gnu-social/plugins/Directory/actions/groupdirectory.php
2020-08-26 16:27:35 +03:00

385 lines
11 KiB
PHP

<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* Output a group directory
*
* @category Public
* @package GNUsocial
* @author Zach Copley <zach@status.net>
* @copyright 2011 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or late
*/
defined('GNUSOCIAL') || die();
/**
* Group directory
*
* @category Directory
* @package GNUsocial
* @author Zach Copley <zach@status.net>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or late
*/
class GroupdirectoryAction extends ManagedAction
{
protected $redirectAfterLogin = true;
/**
* The page we're on
*
* @var integer
*/
public $page;
/**
* What to filter the search results by
*
* @var string
*/
public $filter;
/**
* Column to sort by
*
* @var string
*/
public $sort;
/**
* How to order search results, ascending or descending
*
* @var string
*/
public $reverse;
/**
* Query
*
* @var string
*/
public $q;
/**
* Title of the page
*
* @return string Title of the page
*/
public function title()
{
// @fixme: This looks kinda gross
if ($this->filter == 'all') {
if ($this->page != 1) {
// TRANS: Title for group directory page. %d is a page number.
return(sprintf(_m('Group Directory, page %d'), $this->page));
}
// TRANS: Title for group directory page.
return _m('Group directory');
} elseif ($this->page == 1) {
return sprintf(
// TRANS: Title for group directory page when it is filtered.
// TRANS: %s is the filter string.
_m('Group directory - %s'),
strtoupper($this->filter)
);
} else {
return sprintf(
// TRANS: Title for group directory page when it is filtered.
// TRANS: %1$s is the filter string, %2$d is a page number.
_m('Group directory - %1$s, page %2$d'),
strtoupper($this->filter),
$this->page
);
}
}
/**
* Instructions for use
*
* @return instructions for use
*/
public function getInstructions()
{
// TRANS: Page instructions.
return _m("After you join a group you can send messages to all other members\n".
"using the syntax \"!groupname\".\n\n".
"Browse groups, or search for groups by their name, location or topic.\n".
"Separate the terms by spaces; they must be three characters or more.") . "\n";
}
/**
* Is this page read-only?
*
* @return boolean true
*/
public function isReadOnly($args)
{
return true;
}
protected function doPreparation()
{
$this->page = ($this->arg('page')) ? ($this->arg('page') + 0) : 1;
$this->filter = $this->arg('filter', 'all');
$this->reverse = $this->boolean('reverse');
$this->q = $this->trimmed('q');
$this->sort = $this->arg('sort', 'nickname');
}
/**
* Show the page notice
*
* Shows instructions for the page
*
* @return void
*/
public function showPageNotice()
{
$instr = $this->getInstructions();
$output = common_markup_to_html($instr);
$this->elementStart('div', 'instructions');
$this->raw($output);
$this->elementEnd('div');
}
/**
* Content area
*
* Shows the groups
*
* @return void
*/
public function showContent()
{
if (common_logged_in()) {
$this->elementStart('p', ['id' => 'new_group']);
$this->element(
'a',
[
'href' => common_local_url('newgroup'),
'class' => 'more',
],
// TRANS: Link to create a new group on the group list page.
_m('Create a new group')
);
$this->elementEnd('p');
}
$this->showForm();
$this->elementStart('div', ['id' => 'profile_directory']);
// @todo FIXME: Does "All" need i18n here?
$alphaNav = new AlphaNav($this, false, false, ['0-9', 'All']);
$alphaNav->show();
$group = null;
$group = $this->getGroups();
$cnt = 0;
if (!empty($group)) {
$groupList = new SortableGroupList(
$group,
common_current_user(),
$this
);
$cnt = $groupList->show();
$group->free();
if (0 == $cnt) {
$this->showEmptyListMessage();
}
}
$args = [];
if (isset($this->q)) {
$args['q'] = $this->q;
} else {
$args['filter'] = $this->filter;
}
$this->pagination(
$this->page > 1,
$cnt > PROFILES_PER_PAGE,
$this->page,
'groupdirectory',
$args
);
$this->elementEnd('div');
}
public function showForm($error=null)
{
$this->elementStart('form', [
'method' => 'get',
'id' => 'form_search',
'class' => 'form_settings',
'action' => common_local_url('groupdirectory'),
]);
$this->elementStart('fieldset');
// TRANS: Fieldset legend.
$this->element('legend', null, _m('Search groups'));
$this->elementStart('ul', 'form_data');
$this->elementStart('li');
// TRANS: Field label for input of one or more keywords.
$this->input('q', _m('Keyword(s)'), $this->q);
// TRANS: Button text for searching group directory.
$this->submit('search', _m('BUTTON', 'Search'));
$this->elementEnd('li');
$this->elementEnd('ul');
$this->elementEnd('fieldset');
$this->elementEnd('form');
}
/*
* Get groups filtered by the current filter, sort key,
* sort order, and page
*/
public function getGroups()
{
$group = new User_group();
// Disable this to get global group searches
$group->joinAdd(['id', 'local_group:group_id']);
$order = false;
if (!empty($this->q)) {
$wheres = ['nickname', 'fullname', 'homepage', 'description', 'location'];
foreach ($wheres as $where) {
// Double % because of sprintf
$group->whereAdd(sprintf(
'LOWER(%1$s.%2$s) LIKE LOWER(\'%%%3$s%%\')',
$group->escapedTableName(),
$where,
$group->escape($this->q)
), 'OR');
}
$order = sprintf(
'%1$s.%2$s %3$s',
$group->escapedTableName(),
$this->getSortKey('created'),
$this->reverse ? 'DESC' : 'ASC'
);
} else {
// User is browsing via AlphaNav
switch ($this->filter) {
case 'all':
// NOOP
break;
case '0-9':
$group->whereAdd(sprintf(
'LEFT(%1$s.%2$s, 1) BETWEEN %3$s AND %4$s',
$group->escapedTableName(),
'nickname',
$group->_quote('0'),
$group->_quote('9')
));
break;
default:
$group->whereAdd(sprintf(
'LEFT(LOWER(%1$s.%2$s), 1) = %3$s',
$group->escapedTableName(),
'nickname',
$group->_quote($this->filter)
));
}
$order = sprintf(
'%1$s.%2$s %3$s, %1$s.%4$s ASC',
$group->escapedTableName(),
$this->getSortKey('nickname'),
$this->reverse ? 'DESC' : 'ASC',
'nickname'
);
}
$offset = ($this->page-1) * PROFILES_PER_PAGE;
$limit = PROFILES_PER_PAGE + 1;
$group->selectAdd();
$group->selectAdd('profile_id');
$group->orderBy($order);
$group->limit($offset, $limit);
$group->find();
return Profile::multiGet('id', $group->fetchAll('profile_id'));
}
/**
* Filter the sort parameter
*
* @return string a column name for sorting
*/
public function getSortKey($def='created')
{
switch ($this->sort) {
case 'nickname':
case 'created':
return $this->sort;
default:
return $def;
}
}
/**
* Show a nice message when there's no search results
*/
public function showEmptyListMessage()
{
if (!empty($this->filter) && ($this->filter != 'all')) {
$this->element('p', 'error', sprintf(
// TRANS: Empty list message for searching group directory.
// TRANS: %s is the search string.
_m('No groups starting with %s.'),
$this->filter
));
} else {
// TRANS: Empty list message for searching group directory.
$this->element('p', 'error', _m('No results.'));
// TRANS: Help text for searching group directory.
$message = _m("* Make sure all words are spelled correctly.\n".
"* Try different keywords.\n".
"* Try more general keywords.\n".
"* Try fewer keywords.");
$this->elementStart('div', 'help instructions');
$this->raw(common_markup_to_html($message));
$this->elementEnd('div');
}
}
public function showSections()
{
$gbp = new GroupsByPostsSection($this);
$gbp->show();
$gbm = new GroupsByMembersSection($this);
$gbm->show();
}
}