process_sheet/fastadmin/application/common/library/ps/TemplateLicense.php

<?php

namespace app\common\library\ps;

use app\common\model\ps\MarketLicense;
use app\common\model\ps\Template;
use think\Exception;

/**
 * 单次购买：导入本厂库一次，确认套打后锁定，不可再套打。
 */
class TemplateLicense
{
    /**
     * 套打前校验
     * @param Template $template
     * @param int      $factoryId
     * @throws Exception
     */
    public static function assertPrintable(Template $template, $factoryId)
    {
        if ((int)$template->is_system === 1) {
            return;
        }
        if ((int)$template->factory_id !== (int)$factoryId) {
            throw new Exception('模板不属于当前工厂');
        }
        if ($template->license_type === 'market_single' && (int)$template->locked === 1) {
            throw new Exception('该模板为单次购买，已使用过，不允许再次套打');
        }
    }

    /**
     * 确认套打后消耗单次授权
     * @param Template $template
     * @param int      $factoryId
     */
    public static function consumeOnConfirm(Template $template, $factoryId)
    {
        if ($template->license_type !== 'market_single' || (int)$template->locked === 1) {
            return;
        }
        $template->save([
            'locked'      => 1,
            'locked_time' => time(),
        ]);
        MarketLicense::where('factory_id', $factoryId)
            ->where('template_id', $template->id)
            ->where('license_type', 'single')
            ->update([
                'remain_times' => 0,
                'locked'       => 1,
                'used_time'    => time(),
            ]);
    }
}