chaoyu/app/model/HistoryInfo.php

<?php
namespace app\model;

class HistoryInfo extends Base
{
    public static function onAfterInsert($item)
    {
        $item->sort  = $item->id;
        $item->save();
    }

    public static function getByHistoryIds($historyIds = [], $onlyVisible = false)
    {
        if(!is_array($historyIds) || count($historyIds) == 0) {
            return [];
        }
        $list = self::whereIn('history_id', $historyIds)
            ->when($onlyVisible, function ($query) {
                $query->where('visible', 1);
            })
            ->order(['history_id'=>'desc','sort'=>'desc'])
            ->select()
            ->toArray();
        $data = [];
        foreach ($list as $item) {
            $item['img_list']  = [];
            if(!empty($item['imgs'])) {
                $item['img_list']  = array_filter(explode(',', $item['imgs']));
            }
            $data[$item['history_id']][] = $item;
        }
        return $data;
    }

    public static function countByHistoryId($historyId)
    {
        return self::where('history_id', $historyId)->count();
    }

    public static function delByHistoryId($historyId)
    {
        return self::where('history_id', $historyId)->delete();
    }

    public static function getByHistoryId($historyId)
    {
        if($historyId <= 0) {
            return [];
        }
        return self::where('history_id', $historyId)->order(['sort'=>'desc'])->select()->toArray();
    }
}