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#!/usr/bin/env php
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008-2010, 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/>.
*/
define('INSTALLDIR', realpath(dirname(__FILE__) . '/../../..'));
// Tune number of processes and how often to poll Twitter
// XXX: Should these things be in config.php?
define('MAXCHILDREN', 2);
define('POLL_INTERVAL', 60); // in seconds
$shortoptions = 'di::';
$longoptions = array('id::', 'debug');
$helptext = <<<END_OF_TRIM_HELP
Batch script for retrieving Twitter messages from foreign service.
-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/common.php';
require_once INSTALLDIR . '/lib/daemon.php';
require_once INSTALLDIR . '/plugins/TwitterBridge/twitter.php';
require_once INSTALLDIR . '/plugins/TwitterBridge/twitteroauthclient.php';
/**
* Fetch statuses from Twitter
*
* Fetches statuses from Twitter and inserts them as notices
*
* NOTE: an Avatar path MUST be set in config.php for this
* script to work, e.g.:
* $config['avatar']['path'] = $config['site']['path'] . '/avatar/';
*
* @todo @fixme @gar Fix the above. For some reason $_path is always empty when
* this script is run, so the default avatar path is always set wrong in
* default.php. Therefore it must be set explicitly in config.php. --Z
*
* @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
* @link http://status.net/
*/
class TwitterStatusFetcher 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, $debug);
}
/**
* Name of this daemon
*
* @return string Name of the daemon.
*/
function name()
{
return ('twitterstatusfetcher.'.$this->_id);
}
/**
* Find all the Twitter foreign links for users who have requested
* importing of their friends' timelines
*
* @return array flinks an array of Foreign_link objects
*/
function getObjects()
{
global $_DB_DATAOBJECT;
$flink = new Foreign_link();
$conn = &$flink->getDatabaseConnection();
$flink->service = TWITTER_SERVICE;
$flink->orderBy('last_noticesync');
$flink->find();
$flinks = array();
while ($flink->fetch()) {
if (($flink->noticesync & FOREIGN_NOTICE_RECV) ==
FOREIGN_NOTICE_RECV) {
$flinks[] = clone($flink);
common_log(LOG_INFO, "sync: foreign id $flink->foreign_id");
} else {
common_log(LOG_INFO, "nothing to sync");
}
}
$flink->free();
unset($flink);
$conn->disconnect();
unset($_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();
$this->getTimeline($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 getTimeline($flink)
{
if (empty($flink)) {
common_log(LOG_WARNING, $this->name() .
" - Can't retrieve Foreign_link for foreign ID $fid");
return;
}
common_debug($this->name() . ' - Trying to get timeline for Twitter user ' .
$flink->foreign_id);
$client = null;
if (TwitterOAuthClient::isPackedToken($flink->credentials)) {
$token = TwitterOAuthClient::unpackToken($flink->credentials);
$client = new TwitterOAuthClient($token->key, $token->secret);
common_debug($this->name() . ' - Grabbing friends timeline with OAuth.');
} else {
common_debug("Skipping friends timeline for $flink->foreign_id since not OAuth.");
}
$timeline = null;
$lastId = Twitter_synch_status::getLastId($flink->foreign_id, 'home_timeline');
common_debug("Got lastId value '{$lastId}' for foreign id '{$flink->foreign_id}' and timeline 'home_timeline'");
try {
$timeline = $client->statusesHomeTimeline($lastId);
} catch (Exception $e) {
common_log(LOG_WARNING, $this->name() .
' - Twitter client unable to get friends timeline for user ' .
$flink->user_id . ' - code: ' .
$e->getCode() . 'msg: ' . $e->getMessage());
}
if (empty($timeline)) {
common_log(LOG_WARNING, $this->name() . " - Empty timeline.");
return;
}
common_debug(LOG_INFO, $this->name() . ' - Retrieved ' . sizeof($timeline) . ' statuses from Twitter.');
$importer = new TwitterImport();
// Reverse to preserve order
foreach (array_reverse($timeline) as $status) {
$notice = $importer->importStatus($status);
if (!empty($notice)) {
Inbox::insertNotice($flink->user_id, $notice->id);
}
}
if (!empty($timeline)) {
$lastId = twitter_id($timeline[0]);
Twitter_synch_status::setLastId($flink->foreign_id, 'home_timeline', $lastId);
common_debug("Set lastId value '$lastId' for foreign id '{$flink->foreign_id}' and timeline 'home_timeline'");
}
// Okay, record the time we synced with Twitter for posterity
$flink->last_noticesync = common_sql_now();
$flink->update();
}
}
$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;
}
$fetcher = new TwitterStatusFetcher($id, 60, 2, $debug);
$fetcher->runOnce();
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