gnu-social/plugins/Autocomplete/autocomplete.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* List users for autocompletion
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @copyright 2008-2009 StatusNet, Inc.
* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
/**
* List users for autocompletion
*
* This is the form for adding a new g
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class AutocompleteAction extends Action
{
private $result;
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/**
* Last-modified date for page
*
* When was the content of this page last modified? Based on notice,
* profile, avatar.
*
* @return int last-modified date as unix timestamp
*/
function lastModified()
{
$max=0;
foreach($this->users as $user){
$max = max($max,strtotime($user->modified),strtotime($user->profile->modified));
}
foreach($this->groups as $group){
$max = max($max,strtotime($group->modified));
}
return $max;
}
/**
* An entity tag for this page
*
* Shows the ETag for the page, based on the notice ID and timestamps
* for the notice, profile, and avatar. It's weak, since we change
* the date text "one hour ago", etc.
*
* @return string etag
*/
function etag()
{
return '"' . implode(':', array($this->arg('action'),
common_user_cache_hash(),
crc32($this->arg('q')), //the actual string can have funny characters in we don't want showing up in the etag
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$this->arg('limit'),
$this->lastModified())) . '"';
}
function prepare($args)
{
parent::prepare($args);
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$this->groups=array();
$this->users=array();
$q = $this->arg('q');
$limit = $this->arg('limit');
if($limit > 200) $limit=200; //prevent DOS attacks
if(substr($q,0,1)=='@'){
//user search
$q=substr($q,1);
$user = new User();
$user->limit($limit);
$user->whereAdd('nickname like \'' . trim($user->escape($q), '\'') . '%\'');
if($user->find()){
while($user->fetch()) {
$this->users[]=clone($user);
}
}
}
if(substr($q,0,1)=='!'){
//group search
$q=substr($q,1);
$group = new User_group();
$group->limit($limit);
$group->whereAdd('nickname like \'' . trim($group->escape($q), '\'') . '%\'');
if($group->find()){
while($group->fetch()) {
$this->groups[]=clone($group);
}
}
}
return true;
}
function handle($args)
{
parent::handle($args);
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$results = array();
foreach($this->users as $user){
$profile = $user->getProfile();
$results[]=array('nickname' => $user->nickname, 'fullname'=> $profile->fullname, 'type'=>'user');
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}
foreach($this->groups as $group){
$results[]=array('nickname' => $group->nickname, 'fullname'=> $group->fullname, 'type'=>'group');
}
foreach($results as $result) {
print json_encode($result) . "\n";
}
}
}