86 lines
2.0 KiB
PHP
86 lines
2.0 KiB
PHP
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<?php
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namespace app\model;
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use think\Model;
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use think\model\relation\HasOne;
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class Sku extends Base
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{
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// SKU 状态
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public const STATUS_ON = '1'; // 出售中
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public const STATUS_OFF = '0'; // 已下架
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// SKU 积分兑换限制
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public const ALLOW_ONLY_BUY = '0';
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public const ALLOW_BUY_AND_SCORE = '1';
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public const ALLOW_ONLY_SCORE = '2';
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public static function statusTextList(): array
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{
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return [
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(string)self::STATUS_ON => '在售',
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(string)self::STATUS_OFF => '已下架',
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];
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}
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public static function allowScoreTextList(): array
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{
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return [
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(string)self::ALLOW_ONLY_BUY => '购买',
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(string)self::ALLOW_BUY_AND_SCORE => '购买或积分兑换',
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(string)self::ALLOW_ONLY_SCORE => '积分兑换',
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];
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}
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public static function onAfterInsert(Model $item)
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{
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$item->sort = $item->id;
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$item->save();
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}
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/**
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* 模型关联：商品分类
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*
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* @return HasOne
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*/
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public function category(): HasOne
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{
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return $this->hasOne(SkuCategory::class, 'id', 'category_id');
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}
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/**
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* 生成 SKU coding
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* 年份 + 2位随机码 + 时间戳（秒[10位] + 微妙[4位]）
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* @length 18
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*/
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public static function generateCoding(): string
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{
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$randStr = str_pad(mt_rand(1,99), 2, '0', STR_PAD_LEFT);
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$prefix = date('y').$randStr;
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$mt = microtime(true);
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list($time, $micro) = explode('.', $mt);
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$micro = str_pad($micro, 4, '0', STR_PAD_RIGHT);
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$micro = substr($micro, 0, 4);
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return $prefix.$time.$micro;
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}
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/**
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* @return HasOne
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*/
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public function spu(): HasOne
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{
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return $this->hasOne(Spu::class, 'id', 'spu_id');
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}
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/**
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* 关联活动商品
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*
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* @return HasOne
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*/
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public function activity(): HasOne
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{
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return $this->hasOne(SpuActivity::class, 'id', 'spu_activity_id');
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}
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}
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