gnu-social/actions/groupblock.php

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2009-06-15 07:40:42 +09:00
<?php
/**
* Block a user from a group action class.
*
* PHP version 5
*
* @category Action
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* 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/>.
*/
if (!defined('LACONICA')) {
exit(1);
}
/**
* Block a user from a group
*
* @category Action
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*/
class GroupblockAction extends Action
{
var $profile = null;
var $group = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
if (!common_logged_in()) {
$this->clientError(_('Not logged in.'));
return false;
}
$token = $this->trimmed('token');
if (empty($token) || $token != common_session_token()) {
$this->clientError(_('There was a problem with your session token. Try again, please.'));
return;
}
$id = $this->trimmed('blockto');
if (empty($id)) {
$this->clientError(_('No profile specified.'));
return false;
}
$this->profile = Profile::staticGet('id', $id);
if (empty($this->profile)) {
$this->clientError(_('No profile with that ID.'));
return false;
}
$group_id = $this->trimmed('blockgroup');
if (empty($group_id)) {
$this->clientError(_('No group specified.'));
return false;
}
$this->group = User_group::staticGet('id', $group_id);
if (empty($this->group)) {
$this->clientError(_('No such group.'));
return false;
}
$user = common_current_user();
if (!$user->isAdmin($this->group)) {
$this->clientError(_('Only an admin can block group members.'), 401);
return false;
}
if (Group_block::isBlocked($this->group, $this->profile)) {
$this->clientError(_('User is already blocked from group.'));
return false;
}
// XXX: could have proactive blocks, but we don't have UI for it.
if (!$this->profile->isMember($this->group)) {
$this->clientError(_('User is not a member of group.'));
return false;
}
return true;
}
/**
* Handle request
*
* Shows a page with list of favorite notices
*
* @param array $args $_REQUEST args; handled in prepare()
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if ($this->arg('no')) {
common_redirect(common_local_url('groupmembers',
array('nickname' => $this->group->nickname)),
303);
} elseif ($this->arg('yes')) {
$this->blockProfile();
} elseif ($this->arg('blockto')) {
$this->showPage();
}
}
}
function showContent() {
$this->areYouSureForm();
}
function title() {
return _('Block user from group');
}
function showNoticeForm() {
// nop
}
/**
* Confirm with user.
*
* Shows a confirmation form.
*
* @return void
*/
function areYouSureForm()
{
$id = $this->profile->id;
$this->elementStart('form', array('id' => 'block-' . $id,
'method' => 'post',
'class' => 'form_settings form_entity_block',
'action' => common_local_url('groupblock')));
$this->elementStart('fieldset');
$this->hidden('token', common_session_token());
$this->element('legend', null, _('Block user'));
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$this->element('p', null,
sprintf(_('Are you sure you want to block user "%s" from the group "%s"? '.
'They will be removed from the group, unable to post, and '.
'unable to subscribe to the group in the future.'),
$this->profile->getBestName(),
$this->group->getBestName()));
$this->hidden('blockto-' . $this->profile->id,
$this->profile->id,
'blockto');
$this->hidden('blockgroup-' . $this->group->id,
$this->group->id,
'blockgroup');
foreach ($this->args as $k => $v) {
if (substr($k, 0, 9) == 'returnto-') {
$this->hidden($k, $v);
}
}
$this->submit('form_action-no', _('No'), 'submit form_action-primary', 'no', _("Do not block this user from this group"));
$this->submit('form_action-yes', _('Yes'), 'submit form_action-secondary', 'yes', _('Block this user from this group'));
$this->elementEnd('fieldset');
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$this->elementEnd('form');
}
/**
* Actually block a user.
*
* @return void
*/
function blockProfile()
{
$block = Group_block::blockProfile($this->group, $this->profile,
common_current_user());
if (empty($block)) {
$this->serverError(_("Database error blocking user from group."));
return false;
}
// Now, gotta figure where we go back to
foreach ($this->args as $k => $v) {
if ($k == 'returnto-action') {
$action = $v;
} elseif (substr($k, 0, 9) == 'returnto-') {
$args[substr($k, 9)] = $v;
}
}
if ($action) {
common_redirect(common_local_url($action, $args), 303);
} else {
common_redirect(common_local_url('groupmembers',
array('nickname' => $this->group->nickname)),
303);
}
}
}