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-rw-r--r--plugins/OStatus/actions/ostatusgroup.php181
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diff --git a/plugins/OStatus/actions/ostatusgroup.php b/plugins/OStatus/actions/ostatusgroup.php
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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('Group profile URL'),
+ $this->profile_uri,
+ _m('Enter the profile URL of a group on another StatusNet site'));
+ $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->getProfileUrl(),
+ $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');
+ }
+}