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<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009-2010, StatusNet, 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/>.
*/
/**
* @package OStatusPlugin
* @maintainer Brion Vibber <brion@status.net>
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
/**
* Key UI methods:
*
* showInputForm() - form asking for a remote profile account or URL
* We end up back here on errors
*
* showPreviewForm() - surrounding form for preview-and-confirm
* preview() - display profile for a remote group
*
* success() - redirects to groups page on join
*/
class OStatusGroupAction extends OStatusSubAction
{
protected $profile_uri; // provided acct: or URI of remote entity
protected $oprofile; // Ostatus_profile of remote entity, if valid
function validateRemoteProfile()
{
if (!$this->oprofile->isGroup()) {
// Send us to the user subscription form for conf
$target = common_local_url('ostatussub', array(), array('profile' => $this->profile_uri));
common_redirect($target, 303);
}
}
/**
* Show the initial form, when we haven't yet been given a valid
* remote profile.
*/
function showInputForm()
{
$user = common_current_user();
$profile = $user->getProfile();
$this->elementStart('form', array('method' => 'post',
'id' => 'form_ostatus_sub',
'class' => 'form_settings',
'action' => $this->selfLink()));
$this->hidden('token', common_session_token());
$this->elementStart('fieldset', array('id' => 'settings_feeds'));
$this->elementStart('ul', 'form_data');
$this->elementStart('li');
$this->input('profile',
_m('Join group'),
$this->profile_uri,
_m("OStatus group's address, like http://example.net/group/nickname"));
$this->elementEnd('li');
$this->elementEnd('ul');
$this->submit('validate', _m('Continue'));
$this->elementEnd('fieldset');
$this->elementEnd('form');
}
/**
* Show a preview for a remote group's profile
* @return boolean true if we're ok to try joining
*/
function preview()
{
$oprofile = $this->oprofile;
$group = $oprofile->localGroup();
$cur = common_current_user();
if ($cur->isMember($group)) {
$this->element('div', array('class' => 'error'),
_m("You are already a member of this group."));
$ok = false;
} else {
$ok = true;
}
$this->showEntity($group,
$group->homeUrl(),
$group->homepage_logo,
$group->description);
return $ok;
}
/**
* Redirect on successful remote group join
*/
function success()
{
$cur = common_current_user();
$url = common_local_url('usergroups', array('nickname' => $cur->nickname));
common_redirect($url, 303);
}
/**
* Attempt to finalize subscription.
* validateFeed must have been run first.
*
* Calls showForm on failure or success on success.
*/
function saveFeed()
{
$user = common_current_user();
$group = $this->oprofile->localGroup();
if ($user->isMember($group)) {
// TRANS: OStatus remote group subscription dialog error.
$this->showForm(_m('Already a member!'));
return;
}
if (Event::handle('StartJoinGroup', array($group, $user))) {
$ok = Group_member::join($this->oprofile->group_id, $user->id);
if ($ok) {
Event::handle('EndJoinGroup', array($group, $user));
$this->success();
} else {
// TRANS: OStatus remote group subscription dialog error.
$this->showForm(_m('Remote group join failed!'));
}
} else {
// TRANS: OStatus remote group subscription dialog error.
$this->showForm(_m('Remote group join aborted!'));
}
}
/**
* Title of the page
*
* @return string Title of the page
*/
function title()
{
// TRANS: Page title for OStatus remote group join form
return _m('Confirm joining remote group');
}
/**
* Instructions for use
*
* @return instructions for use
*/
function getInstructions()
{
return _m('You can subscribe to groups from other supported sites. Paste the group\'s profile URI below:');
}
function selfLink()
{
return common_local_url('ostatusgroup');
}
}
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