270 lines
7.0 KiB
PHP
270 lines
7.0 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Base class for showing subscription information in the API
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*
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* PHP version 5
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*
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* LICENCE: 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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* @category API
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/apibareauth.php';
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/**
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* This class outputs a list of profiles as Twitter-style user and status objects.
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* It is used by the API methods /api/statuses/(friends|followers). To support the
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* social graph methods it also can output a simple list of IDs.
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*
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* @category API
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class ApiSubscriptionsAction extends ApiBareAuthAction
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{
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var $page = null;
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var $count = null;
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var $user = null;
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var $profiles = null;
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var $format = null;
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var $tag = null;
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var $lite = null;
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var $ids_only = null;
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/**
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* Take arguments for running
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*
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* @param array $args $_REQUEST args
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*
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* @return boolean success flag
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*
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$this->page = (int)$this->arg('page', 1);
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$this->tag = $this->arg('tag');
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$this->format = $this->arg('format');
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// Note: Twitter no longer supports 'lite'
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$this->lite = $this->arg('lite');
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$this->ids_only = $this->arg('ids_only');
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// If called as a social graph method, show 5000 per page, otherwise 100
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$this->count = isset($this->ids_only) ?
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5000 : (int)$this->arg('count', 100);
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$this->user = $this->getTargetUser($this->arg('id'));
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if (empty($this->user)) {
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$this->clientError(_('No such user!'), 404, $this->format);
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return false;
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}
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$this->profiles = $this->getProfiles();
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return true;
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}
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/**
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* Handle the request
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*
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* Show the profiles
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*
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* @param array $args $_REQUEST data (unused)
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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if (!in_array($this->format, array('xml', 'json'))) {
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$this->clientError(_('API method not found!'), $code = 404);
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return;
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}
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$this->init_document($this->format);
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if (isset($this->ids_only)) {
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$this->showIds();
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} else {
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$this->showProfiles(isset($this->lite) ? false : true);
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}
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$this->end_document($this->format);
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}
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/**
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* Get profiles - should get overrrided
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*
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* @return array Profiles
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*/
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function getProfiles()
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{
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}
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/**
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* Is this action read only?
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*
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* @param array $args other arguments
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*
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* @return boolean true
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*/
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function isReadOnly($args)
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{
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return true;
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}
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/**
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* When was this feed last modified?
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*
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* @return string datestamp of the latest profile in the stream
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*/
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function lastModified()
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{
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if (!empty($this->profiles) && (count($this->profiles) > 0)) {
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return strtotime($this->profiles[0]->created);
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}
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return null;
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}
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/**
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* An entity tag for this action
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*
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* Returns an Etag based on the action name, language, user ID, and
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* timestamps of the first and last profiles in the subscriptions list
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* There's also an indicator to show whether this action is being called
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* as /api/statuses/(friends|followers) or /api/(friends|followers)/ids
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*
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* @return string etag
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*/
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function etag()
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{
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if (!empty($this->profiles) && (count($this->profiles) > 0)) {
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$last = count($this->profiles) - 1;
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return '"' . implode(
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':',
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array($this->arg('action'),
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common_language(),
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$this->user->id,
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isset($this->ids_only) ? 'IDs' : 'Profiles',
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strtotime($this->profiles[0]->created),
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strtotime($this->profiles[$last]->created))
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)
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. '"';
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}
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return null;
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}
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/**
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* Show the profiles as Twitter-style useres and statuses
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*
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* @param boolean $include_statuses Whether to include the latest status
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* with each user. Default true.
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*
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* @return void
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*/
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function showProfiles($include_statuses = true)
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{
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switch ($this->format) {
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case 'xml':
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$this->elementStart('users', array('type' => 'array'));
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foreach ($this->profiles as $profile) {
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$this->show_profile(
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$profile,
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$this->format,
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null,
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$include_statuses
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);
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}
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$this->elementEnd('users');
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break;
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case 'json':
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$arrays = array();
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foreach ($this->profiles as $profile) {
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$arrays[] = $this->twitter_user_array(
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$profile,
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$include_statuses
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);
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}
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print json_encode($arrays);
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break;
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default:
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$this->clientError(_('Unsupported format.'));
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break;
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}
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}
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/**
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* Show the IDs of the profiles only. 5000 per page. To support
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* the 'social graph' methods: /api/(friends|followers)/ids
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*
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* @return void
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*/
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function showIds()
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{
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switch ($this->format) {
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case 'xml':
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$this->elementStart('ids');
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foreach ($this->profiles as $profile) {
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$this->element('id', null, $profile->id);
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}
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$this->elementEnd('ids');
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break;
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case 'json':
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$ids = array();
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foreach ($this->profiles as $profile) {
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$ids[] = (int)$profile->id;
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}
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print json_encode($ids);
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break;
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default:
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$this->clientError(_('Unsupported format.'));
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break;
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}
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}
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}
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