<?php
/**
 * 考试-标签信息表
 * @author: houyingcai
 * @date : 2017-05-19 18:06:47
 */

namespace Common\Model;

class LikeModel extends AbstractModel
{

    /**
     * 构造方法
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * 根据答卷ID进行分组查询点赞记录
     * @autor 蔡建华
     *
     * @param array $ea_ids 答卷id集合
     * @param string $fields 返回字段
     *
     * @return array
     */
    public function getLikeCount($ea_ids = [], $fields = '*')
    {
        // 组装查询语句
        $where = 'status <? AND domain=?';
        // 操作状态和域名
        $params[] = LikeModel::ST_DELETE;
        $params[] = QY_DOMAIN;

        if (!empty($ea_ids)) {
            $where .= ' and ea_id in(?)';
            $params[] = $ea_ids;
        }
        $sql = 'SELECT ' . $fields . ' FROM __TABLE__ WHERE ' . $where . 'GROUP BY ea_id';

        return $this->_m->fetch_array($sql, $params);
    }
}