414 lines
14 KiB
PHP
414 lines
14 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: shenyang
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* Date: 2017/7/25
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* Time: 下午7:10
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*/
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namespace app\frontend\modules\deduction\orderGoods;
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use app\common\models\VirtualCoin;
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use app\frontend\models\order\PreOrderDeduction;
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use app\frontend\modules\deduction\InvalidOrderDeduction;
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use app\frontend\modules\deduction\orderGoods\amount\FixedAmount;
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use app\frontend\modules\deduction\orderGoods\amount\GoodsPriceProportion;
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use app\frontend\modules\deduction\orderGoods\amount\Invalid;
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use app\frontend\modules\deduction\orderGoods\amount\OrderGoodsDeductionAmount;
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use app\common\modules\orderGoods\models\PreOrderGoods;
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use \app\common\models\orderGoods\OrderGoodsDeduction;
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/**
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* 订单商品抵扣
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* Class PreOrderGoodsDeduction
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* @package app\frontend\models\orderGoods
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* @property string code
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* @property string name
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* @property float usable_amount
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* @property float usable_coin
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* @property float used_amount
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* @property float used_coin
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* @property int uid
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*/
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class PreOrderGoodsDeduction extends OrderGoodsDeduction
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{
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/**
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* @var PreOrderGoods
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*/
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public $orderGoods;
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/**
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* @var \app\frontend\modules\deduction\GoodsDeduction
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*/
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public $goodsDeduction;
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/**
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* 可用的虚拟币
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* @var VirtualCoin
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*/
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private $usablePoint;
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/**
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* 最少购买限制
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* @var VirtualCoin
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*/
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private $minLimitBuyCoin;
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/**
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* 已用的虚拟币
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* @var VirtualCoin
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*/
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private $usedPoint;
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/**
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* 订单抵扣模型
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* @var PreOrderDeduction
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*/
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private $orderDeduction;
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/**
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* 订单商品最高抵扣金额类
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* @var OrderGoodsDeductionAmount
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*/
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private $orderGoodsDeductionMaxAmount;
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/**
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* 订单商品最低抵扣金额类
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* @var OrderGoodsDeductionAmount
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*/
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private $orderGoodsDeductionMinAmount;
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protected $appends = ['usable_amount', 'usable_coin'];
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public function setOrderDeduction(PreOrderDeduction $orderDeduction)
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{
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$this->orderDeduction = $orderDeduction;
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}
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public function setOrderGoods(PreOrderGoods $orderGoods)
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{
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$this->orderGoods = $orderGoods;
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$this->uid = $orderGoods->uid;
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}
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/**
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* @return float
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*/
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public function getUsableAmountAttribute()
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{
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return $this->getUsableCoin()->getMoney();
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}
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/**
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* @return float|int
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*/
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public function getUsableCoinAttribute()
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{
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return $this->getUsableCoin()->getCoin();
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}
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/**
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* @return mixed
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* @throws \Exception
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*/
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public function getUsedAmountAttribute()
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{
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return $this->getUsedCoin()->getMoney();
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}
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/**
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* @return float|int
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* @throws \Exception
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*/
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public function getUsedCoinAttribute()
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{
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return $this->getUsedCoin()->getCoin();
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}
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/**
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* @return VirtualCoin
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*/
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private function newCoin()
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{
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return app('CoinManager')->make($this->code);
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}
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/**
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* 订单抵扣模型
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* @return PreOrderDeduction
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* @throws \Exception
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*/
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private function getOrderDeduction()
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{
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if (!isset($this->orderDeduction)) {
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$this->orderDeduction = $this->orderGoods->getOrder()->getOrderDeductions()->where('code', $this->code)->first();
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if (!$this->orderDeduction) {
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return new InvalidOrderDeduction();
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}
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}
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return $this->orderDeduction;
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}
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/**
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* 最多可用金额
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* @return OrderGoodsDeductionAmount
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*/
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private function getOrderGoodsMaxDeductionAmount()
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{
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if (!isset($this->orderGoodsDeductionMaxAmount)) {
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// 从商品抵扣中获取到类型
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switch ($this->getGoodsDeduction()->getMaxDeductionAmountCalculationType()) {
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case 'FixedAmount':
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$this->orderGoodsDeductionMaxAmount = new FixedAmount($this->orderGoods, $this->getGoodsDeduction());
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trace_log()->deduction("订单抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}最大限额使用固定金额");
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break;
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case 'GoodsPriceProportion':
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$this->orderGoodsDeductionMaxAmount = new GoodsPriceProportion($this->orderGoods, $this->getGoodsDeduction());
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trace_log()->deduction("订单抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}最大限额使用固定比例");
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break;
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default:
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$this->orderGoodsDeductionMaxAmount = new Invalid($this->orderGoods, $this->getGoodsDeduction());
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trace_log()->deduction("订单抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}最大限额设置无效");
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break;
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}
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}
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return $this->orderGoodsDeductionMaxAmount;
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}
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/**
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* 最小限额
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* @return OrderGoodsDeductionAmount
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*/
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private function getOrderGoodsMinDeductionAmount()
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{
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if (!isset($this->orderGoodsDeductionMinAmount)) {
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// 从商品抵扣中获取到类型
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switch ($this->getGoodsDeduction()->getMinDeductionAmountCalculationType()) {
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case 'FixedAmount':
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$this->orderGoodsDeductionMinAmount = new FixedAmount($this->orderGoods, $this->getGoodsDeduction());
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trace_log()->deduction("订单抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}最小限额使用固定金额");
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break;
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case 'GoodsPriceProportion':
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$this->orderGoodsDeductionMinAmount = new GoodsPriceProportion($this->orderGoods, $this->getGoodsDeduction());
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trace_log()->deduction("订单抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}最小限额使用固定比例");
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break;
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default:
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$this->orderGoodsDeductionMinAmount = new Invalid($this->orderGoods, $this->getGoodsDeduction());
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trace_log()->deduction("订单抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}未设置最小限额类型");
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break;
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}
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}
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return $this->orderGoodsDeductionMinAmount;
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}
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private function getGoodsDeduction()
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{
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if (!isset($this->goodsDeduction)) {
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$this->goodsDeduction = app('DeductionManager')->make('GoodsDeductionManager')->make($this->code, [$this->orderGoods->goods]);
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}
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return $this->goodsDeduction;
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}
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private $hasMinLimitBuyCoin;
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public function hasMinLimitBuyCoin()
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{
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if (isset($this->hasMinLimitBuyCoin)) {
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return $this->hasMinLimitBuyCoin;
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}
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return $this->hasMinLimitBuyCoin = $this->_hasMinLimitBuyCoin();
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}
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protected function _hasMinLimitBuyCoin()
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{
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if (!$this->getGoodsDeduction() || !$this->getGoodsDeduction()->deductible($this->orderGoods->goods)) {
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//todo 如果抵扣未开启，获取抵扣为空，返回了抵扣类，判断为true了，所以为必选中
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return false;
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// 购买商品不存在抵扣记录
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// return $this->newCoin();
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}
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return $this->getOrderGoodsMinDeductionAmount()->hasMinAmount();
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}
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/**
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* 最低使用虚拟币
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* @return mixed
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*/
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public function getMinLimitBuyCoin()
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{
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if (isset($this->minLimitBuyCoin)) {
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return $this->minLimitBuyCoin;
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}
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return $this->minLimitBuyCoin = $this->_getMinLimitBuyCoin();
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}
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/**
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* 最低使用虚拟币
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* @return mixed
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*/
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protected function _getMinLimitBuyCoin()
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{
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if (!$this->getGoodsDeduction() || !$this->getGoodsDeduction()->deductible($this->orderGoods->goods)) {
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// 购买商品不存在抵扣记录
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return $this->newCoin();
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}
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$amount = $this->getOrderGoodsMinDeductionAmount()->getMinAmount();
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$handleType = $this->getOrderDeduction()->getDeduction()->getAffectDeductionAmount();
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if ($handleType == 'integer') {
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$amount = intval($amount);
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}
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$coin = $this->newCoin()->setMoney($amount);//设置当前商品最低抵扣金额
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if($this->getOrderDeduction()->getCode() == 'point' && (int)$this->orderGoods->pointGoods->id > 0){
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// 当前商品是积分商品
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$coin = $coin->setPoint([
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'is_point' => 1,
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'use_point' => $this->orderGoods->pointGoods->point,
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'use_money' => $this->orderGoods->pointGoods->use_money,
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]);
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}
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// echo $this->getOrderDeduction()->getCode()." === ".$amount.'==='.$this->orderGoods->pointGoods->id.'==='.$this->orderGoods->goods_id,"\n";
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trace_log()->deduction("订单抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}最少需要抵扣{$coin->getMoney()}元");
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return $coin;
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}
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/**
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* 获取订单商品可用的虚拟币
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* @return VirtualCoin
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*/
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public function getUsableCoin()
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{
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if (isset($this->usablePoint)) {
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return $this->usablePoint;
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}
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return $this->usablePoint = $this->_getUsableCoin();
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}
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/**
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* 获取订单商品可用的虚拟币
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* @return $this|VirtualCoin
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*/
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private function _getUsableCoin()
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{
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if (!$this->getGoodsDeduction() || !$this->getGoodsDeduction()->deductible($this->orderGoods->goods)) {
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trace_log()->deduction('订单商品抵扣', "{$this->name} 购买商品不存在抵扣记录");
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// 购买商品不存在抵扣记录
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return $this->newCoin();
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}
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$amount = $this->getOrderGoodsMaxDeductionAmount()->getMaxAmount();
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$coin = $this->newCoin()->setMoney($amount);
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trace_log()->deduction("订单商品抵扣", "{$this->name} 商品{$this->orderGoods->goods_id}可抵扣{$coin->getMoney()}元");
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if($this->getOrderDeduction()->getCode() == 'point' && (int)$this->orderGoods->pointGoods->id > 0){
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// 当前商品是积分商品
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$coin = $coin->setPoint([
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'is_point' => 1,
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'use_point' => $this->orderGoods->pointGoods->point,
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'use_money' => $this->orderGoods->pointGoods->use_money,
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]);
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}
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return $coin;
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}
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/**
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* @return $this|VirtualCoin
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* @throws \Exception
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*/
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public function _getUsedCoin()
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{
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// 未选中
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if (!$this->getOrderDeduction()->isChecked()) return $this->newCoin();
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// 没有可用抵扣金额
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if ($this->getUsableCoin()->getMoney() <= 0 && $this->getUsableCoin()->getCoin() <= 0) return $this->newCoin();
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// 订单商品最低抵扣
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$amount = $this->getMinLimitBuyCoin()->getMoney();
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// 订单所有同类型的剩余抵扣
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$restAllDeductionAmount = $this->getOrderDeduction()->getMaxOrderGoodsDeduction()->getMoney() - $this->getOrderDeduction()->getMinDeduction()->getMoney();
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// dump($this->getOrderDeduction()->getCode().'--'.$this->orderGoods->goods_id);
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$restDeductionAmount = $this->getOrderDeduction()->getOrderGoodsDeductionAmount()
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- $this->getOrderDeduction()->getMinDeduction()->getMoney()
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- $this->getOrderDeduction()->getUsableFreightDeduction()->getMoney();
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// dump($restAllDeductionAmount, $restDeductionAmount);
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if ($restDeductionAmount) {
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// dump($this->getUsableCoin()->getMoney(), $restAllDeductionAmount, $restDeductionAmount);
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// 订单商品的剩余抵扣/ 订单所有同类型的剩余抵扣 获取订单商品占用的抵扣金额-d
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$amount += ($this->getUsableCoin()->getMoney() - $this->getMinLimitBuyCoin()->getMoney()) / $restAllDeductionAmount * $restDeductionAmount;
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// dump($amount, '------');
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}
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return $this->newCoin()->setMoney($amount);
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}
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/**
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* @return VirtualCoin|PreOrderGoodsDeduction
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* @throws \Exception
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*/
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public function getUsedCoin()
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{
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trace_log()->deduction('订单抵扣', "{$this->name} 订单商品计算已抵扣的虚拟币");
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if (isset($this->usedPoint)) {
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return $this->usedPoint;
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}
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return $this->usedPoint = $this->_getUsedCoin();
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}
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/**
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* @return bool
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* @throws \Exception
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*/
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public function used(){
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if($this->getOrderDeduction()->getCode() == 'point' && (int)$this->orderGoods->pointGoods->id > 0){
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// 当前商品是积分商品
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return true;
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}
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return $this->getOrderDeduction()->isChecked() && $this->getUsedCoin()->getCoin() > 0;
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}
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public function toArray()
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{
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$this->code = (string)$this->code;
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$this->name = (string)$this->name;
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$this->usable_amount = (float)$this->usable_amount;
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$this->usable_coin = (float)$this->usable_coin;
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$this->used_amount = (float)$this->used_amount;
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$this->used_coin = (float)$this->used_coin;
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return parent::toArray();
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}
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/**
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* @param array $options
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* @return bool
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* @throws \Exception
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*/
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public function save(array $options = [])
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{
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if (!$this->used()) return true;
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// 确保魔术属性最少执行一次
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$this->code = (string)$this->code;
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$this->name = (string)$this->name;
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$this->usable_amount = (float)$this->usable_amount;
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$this->usable_coin = (float)$this->usable_coin;
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$this->used_amount = (float)$this->used_amount;
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$this->used_coin = (float)$this->used_coin;
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return parent::save($options);
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}
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} |