SATE-EasyReceipt/app/Models/Feature/ReceiptIssuingOrderFeature.php

<?php

namespace App\Models\Feature;

use App\Models\ColumnName;
use App\Models\ReceiptIssuingOrder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use LogicException;

trait ReceiptIssuingOrderFeature
{
    const COL_NAME_RECEIPT_ISSUING_ORDER_ID = ColumnName::RECEIPT_ISSUING_ORDER_ID;

    public function setReceiptIssuingOrder(ReceiptIssuingOrder|string $receiptIssuingOrder): static
    {
        $id = is_string($receiptIssuingOrder) ? $receiptIssuingOrder : $receiptIssuingOrder->id;
        data_set($this, self::COL_NAME_RECEIPT_ISSUING_ORDER_ID, $id);
        return $this;
    }

    public function receiptIssuingOrder(): BelongsTo
    {
        if ($this instanceof Model) {
            return $this->belongsTo(ReceiptIssuingOrder::class);
        } else {
            throw new LogicException("不正");
        }
    }
}