249 lines
7.9 KiB
PHP
249 lines
7.9 KiB
PHP
<?php
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namespace app\common\service\delivery;
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use app\common\library\helper;
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use app\common\model\Setting as SettingModel;
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use app\common\model\Delivery as DeliveryModel;
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use app\common\enum\OrderType as OrderTypeEnum;
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/**
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* 快递配送服务类
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* Class Delivery
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* @package app\common\service
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*/
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class Express
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{
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private $cityId; // 用户收货城市id
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private $goodsList; // 订单商品列表
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private $orderType; // 订单类型 (主商城、拼团)
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private $notInRuleGoodsId; // 不在配送范围的商品ID
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// 运费模板数据集
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private $data = [];
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/**
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* 构造方法
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* Express constructor.
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* @param $cityId
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* @param $goodsList
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* @param int $orderType
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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*/
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public function __construct($cityId, $goodsList, $orderType = OrderTypeEnum::MASTER)
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{
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// 赋值传参
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$this->cityId = $cityId;
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$this->goodsList = $goodsList;
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$this->orderType = $orderType;
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// 整合运费模板
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$this->initDeliveryTemplate();
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}
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/**
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* 验证用户收货地址是否在配送范围
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* @return bool
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*/
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public function isIntraRegion()
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{
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if (!$this->cityId) return false;
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foreach ($this->data as $item) {
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$cityIds = [];
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foreach ($item['delivery']['rule'] as $ruleItem) {
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$cityIds = array_merge($cityIds, $ruleItem['region_data']);
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}
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if (!in_array($this->cityId, $cityIds)) {
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$this->notInRuleGoodsId = current($item['goodsList'])['goods_id'];
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return false;
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}
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}
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return true;
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}
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/**
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* 获取不在配送范围的商品名称
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* @return null
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*/
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public function getNotInRuleGoodsName()
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{
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$item = helper::getArrayItemByColumn($this->goodsList, 'goods_id', $this->notInRuleGoodsId);
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return !empty($item) ? $item['goods_name'] : null;
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}
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/**
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* 获取订单的配送费用
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* @return float|string
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*/
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public function getDeliveryFee()
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{
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if (empty($this->cityId) || empty($this->goodsList) || $this->notInRuleGoodsId > 0) {
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return helper::number2(0.00);
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}
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// 处理商品包邮
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$this->freeshipping();
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// 计算配送金额
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foreach ($this->data as &$item) {
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// 计算当前配送模板的运费
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$item['delivery_fee'] = $this->calcDeliveryAmount($item);
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}
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// 根据运费组合策略获取最终运费金额
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return helper::number2($this->getFinalFreight());
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}
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/**
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* 根据运费组合策略 计算最终运费
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* @return double
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*/
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private function getFinalFreight()
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{
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// 运费合集
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$expressPriceArr = helper::getArrayColumn($this->data, 'delivery_fee');
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// 最终运费金额
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$expressPrice = 0.00;
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// 判断运费组合策略
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switch (SettingModel::getItem('trade')['freight_rule']) {
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case '10': // 策略1: 叠加
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$expressPrice = array_sum($expressPriceArr);
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break;
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case '20': // 策略2: 以最低运费结算
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$expressPrice = min($expressPriceArr);
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break;
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case '30': // 策略3: 以最高运费结算
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$expressPrice = max($expressPriceArr);
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break;
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}
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return $expressPrice;
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}
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/**
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* 处理商品包邮
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* @return bool
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*/
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private function freeshipping()
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{
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// 订单商品总金额
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$orderTotalPrice = helper::getArrayColumnSum($this->goodsList, 'total_price');
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// 获取满额包邮设置
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$options = SettingModel::getItem('full_free');
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foreach ($this->data as &$item) {
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$item['free_goods_list'] = [];
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foreach ($item['goodsList'] as $goodsItem) {
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if (
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$this->orderType === OrderTypeEnum::MASTER
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&& $options['is_open'] == true
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&& $orderTotalPrice >= $options['money']
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&& !in_array($goodsItem['goods_id'], $options['notin_goods'])
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&& !in_array($this->cityId, $options['notin_region']['citys'])
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) {
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$item['free_goods_list'][] = $goodsItem['goods_id'];
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}
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}
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}
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return true;
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}
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/**
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* 计算当前配送模板的运费
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* @param $item
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* @return float|mixed|string
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*/
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private function calcDeliveryAmount($item)
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{
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// 获取运费模板下商品总数量or总重量
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if (!$totality = $this->getItemGoodsTotal($item)) {
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return 0.00;
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}
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// 当前收货城市配送规则
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$deliveryRule = $this->getCityDeliveryRule($item['delivery']);
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if ($totality <= $deliveryRule['first']) {
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return $deliveryRule['first_fee'];
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}
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// 续件or续重 数量
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$additional = $totality - $deliveryRule['first'];
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if ($additional <= $deliveryRule['additional']) {
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return helper::bcadd($deliveryRule['first_fee'], $deliveryRule['additional_fee']);
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}
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// 计算续重/件金额
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if ($deliveryRule['additional'] < 1) {
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// 配送规则中续件为0
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$additionalFee = 0.00;
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} else {
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$additionalFee = helper::bcdiv($deliveryRule['additional_fee'], $deliveryRule['additional']) * $additional;
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}
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return helper::bcadd($deliveryRule['first_fee'], $additionalFee);
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}
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/**
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* 获取运费模板下商品总数量or总重量
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* @param $item
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* @return int|string
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*/
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private function getItemGoodsTotal($item)
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{
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$totalWeight = 0; // 总重量
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$totalNum = 0; // 总数量
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foreach ($item['goodsList'] as $goodsItem) {
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// 如果商品为包邮，则不计算总量中
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if (!in_array($goodsItem['goods_id'], $item['free_goods_list'])) {
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$goodsWeight = helper::bcmul($goodsItem['goods_sku']['goods_weight'], $goodsItem['total_num']);
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$totalWeight = helper::bcadd($totalWeight, $goodsWeight);
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$totalNum = helper::bcadd($totalNum, $goodsItem['total_num']);
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}
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}
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return $item['delivery']['method']['value'] == 10 ? $totalNum : $totalWeight;
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}
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/**
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* 根据城市id获取规则信息
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* @param
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* @return array|false
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*/
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private function getCityDeliveryRule($delivery)
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{
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foreach ($delivery['rule'] as $item) {
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if (in_array($this->cityId, $item['region_data'])) {
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return $item;
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}
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}
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return false;
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}
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/**
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* 整合运费模板
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* @return bool
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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*/
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private function initDeliveryTemplate()
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{
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// 运费模板ID集
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$deliveryIds = helper::getArrayColumn($this->goodsList, 'delivery_id');
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// 运费模板列表
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$deliveryList = (new DeliveryModel)->getListByIds(array_values(array_unique($deliveryIds)));
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// 整理数据集
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foreach ($deliveryList as $item) {
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$this->data[$item['delivery_id']]['delivery'] = $item;
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$this->data[$item['delivery_id']]['goodsList'] = $this->getGoodsListByDeliveryId($item['delivery_id']);
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}
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return true;
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}
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/**
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* 根据运费模板id整理商品集
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* @param $deliveryId
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* @return array
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*/
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private function getGoodsListByDeliveryId($deliveryId)
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{
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$data = [];
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foreach ($this->goodsList as $item) {
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$item['delivery_id'] == $deliveryId && $data[] = $item;
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}
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return $data;
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}
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} |