forked from GNUsocial/gnu-social
421 lines
10 KiB
PHP
421 lines
10 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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* Output a group directory
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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 Public
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2011 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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{
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exit(1);
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}
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require_once INSTALLDIR . '/lib/publicgroupnav.php';
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/**
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* Group directory
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*
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* @category Directory
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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 GroupdirectoryAction extends Action
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{
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/**
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* The page we're on
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*
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* @var integer
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*/
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public $page;
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/**
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* What to filter the search results by
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*
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* @var string
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*/
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public $filter;
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/**
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* Column to sort by
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*
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* @var string
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*/
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public $sort;
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/**
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* How to order search results, ascending or descending
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*
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* @var string
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*/
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public $reverse;
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/**
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* Query
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*
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* @var string
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*/
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public $q;
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/**
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* Title of the page
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*
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* @return string Title of the page
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*/
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function title()
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{
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// @fixme: This looks kinda gross
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if ($this->filter == 'all') {
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if ($this->page != 1) {
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return(sprintf(_m('Group Directory, page %d'), $this->page));
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}
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return _m('Group directory');
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} else if ($this->page == 1) {
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return sprintf(
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_m('Group directory - %s'),
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strtoupper($this->filter)
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);
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} else {
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return sprintf(
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_m('Group directory - %s, page %d'),
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strtoupper($this->filter),
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$this->page
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);
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}
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}
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/**
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* Instructions for use
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*
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* @return instructions for use
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*/
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function getInstructions()
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{
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// TRANS: Page notice for groups directory.
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// TRANS: %%site.name%% is the name of the StatusNet site.
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// TRANS: %%action.newgroup%% is a URL. Do not change it.
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// TRANS: This message contains Markdown links in the form [link text](link).
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$instructions = <<< END_OF_INSTRUCTIONS
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%%site.name%% groups let you find and talk with people of similar
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interests. After you join a group you can send messages to all other
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members using the syntax "!groupname".
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Browse groups, or search for groups on by their name, location or topic.
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Separate the terms by spaces; they must be three characters or more.
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Don't see a group you like? [start your own](%%action.newgroup%%)!
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END_OF_INSTRUCTIONS;
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return _m($instructions);
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}
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/**
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* Is this page read-only?
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*
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* @return boolean true
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*/
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function isReadOnly($args)
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{
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return true;
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}
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/**
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* Take arguments for running
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*
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* @param array $args $_REQUEST args
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*
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* @return boolean success flag
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$this->page = ($this->arg('page')) ? ($this->arg('page') + 0) : 1;
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$this->filter = $this->arg('filter', 'all');
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$this->reverse = $this->boolean('reverse');
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$this->q = $this->trimmed('q');
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$this->sort = $this->arg('sort', 'nickname');
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common_set_returnto($this->selfUrl());
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return true;
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}
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/**
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* Handle request
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*
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* Shows the page
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*
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* @param array $args $_REQUEST args; handled in prepare()
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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$this->showPage();
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}
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/**
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* Show the page notice
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*
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* Shows instructions for the page
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*
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* @return void
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*/
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function showPageNotice()
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{
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$instr = $this->getInstructions();
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$output = common_markup_to_html($instr);
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$this->elementStart('div', 'instructions');
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$this->raw($output);
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$this->elementEnd('div');
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}
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/**
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* Content area
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*
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* Shows the list of popular notices
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*
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* @return void
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*/
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function showContent()
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{
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$this->showForm();
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$this->elementStart('div', array('id' => 'profile_directory'));
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$alphaNav = new AlphaNav($this, false, false, array('0-9', 'All'));
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$alphaNav->show();
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$group = null;
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$group = $this->getGroups();
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$cnt = 0;
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if (!empty($group)) {
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$groupList = new SortableGroupList(
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$group,
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common_current_user(),
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$this
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);
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$cnt = $groupList->show();
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$group->free();
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if (0 == $cnt) {
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$this->showEmptyListMessage();
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}
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}
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$args = array();
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if (isset($this->q)) {
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$args['q'] = $this->q;
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} else {
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$args['filter'] = $this->filter;
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}
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$this->pagination(
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$this->page > 1,
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$cnt > PROFILES_PER_PAGE,
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$this->page,
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'groupdirectory',
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$args
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);
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$this->elementEnd('div');
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}
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function showForm($error=null)
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{
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$this->elementStart(
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'form',
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array(
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'method' => 'get',
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'id' => 'form_search',
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'class' => 'form_settings',
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'action' => common_local_url('groupdirectory')
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)
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);
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$this->elementStart('fieldset');
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$this->element('legend', null, _m('Search groups'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
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$this->input('q', _m('Keyword(s)'), $this->q);
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$this->submit('search', _m('BUTTON','Search'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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/*
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* Get groups filtered by the current filter, sort key,
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* sort order, and page
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*/
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function getGroups()
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{
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$group = new User_group();
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$offset = ($this->page-1) * PROFILES_PER_PAGE;
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$limit = PROFILES_PER_PAGE + 1;
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if (isset($this->q)) {
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$order = 'user_group.created ASC';
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if ($this->sort == 'nickname') {
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if ($this->reverse) {
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$order = 'user_group.nickname DESC';
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} else {
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$order = 'user_group.nickname ASC';
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}
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} else {
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if ($this->reverse) {
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$order = 'user_group.created DESC';
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}
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}
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$sql = <<< GROUP_QUERY_END
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SELECT user_group.*
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FROM user_group
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JOIN local_group ON user_group.id = local_group.group_id
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ORDER BY %s
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LIMIT %d, %d
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GROUP_QUERY_END;
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$cnt = 0;
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$group->query(sprintf($sql, $order, $limit, $offset));
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$group->find();
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} else {
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// User is browsing via AlphaNav
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$sort = $this->getSortKey();
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$sql = <<< GROUP_QUERY_END
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SELECT user_group.*
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FROM user_group
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JOIN local_group ON user_group.id = local_group.group_id
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GROUP_QUERY_END;
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switch($this->filter)
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{
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case 'all':
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// NOOP
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break;
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case '0-9':
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$sql .=
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' AND LEFT(user_group.nickname, 1) BETWEEN \'0\' AND \'9\'';
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break;
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default:
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$sql .= sprintf(
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' AND LEFT(LOWER(user_group.nickname), 1) = \'%s\'',
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$this->filter
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);
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}
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$sql .= sprintf(
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' ORDER BY user_group.%s %s, user_group.nickname ASC LIMIT %d, %d',
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$sort,
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$this->reverse ? 'DESC' : 'ASC',
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$offset,
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$limit
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);
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$group->query($sql);
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}
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return $group;
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}
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/**
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* Filter the sort parameter
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*
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* @return string a column name for sorting
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*/
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function getSortKey()
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{
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switch ($this->sort) {
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case 'nickname':
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return $this->sort;
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break;
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case 'created':
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return $this->sort;
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break;
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default:
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return 'nickname';
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}
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}
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/**
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* Show a nice message when there's no search results
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*/
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function showEmptyListMessage()
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{
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if (!empty($this->filter) && ($this->filter != 'all')) {
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$this->element(
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'p',
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'error',
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sprintf(
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_m('No groups starting with %s'),
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$this->filter
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)
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);
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} else {
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$this->element('p', 'error', _m('No results.'));
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$message = _m(<<<E_O_T
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* Make sure all words are spelled correctly.
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* Try different keywords.
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* Try more general keywords.
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* Try fewer keywords.
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E_O_T
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);
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$this->elementStart('div', 'help instructions');
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$this->raw(common_markup_to_html($message));
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$this->elementEnd('div');
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}
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}
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// XXX This needs some adjustment
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/*
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function showSections()
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{
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$gbp = new GroupsByPostsSection($this);
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$gbp->show();
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$gbm = new GroupsByMembersSection($this);
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$gbm->show();
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}
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*/
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}
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