<?php


/**
 * Class Day_k_base
 * @author		王刚涛
 * 日线数据
 */
class Index_day_k {

    static public function getInfoById($id)
    {
        $Table_index_day_k = new Table_index_day_k();
        return $Table_index_day_k->getInfoById($id);
    }

    static public function getInfoByCodeAndDate($code, $date)
    {
        $Table_index_day_k = new Table_index_day_k();
        return $Table_index_day_k->getInfoByCodeAndDate($code, $date);
    }

    static public function getList($filter = array(), $count=0, $page=0, $pagesize=0, $order=0)
    {
        $Table_index_day_k = new Table_index_day_k();
        return $Table_index_day_k->getList($filter, $count, $page, $pagesize, $order);
    }

    static public function getAllList()
    {
        $Table_index_day_k = new Table_index_day_k();
        return $Table_index_day_k->getList();
    }

    static public function getListOrderByDate($filter = array(), $count=0, $page=0, $pagesize=0, $order=0)
    {
        $Table_index_day_k = new Table_index_day_k();
        return $Table_index_day_k->getListOrderByDate($filter, $count, $page, $pagesize, $order);
    }

    static public function addOrUpdateByCodeDate($attrs)
    {
        if (empty($attrs)) throw new Exception('参数不能为空', 101);
        if (empty($attrs['code'])) throw new Exception('股票代码不能为空', 102);
        if (empty($attrs['date'])) throw new Exception('日期不能为空', 103);
        $Table_index_day_k = new Table_index_day_k();
        $id = $Table_index_day_k->addOrUpdateByCodeDate($attrs);
        return $id;
    }

    //找到某个指数指定某天之前有指定个数记录的前一天
    static public function getRecentDateByCode($code, $date, $dayCount)
    {
        //循环找到最近天数的起始日期
        $count = 0;
        $recent_date = AddOrSubDate($date, -$dayCount);
        do {
            $filter = array(
                'code' => array($code, '=s'),
                'date' => array($date, 'date_between', $recent_date),
            );
            $count = self::getList($filter, 1);
            $recent_date = AddOrSubDate($recent_date, -1);
        }while(($count < $dayCount) and ($recent_date >= AddOrSubDate(GLOBAL_BEGIN_DATE, -1)));
        return AddOrSubDate($recent_date, 1);
    }

}
?>