gnu-social/plugins/TwitterBridge/daemons/synctwitterfriends.php

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#!/usr/bin/env php
<?php
/*
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* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, 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/>.
*/
define('INSTALLDIR', realpath(dirname(__FILE__) . '/../../..'));
$shortoptions = 'di::';
$longoptions = array('id::', 'debug');
$helptext = <<<END_OF_TRIM_HELP
Batch script for synching local friends with Twitter friends.
-i --id Identity (default 'generic')
-d --debug Debug (lots of log output)
END_OF_TRIM_HELP;
require_once INSTALLDIR . '/scripts/commandline.inc';
require_once INSTALLDIR . '/lib/parallelizingdaemon.php';
require_once INSTALLDIR . '/plugins/TwitterBridge/twitter.php';
require_once INSTALLDIR . '/plugins/TwitterBridge/twitterbasicauthclient.php';
require_once INSTALLDIR . '/plugins/TwitterBridge/twitteroauthclient.php';
/**
* Daemon to sync local friends with Twitter friends
*
* @category Twitter
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
*/
class SyncTwitterFriendsDaemon extends ParallelizingDaemon
{
/**
* Constructor
*
* @param string $id the name/id of this daemon
* @param int $interval sleep this long before doing everything again
* @param int $max_children maximum number of child processes at a time
* @param boolean $debug debug output flag
*
* @return void
*
**/
function __construct($id = null, $interval = 60,
$max_children = 2, $debug = null)
{
parent::__construct($id, $interval, $max_children, $debug);
}
/**
* Name of this daemon
*
* @return string Name of the daemon.
*/
function name()
{
return ('synctwitterfriends.' . $this->_id);
}
/**
* Find all the Twitter foreign links for users who have requested
* automatically subscribing to their Twitter friends locally.
*
* @return array flinks an array of Foreign_link objects
*/
function getObjects()
{
$flinks = array();
$flink = new Foreign_link();
$conn = &$flink->getDatabaseConnection();
$flink->service = TWITTER_SERVICE;
$flink->orderBy('last_friendsync');
$flink->limit(25); // sync this many users during this run
$flink->find();
while ($flink->fetch()) {
if (($flink->friendsync & FOREIGN_FRIEND_RECV) == FOREIGN_FRIEND_RECV) {
$flinks[] = clone($flink);
}
}
$conn->disconnect();
global $_DB_DATAOBJECT;
unset($_DB_DATAOBJECT['CONNECTIONS']);
return $flinks;
}
function childTask($flink) {
// Each child ps needs its own DB connection
// Note: DataObject::getDatabaseConnection() creates
// a new connection if there isn't one already
$conn = &$flink->getDatabaseConnection();
$this->subscribeTwitterFriends($flink);
$flink->last_friendsync = common_sql_now();
$flink->update();
$conn->disconnect();
// XXX: Couldn't find a less brutal way to blow
// away a cached connection
global $_DB_DATAOBJECT;
unset($_DB_DATAOBJECT['CONNECTIONS']);
}
function fetchTwitterFriends($flink)
{
$friends = array();
$client = null;
if (TwitterOAuthClient::isPackedToken($flink->credentials)) {
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
common_debug($this->name() . '- Grabbing friends IDs with OAuth.');
} else {
$client = new TwitterBasicAuthClient($flink);
common_debug($this->name() . '- Grabbing friends IDs with basic auth.');
}
try {
$friends_ids = $client->friendsIds();
} catch (Exception $e) {
common_log(LOG_WARNING, $this->name() .
' - error getting friend ids: ' .
$e->getMessage());
return $friends;
}
if (empty($friends_ids)) {
common_debug($this->name() .
" - Twitter user $flink->foreign_id " .
'doesn\'t have any friends!');
return $friends;
}
common_debug($this->name() . ' - Twitter\'s API says Twitter user id ' .
"$flink->foreign_id has " .
count($friends_ids) . ' friends.');
// Calculate how many pages to get...
$pages = ceil(count($friends_ids) / 100);
if ($pages == 0) {
common_debug($this->name() . " - $user seems to have no friends.");
}
for ($i = 1; $i <= $pages; $i++) {
try {
$more_friends = $client->statusesFriends(null, null, null, $i);
} catch (Exception $e) {
common_log(LOG_WARNING, $this->name() .
' - cURL error getting Twitter statuses/friends ' .
"page $i - " . $e->getCode() . ' - ' .
$e->getMessage());
}
if (empty($more_friends)) {
common_log(LOG_WARNING, $this->name() .
" - Couldn't retrieve page $i " .
"of Twitter user $flink->foreign_id friends.");
continue;
} else {
$friends = array_merge($friends, $more_friends);
}
}
return $friends;
}
function subscribeTwitterFriends($flink)
{
$friends = $this->fetchTwitterFriends($flink);
if (empty($friends)) {
common_debug($this->name() .
' - Couldn\'t get friends from Twitter for ' .
"Twitter user $flink->foreign_id.");
return false;
}
$user = $flink->getUser();
foreach ($friends as $friend) {
$friend_name = $friend->screen_name;
$friend_id = (int) $friend->id;
// Update or create the Foreign_user record for each
// Twitter friend
if (!save_twitter_user($friend_id, $friend_name)) {
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common_log(LOG_WARNING, $this->name() .
" - Couldn't save $screen_name's friend, $friend_name.");
continue;
}
// Check to see if there's a related local user
$friend_flink = Foreign_link::getByForeignID($friend_id,
TWITTER_SERVICE);
if (!empty($friend_flink)) {
// Get associated user and subscribe her
$friend_user = User::staticGet('id', $friend_flink->user_id);
if (!empty($friend_user)) {
$result = subs_subscribe_to($user, $friend_user);
if ($result === true) {
common_log(LOG_INFO,
$this->name() . ' - Subscribed ' .
"$friend_user->nickname to $user->nickname.");
} else {
common_debug($this->name() .
' - Tried subscribing ' .
"$friend_user->nickname to $user->nickname - " .
$result);
}
}
}
}
return true;
}
}
$id = null;
$debug = null;
if (have_option('i')) {
$id = get_option_value('i');
} else if (have_option('--id')) {
$id = get_option_value('--id');
} else if (count($args) > 0) {
$id = $args[0];
} else {
$id = null;
}
if (have_option('d') || have_option('debug')) {
$debug = true;
}
$syncer = new SyncTwitterFriendsDaemon($id, 60, 2, $debug);
$syncer->runOnce();