gnu-social/lib/twitterapi.php
zach c998c7c601 Twitter-compatible API: public_timeline.rss really works now
darcs-hash:20080716191847-ca946-9a75dd3aa07974408b269b31d1de3e49c5ae2a72.gz
2008-07-16 15:18:47 -04:00

216 lines
6.7 KiB
PHP

<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, 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/>.
*/
if (!defined('LACONICA')) { exit(1); }
class TwitterapiAction extends Action {
function handle($args) {
parent::handle($args);
}
function twitter_user_array($profile) {
$twitter_user = array();
$twitter_user['name'] = $profile->getBestName();
$twitter_user['followers_count'] = $this->count_subscriptions($profile);
$twitter_user['screen_name'] = $profile->nickname;
$twitter_user['description'] = ($profile->bio) ? $profile->bio : NULL;
$twitter_user['location'] = ($profile->location) ? $profile->location : NULL;
$twitter_user['id'] = intval($profile->id);
$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
$twitter_user['profile_image_url'] = ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE);
$twitter_user['protected'] = false; # not supported by Laconica yet
$twitter_user['url'] = ($profile->homepage) ? $profile->homepage : NULL;
return $twitter_user;
}
function twitter_status_array($notice) {
$twitter_status = array();
$twitter_status['text'] = $notice->content;
$twitter_status['truncated'] = false; # Not possible on Laconica
$twitter_status['created_at'] = $this->date_twitter($notice->created);
$twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ? intval($notice->reply_to) : NULL;
$twitter_status['source'] = NULL; # XXX: twitterific, twitterfox, etc. Not supported yet.
$twitter_status['id'] = intval($notice->id);
$twitter_status['in_reply_to_user_id'] = ($notice->reply_to) ? $this->replier_by_reply($notice->reply_to) : NULL;
$twitter_status['favorited'] = NULL; # XXX: Not implemented on Laconica yet.
$profile = $notice->getProfile();
$twitter_user = $this->twitter_user_array($profile);
$twitter_status['user'] = $twitter_user;
return $twitter_status;
}
function twitter_rss_entry_array($notice) {
$profile = $notice->getProfile();
$server = common_config('site', 'server');
$entry = array();
$entry['content'] = $profile->nickname . ': ' . $notice->content;
$entry['title'] = $entry['content'];
$entry['link'] = common_local_url('shownotice', array('notice' => $notice->id));;
$entry['published'] = $this->date_iso8601($notice->created);
$entry['id'] = "tag:http://$server,$entry[published]:$entry[link]";
$entry['updated'] = $entry['published'];
# RSS Item specific
$entry['description'] = $entry['content'];
$entry['pubDate'] = $this->date_rfc2822($notice->created);
$entry['guid'] = $entry['link'];
return $entry;
}
function render_twitter_xml_status($twitter_status) {
common_element_start('status');
common_element('created_at', NULL, $twitter_status['created_at']);
common_element('id', NULL, $twitter_status['id']);
common_element('text', NULL, $twitter_status['text']);
common_element('source', NULL, $twitter_status['source']);
common_element('truncated', NULL, $twitter_status['truncated']);
common_element('in_reply_to_status_id', NULL, $twitter_status['in_reply_to_status_id']);
common_element('in_reply_to_user_id', NULL, $twitter_status['in_reply_to_user_id']);
common_element('favorited', Null, $twitter_status['favorited']);
$this->render_twitter_xml_user($twitter_status['user']);
common_element_end('status');
}
function render_twitter_xml_user($twitter_user) {
common_element_start('user');
common_element('id', NULL, $twitter_user['id']);
common_element('name', NULL, $twitter_user['name']);
common_element('screen_name', NULL, $twitter_user['screen_name']);
common_element('location', NULL, $twitter_user['location']);
common_element('description', NULL, $twitter_user['description']);
common_element('profile_image_url', NULL, $twitter_user['profile_image_url']);
common_element('url', NULL, $twitter_user['url']);
common_element('protected', NULL, $twitter_user['protected']);
common_element('followers_count', NULL, $twitter_user['followers_count']);
common_element_end('user');
}
function show_twitter_rss_item($entry) {
common_element_start('item');
common_element('title', NULL, $entry['title']);
common_element('description', NULL, $entry['description']);
common_element('pubDate', NULL, $entry['pubDate']);
common_element('guid', NULL, $entry['guid']);
common_element('link', NULL, $entry['link']);
common_element_end('item');
}
function render_twitter_json_statuses($twitter_statuses) {
print(json_encode($twitter_statuses));
}
// Anyone know what date format this is?
// Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
function date_twitter($dt) {
$t = strtotime($dt);
return date("D M d G:i:s O Y", $t);
}
function date_rfc2822($dt) {
$t = strtotime($dt);
return date("r", $t);
}
function date_iso8601($dt) {
$t = strtotime($dt);
return date("c", $t);
}
function replier_by_reply($reply_id) {
$notice = Notice::staticGet($reply_id);
if (!$notice) {
common_debug("TwitterapiAction::replier_by_reply: Got a bad notice_id: $reply_id");
}
$profile = $notice->getProfile();
if (!$profile) {
common_debug("TwitterapiAction::replier_by_reply: Got a bad profile_id: $profile_id");
return false;
}
return intval($profile->id);
}
// XXX: Candidate for a general utility method somewhere?
function count_subscriptions($profile) {
$count = 0;
$sub = new Subscription();
$sub->subscribed = $profile->id;
if ($sub->find()) {
while ($sub->fetch()) {
if ($sub->token) {
$other = Remote_profile::staticGet('id', $sub->subscriber);
} else {
$other = User::staticGet('id', $sub->subscriber);
}
if (!$other) {
common_debug('Got a bad subscription: '.print_r($sub,TRUE));
continue;
}
$count++;
}
}
if ($count > 0) {
return $count;
}
return NULL;
}
function init_twitter_rss() {
common_start_xml();
common_element_start('rss', array('version' => '2.0'));
}
function end_twitter_rss() {
common_element_end('rss');
common_end_xml();
}
function get_twitter_channel() {
}
}