baoshi-was/app/Batch.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Batch extends Model
{
    protected $fillable = [
        'id','code','type', 'wms_type', 'status', 'wms_status', 'wms_created_at',"remark",
    ];
    public function orders(){
        return $this->hasMany('App\Order','batch_id','id');
    }
    public function setProcessed(){
        $this['status'] = '已处理';
        $this->orders()->each(function (Order $order){
            $order->setProcessed();
        });
        $this->update();
    }
    public function assignBins(){
        $this->orders()->each(function (Order $order,$i){
            $bin=new OrderBin(['order_id'=>$order['id'],'number'=>($i+1)]);
            $bin->save();
        });
        return $this->orders()->count();
    }
    public function delete()
    {
        $this->orders()->each(function(Order $order){
            $order->delete();
        });
        return parent::delete(); // TODO: Change the autogenerated stub
    }

}