<?php
/**
 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2009, 2010, StatusNet, Inc.
 * Copyright (C) 2010, Free Software Foundation, Inc.
 *
 * Show a stream of a particular social object in this group.
 *
 * PHP version 5
 *
 * 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/>.
 *
 * @category  GNUSocial
 * @package   StatusNet
 * @author    Shashi Gowda <connect2shashi@gmail.com>
 * @copyright 2009, 2010, StatusNet, Inc.
 * @copyright 2010, Free Software Foundation, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://daisycha.in
 */


if (!defined('STATUSNET')) {
    exit(1);
}

require_once INSTALLDIR . '/actions/showgroup.php';

class SocialObjectGroupAction extends ShowgroupAction
{
    var $slug_plural = null;

    function title()
    {
        return $this->name_plural . ' in ' . parent::title();
    }


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

        $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;

        $nickname_arg = $this->arg('group');
        $nickname = common_canonical_nickname($nickname_arg);

        // Permanent redirect on non-canonical nickname

        if ($nickname_arg != $nickname) {
            $args = array('group' => $nickname);
            if ($this->page != 1) {
                $args['page'] = $this->page;
            }
            common_redirect(common_local_url('group'.$this->slug_plural, $args), 301);
            return false;
        }

        if (!$nickname) {
            $this->clientError(_('No nickname.'), 404);
            return false;
        }

        $local = Local_group::staticGet('nickname', $nickname);

        if (!$local) {
            $alias = Group_alias::staticGet('alias', $nickname);
            if ($alias) {
                $local = Local_group::staticGet('id', $alias->group_id);
                $args = array('group' => $local->nickname);
                if ($this->page != 1) {
                    $args['page'] = $this->page;
                }
                common_redirect(common_local_url('group'.$this->slug_plural, $args), 301);
                return false;
            } else {
                common_log(LOG_NOTICE, "Couldn't find local group for nickname '$nickname'");
                $this->clientError(_('No such group.'), 404);
                return false;
            }
        }

        $this->group = User_group::staticGet('id', $local->group_id);

        if (!$this->group) {
            $this->clientError(_('No such group.'), 404);
            return false;
        }

        common_set_returnto($this->selfUrl());

        return true;
    }

    function showGroupNotices()
    {
        list($notice, $objects) = "{$this->dbclass}"::groupStream(($this->page-1)*NOTICES_PER_PAGE,
                                           NOTICES_PER_PAGE + 1);

        $nl = new SocialObjectList($notice, $objects, $this);
        $cnt = $nl->show();

        $this->pagination($this->page > 1,
                          $cnt > NOTICES_PER_PAGE,
                          $this->page,
                          'group'.$this->slug_plural,
                          array('nickname' => $this->group->nickname));
    }
}