gnu-social/actions/facebookhome.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/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once INSTALLDIR.'/lib/facebookaction.php';
class FacebookhomeAction extends FacebookAction
{
function handle($args)
{
parent::handle($args);
$facebook = get_facebook();
$fbuid = $facebook->require_login();
// If the user has opted not to initially allow the app to have
// Facebook status update permission, store that preference. Only
// promt the user the first time she uses the app
if ($this->arg('skip')) {
$facebook->api_client->data_setUserPreference(
FACEBOOK_PROMPTED_UPDATE_PREF, 'true');
}
// Check to see whether there's already a Facebook link for this user
$flink = Foreign_link::getByForeignID($fbuid, FACEBOOK_SERVICE);
if ($flink) {
$user = $flink->getUser();
common_set_user($user);
// If this is the first time the user has started the app
// prompt for Facebook status update permission
if (!$facebook->api_client->users_hasAppPermission('status_update')) {
if ($facebook->api_client->data_getUserPreference(
FACEBOOK_PROMPTED_UPDATE_PREF) != 'true') {
$this->getUpdatePermission();
return;
}
}
// Use is authenticated and has already been prompted once for
// Facebook status update permission? Then show the main page
// of the app
$this->showHome($flink, null);
} else {
// User hasn't authenticated yet, prompt for creds
$this->login($fbuid);
}
}
function login($fbuid)
{
$nickname = common_canonical_nickname($this->trimmed('nickname'));
$password = $this->arg('password');
$msg = null;
if ($nickname) {
if (common_check_user($nickname, $password)) {
$user = User::staticGet('nickname', $nickname);
if (!$user) {
$this->showLoginForm(_("Server error - couldn't get user!"));
}
$flink = DB_DataObject::factory('foreign_link');
$flink->user_id = $user->id;
$flink->foreign_id = $fbuid;
$flink->service = FACEBOOK_SERVICE;
$flink->created = common_sql_now();
$flink->set_flags(true, false, false);
$flink_id = $flink->insert();
// XXX: Do some error handling here
$this->setDefaults();
//$this->showHome($flink, _('You can now use Identi.ca from Facebook!'));
$this->getUpdatePermission();
return;
} else {
$msg = _('Incorrect username or password.');
}
}
$this->showLoginForm($msg);
}
function setDefaults()
{
$facebook = get_facebook();
// A default prefix string for notices
$facebook->api_client->data_setUserPreference(
FACEBOOK_NOTICE_PREFIX, 'dented: ');
$facebook->api_client->data_setUserPreference(
FACEBOOK_PROMPTED_UPDATE_PREF, 'false');
}
function showHome($flink, $msg)
{
$facebook = get_facebook();
$fbuid = $facebook->require_login();
$user = $flink->getUser();
$notice = $user->getCurrentNotice();
update_profile_box($facebook, $fbuid, $user, $notice);
$this->showHeader('Home');
if ($msg) {
common_element('fb:success', array('message' => $msg));
}
echo $this->show_notices($user);
$this->showFooter();
}
function show_notices($user)
{
$page = $this->trimmed('page');
if (!$page) {
$page = 1;
}
$notice = $user->noticesWithFriends(($page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1);
$cnt = $this->show_notice_list($notice);
common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
$page, 'all', array('nickname' => $user->nickname));
}
function show_notice_list($notice)
{
$nl = new FacebookNoticeList($notice);
return $nl->show();
}
function getUpdatePermission() {
$facebook = get_facebook();
$fbuid = $facebook->require_login();
start_fbml();
common_element('link', array('rel' => 'stylesheet',
'type' => 'text/css',
'href' => getFacebookCSS()));
$this->showLogo();
common_element_start('div', array('class' => 'content'));
// Figure what the URL of our app is.
$app_props = $facebook->api_client->Admin_getAppProperties(
array('canvas_name', 'application_name'));
$app_url = 'http://apps.facebook.com/' . $app_props['canvas_name'] . '/index.php';
$app_name = $app_props['application_name'];
$instructions = sprintf(_('If you would like the %s app to automatically update ' .
'your Facebook status with your latest notice, you need ' .
'to give it permission.'), $app_name);
common_element_start('p');
common_element('span', array('id' => 'permissions_notice'), $instructions);
common_element_end('p');
common_element_start('form', array('method' => 'post',
'action' => $app_url,
'id' => 'facebook-skip-permissions'));
common_element_start('ul', array('id' => 'fb-permissions-list'));
common_element_start('li', array('id' => 'fb-permissions-item'));
common_element_start('fb:prompt-permission', array('perms' => 'status_update',
'next_fbjs' => 'document.setLocation(\'' . $app_url . '\')'));
common_element('span', array('class' => 'facebook-button'),
_('Allow Identi.ca to update my Facebook status'));
common_element_end('fb:prompt-permission');
common_element_end('li');
common_element_start('li', array('id' => 'fb-permissions-item'));
common_submit('skip', _('Skip'));
common_element_end('li');
common_element_end('ul');
common_element_end('form');
common_element_end('div');
common_end_xml();
}
}