Plugin to follow all new users by default

plugins/FollowEveryone/FollowEveryonePlugin.php

@@ -0,0 +1,106 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * When a new user registers, all existing users follow them automatically.
+ *
+ * PHP version 5
+ *
+ * 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  Community
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+/**
+ * Plugin to make all users follow each other at registration
+ *
+ * Users can unfollow afterwards if they want.
+ *
+ * @category  Sample
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class FollowEveryonePlugin extends Plugin
+{
+    /**
+     * Called when a new user is registered.
+     *
+     * We find all users, and try to subscribe them to the new user, and
+     * the new user to them. Exceptions (like silenced users or whatever)
+     * are caught, logged, and ignored.
+     *
+     * @param Profile &$newProfile The new user's profile
+     * @param User    &$newUser    The new user
+     *
+     * @return boolean hook value
+     *
+     */
+
+    function onEndUserRegister(&$newProfile, &$newUser)
+    {
+        $otherUser = new User();
+        $otherUser->whereAdd('id != ' . $newUser->id);
+
+        if ($otherUser->find()) {
+            while ($otherUser->fetch()) {
+                $otherProfile = $otherUser->getProfile();
+                try {
+                    Subscription::start($otherProfile, $newProfile);
+                    Subscription::start($newProfile, $otherProfile);
+                } catch (Exception $e) {
+                    common_log(LOG_WARNING, $e->getMessage());
+                    continue;
+                }
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Provide version information about this plugin.
+     *
+     * @param Array &$versions Array of version data
+     *
+     * @return boolean hook value
+     *
+     */
+
+    function onPluginVersion(&$versions)
+    {
+        $versions[] = array('name' => 'FollowEveryone',
+                            'version' => STATUSNET_VERSION,
+                            'author' => 'Evan Prodromou',
+                            'homepage' => 'http://status.net/wiki/Plugin:FollowEveryone',
+                            'rawdescription' =>
+                            _m('New users follow everyone at registration and are followed in return.'));
+        return true;
+    }
+}