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+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Add a new group
+ *
+ * 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 Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @author Sarven Capadisli <csarven@controlyourself.ca>
+ * @copyright 2008-2009 Control Yourself, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+ exit(1);
+}
+
+/**
+ * Add a new group
+ *
+ * This is the form for adding a new group
+ *
+ * @category Group
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+class NewgroupAction extends Action
+{
+ var $msg;
+
+ function title()
+ {
+ return _('New group');
+ }
+
+ /**
+ * Prepare to run
+ */
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+
+ if (!common_config('inboxes','enabled')) {
+ $this->serverError(_('Inboxes must be enabled for groups to work'));
+ return false;
+ }
+
+ if (!common_logged_in()) {
+ $this->clientError(_('You must be logged in to create a group.'));
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Handle the request
+ *
+ * On GET, show the form. On POST, try to save the group.
+ *
+ * @param array $args unused
+ *
+ * @return void
+ */
+
+ function handle($args)
+ {
+ parent::handle($args);
+ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+ $this->trySave();
+ } else {
+ $this->showForm();
+ }
+ }
+
+ function showForm($msg=null)
+ {
+ $this->msg = $msg;
+ $this->showPage();
+ }
+
+ function showContent()
+ {
+ $form = new GroupEditForm($this);
+ $form->show();
+ }
+
+ function showPageNotice()
+ {
+ if ($this->msg) {
+ $this->element('p', 'error', $this->msg);
+ } else {
+ $this->element('p', 'instructions',
+ _('Use this form to create a new group.'));
+ }
+ }
+
+ function trySave()
+ {
+ $nickname = $this->trimmed('nickname');
+ $fullname = $this->trimmed('fullname');
+ $homepage = $this->trimmed('homepage');
+ $description = $this->trimmed('description');
+ $location = $this->trimmed('location');
+
+ if (!Validate::string($nickname, array('min_length' => 1,
+ 'max_length' => 64,
+ 'format' => NICKNAME_FMT))) {
+ $this->showForm(_('Nickname must have only lowercase letters '.
+ 'and numbers and no spaces.'));
+ return;
+ } else if ($this->nicknameExists($nickname)) {
+ $this->showForm(_('Nickname already in use. Try another one.'));
+ return;
+ } else if (!User_group::allowedNickname($nickname)) {
+ $this->showForm(_('Not a valid nickname.'));
+ return;
+ } else if (!is_null($homepage) && (strlen($homepage) > 0) &&
+ !Validate::uri($homepage,
+ array('allowed_schemes' =>
+ array('http', 'https')))) {
+ $this->showForm(_('Homepage is not a valid URL.'));
+ return;
+ } else if (!is_null($fullname) && strlen($fullname) > 255) {
+ $this->showForm(_('Full name is too long (max 255 chars).'));
+ return;
+ } else if (!is_null($description) && strlen($description) > 140) {
+ $this->showForm(_('description is too long (max 140 chars).'));
+ return;
+ } else if (!is_null($location) && strlen($location) > 255) {
+ $this->showForm(_('Location is too long (max 255 chars).'));
+ return;
+ }
+
+ $cur = common_current_user();
+
+ // Checked in prepare() above
+
+ assert(!is_null($cur));
+
+ $group = new User_group();
+
+ $group->query('BEGIN');
+
+ $group->nickname = $nickname;
+ $group->fullname = $fullname;
+ $group->homepage = $homepage;
+ $group->description = $description;
+ $group->location = $location;
+ $group->created = common_sql_now();
+
+ $result = $group->insert();
+
+ if (!$result) {
+ common_log_db_error($group, 'INSERT', __FILE__);
+ $this->serverError(_('Could not create group.'));
+ }
+
+ $member = new Group_member();
+
+ $member->group_id = $group->id;
+ $member->profile_id = $cur->id;
+ $member->is_admin = 1;
+ $member->created = $group->created;
+
+ $result = $member->insert();
+
+ if (!$result) {
+ common_log_db_error($member, 'INSERT', __FILE__);
+ $this->serverError(_('Could not set group membership.'));
+ }
+
+ $group->query('COMMIT');
+
+ common_redirect($group->homeUrl(), 307);
+ }
+
+ function nicknameExists($nickname)
+ {
+ $group = User_group::staticGet('nickname', $nickname);
+ return (!is_null($group) && $group != false);
+ }
+}
+