baoshi-was/app/StationCacheShelfGrid.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use App\Traits\ModelLogChanging;

class StationCacheShelfGrid extends Model
{
    use ModelLogChanging;

    protected $fillable = ['station_id','material_box_id','grid_id','status'];

    public static $status = [
        '0' => '无',
        '1' => '待处理',
    ];

    public function station(): BelongsTo
    {
        return $this->belongsTo(Station::class);
    }

    public function materialBox(): BelongsTo
    {
        return $this->belongsTo(MaterialBox::class);
    }

    public static function getLocation(Station $station,StationCacheShelfGrid $grid)
    {

        $code = $station['code'];
        $grid_id = $grid['grid_id'];
        $row = 2- ($grid_id / 3) +1;
        $col = 2- ($grid_id % 3) +1;
        return 'HAI'.$code.'-0'.$row.'-0'.$col;
    }
}