gnu-social/lib/groupaction.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Base class for group actions
*
* 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 Action
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2009-2011 StatusNet, Inc.
* @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/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
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define('MEMBERS_PER_SECTION', 27);
/**
* Base class for group actions, similar to ProfileAction
*
* @category Action
* @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
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* @link http://status.net/
*/
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class GroupAction extends Action
{
protected $group;
protected function prepare(array $args=array())
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{
parent::prepare($args);
$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::getKV('nickname', $nickname);
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if (!$local) {
$alias = Group_alias::getKV('alias', $nickname);
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if ($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::getKV('id', $local->group_id);
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if (!$this->group) {
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// TRANS: Client error displayed if no local group with a given name was found requesting group page.
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$this->clientError(_('No such group.'), 404);
return false;
}
}
function showProfileBlock()
{
$block = new GroupProfileBlock($this, $this->group);
$block->show();
}
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/**
* Fill in the sidebar.
*
* @return void
*/
function showSections()
{
$this->showMembers();
$cur = common_current_user();
if ($cur && $cur->isAdmin($this->group)) {
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$this->showPending();
$this->showBlocked();
}
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$this->showAdmins();
if (!common_config('performance', 'high')) {
$cloud = new GroupTagCloudSection($this, $this->group);
$cloud->show();
}
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}
/**
* 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))) {
$this->elementStart('h2');
$this->element('a', array('href' => common_local_url('groupmembers', array('nickname' =>
$this->group->nickname))),
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// TRANS: Header for mini list of group members on a group page (h2).
_('Members'));
$this->text(' ');
$this->text($this->group->getMemberCount());
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$this->elementEnd('h2');
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$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));
}
$this->elementEnd('div');
}
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function showPending()
{
if ($this->group->join_policy != User_group::JOIN_POLICY_MODERATE) {
return;
}
$pending = $this->group->getQueueCount();
if (!$pending) {
return;
}
$request = $this->group->getRequests(0, MEMBERS_PER_SECTION);
if (!$request) {
return;
}
$this->elementStart('div', array('id' => 'entity_pending',
'class' => 'section'));
if (Event::handle('StartShowGroupPendingMiniList', array($this))) {
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$this->elementStart('h2');
$this->element('a', array('href' => common_local_url('groupqueue', array('nickname' =>
$this->group->nickname))),
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// TRANS: Header for mini list of users with a pending membership request on a group page (h2).
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_('Pending'));
$this->text(' ');
$this->text($pending);
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$this->elementEnd('h2');
$gmml = new ProfileMiniList($request, $this);
$gmml->show();
Event::handle('EndShowGroupPendingMiniList', array($this));
}
$this->elementEnd('div');
}
function showBlocked()
{
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$blocked = $this->group->getBlocked(0, MEMBERS_PER_SECTION);
$this->elementStart('div', array('id' => 'entity_blocked',
'class' => 'section'));
if (Event::handle('StartShowGroupBlockedMiniList', array($this))) {
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$this->elementStart('h2');
$this->element('a', array('href' => common_local_url('blockedfromgroup', array('nickname' =>
$this->group->nickname))),
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// TRANS: Header for mini list of users that are blocked in a group page (h2).
_('Blocked'));
$this->text(' ');
$this->text($this->group->getBlockedCount());
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$this->elementEnd('h2');
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$gmml = new GroupBlockedMiniList($blocked, $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('blockedfromgroup',
array('nickname' => $this->group->nickname))),
// TRANS: Link to all group members from mini list of group members if group has more than n members.
_('All members'));
}
Event::handle('EndShowGroupBlockedMiniList', array($this));
}
$this->elementEnd('div');
}
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/**
* Show list of admins
*
* @return void
*/
function showAdmins()
{
$adminSection = new GroupAdminSection($this, $this->group);
$adminSection->show();
}
function noticeFormOptions()
{
$options = parent::noticeFormOptions();
$cur = common_current_user();
if (!empty($cur) && $cur->isMember($this->group)) {
$options['to_group'] = $this->group;
}
return $options;
}
}
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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 $aAttrs;
}
}
class GroupBlockedMiniList extends ProfileMiniList
{
function newListItem($profile)
{
return new GroupBlockedMiniListItem($profile, $this->action);
}
}
class GroupBlockedMiniListItem extends ProfileMiniListItem
{
function linkAttributes()
{
$aAttrs = parent::linkAttributes();
if (common_config('nofollow', 'members')) {
$aAttrs['rel'] .= ' nofollow';
}
return $aAttrs;
}
}
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class ThreadingGroupNoticeStream extends ThreadingNoticeStream
{
function __construct($group, $profile)
{
parent::__construct(new GroupNoticeStream($group, $profile));
}
}