caipan_shop_admin/app/model/Spu.php

<?php

namespace app\model;

use think\model\relation\HasOne;

class Spu extends Base
{
    public const TYPE_NORMAL     = 'normal';//普通商品
    public const TYPE_SCORE      = 'score';//积分商品
    public const TYPE_GROUP_BUY  = 'group_buy';// 团购
    public const TYPE_GROUP_MAKE = 'group_make';// 拼团
    public const TYPE_LIMIT_TIME = 'limit_time';// 限时折扣

    public const SPU_TYPE_ENTITY  = 'entity';// 商品类型-实体
    public const SPU_TYPE_VIRTUAL = 'virtual';// 商品类型-虚拟

    public static function statusTextList(): array
    {
        return [
            (string) self::COMMON_ON  => '已上架',
            (string) self::COMMON_OFF => '已下架',
        ];
    }

    /**
     * 正常商品列表查询字段
     *
     * @return string[]
     */
    public static function spuListFields(): array
    {
        return [
            'id', 'name', 'price', 'original_price', 'cover', 'stock', 'amount', 'is_activity', 'activity_type', 'activity_id'
        ];
    }

    /**
     * 积分商品列表查询字段
     *
     * @return string[]
     */
    public static function scoreListFields(): array
    {
        return self::spuListFields();
    }

    /**
     * 活动类型
     *
     * @return string[]
     */
    public static function activityList(): array
    {
        return [
            self::TYPE_LIMIT_TIME,
        ];
    }

    /**
     * 活动列表
     *
     * @return array
     */
    public static function activity(): array
    {
        $list = [];
        foreach (self::activityList() as $item) {
            $arr          = [];
            $arr['value']  = $item;
            $arr['name'] = self::activityTextList()[$item];
            $list[]       = $arr;
        }

        return $list;
    }

    /**
     * 活动类型说明
     *
     * @return string[]
     */
    public static function activityTextList(): array
    {
        return [
            self::TYPE_LIMIT_TIME => '限时折扣',
        ];
    }

    /**
     * 商品类型
     *
     * @return string[]
     */
    public static function spuTypeTextList(): array
    {
        return [
            self::SPU_TYPE_ENTITY  => '实体物品',
            self::SPU_TYPE_VIRTUAL => '虚拟物品',
        ];
    }

    /**
     * 限购周期 单位-天
     *
     * @return string[]
     */
    public static function limitList(): array
    {
        return [
            '0'       => '不限',
            '1'       => '每天',
            '7'       => '每周',
            '30'      => '每月',
            '365'     => '每年',
            '9999999' => '终身',
        ];
    }

    /**
     * @return HasOne
     */
    public function limitTime(): HasOne
    {
        return $this->hasOne(SpuActivity::class, 'id', 'activity_id');
    }
}