<?php
/**
 * Repeat action.
 *
 * PHP version 5
 *
 * @category Action
 * @package  StatusNet
 * @author   Evan Prodromou <evan@status.net>
 * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
 * @link     http://status.net/
 *
 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET')) {
    exit(1);
}

/**
 * Repeat action
 *
 * @category Action
 * @package  StatusNet
 * @author   Evan Prodromou <evan@status.net>
 * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
 * @link     http://status.net/
 */
class RepeatAction extends Action
{
    var $user = null;
    var $notice = null;

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

        $this->user = common_current_user();

        if (empty($this->user)) {
            // TRANS: Client error displayed when trying to repeat a notice while not logged in.
            $this->clientError(_('Only logged-in users can repeat notices.'));
            return false;
        }

        $id = $this->trimmed('notice');

        if (empty($id)) {
            // TRANS: Client error displayed when trying to repeat a notice while not providing a notice ID.
            $this->clientError(_('No notice specified.'));
            return false;
        }

        $this->notice = Notice::staticGet('id', $id);

        if (empty($this->notice)) {
            // TRANS: Client error displayed when trying to repeat a non-existing notice.
            $this->clientError(_('No notice specified.'));
            return false;
        }

        if ($this->user->id == $this->notice->profile_id) {
            // TRANS: Client error displayed when trying to repeat an own notice.
            $this->clientError(_('You cannot repeat your own notice.'));
            return false;
        }

        $token  = $this->trimmed('token-'.$id);

        if (empty($token) || $token != common_session_token()) {
            $this->clientError(_('There was a problem with your session token. Try again, please.'));
            return false;
        }

        $profile = $this->user->getProfile();

        if ($profile->hasRepeated($id)) {
            // TRANS: Client error displayed when trying to repeat an already repeated notice.
            $this->clientError(_('You already repeated that notice.'));
            return false;
        }

        return true;
    }

    /**
     * Class handler.
     *
     * @param array $args query arguments
     *
     * @return void
     */
    function handle($args)
    {
        $repeat = $this->notice->repeat($this->user->id, 'web');

        if ($this->boolean('ajax')) {
            $this->startHTML('text/xml;charset=utf-8');
            $this->elementStart('head');
            // TRANS: Title after repeating a notice.
            $this->element('title', null, _('Repeated'));
            $this->elementEnd('head');
            $this->elementStart('body');
            $this->element('p', array('id' => 'repeat_response',
                                      'class' => 'repeated'),
                                // TRANS: Confirmation text after repeating a notice.
                                _('Repeated!'));
            $this->elementEnd('body');
            $this->elementEnd('html');
        } else {
            // @todo FIXME!
        }
    }
}