KT-MyPage/app/Email/Members/EntryMessageBuilder.php

<?php

namespace App\Email\Members;

use App\Kintone\Models\SeasonTicketContractEntry;
use App\Kintone\Models\SeasonTicketContractPlan;

abstract class EntryMessageBuilder
{
    public static function getPaymentExplainStr(SeasonTicketContractEntry $entry): string
    {
        if (!$entry->paymentLimitDate) {
            return "";
        }
        if (!$entry->firstAmount) {
            return "";
        }

        $hiwariStr = !!$entry->hiwariAmount ? sprintf(
            "%d月分日割分%s円と",
            $entry->hiwariMonth,
            number_format($entry->hiwariAmount)
        ) : "";

        return sprintf(
            "※料金は利用日までの前払いのため、%s%d月分%s円 （合計%s円）を%sまでにお振込下さい。（手数料は振込者負担でお願い致します。）",
            $hiwariStr,
            $entry->targetMonth,
            number_format($entry->targetAmount),
            number_format($entry->firstAmount),
            $entry->paymentLimitDate->format("Y年m月d日")
        );
    }

    public static function getTaxExplain(SeasonTicketContractPlan $plan): string
    {
        return sprintf(
            "（消費税等含む，適用税率%d%% 　消費税額 %s円）",
            $plan->taxRate ?? 0,
            number_format($plan->taxAmount ?? 0),
        );
    }
}