baoshi-was/app/ProcurementDeliverie.php

<?php

namespace App;

use App\Traits\ModelTimeFormat;
use Illuminate\Database\Eloquent\Model;

use App\Traits\ModelLogChanging;
use Illuminate\Support\Facades\App;

class ProcurementDeliverie extends Model
{
    use ModelLogChanging;
    use ModelTimeFormat;

    protected $fillable=[
        'procurement_id','amount', 'initiator','status','signer','signed_at',
    ];

    public function procurement(){
        return $this->belongsTo('App\Procurement','procurement_id','id');
    }

    public function receiver(){
        return $this->belongsTo('App\User','signer','id');
    }
}