2008-11-19 01:11:28 +00:00
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<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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function get_twitter_data($uri, $screen_name, $password) {
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2008-12-23 19:19:07 +00:00
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$options = array(
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CURLOPT_USERPWD => sprintf("%s:%s", $screen_name, $password),
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_FAILONERROR => true,
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CURLOPT_HEADER => false,
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CURLOPT_FOLLOWLOCATION => true,
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// CURLOPT_USERAGENT => "identi.ca",
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CURLOPT_CONNECTTIMEOUT => 120,
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CURLOPT_TIMEOUT => 120
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);
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$ch = curl_init($uri);
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2008-11-19 01:11:28 +00:00
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curl_setopt_array($ch, $options);
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$data = curl_exec($ch);
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$errmsg = curl_error($ch);
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2008-12-23 19:19:07 +00:00
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if ($errmsg) {
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common_debug("Twitter bridge - cURL error: $errmsg - trying to load: $uri with user $twit_user.",
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__FILE__);
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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curl_close($ch);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return $data;
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2008-11-19 01:11:28 +00:00
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}
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function twitter_user_info($screen_name, $password) {
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2008-12-23 19:19:07 +00:00
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$uri = "http://twitter.com/users/show/$screen_name.json";
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$data = get_twitter_data($uri, $screen_name, $password);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if (!$data) {
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return false;
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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$twit_user = json_decode($data);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if (!$twit_user) {
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return false;
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return $twit_user;
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2008-11-19 01:11:28 +00:00
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}
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function update_twitter_user($fuser, $twitter_id, $screen_name) {
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2008-12-23 19:19:07 +00:00
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$original = clone($fuser);
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$fuser->nickname = $screen_name;
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$fuser->uri = 'http://twitter.com/' . $screen_name;
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$result = $fuser->updateKeys($original);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if (!$result) {
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common_log_db_error($fuser, 'UPDATE', __FILE__);
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return false;
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return true;
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2008-11-19 01:11:28 +00:00
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}
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function add_twitter_user($twitter_id, $screen_name) {
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2008-12-23 19:19:07 +00:00
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// Otherwise, create a new Twitter user
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$fuser = DB_DataObject::factory('foreign_user');
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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$fuser->nickname = $screen_name;
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$fuser->uri = 'http://twitter.com/' . $screen_name;
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$fuser->id = $twitter_id;
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$fuser->service = 1; // Twitter
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$fuser->created = common_sql_now();
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$result = $fuser->insert();
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if (!$result) {
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common_debug("Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name.");
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common_log_db_error($fuser, 'INSERT', __FILE__);
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return false;
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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common_debug("Twitter bridge - Added new Twitter user: $screen_name ($twitter_id).");
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return true;
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2008-11-19 01:11:28 +00:00
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}
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// Creates or Updates a Twitter user
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function save_twitter_user($twitter_id, $screen_name) {
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2008-12-23 19:19:07 +00:00
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// Check to see whether the Twitter user is already in the system,
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// and update its screen name and uri if so.
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$fuser = Foreign_user::getForeignUser($twitter_id, 1);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if ($fuser) {
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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// Only update if Twitter screen name has changed
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if ($fuser->nickname != $screen_name) {
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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common_debug('Twitter bridge - Updated nickname (and URI) for Twitter user ' .
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"$fuser->id to $screen_name, was $fuser->nickname");
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return update_twitter_user($fuser, $twitter_id, $screen_name);
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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} else {
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return add_twitter_user($twitter_id, $screen_name);
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return true;
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2008-11-19 01:11:28 +00:00
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}
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function retreive_twitter_friends($twitter_id, $screen_name, $password) {
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2008-12-23 19:19:07 +00:00
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$uri = "http://twitter.com/statuses/friends/$twitter_id.json?page=";
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$twitter_user = twitter_user_info($screen_name, $password);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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// Calculate how many pages to get...
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$pages = ceil($twitter_user->friends_count / 100);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if ($pages == 0) {
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common_debug("Twitter bridge - Twitter user $screen_name has no friends! Lame.");
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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$friends = array();
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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for ($i = 1; $i <= $pages; $i++) {
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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$data = get_twitter_data($uri . $i, $screen_name, $password);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if (!$data) {
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return NULL;
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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$more_friends = json_decode($data);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if (!$more_friends) {
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return NULL;
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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$friends = array_merge($friends, $more_friends);
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return $friends;
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2008-11-19 01:11:28 +00:00
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}
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function save_twitter_friends($user, $twitter_id, $screen_name, $password) {
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2008-12-23 19:19:07 +00:00
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$friends = retreive_twitter_friends($twitter_id, $screen_name, $password);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if (is_null($friends)) {
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common_debug("Twitter bridge - Couldn't get friends data from Twitter.");
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return false;
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}
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2008-11-19 01:11:28 +00:00
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foreach ($friends as $friend) {
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2008-12-23 19:19:07 +00:00
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$friend_name = $friend->screen_name;
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$friend_id = $friend->id;
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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// Update or create the Foreign_user record
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if (!save_twitter_user($friend_id, $friend_name)) {
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return false;
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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// Check to see if there's a related local user
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$flink = Foreign_link::getByForeignID($friend_id, 1);
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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if ($flink) {
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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// Get associated user and subscribe her
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$friend_user = User::staticGet('id', $flink->user_id);
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subs_subscribe_to($user, $friend_user);
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common_debug("Twitter bridge - subscribed $friend_user->nickname to $user->nickname.");
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}
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}
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2008-11-19 01:11:28 +00:00
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2008-12-23 19:19:07 +00:00
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return true;
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2008-11-19 01:11:28 +00:00
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}
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