170 lines
4.8 KiB
JavaScript
170 lines
4.8 KiB
JavaScript
import { mockIp, mockReqId } from '../../utils/mock';
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export const transformGoodsDataToConfirmData = (goodsDataList) => {
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const list = [];
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goodsDataList.forEach((goodsData) => {
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list.push({
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storeId: goodsData.storeId,
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spuId: goodsData.spuId,
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skuId: goodsData.skuId,
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goodsName: goodsData.title,
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image: goodsData.primaryImage,
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reminderStock: 119,
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quantity: goodsData.quantity,
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payPrice: goodsData.price,
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totalSkuPrice: goodsData.price,
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discountSettlePrice: goodsData.price,
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realSettlePrice: goodsData.price,
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settlePrice: goodsData.price,
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oriPrice: goodsData.originPrice,
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tagPrice: null,
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tagText: null,
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skuSpecLst: goodsData.specInfo,
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promotionIds: null,
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weight: 0.0,
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unit: 'KG',
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volume: null,
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masterGoodsType: 0,
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viceGoodsType: 0,
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roomId: goodsData.roomId,
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egoodsName: null,
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});
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});
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return list;
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};
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/** 生成结算数据 */
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export function genSettleDetail(params) {
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const { userAddressReq, couponList, goodsRequestList } = params;
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const resp = {
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data: {
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settleType: 0,
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userAddress: null,
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totalGoodsCount: 3,
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packageCount: 1,
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totalAmount: '289997',
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totalPayAmount: '',
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totalDiscountAmount: '110000',
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totalPromotionAmount: '1100',
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totalCouponAmount: '0',
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totalSalePrice: '289997',
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totalGoodsAmount: '289997',
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totalDeliveryFee: '0',
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invoiceRequest: null,
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skuImages: null,
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deliveryFeeList: null,
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storeGoodsList: [
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{
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storeId: '1000',
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storeName: '云Mall深圳旗舰店',
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remark: null,
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goodsCount: 1,
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deliveryFee: '0',
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deliveryWords: null,
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storeTotalAmount: '0',
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storeTotalPayAmount: '179997',
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storeTotalDiscountAmount: '110000',
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storeTotalCouponAmount: '0',
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skuDetailVos: [],
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couponList: [],
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},
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],
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inValidGoodsList: null,
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outOfStockGoodsList: null,
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limitGoodsList: null,
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abnormalDeliveryGoodsList: null,
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invoiceSupport: 1,
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},
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code: 'Success',
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msg: null,
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requestId: mockReqId(),
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clientIp: mockIp(),
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rt: 244,
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success: true,
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};
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const list = transformGoodsDataToConfirmData(goodsRequestList);
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// 获取购物车传递的商品数据
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if (resp.data.storeGoodsList && resp.data.storeGoodsList.length > 0 && resp.data.storeGoodsList[0]) {
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resp.data.storeGoodsList[0].skuDetailVos = list;
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}
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// 处理传入的优惠券数据
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const discountPrice = [];
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const selectedCoupons = [];
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if (couponList && couponList.length > 0) {
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couponList.forEach((coupon) => {
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if (coupon.status === 'default') {
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// 添加到折扣计算
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discountPrice.push({
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type: coupon.type,
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value: coupon.value,
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});
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// 添加到响应的couponList中
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selectedCoupons.push({
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couponId: coupon.id || coupon.couponId,
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storeId: coupon.storeId || '1000',
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});
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}
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});
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}
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// 将选中的优惠券设置到响应数据中
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if (resp.data.storeGoodsList && resp.data.storeGoodsList.length > 0 && resp.data.storeGoodsList[0]) {
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resp.data.storeGoodsList[0].couponList = selectedCoupons;
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}
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// 模拟计算场景
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// 计算总价
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const totalPrice = list.reduce((pre, cur) => {
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return pre + cur.quantity * Number(cur.settlePrice);
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}, 0);
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// 计算折扣
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const totalDiscountPrice =
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discountPrice.length > 0
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? discountPrice.reduce((pre, cur) => {
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if (cur.type === 1) {
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// 满减券：直接减去固定金额
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return pre + cur.value;
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}
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if (cur.type === 2) {
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// 折扣券：计算折扣金额
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// cur.value 是折扣值，如80表示8折
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// 8折意味着支付80%的价格，所以折扣金额 = 总价 * (100 - 折扣值) / 100
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const discountAmount = (Number(totalPrice) * (100 - cur.value)) / 100;
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console.log('折扣券计算:', {
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totalPrice: Number(totalPrice),
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discountValue: cur.value,
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finalPrice: Number(totalPrice) * cur.value / 100,
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discountAmount: discountAmount,
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formula: `折扣金额 = ${Number(totalPrice)} * (100 - ${cur.value}) / 100 = ${discountAmount}`
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});
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return pre + discountAmount;
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}
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return pre + cur;
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}, 0)
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: 0;
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resp.data.totalSalePrice = totalPrice;
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resp.data.totalCouponAmount = totalDiscountPrice;
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resp.data.totalPayAmount =
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totalPrice - totalDiscountPrice - Number(resp.data.totalPromotionAmount);
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if (userAddressReq) {
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resp.data.settleType = 1;
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resp.data.userAddress = userAddressReq;
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}
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return resp;
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}
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