erp/app/Services/Good/GoodService.php

<?php

namespace App\Services\Good;

use App\Events\BatchStockUpdateEvent;
use App\Models\BusinessOrderItem;
use App\Models\CombinationGood;
use App\Models\DailyStockRecord;
use App\Models\Goods;
use App\Models\GoodsSku;
use App\Models\GoodsType;
use App\Utils\DateTimeUtils;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Predis\Command\Redis\SUBSCRIBE;

class GoodService
{
    public function saveDefaultGoodsByGoodType($typeId)
    {
        $goodsType = GoodsType::query()->with("parentType")->where('id', "=", $typeId)
            ->first()->toArray();
        $params['type_id'] = $typeId;
        $parentName = "";
        $params['goods_code'] = static::getChCode($goodsType['id']);
        if (!empty($goodsType['parent_type']['id'])) {
            $params['goods_code'] .= "Z". static::getChCode($goodsType['parent_type']['id']);
            $parentName = $goodsType['parent_type']['name'] ?? '';
        }
        $saveData = $params;
        $saveData['title'] = $goodsType['name'] . " " .$parentName;
        return Goods::query()->firstOrCreate($params, $saveData);
    }

    public function getRandomCode()
    {
        $time = time();
        return substr($time, -7) . static::randomString(3);
    }

    public static function randomString($len = 32)
    {
        $chars = [
            "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",
            "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
            "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",
            "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
            "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",
            "3", "4", "5", "6", "7", "8", "9"
        ];

        // 将数组打乱
        shuffle($chars);

        $charsLen = count($chars) - 1;
        $output = "";
        for ($i = 0; $i < $len; $i++) {
            $output .= $chars[mt_rand(0, $charsLen)];
        }

        return $output;
    }

    /**
     * 获取非z的字符串
     * @param $intValue
     * @return string
     */
    public function getChCode($intValue)
    {
        $ch = range('A', 'Y');
        $result = '';
        while ($intValue) {
            $result = $ch[$intValue % 25] . $result;
            $intValue = intval($intValue / 25);
        }
        return $result;
    }

}