gnu-social/actions/showgroup.php
2011-04-15 18:54:35 -04:00

448 lines
15 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Group main page
*
* 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 Group
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @copyright 2008-2009 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') && !defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/noticelist.php';
require_once INSTALLDIR.'/lib/feedlist.php';
define('MEMBERS_PER_SECTION', 27);
/**
* Group main page
*
* @category Group
* @package StatusNet
* @author Evan Prodromou <evan@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 ShowgroupAction extends GroupDesignAction
{
/** page we're viewing. */
var $page = null;
var $userProfile = null;
var $notice = null;
/**
* Is this page read-only?
*
* @return boolean true
*/
function isReadOnly($args)
{
return true;
}
/**
* Title of the page
*
* @return string page title, with page number
*/
function title()
{
$base = $this->group->getFancyName();
if ($this->page == 1) {
// TRANS: Page title for first group page. %s is a group name.
return sprintf(_('%s group'), $base);
} else {
// TRANS: Page title for any but first group page.
// TRANS: %1$s is a group name, $2$s is a page number.
return sprintf(_('%1$s group, page %2$d'),
$base,
$this->page);
}
}
/**
* Prepare the action
*
* Reads and validates arguments and instantiates the attributes.
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
$this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
$nickname_arg = $this->arg('nickname');
$nickname = common_canonical_nickname($nickname_arg);
// Permanent redirect on non-canonical nickname
if ($nickname_arg != $nickname) {
$args = array('nickname' => $nickname);
if ($this->page != 1) {
$args['page'] = $this->page;
}
common_redirect(common_local_url('showgroup', $args), 301);
return false;
}
if (!$nickname) {
// TRANS: Client error displayed if no nickname argument was given requesting a group page.
$this->clientError(_('No nickname.'), 404);
return false;
}
$local = Local_group::staticGet('nickname', $nickname);
if (!$local) {
$alias = Group_alias::staticGet('alias', $nickname);
if ($alias) {
$args = array('id' => $alias->group_id);
if ($this->page != 1) {
$args['page'] = $this->page;
}
common_redirect(common_local_url('groupbyid', $args), 301);
return false;
} else {
common_log(LOG_NOTICE, "Couldn't find local group for nickname '$nickname'");
// TRANS: Client error displayed if no remote group with a given name was found requesting group page.
$this->clientError(_('No such group.'), 404);
return false;
}
}
$this->group = User_group::staticGet('id', $local->group_id);
if (!$this->group) {
// TRANS: Client error displayed if no local group with a given name was found requesting group page.
$this->clientError(_('No such group.'), 404);
return false;
}
$this->userProfile = Profile::current();
$stream = new ThreadingGroupNoticeStream($this->group, $this->userProfile);
$this->notice = $stream->getNotices(($this->page-1)*NOTICES_PER_PAGE,
NOTICES_PER_PAGE + 1);
common_set_returnto($this->selfUrl());
return true;
}
/**
* Handle the request
*
* Shows a profile for the group, some controls, and a list of
* group notices.
*
* @return void
*/
function handle($args)
{
$this->showPage();
}
/**
* Local menu
*
* @return void
*/
function showObjectNav()
{
$nav = new GroupNav($this, $this->group);
$nav->show();
}
/**
* Show the page content
*
* Shows a group profile and a list of group notices
*/
function showContent()
{
$this->showGroupNotices();
}
/**
* Show the group notices
*
* @return void
*/
function showGroupNotices()
{
$nl = new ThreadedNoticeList($this->notice, $this, $this->userProfile);
$cnt = $nl->show();
$this->pagination($this->page > 1,
$cnt > NOTICES_PER_PAGE,
$this->page,
'showgroup',
array('nickname' => $this->group->nickname));
}
/**
* Get a list of the feeds for this page
*
* @return void
*/
function getFeeds()
{
$url =
common_local_url('grouprss',
array('nickname' => $this->group->nickname));
return array(new Feed(Feed::RSS1,
common_local_url('grouprss',
array('nickname' => $this->group->nickname)),
// TRANS: Tooltip for feed link. %s is a group nickname.
sprintf(_('Notice feed for %s group (RSS 1.0)'),
$this->group->nickname)),
new Feed(Feed::RSS2,
common_local_url('ApiTimelineGroup',
array('format' => 'rss',
'id' => $this->group->id)),
// TRANS: Tooltip for feed link. %s is a group nickname.
sprintf(_('Notice feed for %s group (RSS 2.0)'),
$this->group->nickname)),
new Feed(Feed::ATOM,
common_local_url('ApiTimelineGroup',
array('format' => 'atom',
'id' => $this->group->id)),
// TRANS: Tooltip for feed link. %s is a group nickname.
sprintf(_('Notice feed for %s group (Atom)'),
$this->group->nickname)),
new Feed(Feed::FOAF,
common_local_url('foafgroup',
array('nickname' => $this->group->nickname)),
// TRANS: Tooltip for feed link. %s is a group nickname.
sprintf(_('FOAF for %s group'),
$this->group->nickname)));
}
/**
* Fill in the sidebar.
*
* @return void
*/
function showSections()
{
$this->showMembers();
$this->showStatistics();
$this->showAdmins();
$cloud = new GroupTagCloudSection($this, $this->group);
$cloud->show();
}
/**
* Show mini-list of members
*
* @return void
*/
function showMembers()
{
$member = $this->group->getMembers(0, MEMBERS_PER_SECTION);
if (!$member) {
return;
}
$this->elementStart('div', array('id' => 'entity_members',
'class' => 'section'));
if (Event::handle('StartShowGroupMembersMiniList', array($this))) {
// TRANS: Header for mini list of group members on a group page (h2).
$this->element('h2', null, _('Members'));
$gmml = new GroupMembersMiniList($member, $this);
$cnt = $gmml->show();
if ($cnt == 0) {
// TRANS: Description for mini list of group members on a group page when the group has no members.
$this->element('p', null, _('(None)'));
}
// @todo FIXME: Should be shown if a group has more than 27 members, but I do not see it displayed at
// for example http://identi.ca/group/statusnet. Broken?
if ($cnt > MEMBERS_PER_SECTION) {
$this->element('a', array('href' => common_local_url('groupmembers',
array('nickname' => $this->group->nickname))),
// TRANS: Link to all group members from mini list of group members if group has more than n members.
_('All members'));
}
Event::handle('EndShowGroupMembersMiniList', array($this));
}
$this->elementEnd('div');
}
/**
* Show list of admins
*
* @return void
*/
function showAdmins()
{
$adminSection = new GroupAdminSection($this, $this->group);
$adminSection->show();
}
/**
* Show some statistics
*
* @return void
*/
function showStatistics()
{
$this->elementStart('div', array('id' => 'entity_statistics',
'class' => 'section'));
// TRANS: Header for group statistics on a group page (h2).
$this->element('h2', null, _('Statistics'));
$this->elementStart('dl');
// TRANS: Label for group creation date.
$this->element('dt', null, _m('LABEL','Created'));
$this->element('dd', 'entity_created', date('j M Y',
strtotime($this->group->created)));
// @todo FIXME: i18n issue. This label gets a colon added from somewhere. Should be part of the message.
// TRANS: Label for member count in statistics on group page.
$this->element('dt', null, _m('LABEL','Members'));
$this->element('dd', null, $this->group->getMemberCount());
$this->elementEnd('dl');
$this->elementEnd('div');
}
function showAnonymousMessage()
{
if (!(common_config('site','closed') || common_config('site','inviteonly'))) {
// @todo FIXME: use group full name here if available instead of (uglier) primary alias.
// TRANS: Notice on group pages for anonymous users for StatusNet sites that accept new registrations.
// TRANS: **%s** is the group alias, %%%%site.name%%%% is the site name,
// TRANS: %%%%action.register%%%% is the URL for registration, %%%%doc.help%%%% is a URL to help.
// TRANS: This message contains Markdown links. Ensure they are formatted correctly: [Description](link).
$m = sprintf(_('**%s** is a user group on %%%%site.name%%%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
'based on the Free Software [StatusNet](http://status.net/) tool. Its members share ' .
'short messages about their life and interests. '.
'[Join now](%%%%action.register%%%%) to become part of this group and many more! ([Read more](%%%%doc.help%%%%))'),
$this->group->nickname);
} else {
// @todo FIXME: use group full name here if available instead of (uglier) primary alias.
// TRANS: Notice on group pages for anonymous users for StatusNet sites that accept no new registrations.
// TRANS: **%s** is the group alias, %%%%site.name%%%% is the site name,
// TRANS: This message contains Markdown links. Ensure they are formatted correctly: [Description](link).
$m = sprintf(_('**%s** is a user group on %%%%site.name%%%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
'based on the Free Software [StatusNet](http://status.net/) tool. Its members share ' .
'short messages about their life and interests. '),
$this->group->nickname);
}
$this->elementStart('div', array('id' => 'anon_notice'));
$this->raw(common_markup_to_html($m));
$this->elementEnd('div');
}
function noticeFormOptions()
{
$options = parent::noticeFormOptions();
$cur = common_current_user();
if (!empty($cur) && $cur->isMember($this->group)) {
$options['to_group'] = $this->group;
}
return $options;
}
}
class GroupAdminSection extends ProfileSection
{
var $group;
function __construct($out, $group)
{
parent::__construct($out);
$this->group = $group;
}
function getProfiles()
{
return $this->group->getAdmins();
}
function title()
{
// TRANS: Title for list of group administrators on a group page.
return _m('TITLE','Admins');
}
function divId()
{
return 'group_admins';
}
function moreUrl()
{
return null;
}
}
class GroupMembersMiniList extends ProfileMiniList
{
function newListItem($profile)
{
return new GroupMembersMiniListItem($profile, $this->action);
}
}
class GroupMembersMiniListItem extends ProfileMiniListItem
{
function linkAttributes()
{
$aAttrs = parent::linkAttributes();
if (common_config('nofollow', 'members')) {
$aAttrs['rel'] .= ' nofollow';
}
return $aAttrs;
}
}
class ThreadingGroupNoticeStream extends ThreadingNoticeStream
{
function __construct($group, $profile)
{
parent::__construct(new GroupNoticeStream($group, $profile));
}
}