowLast );
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$this -> blowGroupCache ( $blowLast );
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$this -> blowConversationCache ( $blowLast );
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$profile = Profile :: staticGet ( $this -> profile_id );
$profile -> blowNoticeCount ();
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}
function blowConversationCache ( $blowLast = false )
{
$cache = common_memcache ();
if ( $cache ) {
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$ck = common_cache_key ( 'notice:conversation_ids:' . $this -> conversation );
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$cache -> delete ( $ck );
if ( $blowLast ) {
$cache -> delete ( $ck . ';last' );
}
}
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}
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function blowGroupCache ( $blowLast = false )
{
$cache = common_memcache ();
if ( $cache ) {
$group_inbox = new Group_inbox ();
$group_inbox -> notice_id = $this -> id ;
if ( $group_inbox -> find ()) {
while ( $group_inbox -> fetch ()) {
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$cache -> delete ( common_cache_key ( 'user_group:notice_ids:' . $group_inbox -> group_id ));
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if ( $blowLast ) {
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$cache -> delete ( common_cache_key ( 'user_group:notice_ids:' . $group_inbox -> group_id . ';last' ));
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}
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$member = new Group_member ();
$member -> group_id = $group_inbox -> group_id ;
if ( $member -> find ()) {
while ( $member -> fetch ()) {
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$cache -> delete ( common_cache_key ( 'notice_inbox:by_user:' . $member -> profile_id ));
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if ( $blowLast ) {
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$cache -> delete ( common_cache_key ( 'notice_inbox:by_user:' . $member -> profile_id . ';last' ));
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}
}
}
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}
}
$group_inbox -> free ();
unset ( $group_inbox );
}
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}
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function blowTagCache ( $blowLast = false )
{
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$cache = common_memcache ();
if ( $cache ) {
$tag = new Notice_tag ();
$tag -> notice_id = $this -> id ;
if ( $tag -> find ()) {
while ( $tag -> fetch ()) {
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$tag -> blowCache ( $blowLast );
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$ck = 'profile:notice_ids_tagged:' . $this -> profile_id . ':' . $tag -> tag ;
$cache -> delete ( $ck );
if ( $blowLast ) {
$cache -> delete ( $ck . ';last' );
}
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}
}
$tag -> free ();
unset ( $tag );
}
}
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function blowSubsCache ( $blowLast = false )
{
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$cache = common_memcache ();
if ( $cache ) {
$user = new User ();
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$UT = common_config ( 'db' , 'type' ) == 'pgsql' ? '"user"' : 'user' ;
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$user -> query ( 'SELECT id ' .
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" FROM $UT JOIN subscription ON $UT .id = subscription.subscriber " .
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'WHERE subscription.subscribed = ' . $this -> profile_id );
while ( $user -> fetch ()) {
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$cache -> delete ( common_cache_key ( 'notice_inbox:by_user:' . $user -> id ));
2009-06-19 03:45:48 +09:00
$cache -> delete ( common_cache_key ( 'notice_inbox:by_user_own:' . $user -> id ));
2008-12-24 04:19:07 +09:00
if ( $blowLast ) {
2009-04-29 02:31:56 +09:00
$cache -> delete ( common_cache_key ( 'notice_inbox:by_user:' . $user -> id . ';last' ));
2009-06-19 03:45:48 +09:00
$cache -> delete ( common_cache_key ( 'notice_inbox:by_user_own:' . $user -> id . ';last' ));
2008-12-24 04:19:07 +09:00
}
}
$user -> free ();
unset ( $user );
}
}
2008-11-22 21:42:35 +09:00
2008-12-24 04:33:23 +09:00
function blowNoticeCache ( $blowLast = false )
{
2008-12-24 04:19:07 +09:00
if ( $this -> is_local ) {
$cache = common_memcache ();
2009-05-02 03:27:57 +09:00
if ( ! empty ( $cache )) {
$cache -> delete ( common_cache_key ( 'profile:notice_ids:' . $this -> profile_id ));
2008-12-24 04:19:07 +09:00
if ( $blowLast ) {
2009-05-02 03:27:57 +09:00
$cache -> delete ( common_cache_key ( 'profile:notice_ids:' . $this -> profile_id . ';last' ));
2008-12-24 04:19:07 +09:00
}
}
}
}
2008-12-24 04:33:23 +09:00
function blowRepliesCache ( $blowLast = false )
{
2008-12-24 04:19:07 +09:00
$cache = common_memcache ();
if ( $cache ) {
$reply = new Reply ();
$reply -> notice_id = $this -> id ;
if ( $reply -> find ()) {
while ( $reply -> fetch ()) {
2009-04-30 09:45:33 +09:00
$cache -> delete ( common_cache_key ( 'reply:stream:' . $reply -> profile_id ));
2008-12-24 04:19:07 +09:00
if ( $blowLast ) {
2009-04-30 09:45:33 +09:00
$cache -> delete ( common_cache_key ( 'reply:stream:' . $reply -> profile_id . ';last' ));
2008-12-24 04:19:07 +09:00
}
}
}
$reply -> free ();
unset ( $reply );
}
}
2008-12-24 04:33:23 +09:00
function blowPublicCache ( $blowLast = false )
{
2009-08-19 15:34:17 +09:00
if ( $this -> is_local == Notice :: LOCAL_PUBLIC ) {
2008-12-24 04:19:07 +09:00
$cache = common_memcache ();
if ( $cache ) {
$cache -> delete ( common_cache_key ( 'public' ));
if ( $blowLast ) {
$cache -> delete ( common_cache_key ( 'public' ) . ';last' );
}
}
}
}
2008-11-04 14:33:59 +09:00
2008-12-24 04:33:23 +09:00
function blowFavesCache ( $blowLast = false )
{
2008-12-24 04:19:07 +09:00
$cache = common_memcache ();
if ( $cache ) {
$fave = new Fave ();
$fave -> notice_id = $this -> id ;
if ( $fave -> find ()) {
while ( $fave -> fetch ()) {
2009-05-02 04:01:28 +09:00
$cache -> delete ( common_cache_key ( 'fave:ids_by_user:' . $fave -> user_id ));
2009-06-24 05:51:23 +09:00
$cache -> delete ( common_cache_key ( 'fave:by_user_own:' . $fave -> user_id ));
2008-12-24 04:19:07 +09:00
if ( $blowLast ) {
2009-05-02 04:01:28 +09:00
$cache -> delete ( common_cache_key ( 'fave:ids_by_user:' . $fave -> user_id . ';last' ));
2009-06-24 05:51:23 +09:00
$cache -> delete ( common_cache_key ( 'fave:by_user_own:' . $fave -> user_id . ';last' ));
2008-12-24 04:19:07 +09:00
}
}
}
$fave -> free ();
unset ( $fave );
}
}
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
# XXX: too many args; we need to move to named params or even a separate
# class for notice streams
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2009-05-30 08:54:24 +09:00
static function getStream ( $qry , $cachekey , $offset = 0 , $limit = 20 , $since_id = 0 , $max_id = 0 , $order = null , $since = null ) {
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
if ( common_config ( 'memcached' , 'enabled' )) {
2008-11-04 14:33:59 +09:00
2009-05-30 08:54:24 +09:00
# Skip the cache if this is a since, since_id or max_id qry
if ( $since_id > 0 || $max_id > 0 || $since ) {
return Notice :: getStreamDirect ( $qry , $offset , $limit , $since_id , $max_id , $order , $since );
2008-12-24 04:19:07 +09:00
} else {
return Notice :: getCachedStream ( $qry , $cachekey , $offset , $limit , $order );
}
}
2008-11-22 21:42:35 +09:00
2009-05-30 08:54:24 +09:00
return Notice :: getStreamDirect ( $qry , $offset , $limit , $since_id , $max_id , $order , $since );
2008-12-24 04:19:07 +09:00
}
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2009-05-30 08:54:24 +09:00
static function getStreamDirect ( $qry , $offset , $limit , $since_id , $max_id , $order , $since ) {
2008-11-04 14:33:59 +09:00
2008-12-24 04:44:28 +09:00
$needAnd = false ;
$needWhere = true ;
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
if ( preg_match ( '/\bWHERE\b/i' , $qry )) {
2008-12-24 04:44:28 +09:00
$needWhere = false ;
$needAnd = true ;
2008-12-24 04:19:07 +09:00
}
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
if ( $since_id > 0 ) {
2008-09-29 02:14:07 +09:00
2008-12-24 04:19:07 +09:00
if ( $needWhere ) {
$qry .= ' WHERE ' ;
2008-12-24 04:44:28 +09:00
$needWhere = false ;
2008-12-24 04:19:07 +09:00
} else {
$qry .= ' AND ' ;
}
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
$qry .= ' notice.id > ' . $since_id ;
}
2008-11-04 14:33:59 +09:00
2009-05-30 08:54:24 +09:00
if ( $max_id > 0 ) {
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
if ( $needWhere ) {
$qry .= ' WHERE ' ;
2008-12-24 04:44:28 +09:00
$needWhere = false ;
2008-12-24 04:19:07 +09:00
} else {
$qry .= ' AND ' ;
}
2008-11-04 14:33:59 +09:00
2009-05-30 08:54:24 +09:00
$qry .= ' notice.id <= ' . $max_id ;
2008-12-24 04:19:07 +09:00
}
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
if ( $since ) {
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
if ( $needWhere ) {
$qry .= ' WHERE ' ;
2008-12-24 04:44:28 +09:00
$needWhere = false ;
2008-12-24 04:19:07 +09:00
} else {
$qry .= ' AND ' ;
}
2008-11-22 21:41:51 +09:00
2008-12-24 04:19:07 +09:00
$qry .= ' notice.created > \'' . date ( 'Y-m-d H:i:s' , $since ) . '\'' ;
}
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
# Allow ORDER override
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
if ( $order ) {
$qry .= $order ;
} else {
$qry .= ' ORDER BY notice.created DESC, notice.id DESC ' ;
}
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
if ( common_config ( 'db' , 'type' ) == 'pgsql' ) {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset ;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit ;
}
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
$notice = new Notice ();
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
$notice -> query ( $qry );
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
return $notice ;
}
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
# XXX: this is pretty long and should probably be broken up into
# some helper functions
2008-11-22 21:41:51 +09:00
2008-12-24 04:19:07 +09:00
static function getCachedStream ( $qry , $cachekey , $offset , $limit , $order ) {
2008-11-22 21:41:51 +09:00
2008-12-24 04:19:07 +09:00
# If outside our cache window, just go to the DB
2008-11-22 21:41:51 +09:00
2008-12-24 04:19:07 +09:00
if ( $offset + $limit > NOTICE_CACHE_WINDOW ) {
2008-12-24 04:21:29 +09:00
return Notice :: getStreamDirect ( $qry , $offset , $limit , null , null , $order , null );
2008-12-24 04:19:07 +09:00
}
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
# Get the cache; if we can't, just go to the DB
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
$cache = common_memcache ();
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
if ( ! $cache ) {
2008-12-24 04:21:29 +09:00
return Notice :: getStreamDirect ( $qry , $offset , $limit , null , null , $order , null );
2008-12-24 04:19:07 +09:00
}
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
# Get the notices out of the cache
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
$notices = $cache -> get ( common_cache_key ( $cachekey ));
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
# On a cache hit, return a DB-object-like wrapper
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:44:28 +09:00
if ( $notices !== false ) {
2009-01-23 02:48:52 +09:00
$wrapper = new ArrayWrapper ( array_slice ( $notices , $offset , $limit ));
2008-12-24 04:19:07 +09:00
return $wrapper ;
}
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
# 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'
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
# No cache hit. Try to get the *last* cached version
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
$last_notices = $cache -> get ( common_cache_key ( $cachekey ) . ';last' );
2008-09-29 02:14:07 +09:00
2008-12-24 04:19:07 +09:00
if ( $last_notices ) {
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
# Reverse-chron order, so last ID is last.
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
$last_id = $last_notices [ 0 ] -> id ;
2008-10-23 05:56:21 +09:00
2008-12-24 04:19:07 +09:00
# XXX: this assumes monotonically increasing IDs; a fair
# bet with our DB.
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
$new_notice = Notice :: getStreamDirect ( $qry , 0 , NOTICE_CACHE_WINDOW ,
2008-12-24 04:21:29 +09:00
$last_id , null , $order , null );
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
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 );
single function for important streams, with memcached support
I moved the 4 streams for a user (with friends, faves, replies,
personal) into functions on the User object. Added a helper function
in Notice for making notice streams. Also, will fetch notice streams
out of the memcached server, if possible. Made the API, RSS, and HTML
output all use the same streams (hopefully cached).
Added some code to Notice to blow the cache when a notice is posted.
Also, added code to favor and disfavor actions to blow the faves
cache, too.
darcs-hash:20080928120119-5ed1f-ead542348bcd3cf315be6f42934353154402eb16.gz
2008-09-28 21:01:19 +09:00
2008-12-24 04:19:07 +09:00
# Store the array in the cache for next time
2008-10-01 09:12:33 +09:00
2008-12-24 04:19:07 +09:00
$result = $cache -> set ( common_cache_key ( $cachekey ), $notices );
$result = $cache -> set ( common_cache_key ( $cachekey ) . ';last' , $notices );
2008-11-22 21:42:35 +09:00
2008-12-24 04:19:07 +09:00
# return a wrapper of the array for use now
2008-11-04 14:33:59 +09:00
2009-01-23 02:48:52 +09:00
return new ArrayWrapper ( array_slice ( $notices , $offset , $limit ));
2008-12-24 04:19:07 +09:00
}
}
2008-11-14 16:42:11 +09:00
2008-12-24 04:19:07 +09:00
# Otherwise, get the full cache window out of the DB
2008-10-24 05:35:05 +09:00
2008-12-24 04:21:29 +09:00
$notice = Notice :: getStreamDirect ( $qry , 0 , NOTICE_CACHE_WINDOW , null , null , $order , null );
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
# If there are no hits, just return the value
2008-10-24 05:35:05 +09:00
2008-12-24 04:19:07 +09:00
if ( ! $notice ) {
return $notice ;
}
2008-11-14 16:42:11 +09:00
2008-12-24 04:19:07 +09:00
# Pack results into an array
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
$notices = array ();
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
while ( $notice -> fetch ()) {
$notices [] = clone ( $notice );
}
2008-10-24 05:35:05 +09:00
2008-12-24 04:19:07 +09:00
$notice -> free ();
2008-11-04 14:33:59 +09:00
2008-12-24 04:19:07 +09:00
# Store the array in the cache for next time
2008-10-24 05:35:05 +09:00
2008-12-24 04:19:07 +09:00
$result = $cache -> set ( common_cache_key ( $cachekey ), $notices );
$result = $cache -> set ( common_cache_key ( $cachekey ) . ';last' , $notices );
2008-11-14 16:42:11 +09:00
2008-12-24 04:19:07 +09:00
# return a wrapper of the array for use now
2008-11-04 14:33:59 +09:00
2009-01-23 02:48:52 +09:00
$wrapper = new ArrayWrapper ( array_slice ( $notices , $offset , $limit ));
2008-12-24 04:19:07 +09:00
return $wrapper ;
}
2009-04-29 02:07:05 +09:00
function getStreamByIds ( $ids )
{
$cache = common_memcache ();
if ( ! empty ( $cache )) {
$notices = array ();
foreach ( $ids as $id ) {
2009-06-25 18:57:16 +09:00
$n = Notice :: staticGet ( 'id' , $id );
if ( ! empty ( $n )) {
$notices [] = $n ;
}
2009-04-29 02:07:05 +09:00
}
return new ArrayWrapper ( $notices );
} else {
$notice = new Notice ();
$notice -> whereAdd ( 'id in (' . implode ( ', ' , $ids ) . ')' );
$notice -> orderBy ( 'id DESC' );
$notice -> find ();
return $notice ;
}
}
2009-05-30 08:54:24 +09:00
function publicStream ( $offset = 0 , $limit = 20 , $since_id = 0 , $max_id = 0 , $since = null )
2008-12-24 04:33:23 +09:00
{
2009-04-30 01:05:31 +09:00
$ids = Notice :: stream ( array ( 'Notice' , '_publicStreamDirect' ),
array (),
'public' ,
2009-05-30 08:54:24 +09:00
$offset , $limit , $since_id , $max_id , $since );
2008-12-24 04:19:07 +09:00
2009-04-30 01:05:31 +09:00
return Notice :: getStreamByIds ( $ids );
}
2008-12-24 04:19:07 +09:00
2009-05-30 08:54:24 +09:00
function _publicStreamDirect ( $offset = 0 , $limit = 20 , $since_id = 0 , $max_id = 0 , $since = null )
2009-04-30 01:05:31 +09:00
{
$notice = new Notice ();
$notice -> selectAdd (); // clears it
$notice -> selectAdd ( 'id' );
2008-12-24 04:19:07 +09:00
2009-04-30 01:05:31 +09:00
$notice -> orderBy ( 'id DESC' );
if ( ! is_null ( $offset )) {
$notice -> limit ( $offset , $limit );
}
2008-12-24 04:19:07 +09:00
if ( common_config ( 'public' , 'localonly' )) {
2009-08-19 15:34:17 +09:00
$notice -> whereAdd ( 'is_local = ' . Notice :: LOCAL_PUBLIC );
2008-12-24 04:19:07 +09:00
} else {
2009-08-19 15:34:17 +09:00
# -1 == blacklisted, -2 == gateway (i.e. Twitter)
$notice -> whereAdd ( 'is_local !=' . Notice :: LOCAL_NONPUBLIC );
$notice -> whereAdd ( 'is_local !=' . Notice :: GATEWAY );
2009-06-26 01:43:30 +09:00
}
if ( $since_id != 0 ) {
$notice -> whereAdd ( 'id > ' . $since_id );
}
if ( $max_id != 0 ) {
$notice -> whereAdd ( 'id <= ' . $max_id );
}
if ( ! is_null ( $since )) {
$notice -> whereAdd ( 'created > \'' . date ( 'Y-m-d H:i:s' , $since ) . '\'' );
}
$ids = array ();
if ( $notice -> find ()) {
while ( $notice -> fetch ()) {
$ids [] = $notice -> id ;
}
}
$notice -> free ();
$notice = NULL ;
return $ids ;
}
function conversationStream ( $id , $offset = 0 , $limit = 20 , $since_id = 0 , $max_id = 0 , $since = null )
{
$ids = Notice :: stream ( array ( 'Notice' , '_conversationStreamDirect' ),
array ( $id ),
'notice:conversation_ids:' . $id ,
$offset , $limit , $since_id , $max_id , $since );
return Notice :: getStreamByIds ( $ids );
}
function _conversationStreamDirect ( $id , $offset = 0 , $limit = 20 , $since_id = 0 , $max_id = 0 , $since = null )
{
$notice = new Notice ();
$notice -> selectAdd (); // clears it
$notice -> selectAdd ( 'id' );
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$notice -> conversation = $id ;
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$notice -> orderBy ( 'id DESC' );
if ( ! is_null ( $offset )) {
$notice -> limit ( $offset , $limit );
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}
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if ( $since_id != 0 ) {
$notice -> whereAdd ( 'id > ' . $since_id );
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}
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if ( $max_id != 0 ) {
$notice -> whereAdd ( 'id <= ' . $max_id );
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}
if ( ! is_null ( $since )) {
$notice -> whereAdd ( 'created > \'' . date ( 'Y-m-d H:i:s' , $since ) . '\'' );
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}
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$ids = array ();
if ( $notice -> find ()) {
while ( $notice -> fetch ()) {
$ids [] = $notice -> id ;
}
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}
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$notice -> free ();
$notice = NULL ;
return $ids ;
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}
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function addToInboxes ()
{
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$enabled = common_config ( 'inboxes' , 'enabled' );
if ( $enabled === true || $enabled === 'transitional' ) {
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// XXX: loads constants
$inbox = new Notice_inbox ();
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$users = $this -> getSubscribedUsers ();
// FIXME: kind of ignoring 'transitional'...
// we'll probably stop supporting inboxless mode
// in 0.9.x
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$ni = array ();
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foreach ( $users as $id ) {
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$ni [ $id ] = NOTICE_INBOX_SOURCE_SUB ;
}
$groups = $this -> saveGroups ();
foreach ( $groups as $group ) {
$users = $group -> getUserMembers ();
foreach ( $users as $id ) {
if ( ! array_key_exists ( $id , $ni )) {
$ni [ $id ] = NOTICE_INBOX_SOURCE_GROUP ;
}
}
}
$cnt = 0 ;
$qryhdr = 'INSERT INTO notice_inbox (user_id, notice_id, source, created) VALUES ' ;
$qry = $qryhdr ;
foreach ( $ni as $id => $source ) {
if ( $cnt > 0 ) {
$qry .= ', ' ;
}
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$qry .= '(' . $id . ', ' . $this -> id . ', ' . $source . " , ' " . $this -> created . " ') " ;
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$cnt ++ ;
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if ( rand () % NOTICE_INBOX_SOFT_LIMIT == 0 ) {
Notice_inbox :: gc ( $id );
}
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if ( $cnt >= MAX_BOXCARS ) {
$inbox = new Notice_inbox ();
$inbox -> query ( $qry );
$qry = $qryhdr ;
$cnt = 0 ;
}
}
if ( $cnt > 0 ) {
$inbox = new Notice_inbox ();
$inbox -> query ( $qry );
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}
}
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return ;
}
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function getSubscribedUsers ()
{
$user = new User ();
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if ( common_config ( 'db' , 'quote_identifiers' ))
$user_table = '"user"' ;
else $user_table = 'user' ;
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$qry =
'SELECT id ' .
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'FROM ' . $user_table . ' JOIN subscription ' .
'ON ' . $user_table . '.id = subscription.subscriber ' .
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'WHERE subscription.subscribed = %d ' ;
$user -> query ( sprintf ( $qry , $this -> profile_id ));
$ids = array ();
while ( $user -> fetch ()) {
$ids [] = $user -> id ;
}
$user -> free ();
return $ids ;
}
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function saveGroups ()
{
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$groups = array ();
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$enabled = common_config ( 'inboxes' , 'enabled' );
if ( $enabled !== true && $enabled !== 'transitional' ) {
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return $groups ;
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}
/* extract all !group */
$count = preg_match_all ( '/(?:^|\s)!([A-Za-z0-9]{1,64})/' ,
strtolower ( $this -> content ),
$match );
if ( ! $count ) {
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return $groups ;
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}
$profile = $this -> getProfile ();
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/* Add them to the database */
foreach ( array_unique ( $match [ 1 ]) as $nickname ) {
/* XXX: remote groups. */
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$group = User_group :: getForNickname ( $nickname );
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if ( empty ( $group )) {
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continue ;
}
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// we automatically add a tag for every group name, too
$tag = Notice_tag :: pkeyGet ( array ( 'tag' => common_canonical_tag ( $nickname ),
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'notice_id' => $this -> id ));
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if ( is_null ( $tag )) {
$this -> saveTag ( $nickname );
}
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if ( $profile -> isMember ( $group )) {
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$result = $this -> addToGroupInbox ( $group );
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if ( ! $result ) {
common_log_db_error ( $gi , 'INSERT' , __FILE__ );
}
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$groups [] = clone ( $group );
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}
}
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return $groups ;
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}
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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 ;
return $gi -> insert ();
}
return true ;
}
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function saveReplies ()
{
// Alternative reply format
$tname = false ;
if ( preg_match ( '/^T ([A-Z0-9]{1,64}) /' , $this -> content , $match )) {
$tname = $match [ 1 ];
}
// extract all @messages
$cnt = preg_match_all ( '/(?:^|\s)@([a-z0-9]{1,64})/' , $this -> content , $match );
$names = array ();
if ( $cnt || $tname ) {
// XXX: is there another way to make an array copy?
$names = ( $tname ) ? array_unique ( array_merge ( array ( strtolower ( $tname )), $match [ 1 ])) : array_unique ( $match [ 1 ]);
}
$sender = Profile :: staticGet ( $this -> profile_id );
$replied = array ();
// store replied only for first @ (what user/notice what the reply directed,
// we assume first @ is it)
for ( $i = 0 ; $i < count ( $names ); $i ++ ) {
$nickname = $names [ $i ];
$recipient = common_relative_profile ( $sender , $nickname , $this -> created );
if ( ! $recipient ) {
continue ;
}
// Don't save replies from blocked profile to local user
$recipient_user = User :: staticGet ( 'id' , $recipient -> id );
if ( $recipient_user && $recipient_user -> hasBlocked ( $sender )) {
continue ;
}
$reply = new Reply ();
$reply -> notice_id = $this -> id ;
$reply -> profile_id = $recipient -> id ;
$id = $reply -> insert ();
if ( ! $id ) {
$last_error = & PEAR :: getStaticProperty ( 'DB_DataObject' , 'lastError' );
common_log ( LOG_ERR , 'DB error inserting reply: ' . $last_error -> message );
common_server_error ( sprintf ( _ ( 'DB error inserting reply: %s' ), $last_error -> message ));
return ;
} else {
$replied [ $recipient -> id ] = 1 ;
}
}
// Hash format replies, too
$cnt = preg_match_all ( '/(?:^|\s)@#([a-z0-9]{1,64})/' , $this -> content , $match );
if ( $cnt ) {
foreach ( $match [ 1 ] as $tag ) {
$tagged = Profile_tag :: getTagged ( $sender -> id , $tag );
foreach ( $tagged as $t ) {
if ( ! $replied [ $t -> id ]) {
// Don't save replies from blocked profile to local user
$t_user = User :: staticGet ( 'id' , $t -> id );
if ( $t_user && $t_user -> hasBlocked ( $sender )) {
continue ;
}
$reply = new Reply ();
$reply -> notice_id = $this -> id ;
$reply -> profile_id = $t -> id ;
$id = $reply -> insert ();
if ( ! $id ) {
common_log_db_error ( $reply , 'INSERT' , __FILE__ );
return ;
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} else {
$replied [ $recipient -> id ] = 1 ;
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}
}
}
}
}
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foreach ( array_keys ( $replied ) as $recipient ) {
$user = User :: staticGet ( 'id' , $recipient );
if ( $user ) {
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mail_notify_attn ( $user , $this );
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}
}
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}
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function asAtomEntry ( $namespace = false , $source = false )
{
$profile = $this -> getProfile ();
$xs = new XMLStringer ( true );
if ( $namespace ) {
$attrs = array ( 'xmlns' => 'http://www.w3.org/2005/Atom' ,
'xmlns:thr' => 'http://purl.org/syndication/thread/1.0' );
} else {
$attrs = array ();
}
$xs -> elementStart ( 'entry' , $attrs );
if ( $source ) {
$xs -> elementStart ( 'source' );
$xs -> element ( 'title' , null , $profile -> nickname . " - " . common_config ( 'site' , 'name' ));
$xs -> element ( 'link' , array ( 'href' => $profile -> profileurl ));
$user = User :: staticGet ( 'id' , $profile -> id );
if ( ! empty ( $user )) {
$atom_feed = common_local_url ( 'api' ,
array ( 'apiaction' => 'statuses' ,
'method' => 'user_timeline' ,
'argument' => $profile -> nickname . '.atom' ));
$xs -> element ( 'link' , array ( 'rel' => 'self' ,
'type' => 'application/atom+xml' ,
'href' => $profile -> profileurl ));
$xs -> element ( 'link' , array ( 'rel' => 'license' ,
'href' => common_config ( 'license' , 'url' )));
}
$xs -> element ( 'icon' , null , $profile -> avatarUrl ( AVATAR_PROFILE_SIZE ));
}
$xs -> elementStart ( 'author' );
$xs -> element ( 'name' , null , $profile -> nickname );
$xs -> element ( 'uri' , null , $profile -> profileurl );
$xs -> elementEnd ( 'author' );
if ( $source ) {
$xs -> elementEnd ( 'source' );
}
$xs -> element ( 'title' , null , $this -> content );
$xs -> element ( 'summary' , null , $this -> content );
$xs -> element ( 'link' , array ( 'rel' => 'alternate' ,
'href' => $this -> bestUrl ()));
$xs -> element ( 'id' , null , $this -> uri );
$xs -> element ( 'published' , null , common_date_w3dtf ( $this -> created ));
$xs -> element ( 'updated' , null , common_date_w3dtf ( $this -> modified ));
if ( $this -> reply_to ) {
$reply_notice = Notice :: staticGet ( 'id' , $this -> reply_to );
if ( ! empty ( $reply_notice )) {
$xs -> element ( 'link' , array ( 'rel' => 'related' ,
'href' => $reply_notice -> bestUrl ()));
$xs -> element ( 'thr:in-reply-to' ,
array ( 'ref' => $reply_notice -> uri ,
'href' => $reply_notice -> bestUrl ()));
}
}
$xs -> element ( 'content' , array ( 'type' => 'html' ), $this -> rendered );
$tag = new Notice_tag ();
$tag -> notice_id = $this -> id ;
if ( $tag -> find ()) {
while ( $tag -> fetch ()) {
$xs -> element ( 'category' , array ( 'term' => $tag -> tag ));
}
}
$tag -> free ();
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# Enclosures
$attachments = $this -> attachments ();
if ( $attachments ){
foreach ( $attachments as $attachment ){
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$enclosure = $attachment -> getEnclosure ();
if ( $enclosure ) {
$attributes = array ( 'rel' => 'enclosure' , 'href' => $enclosure -> url , 'type' => $enclosure -> mimetype , 'length' => $enclosure -> size );
if ( $enclosure -> title ){
$attributes [ 'title' ] = $enclosure -> title ;
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}
$xs -> element ( 'link' , $attributes , null );
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}
}
}
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$xs -> elementEnd ( 'entry' );
return $xs -> getString ();
}
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 ));
}
}
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function stream ( $fn , $args , $cachekey , $offset = 0 , $limit = 20 , $since_id = 0 , $max_id = 0 , $since = null )
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{
$cache = common_memcache ();
if ( empty ( $cache ) ||
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$since_id != 0 || $max_id != 0 || ( ! is_null ( $since ) && $since > 0 ) ||
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is_null ( $limit ) ||
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( $offset + $limit ) > NOTICE_CACHE_WINDOW ) {
return call_user_func_array ( $fn , array_merge ( $args , array ( $offset , $limit , $since_id ,
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$max_id , $since )));
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}
$idkey = common_cache_key ( $cachekey );
$idstr = $cache -> get ( $idkey );
if ( ! empty ( $idstr )) {
// Cache hit! Woohoo!
$window = explode ( ',' , $idstr );
$ids = array_slice ( $window , $offset , $limit );
return $ids ;
}
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$laststr = $cache -> get ( $idkey . ';last' );
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if ( ! empty ( $laststr )) {
$window = explode ( ',' , $laststr );
$last_id = $window [ 0 ];
$new_ids = call_user_func_array ( $fn , array_merge ( $args , array ( 0 , NOTICE_CACHE_WINDOW ,
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$last_id , 0 , null )));
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$new_window = array_merge ( $new_ids , $window );
$new_windowstr = implode ( ',' , $new_window );
$result = $cache -> set ( $idkey , $new_windowstr );
$result = $cache -> set ( $idkey . ';last' , $new_windowstr );
$ids = array_slice ( $new_window , $offset , $limit );
return $ids ;
}
$window = call_user_func_array ( $fn , array_merge ( $args , array ( 0 , NOTICE_CACHE_WINDOW ,
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0 , 0 , null )));
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$windowstr = implode ( ',' , $window );
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$result = $cache -> set ( $idkey , $windowstr );
$result = $cache -> set ( $idkey . ';last' , $windowstr );
$ids = array_slice ( $window , $offset , $limit );
return $ids ;
}
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/**
* 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_to ;
}
}
// 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 );
$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 -> id ;
}
}
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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 ));
}
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}