gnu-social/actions/peopletagautocomplete.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008-2010, StatusNet, Inc.
*
* Peopletag autocomple action.
*
* 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/>.
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Shashi Gowda <connect2shashi@gmail.com>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
class PeopletagautocompleteAction extends Action
{
var $user;
var $tags;
var $last_mod;
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/**
* Check pre-requisites and instantiate attributes
*
* @param Array $args array of arguments (URL, GET, POST)
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
// Only for logged-in users
$this->user = common_current_user();
if (empty($this->user)) {
// TRANS: Error message displayed when trying to perform an action that requires a logged in user.
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$this->clientError(_('Not logged in.'));
}
// CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
// TRANS: Client error displayed when the session token does not match or is not given.
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$this->clientError(_('There was a problem with your session token.'.
' Try again, please.'));
}
$profile = $this->user->getProfile();
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$tags = $profile->getLists($this->scoped);
$this->tags = array();
while ($tags->fetch()) {
if (empty($this->last_mod)) {
$this->last_mod = $tags->modified;
}
$arr = array();
$arr['tag'] = $tags->tag;
$arr['mode'] = $tags->private ? 'private' : 'public';
// $arr['url'] = $tags->homeUrl();
$arr['freq'] = $tags->taggedCount();
$this->tags[] = $arr;
}
$tags = NULL;
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return true;
}
/**
* Last modified time
*
* Helps in browser-caching
*
* @return String time
*/
function lastModified()
{
return strtotime($this->last_mod);
}
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/**
* Handle request
*
* Print the JSON autocomplete data
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*
* @param Array $args unused.
*
* @return void
*/
function handle()
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{
//common_log(LOG_DEBUG, 'Autocomplete data: ' . json_encode($this->tags));
if ($this->tags) {
print(json_encode($this->tags));
exit(0);
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}
return false;
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}
}