gnu-social/plugins/Directory/actions/userdirectory.php

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2011-03-02 03:35:20 +00:00
<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Output a user directory
*
* 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 Public
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2011 StatusNet, Inc.
* @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'))
{
exit(1);
}
require_once INSTALLDIR . '/lib/publicgroupnav.php';
/**
* User directory
*
* @category Personal
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class UserdirectoryAction extends Action
{
/**
* @var $page integer the page we're on
*/
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protected $page = null;
/**
* @var $filter string what to filter the search results by
*/
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protected $filter = null;
/**
* Title of the page
*
* @return string Title of the page
*/
function title()
{
// @fixme: This looks kinda gross
if ($this->filter == 'all') {
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if ($this->page != 1) {
return(sprintf(_m('All users, page %d'), $this->page));
}
return _m('All users');
}
if ($this->page == 1) {
return sprintf(
_m('Users with nicknames beginning with %s'),
$this->filter
);
} else {
return sprintf(
_m('Users with nicknames starting with %s, page %d'),
$this->filter,
$this->page
);
}
}
/**
* Instructions for use
*
* @return instructions for use
*/
function getInstructions()
{
return _('User directory');
}
/**
* Is this page read-only?
*
* @return boolean true
*/
function isReadOnly($args)
{
return true;
}
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*
* @todo move queries from showContent() to here
*/
function prepare($args)
{
parent::prepare($args);
$this->page = ($this->arg('page')) ? ($this->arg('page') + 0) : 1;
$this->filter = $this->arg('filter') ? $this->arg('filter') : 'all';
$this->sort = $this->arg('sort');
$this->order = $this->boolean('asc'); // ascending or decending
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common_set_returnto($this->selfUrl());
return true;
}
/**
* Handle request
*
* Shows the page
*
* @param array $args $_REQUEST args; handled in prepare()
*
* @return void
*/
function handle($args)
{
parent::handle($args);
$this->showPage();
}
/**
* Show the page notice
*
* Shows instructions for the page
*
* @return void
*/
function showPageNotice()
{
$instr = $this->getInstructions();
$output = common_markup_to_html($instr);
$this->elementStart('div', 'instructions');
$this->raw($output);
$this->elementEnd('div');
}
/**
* Local navigation
*
* This page is part of the public group, so show that.
*
* @return void
*/
function showLocalNav()
{
$nav = new PublicGroupNav($this);
$nav->show();
}
/**
* Content area
*
* Shows the list of popular notices
*
* @return void
*/
function showContent()
{
// XXX Need search bar
$this->elementStart('div', array('id' => 'user_directory'));
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$alphaNav = new AlphaNav($this, true, array('All'));
$alphaNav->show();
// XXX Maybe use a more specialized version of ProfileList here
$profile = $this->getUsers();
$cnt = 0;
if (!empty($profile)) {
$profileList = new SortableSubscriptionList(
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$profile,
common_current_user(),
$this
);
$cnt = $profileList->show();
if (0 == $cnt) {
$this->showEmptyListMessage();
}
}
$this->pagination(
$this->page > 1,
$cnt > PROFILES_PER_PAGE,
$this->page,
'userdirectory',
array('filter' => $this->filter)
);
$this->elementEnd('div');
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}
/*
* Get users filtered by the current filter and page
*/
function getUsers()
{
$offset = ($this->page - 1) * PROFILES_PER_PAGE;
$limit = PROFILES_PER_PAGE + 1;
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$profile = new Profile();
// XXX Any chance of SQL injection here?
if ($this->filter != 'all') {
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$profile->whereAdd(
sprintf('LEFT(lower(nickname), 1) = \'%s\'', $this->filter)
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);
}
$sort = $this->getSortKey();
$order = ($this->order) ? 'ASC' : 'DESC';
$profile->orderBy("$sort $order, nickname");
$profile->limit($limit, $offset);
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$profile->find();
return $profile;
}
/**
* Filter the sort parameter
*
* @return string a column name for sorting
*/
function getSortKey()
{
switch ($this->sort) {
case 'nickname':
return $this->sort;
break;
case 'created':
return $this->sort;
break;
default:
return 'nickname';
}
}
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/**
* Show a nice message when there's no search results
*/
function showEmptyListMessage()
{
$message = sprintf(_m('No users starting with %s'), $this->filter);
$this->elementStart('div', 'guide');
$this->raw(common_markup_to_html($message));
$this->elementEnd('div');
}
}