HT_DASHBOARD/app/Models/HtpmsCustomer/Existing/DiscountTicket.php

<?php

namespace App\Models\HtpmsCustomer\Existing;

use App\Models\Cast;
use App\Models\ColumnName;
use App\Util\DateUtil;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Query\Builder;
use Illuminate\Support\Facades\DB;

class DiscountTicket extends Model
{
    const COL_NAME_PARK_ID = 'park_id';
    const COL_NAME_TICKET_NAME = 'ticketname';
    const COL_NAME_DISCOUNT_TICKET_CODE = 'lineno';
    const COL_NAME_START_DATETIME = 'start_datetime';

    protected $connection = 'htpms_customer';
    protected $table = 'tbl2_discountticket';
    protected $fillable = []; // 参照専用

    protected $visible = [
        self::COL_NAME_TICKET_NAME,
        self::COL_NAME_DISCOUNT_TICKET_CODE,
        "ticket_name",
        ColumnName::DISCOUNT_TICKET_CODE,
    ];

    protected $casts = [
        self::COL_NAME_START_DATETIME => Cast::DATETIME,
    ];


    public static function getBuilder(string $name = 'main'): Builder
    {
        $now = DateUtil::now();
        $instance  = new static();
        $tablename = self::getTableName();
        $sub = function (Builder $query) use ($tablename) {
            $query->selectRaw('*, rank() over (partition by park_id, adjuster_id, lineno order by start_datetime desc) as rank')
                ->from($tablename)
                ->where('start_datetime', '<=', DB::raw('CURRENT_TIMESTAMP'));
        };
        return DB::connection($instance->getConnectionName())->table($sub, $name)->where($name . '.rank', 1);
    }

    public static function getTableName(): string
    {
        return (new static)->getTable();
    }
}