gnu-social/actions/facebookhome.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); }

require_once(INSTALLDIR.'/lib/facebookaction.php');

class FacebookhomeAction extends FacebookAction
{

    function handle($args)
    {
        parent::handle($args);

        $this->login();
    }

    function login()
    {

        $user = null;

        $facebook = get_facebook();
        $fbuid = $facebook->require_login();

        # check to see whether there's already a Facebook link for this user
        $flink = Foreign_link::getByForeignID($fbuid, 2); // 2 == Facebook

        if ($flink) {

            $user = $flink->getUser();
            $this->show_home($facebook, $fbuid, $user);

        } else {

            # Make the user put in her Laconica creds
            $nickname = common_canonical_nickname($this->trimmed('nickname'));
            $password = $this->arg('password');

            if ($nickname) {

                if (common_check_user($nickname, $password)) {


                    $user = User::staticGet('nickname', $nickname);

                    if (!$user) {
                        echo '<fb:error message="Coudln\'t get user!" />';
                        $this->show_login_form();
                    }

                    $flink = DB_DataObject::factory('foreign_link');
                    $flink->user_id = $user->id;
                    $flink->foreign_id = $fbuid;
                    $flink->service = 2; # Facebook
                    $flink->created = common_sql_now();
                    $flink->set_flags(true, false, false);

                    $flink_id = $flink->insert();

                    if ($flink_id) {
                        echo '<fb:success message="You can now use Identi.ca from Facebook!" />';
                    }

                    $this->show_home($facebook, $fbuid, $user);

                    return;
                } else {
                    echo '<fb:error message="Incorrect username or password." />';
                }
            }

            $this->show_login_form();
        }

    }

    function show_home($facebook, $fbuid, $user)
    {

        $this->show_header('Home');

        echo $this->show_notices($user);
        $this->update_profile_box($facebook, $fbuid, $user);

        $this->show_footer();
    }

    function show_notices($user)
    {

        $page = $this->trimmed('page');
        if (!$page) {
            $page = 1;
        }

        $notice = $user->noticesWithFriends(($page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1);

        echo '<ul id="notices">';

        $cnt = 0;

        while ($notice->fetch() && $cnt <= NOTICES_PER_PAGE) {
            $cnt++;

            if ($cnt > NOTICES_PER_PAGE) {
                break;
            }

            echo $this->render_notice($notice);
        }

        echo '<ul>';

        $this->pagination($page > 1, $cnt > NOTICES_PER_PAGE,
                          $page, 'index.php', array('nickname' => $user->nickname));

    }

}