gnu-social/lib/facebookutil.php

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<?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/>.
*/
require_once INSTALLDIR.'/extlib/facebook/facebook.php';
require_once INSTALLDIR.'/lib/noticelist.php';
define("FACEBOOK_SERVICE", 2); // Facebook is foreign_service ID 2
define("FACEBOOK_NOTICE_PREFIX", 1);
define("FACEBOOK_PROMPTED_UPDATE_PREF", 2);
// Gets all the notices from users with a Facebook link since a given ID
function get_facebook_notices($since)
{
$qry = 'SELECT notice.* ' .
'FROM notice ' .
'JOIN foreign_link ' .
'WHERE notice.profile_id = foreign_link.user_id ' .
'AND foreign_link.service = 2';
// XXX: What should the limit be?
return Notice::getStreamDirect($qry, 0, 100, 0, 0, null, $since);
}
function get_facebook()
{
$apikey = common_config('facebook', 'apikey');
$secret = common_config('facebook', 'secret');
return new Facebook($apikey, $secret);
}
function start_fbml($indent = true)
{
global $xw;
$xw = new XMLWriter();
$xw->openURI('php://output');
$xw->setIndent($indent);
}
function update_profile_box($facebook, $fbuid, $user, $notice)
{
// Need to include inline CSS for styling the Profile box
$style = '<style>
#notices {
clear: both;
margin: 0 auto;
padding: 0;
list-style-type: none;
width: 600px;
border-top: 1px solid #dec5b5;
}
#notices a:hover {
text-decoration: underline;
}
.notice_single {
clear: both;
display: block;
margin: 0;
padding: 5px 5px 5px 0;
min-height: 48px;
font-family: Georgia, "Times New Roman", Times, serif;
font-size: 13px;
line-height: 16px;
border-bottom: 1px solid #dec5b5;
background-color:#FCFFF5;
opacity:1;
}
.notice_single:hover {
background-color: #f7ebcc;
}
.notice_single p {
display: inline;
margin: 0;
padding: 0;
}
</style>';
global $xw;
$xw = new XMLWriter();
$xw->openMemory();
$item = new FacebookNoticeListItem($notice);
$item->show();
$fbml = "<fb:wide>$style " . $xw->outputMemory(false) . "</fb:wide>";
$fbml .= "<fb:narrow>$style " . $xw->outputMemory(false) . "</fb:narrow>";
$fbml_main = "<fb:narrow>$style " . $xw->outputMemory(false) . "</fb:narrow>";
$facebook->api_client->profile_setFBML(null, $fbuid, $fbml, null, null, $fbml_main);
}
function getFacebookCSS()
{
# Add a timestamp to the CSS file so Facebook cache wont ignore our changes
$ts = filemtime(theme_file('facebookapp.css'));
$cssurl = theme_path('facebookapp.css') . "?ts=$ts";
return $cssurl;
}
function getFacebookJS() {
# Add a timestamp to the FBJS file so Facebook cache wont ignore our changes
$ts = filemtime(INSTALLDIR.'/js/facebookapp.js');
$jsurl = common_path('js/facebookapp.js') . "?ts=$ts";
return $jsurl;
}
class FacebookNoticeList extends NoticeList
{
/**
* show the list of notices
*
* "Uses up" the stream by looping through it. So, probably can't
* be called twice on the same list.
*
* @return int count of notices listed.
*/
function show()
{
common_element_start('div', array('id' =>'notices_primary'));
common_element('h2', null, _('Notices'));
common_element_start('ul', array('class' => 'notices'));
$cnt = 0;
while ($this->notice->fetch() && $cnt <= NOTICES_PER_PAGE) {
$cnt++;
if ($cnt > NOTICES_PER_PAGE) {
break;
}
$item = $this->newListItem($this->notice);
$item->show();
}
common_element_end('ul');
common_element_end('div');
return $cnt;
}
/**
* returns a new list item for the current notice
*
* Overridden to return a Facebook specific list item.
*
* @param Notice $notice the current notice
*
* @return FacebookNoticeListItem a list item for displaying the notice
* formatted for display in the Facebook App.
*/
function newListItem($notice)
{
return new FacebookNoticeListItem($notice);
}
}
class FacebookNoticeListItem extends NoticeListItem
{
/**
* recipe function for displaying a single notice in the Facebook App.
*
* Overridden to strip out some of the controls that we don't
* want to be available.
*
* @return void
*/
function show()
{
$this->showStart();
common_element_start('div', 'entry-title');
$this->showAuthor();
$this->showContent();
common_element_end('div');
common_element_start('div', 'entry-content');
$this->showNoticeLink();
$this->showNoticeSource();
$this->showReplyTo();
common_element_end('div');
$this->showEnd();
}
function showStart()
{
// XXX: RDFa
// TODO: add notice_type class e.g., notice_video, notice_image
common_element_start('li', array('class' => 'hentry notice',
'id' => 'notice-' . $this->notice->id));
}
function showNoticeLink()
{
$noticeurl = common_local_url('shownotice',
array('notice' => $this->notice->id));
// XXX: we need to figure this out better. Is this right?
if (strcmp($this->notice->uri, $noticeurl) != 0 &&
preg_match('/^http/', $this->notice->uri)) {
$noticeurl = $this->notice->uri;
}
common_element_start('dl', 'timestamp');
common_element('dt', null, _('Published'));
common_element_start('dd', null);
common_element_start('a', array('rel' => 'bookmark',
'href' => $noticeurl));
$dt = common_date_iso8601($this->notice->created);
common_element('abbr', array('class' => 'published',
'title' => $dt),
common_date_string($this->notice->created));
common_element_end('a');
common_element_end('dd');
common_element_end('dl');
}
}