<?php
/**
 * Data class to record responses to polls
 *
 * PHP version 5
 *
 * @category PollPlugin
 * @package  StatusNet
 * @author   Brion Vibber <brion@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) 2011, 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);
}

/**
 * For storing the poll options and such
 *
 * @category PollPlugin
 * @package  StatusNet
 * @author   Brion Vibber <brion@status.net>
 * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
 * @link     http://status.net/
 *
 * @see      DB_DataObject
 */

class Poll_response extends Managed_DataObject
{
    public $__table = 'poll_response'; // table name
    public $poll_id;     // char(36) primary key not null -> UUID
    public $profile_id;  // int -> profile.id
    public $selection;   // int -> choice #
    public $created;     // datetime

    /**
     * Get an instance by key
     *
     * This is a utility method to get a single instance with a given key value.
     *
     * @param string $k Key to use to lookup (usually 'user_id' for this class)
     * @param mixed  $v Value to lookup
     *
     * @return User_greeting_count object found, or null for no hits
     *
     */

    function staticGet($k, $v=null)
    {
        return Memcached_DataObject::staticGet('Poll_response', $k, $v);
    }

    /**
     * Get an instance by compound key
     *
     * This is a utility method to get a single instance with a given set of
     * key-value pairs. Usually used for the primary key for a compound key; thus
     * the name.
     *
     * @param array $kv array of key-value mappings
     *
     * @return Bookmark object found, or null for no hits
     *
     */

    function pkeyGet($kv)
    {
        return Memcached_DataObject::pkeyGet('Poll_response', $kv);
    }

    /**
     * The One True Thingy that must be defined and declared.
     */
    public static function schemaDef()
    {
        return array(
            'description' => 'Record of responses to polls',
            'fields' => array(
                'poll_id' => array('type' => 'char', 'length' => 36, 'not null' => true, 'description' => 'UUID'),
                'profile_id' => array('type' => 'int'),
                'selection' => array('type' => 'int'),
                'created' => array('type' => 'datetime', 'not null' => true),
            ),
            'unique keys' => array(
                'poll_response_poll_id_profile_id_key' => array('poll_id', 'profile_id'),
            ),
            'indexes' => array(
                'poll_response_profile_id_poll_id_index' => array('profile_id', 'poll_id'),
            )
        );
    }
}