add new group action

1 files changed, 204 insertions, 0 deletions

diff --git a/actions/newgroup.php b/actions/newgroup.php
new file mode 100644
index 000000000..41c095ec0
--- /dev/null
+++ b/actions/newgroup.php
@@ -0,0 +1,204 @@
+<?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);
+    }
+}
\ No newline at end of file