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<?php
/**
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 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2011, StatusNet, Inc.
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 *
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 * Add a new event
 * 
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 * 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/>.
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 *
 * @category  Event
 * @package   StatusNet
 * @author    Evan Prodromou <evan@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
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 */
if (!defined('STATUSNET')) {
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    // This check helps protect against security problems;
    // your code file can't be executed directly from the web.
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    exit(1);
}

/**
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 * Add a new event
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 *
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 * @category  Event
 * @package   StatusNet
 * @author    Evan Prodromou <evan@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
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 */
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class NeweventAction extends Action
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{
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    protected $user        = null;
    protected $error       = null;
    protected $complete    = null;
    protected $title       = null;
    protected $location    = null;
    protected $description = null;
    protected $start_time  = null;
    protected $end_time    = null;
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    /**
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     * Returns the title of the action
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     *
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     * @return string Action title
     */

    function title()
    {
        return _('New event');
    }

    /**
     * For initializing members of the class.
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     *
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     * @param array $argarray misc. arguments
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     *
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     * @return boolean true
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     */
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    function prepare($argarray)
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    {
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        parent::prepare($argarray);
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        $this->user = common_current_user();

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        if (empty($this->user)) {
            throw new ClientException(_("Must be logged in to post a event."),
                                      403);
        }

        if ($this->isPost()) {
            $this->checkSessionToken();
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        }

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        $this->title       = $this->trimmed('title');
        $this->location    = $this->trimmed('location');
        $this->description = $this->trimmed('description');

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        $start_date = $this->trimmed('start_date');
        $start_time = $this->trimmed('start_time');
        $end_date   = $this->trimmed('end_date');
        $end_time   = $this->trimmed('end_time');

        $this->start_time = strtotime($start_date . ' ' . $start_time);
        $this->end_time   = strtotime($end_date . ' ' . $end_time);

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        return true;
    }

    /**
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     * Handler method
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     *
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     * @param array $argarray is ignored since it's now passed in in prepare()
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     *
     * @return void
     */
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    function handle($argarray=null)
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    {
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        parent::handle($argarray);

        if ($this->isPost()) {
            $this->newEvent();
        } else {
            $this->showPage();
        }
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        return;
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    }

    /**
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     * Add a new event
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     *
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     * @return void
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     */
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    function newEvent()
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    {
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        try {
            if (empty($this->title)) {
                throw new ClientException(_('Event must have a title.'));
            }

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            if (empty($this->start_time)) {
                throw new ClientException(_('Event must have a start time.'));
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            }

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            if (empty($this->end_time)) {
                throw new ClientException(_('Event must have an end time.'));
            }
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            $saved = Event::saveNew($this->user->getProfile(),
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                                    $this->start_time,
                                    $this->end_time,
                                    $this->title,
                                    $this->location,
                                    $this->description);
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        } catch (ClientException $ce) {
            $this->error = $ce->getMessage();
            $this->showPage();
            return;
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        }
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    }

    /**
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     * Show the event form
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     *
     * @return void
     */
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    function showContent()
    {
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        if (!empty($this->error)) {
            $this->element('p', 'error', $this->error);
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        }
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        $form = new EventForm($this);

        $form->show();

        return;
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    }

    /**
     * Return true if read only.
     *
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     * MAY override
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     *
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     * @param array $args other arguments
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     *
     * @return boolean is read only action?
     */
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    function isReadOnly($args)
    {
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        if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
            $_SERVER['REQUEST_METHOD'] == 'HEAD') {
            return true;
        } else {
            return false;
        }
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    }
}