221 lines
6.9 KiB
JavaScript
221 lines
6.9 KiB
JavaScript
import {isTui} from '../../order_manage/order_goods_util.js'
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//计算打包费
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export function returnPackFee(arr, isOld = true) {
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if (isOld) {
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return arr.reduce((a, b) => {
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const bTotal = b.info
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.filter((v) => v.isGift !== "true" && v.status !== "return")
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.reduce((prve, cur) => {
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return prve + (cur.packFee || cur.packAmount || 0);
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}, 0);
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return a + bTotal;
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}, 0);
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} else {
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return arr.filter(v => v.status !== 'return' && v.isGift !== 'true').reduce((a, b) => {
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return a + (b.packFee || b.packAmount || 0);
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}, 0);
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}
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}
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//判断商品是否可以下单
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export function isCanBuy(skuGoods, goods) {
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if (goods.typeEnum == 'normal') {
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//单规格
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return goods.isGrounding && goods.isPauseSale == 0 && (goods.isStock ? goods.stockNumber > 0 : true);
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} else {
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//多规格
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return goods.isGrounding && goods.isPauseSale == 0 && skuGoods.isGrounding && skuGoods.isPauseSale == 0 && (goods.isStock ? goods.stockNumber > 0 : true);
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}
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}
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//字符匹配
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export function $strMatch(matchStr, str) {
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return matchStr.toLowerCase().includes(str.toLowerCase())
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}
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// 一个数组是否包含另外一个数组全部元素
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export function arrayContainsAll(arr1, arr2) {
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for (let i = 0; i < arr2.length; i++) {
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if (!arr1.includes(arr2[i])) {
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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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//n项 n-1项组合，生成全部结果
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export function generateCombinations(arr, k) {
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console.log(arr)
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console.log(k)
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let result = [];
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function helper(index, current) {
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if (current.length === k) {
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result.push(current.slice()); // 使用slice()来避免直接修改原始数组
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} else {
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for (let i = index; i < arr.length; i++) {
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current.push(arr[i]); // 将当前元素添加到组合中
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helper(i + 1, current); // 递归调用，索引增加以避免重复选择相同的元素
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current.pop(); // 回溯，移除当前元素以便尝试其他组合
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}
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}
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}
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helper(0, []); // 从索引0开始，初始空数组作为起点
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return result;
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}
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export function returnReverseVal(val, isReturnString = true) {
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const isBol = typeof val === "boolean";
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const isString = typeof val === "string";
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let reverseNewval = "";
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if (isBol) {
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reverseNewval = !val;
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}
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if (isString) {
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reverseNewval = val === "true" ? "false" : "true";
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}
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return reverseNewval;
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}
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export function returnGiftArr(arr) {
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let result = []
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for (let i = 0; i < arr.length; i++) {
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const info = arr[i].info
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for (let j = 0; j < info.length; j++) {
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if (info[j].isGift === 'true') {
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result.push(info[j])
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}
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}
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}
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return result
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}
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export function formatOrderGoodsList(arr) {
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const goodsMap = {}
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for (let i in arr) {
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const goods = arr[i]
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if (goods.productName != '客座费') {
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if (goodsMap.hasOwnProperty(goods.placeNum)) {
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goodsMap[goods.placeNum || 1].push(goods)
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} else {
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goodsMap[goods.placeNum || 1] = [goods]
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}
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}
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}
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return Object.entries(goodsMap).map(([key, value]) => ({
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info: value,
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placeNum: key || 1
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}))
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}
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export function returnIsSeatFee(item) {
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if (!item) {
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return false
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}
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return item.productId == "-999"?true:false;
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}
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/**
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* 计算购物车会员优惠价格
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*/
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export function returnVipDiscountPrice() {
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}
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//计算商品券优惠价格
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export function returnProductCouponPrice(coup, goodsArr, vipUser) {
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const item = goodsArr.find(v => v.productId == coup.proId);
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if(!item){
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return 0
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}
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const memberPrice = item.memberPrice ? item.memberPrice : item.price;
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const price = item ? (vipUser.isVip ? memberPrice : item.price) : 0;
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return price*coup.num
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}
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//返回新的商品列表，过滤掉退菜的，退单的商品
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export function returnNewGoodsList(arr) {
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let goodsMap={}
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return arr.filter(v => !isTui(v))
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}
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//根据当前购物车商品以及数量,已选券对应商品数量，判断该商品券是否可用
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export function returnCoupCanUse(goodsArr=[],coup,selCoupArr=[]) {
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if(!coup.use){
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return false
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}
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const findGoods=goodsArr.filter(v=>v.productId==coup.proId)
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if(!findGoods.length){
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return false
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}
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const findGoodsTotalNumber=findGoods.reduce((prve,cur)=>{
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return prve+cur.num*1
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},0)
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const selCoupNumber=selCoupArr.filter(v=>v.proId==coup.proId).reduce((prve,cur)=>{
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return prve+cur.num*1
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},0)
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if(selCoupNumber>=findGoodsTotalNumber){
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return false
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}
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return findGoodsTotalNumber<(coup.num+selCoupNumber)?false:true
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}
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//查找购物车商品根据购物车商品数据返回商品券信息（抵扣价格以及是否满足可用需求）
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export function returnProductCoupon(coup, goodsArr, vipUser,selCoupArr=[]) {
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const newGoodsArr = returnNewGoodsList(goodsArr)
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const item = newGoodsArr.find(v => v.productId == coup.proId);
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if(!item){
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return {...coup, discountAmount: 0,use:false}
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}
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const memberPrice = item.memberPrice ? item.memberPrice : item.price;
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const price = item ? (vipUser.isVip ? memberPrice : item.price) : 0;
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const discountAmount=(price*coup.num).toFixed(2)
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console.log(discountAmount);
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const canUse=!coup.use?false:(discountAmount>0&&returnCoupCanUse(goodsArr,coup,selCoupArr))
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// const canUse=discountAmount>0
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return { ...coup, discountAmount: discountAmount,use:canUse}
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}
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/**
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* 根据购物车商品计算商品券抵扣价格以及是否满足可用需求
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* 1.商品券对应商品数量大于购物车对应商品数量不可用
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* 2.未在购物车找到相关商品不可用
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* @param {*} coupArr
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* @param {*} goodsArr
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* @param {*} vipUser
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* @returns
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*/
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export function returnProductAllCoup(coupArr, goodsArr, vipUser){
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return coupArr.map((v) => {
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return returnProductCoupon(v, goodsArr, vipUser)
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})
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}
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//计算商品券总优惠价格
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export function returnProductCouponAllPrice(coupArr, goodsArr, vipUser) {
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if(coupArr.length == 0){
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return 0;
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}
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return coupArr.reduce((a, b) => {
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const price = returnProductCouponPrice(b, goodsArr, vipUser)
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return a + price;
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}, 0).toFixed(2);
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}
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//计算满减券总优惠价格
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export function returnFullReductionCouponAllPrice(coupArr) {
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if(coupArr.length == 0){
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return 0;
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}
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return coupArr.filter(v => v.type == 1).reduce((a, b) => {
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const price = b.discountAmount
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return a + price;
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}, 0).toFixed(2);
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}
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//计算优惠券总价格
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export function returnCouponAllPrice(coupArr, goodsArr, vipUser) {
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const poductAllprice=returnProductCouponAllPrice(coupArr, goodsArr, vipUser)
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const pointAllPrice=returnFullReductionCouponAllPrice(coupArr)
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return (poductAllprice*1+pointAllPrice*1).toFixed(2);
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} |