<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Modules\SystemUser\Models\SysUserModel;

/**
 * 采购单单品对账标记模型（商品明细「已对账」勾选，入库持久化；存在记录=已标记）
 */
class PurchaseItemCheckModel extends Model
{
    protected $table = 'purchase_item_check';
    protected $primaryKey = 'id';

    protected $fillable = [
        'purchase_id',
        'product_id',
        'operator_id',
    ];

    protected $casts = [
        'purchase_id' => 'integer',
        'product_id' => 'integer',
        'operator_id' => 'integer',
        'created_at' => 'datetime:Y-m-d H:i:s',
    ];

    /**
     * 关联采购单
     */
    public function purchase(): BelongsTo
    {
        return $this->belongsTo(PurchaseOrderModel::class, 'purchase_id', 'id');
    }

    /**
     * 标记人（后台系统用户）
     */
    public function operator(): BelongsTo
    {
        return $this->belongsTo(SysUserModel::class, 'operator_id', 'id');
    }
}