forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			1088 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1088 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * Laconica - a distributed open-source microblogging tool
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 * Copyright (C) 2008, Controlez-Vous, Inc.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Affero General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (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,
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 * 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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/**
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 * Table Definition for notice
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 */
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require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
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/* We keep the first three 20-notice pages, plus one for pagination check,
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 * in the memcached cache. */
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define('NOTICE_CACHE_WINDOW', 61);
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define('NOTICE_LOCAL_PUBLIC', 1);
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define('NOTICE_REMOTE_OMB', 0);
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define('NOTICE_LOCAL_NONPUBLIC', -1);
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define('NOTICE_GATEWAY', -2);
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class Notice extends Memcached_DataObject
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{
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    ###START_AUTOCODE
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    /* the code below is auto generated do not remove the above tag */
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    public $__table = 'notice';                          // table name
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    public $id;                              // int(4)  primary_key not_null
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    public $profile_id;                      // int(4)   not_null
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    public $uri;                             // varchar(255)  unique_key
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    public $content;                         // varchar(140)
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    public $rendered;                        // text()
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    public $url;                             // varchar(255)
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    public $created;                         // datetime()   not_null
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    public $modified;                        // timestamp()   not_null default_CURRENT_TIMESTAMP
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    public $reply_to;                        // int(4)
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    public $is_local;                        // tinyint(1)
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    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,$v=NULL) {
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        return Memcached_DataObject::staticGet('Notice',$k,$v);
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    }
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    /* the code above is auto generated do not remove the tag below */
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    ###END_AUTOCODE
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    function getProfile()
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    {
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        return Profile::staticGet('id', $this->profile_id);
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    }
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    function delete()
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    {
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        $this->blowCaches(true);
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        $this->blowFavesCache(true);
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        $this->blowSubsCache(true);
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        $this->query('BEGIN');
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        //Null any notices that are replies to this notice
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        $this->query(sprintf("UPDATE notice set reply_to = null WHERE reply_to = %d", $this->id));
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        $related = array('Reply',
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                         'Fave',
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                         'Notice_tag',
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                         'Group_inbox',
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                         'Queue_item');
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        if (common_config('inboxes', 'enabled')) {
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            $related[] = 'Notice_inbox';
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        }
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        foreach ($related as $cls) {
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            $inst = new $cls();
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            $inst->notice_id = $this->id;
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            $inst->delete();
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        }
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        $result = parent::delete();
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        $this->query('COMMIT');
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    }
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    function saveTags()
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    {
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        /* extract all #hastags */
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        $count = preg_match_all('/(?:^|\s)#([A-Za-z0-9_\-\.]{1,64})/', strtolower($this->content), $match);
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        if (!$count) {
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            return true;
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        }
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        /* Add them to the database */
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        foreach(array_unique($match[1]) 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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        }
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        return true;
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    }
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    function saveTag($hashtag)
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    {
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        $hashtag = common_canonical_tag($hashtag);
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        $tag = new Notice_tag();
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        $tag->notice_id = $this->id;
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        $tag->tag = $hashtag;
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        $tag->created = $this->created;
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        $id = $tag->insert();
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        if (!$id) {
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            throw new ServerException(sprintf(_('DB error inserting hashtag: %s'),
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                                              $last_error->message));
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            return;
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        }
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    }
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    static function saveNew($profile_id, $content, $source=null,
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                            $is_local=1, $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 (mb_strlen($final) > 140) {
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            common_log(LOG_INFO, 'Rejecting notice that is too long.');
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            return _('Problem saving notice. Too long.');
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        }
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        if (!$profile) {
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            common_log(LOG_ERR, 'Problem saving notice. Unknown user.');
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            return _('Problem saving notice. Unknown user.');
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        }
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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)) {
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            common_log(LOG_WARNING, 'Dupe posting by profile #' . $profile_id . '; throttled.');
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			return _('Too many duplicate messages too quickly; take a breather and post again in a few minutes.');
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        }
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		$banned = common_config('profile', 'banned');
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        if ( in_array($profile_id, $banned) || in_array($profile->nickname, $banned)) {
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            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();
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        $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, $blacklist)) ||
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            ($source && $autosource && in_array($source, $autosource))) {
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            $notice->is_local = -1;
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        } else {
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            $notice->is_local = $is_local;
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        }
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		$notice->query('BEGIN');
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		$notice->reply_to = $reply_to;
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        if (!empty($created)) {
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            $notice->created = $created;
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        } else {
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            $notice->created = common_sql_now();
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        }
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		$notice->content = $final;
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		$notice->rendered = common_render_content($final, $notice);
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		$notice->source = $source;
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		$notice->uri = $uri;
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        if (!empty($reply_to)) {
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            $reply_notice = Notice::staticGet('id', $reply_to);
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            if (!empty($reply_notice)) {
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                $notice->reply_to = $reply_to;
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                $notice->conversation = $reply_notice->conversation;
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            }
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        }
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        if (Event::handle('StartNoticeSave', array(&$notice))) {
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            $id = $notice->insert();
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            if (!$id) {
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                common_log_db_error($notice, 'INSERT', __FILE__);
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                return _('Problem saving notice.');
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            }
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            # Update the URI after the notice is in the database
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            if (!$uri) {
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                $orig = clone($notice);
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                $notice->uri = common_notice_uri($notice);
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                if (!$notice->update($orig)) {
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                    common_log_db_error($notice, 'UPDATE', __FILE__);
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                    return _('Problem saving notice.');
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                }
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            }
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            # XXX: do we need to change this for remote users?
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            $notice->saveReplies();
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            $notice->saveTags();
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            $notice->addToInboxes();
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            $notice->saveGroups();
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            $notice->saveUrls();
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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($orig2)) {
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                common_log_db_error($notice, 'UPDATE', __FILE__);
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                return _('Problem saving notice.');
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            }
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            $notice->query('COMMIT');
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            Event::handle('EndNoticeSave', array($notice));
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        }
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        # Clear the cache for subscribed users, so they'll update at next request
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        # XXX: someone clever could prepend instead of clearing the cache
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        $notice->blowCaches();
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        return $notice;
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    }
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    /** save all urls in the notice to the db
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     *
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     * follow redirects and save all available file information
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     * (mimetype, date, size, oembed, etc.)
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     *
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     * @return void
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     */
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    function saveUrls() {
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        common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
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    }
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    function saveUrl($data) {
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        list($url, $notice_id) = $data;
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        File::processNew($url, $notice_id);
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    }
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    static function checkDupes($profile_id, $content) {
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        $profile = Profile::staticGet($profile_id);
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        if (!$profile) {
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            return false;
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        }
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        $notice = $profile->getNotices(0, NOTICE_CACHE_WINDOW);
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        if ($notice) {
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            $last = 0;
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            while ($notice->fetch()) {
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                if (time() - strtotime($notice->created) >= common_config('site', 'dupelimit')) {
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                    return true;
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                } else if ($notice->content == $content) {
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                    return false;
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                }
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            }
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        }
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        # If we get here, oldest item in cache window is not
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        # old enough for dupe limit; do direct check against DB
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        $notice = new Notice();
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        $notice->profile_id = $profile_id;
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        $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) {
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        $profile = Profile::staticGet($profile_id);
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        if (!$profile) {
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            return false;
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        }
 | 
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        # Get the Nth notice
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        $notice = $profile->getNotices(common_config('throttle', 'count') - 1, 1);
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        if ($notice && $notice->fetch()) {
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            # If the Nth notice was posted less than timespan seconds ago
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            if (time() - strtotime($notice->created) <= common_config('throttle', 'timespan')) {
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                # Then we throttle
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                return false;
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            }
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        }
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        # Either not N notices in the stream, OR the Nth was not posted within timespan seconds
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        return true;
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    }
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    function getUploadedAttachment() {
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        $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);
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        $post->fetch();
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        if (empty($post->up) || empty($post->i)) {
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            $ret = false;
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        } else {
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            $ret = array($post->up, $post->i);
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        }
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        $post->free();
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        return $ret;
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    }
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    function hasAttachments() {
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        $post = clone $this;
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        $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);
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        $post->fetch();
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        $n_attachments = intval($post->n_attachments);
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        $post->free();
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        return $n_attachments;
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    }
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    function blowCaches($blowLast=false)
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    {
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        $this->blowSubsCache($blowLast);
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        $this->blowNoticeCache($blowLast);
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        $this->blowRepliesCache($blowLast);
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        $this->blowPublicCache($blowLast);
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        $this->blowTagCache($blowLast);
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        $this->blowGroupCache($blowLast);
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    }
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    function blowGroupCache($blowLast=false)
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    {
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        $cache = common_memcache();
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						|
        if ($cache) {
 | 
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            $group_inbox = new Group_inbox();
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            $group_inbox->notice_id = $this->id;
 | 
						|
            if ($group_inbox->find()) {
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						|
                while ($group_inbox->fetch()) {
 | 
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                    $cache->delete(common_cache_key('user_group:notice_ids:' . $group_inbox->group_id));
 | 
						|
                    if ($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();
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                    $member->group_id = $group_inbox->group_id;
 | 
						|
                    if ($member->find()) {
 | 
						|
                        while ($member->fetch()) {
 | 
						|
                            $cache->delete(common_cache_key('notice_inbox:by_user:' . $member->profile_id));
 | 
						|
                            if ($blowLast) {
 | 
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                                $cache->delete(common_cache_key('notice_inbox:by_user:' . $member->profile_id . ';last'));
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $group_inbox->free();
 | 
						|
            unset($group_inbox);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function blowTagCache($blowLast=false)
 | 
						|
    {
 | 
						|
        $cache = common_memcache();
 | 
						|
        if ($cache) {
 | 
						|
            $tag = new Notice_tag();
 | 
						|
            $tag->notice_id = $this->id;
 | 
						|
            if ($tag->find()) {
 | 
						|
                while ($tag->fetch()) {
 | 
						|
                    $tag->blowCache($blowLast);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $tag->free();
 | 
						|
            unset($tag);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function blowSubsCache($blowLast=false)
 | 
						|
    {
 | 
						|
        $cache = common_memcache();
 | 
						|
        if ($cache) {
 | 
						|
            $user = new User();
 | 
						|
 | 
						|
            $UT = common_config('db','type')=='pgsql'?'"user"':'user';
 | 
						|
            $user->query('SELECT id ' .
 | 
						|
 | 
						|
                         "FROM $UT JOIN subscription ON $UT.id = subscription.subscriber " .
 | 
						|
                         'WHERE subscription.subscribed = ' . $this->profile_id);
 | 
						|
 | 
						|
            while ($user->fetch()) {
 | 
						|
                $cache->delete(common_cache_key('notice_inbox:by_user:'.$user->id));
 | 
						|
                if ($blowLast) {
 | 
						|
                    $cache->delete(common_cache_key('notice_inbox:by_user:'.$user->id.';last'));
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $user->free();
 | 
						|
            unset($user);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function blowNoticeCache($blowLast=false)
 | 
						|
    {
 | 
						|
        if ($this->is_local) {
 | 
						|
            $cache = common_memcache();
 | 
						|
            if (!empty($cache)) {
 | 
						|
                $cache->delete(common_cache_key('profile:notice_ids:'.$this->profile_id));
 | 
						|
                if ($blowLast) {
 | 
						|
                    $cache->delete(common_cache_key('profile:notice_ids:'.$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()) {
 | 
						|
                    $cache->delete(common_cache_key('reply:stream:'.$reply->profile_id));
 | 
						|
                    if ($blowLast) {
 | 
						|
                        $cache->delete(common_cache_key('reply:stream:'.$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()) {
 | 
						|
                    $cache->delete(common_cache_key('fave:ids_by_user:'.$fave->user_id));
 | 
						|
                    if ($blowLast) {
 | 
						|
                        $cache->delete(common_cache_key('fave:ids_by_user:'.$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, $max_id=0, $order=null, $since=null) {
 | 
						|
 | 
						|
        if (common_config('memcached', 'enabled')) {
 | 
						|
 | 
						|
            # Skip the cache if this is a since, since_id or max_id qry
 | 
						|
            if ($since_id > 0 || $max_id > 0 || $since) {
 | 
						|
                return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $max_id, $order, $since);
 | 
						|
            } else {
 | 
						|
                return Notice::getCachedStream($qry, $cachekey, $offset, $limit, $order);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return Notice::getStreamDirect($qry, $offset, $limit, $since_id, $max_id, $order, $since);
 | 
						|
    }
 | 
						|
 | 
						|
    static function getStreamDirect($qry, $offset, $limit, $since_id, $max_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 > ' . $since_id;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($max_id > 0) {
 | 
						|
 | 
						|
            if ($needWhere) {
 | 
						|
                $qry .= ' WHERE ';
 | 
						|
                $needWhere = false;
 | 
						|
            } else {
 | 
						|
                $qry .= ' AND ';
 | 
						|
            }
 | 
						|
 | 
						|
            $qry .= ' notice.id <= ' . $max_id;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($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) {
 | 
						|
            $wrapper = new ArrayWrapper(array_slice($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', $notices);
 | 
						|
 | 
						|
                # return a wrapper of the array for use now
 | 
						|
 | 
						|
                return new ArrayWrapper(array_slice($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
 | 
						|
 | 
						|
        $wrapper = new ArrayWrapper(array_slice($notices, $offset, $limit));
 | 
						|
 | 
						|
        return $wrapper;
 | 
						|
    }
 | 
						|
 | 
						|
    function getStreamByIds($ids)
 | 
						|
    {
 | 
						|
        $cache = common_memcache();
 | 
						|
 | 
						|
        if (!empty($cache)) {
 | 
						|
            $notices = array();
 | 
						|
            foreach ($ids as $id) {
 | 
						|
                $notices[] = Notice::staticGet('id', $id);
 | 
						|
            }
 | 
						|
            return new ArrayWrapper($notices);
 | 
						|
        } else {
 | 
						|
            $notice = new Notice();
 | 
						|
            $notice->whereAdd('id in (' . implode(', ', $ids) . ')');
 | 
						|
            $notice->orderBy('id DESC');
 | 
						|
 | 
						|
            $notice->find();
 | 
						|
            return $notice;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
 | 
						|
    {
 | 
						|
        $ids = Notice::stream(array('Notice', '_publicStreamDirect'),
 | 
						|
                              array(),
 | 
						|
                              'public',
 | 
						|
                              $offset, $limit, $since_id, $max_id, $since);
 | 
						|
 | 
						|
        return Notice::getStreamByIds($ids);
 | 
						|
    }
 | 
						|
 | 
						|
    function _publicStreamDirect($offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
 | 
						|
    {
 | 
						|
        $notice = new Notice();
 | 
						|
 | 
						|
        $notice->selectAdd(); // clears it
 | 
						|
        $notice->selectAdd('id');
 | 
						|
 | 
						|
        $notice->orderBy('id DESC');
 | 
						|
 | 
						|
        if (!is_null($offset)) {
 | 
						|
            $notice->limit($offset, $limit);
 | 
						|
        }
 | 
						|
 | 
						|
        if (common_config('public', 'localonly')) {
 | 
						|
            $notice->whereAdd('is_local = 1');
 | 
						|
        } else {
 | 
						|
            # -1 == blacklisted
 | 
						|
            $notice->whereAdd('is_local != -1');
 | 
						|
        }
 | 
						|
 | 
						|
        if ($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 addToInboxes()
 | 
						|
    {
 | 
						|
        $enabled = common_config('inboxes', 'enabled');
 | 
						|
 | 
						|
        if ($enabled === true || $enabled === 'transitional') {
 | 
						|
            $inbox = new Notice_inbox();
 | 
						|
            $UT = common_config('db','type')=='pgsql'?'"user"':'user';
 | 
						|
            $qry = 'INSERT INTO notice_inbox (user_id, notice_id, created) ' .
 | 
						|
              "SELECT $UT.id, " . $this->id . ", '" . $this->created . "' " .
 | 
						|
              "FROM $UT JOIN subscription ON $UT.id = subscription.subscriber " .
 | 
						|
              'WHERE subscription.subscribed = ' . $this->profile_id . ' ' .
 | 
						|
              'AND NOT EXISTS (SELECT user_id, notice_id ' .
 | 
						|
              'FROM notice_inbox ' .
 | 
						|
              "WHERE user_id = $UT.id " .
 | 
						|
              'AND notice_id = ' . $this->id . ' )';
 | 
						|
            if ($enabled === 'transitional') {
 | 
						|
                $qry .= " AND $UT.inboxed = 1";
 | 
						|
            }
 | 
						|
            $inbox->query($qry);
 | 
						|
        }
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    function saveGroups()
 | 
						|
    {
 | 
						|
        $enabled = common_config('inboxes', 'enabled');
 | 
						|
        if ($enabled !== true && $enabled !== 'transitional') {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        /* extract all !group */
 | 
						|
        $count = preg_match_all('/(?:^|\s)!([A-Za-z0-9]{1,64})/',
 | 
						|
                                strtolower($this->content),
 | 
						|
                                $match);
 | 
						|
        if (!$count) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        $profile = $this->getProfile();
 | 
						|
 | 
						|
        /* Add them to the database */
 | 
						|
 | 
						|
        foreach (array_unique($match[1]) as $nickname) {
 | 
						|
            /* XXX: remote groups. */
 | 
						|
            $group = User_group::getForNickname($nickname);
 | 
						|
 | 
						|
            if (empty($group)) {
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
 | 
						|
            // we automatically add a tag for every group name, too
 | 
						|
 | 
						|
            $tag = Notice_tag::pkeyGet(array('tag' => common_canonical_tag($nickname),
 | 
						|
                                             'notice_id' => $this->id));
 | 
						|
 | 
						|
            if (is_null($tag)) {
 | 
						|
                $this->saveTag($nickname);
 | 
						|
            }
 | 
						|
 | 
						|
            if ($profile->isMember($group)) {
 | 
						|
 | 
						|
                $gi = new Group_inbox();
 | 
						|
 | 
						|
                $gi->group_id  = $group->id;
 | 
						|
                $gi->notice_id = $this->id;
 | 
						|
                $gi->created   = common_sql_now();
 | 
						|
 | 
						|
                $result = $gi->insert();
 | 
						|
 | 
						|
                if (!$result) {
 | 
						|
                    common_log_db_error($gi, 'INSERT', __FILE__);
 | 
						|
                }
 | 
						|
 | 
						|
                // FIXME: do this in an offline daemon
 | 
						|
 | 
						|
                $this->addToGroupInboxes($group);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function addToGroupInboxes($group)
 | 
						|
    {
 | 
						|
        $inbox = new Notice_inbox();
 | 
						|
        $UT = common_config('db','type')=='pgsql'?'"user"':'user';
 | 
						|
        $qry = 'INSERT INTO notice_inbox (user_id, notice_id, created, source) ' .
 | 
						|
          "SELECT $UT.id, " . $this->id . ", '" . $this->created . "', " . NOTICE_INBOX_SOURCE_GROUP . " " .
 | 
						|
          "FROM $UT JOIN group_member ON $UT.id = group_member.profile_id " .
 | 
						|
          'WHERE group_member.group_id = ' . $group->id . ' ' .
 | 
						|
          'AND NOT EXISTS (SELECT user_id, notice_id ' .
 | 
						|
          'FROM notice_inbox ' .
 | 
						|
          "WHERE user_id = $UT.id " .
 | 
						|
          'AND notice_id = ' . $this->id . ' )';
 | 
						|
        if ($enabled === 'transitional') {
 | 
						|
            $qry .= " AND $UT.inboxed = 1";
 | 
						|
        }
 | 
						|
        $result = $inbox->query($qry);
 | 
						|
    }
 | 
						|
 | 
						|
    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;
 | 
						|
            }
 | 
						|
            if ($i == 0 && ($recipient->id != $sender->id) && !$this->reply_to) { // Don't save reply to self
 | 
						|
                $reply_for = $recipient;
 | 
						|
                $recipient_notice = $reply_for->getCurrentNotice();
 | 
						|
                if ($recipient_notice) {
 | 
						|
                    $orig = clone($this);
 | 
						|
                    $this->reply_to = $recipient_notice->id;
 | 
						|
                    $this->conversation = $recipient_notice->conversation;
 | 
						|
                    $this->update($orig);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // 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;
 | 
						|
                        } else {
 | 
						|
                            $replied[$recipient->id] = 1;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // If it's not a reply, make it the root of a new conversation
 | 
						|
 | 
						|
        if (empty($this->conversation)) {
 | 
						|
            $orig = clone($this);
 | 
						|
            $this->conversation = $this->id;
 | 
						|
            $this->update($orig);
 | 
						|
        }
 | 
						|
 | 
						|
        foreach (array_keys($replied) as $recipient) {
 | 
						|
            $user = User::staticGet('id', $recipient);
 | 
						|
            if ($user) {
 | 
						|
                mail_notify_attn($user, $this);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function asAtomEntry($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();
 | 
						|
 | 
						|
        $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' => $this->id));
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function stream($fn, $args, $cachekey, $offset=0, $limit=20, $since_id=0, $max_id=0, $since=null)
 | 
						|
    {
 | 
						|
        $cache = common_memcache();
 | 
						|
 | 
						|
        if (empty($cache) ||
 | 
						|
            $since_id != 0 || $max_id != 0 || (!is_null($since) && $since > 0) ||
 | 
						|
            ($offset + $limit) > NOTICE_CACHE_WINDOW) {
 | 
						|
            return call_user_func_array($fn, array_merge($args, array($offset, $limit, $since_id,
 | 
						|
                                                                      $max_id, $since)));
 | 
						|
        }
 | 
						|
 | 
						|
        $idkey = common_cache_key($cachekey);
 | 
						|
 | 
						|
        $idstr = $cache->get($idkey);
 | 
						|
 | 
						|
        if (!empty($idstr)) {
 | 
						|
            // Cache hit! Woohoo!
 | 
						|
            $window = explode(',', $idstr);
 | 
						|
            $ids = array_slice($window, $offset, $limit);
 | 
						|
            return $ids;
 | 
						|
        }
 | 
						|
 | 
						|
        $laststr = $cache->get($idkey.';last');
 | 
						|
 | 
						|
        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,
 | 
						|
                                                                          $last_id, 0, null, $tag)));
 | 
						|
 | 
						|
            $new_window = array_merge($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,
 | 
						|
                                                                     0, 0, null, $tag)));
 | 
						|
 | 
						|
        $windowstr = implode(',', $window);
 | 
						|
 | 
						|
        $result = $cache->set($idkey, $windowstr);
 | 
						|
        $result = $cache->set($idkey . ';last', $windowstr);
 | 
						|
 | 
						|
        $ids = array_slice($window, $offset, $limit);
 | 
						|
 | 
						|
        return $ids;
 | 
						|
    }
 | 
						|
}
 |