This commit is contained in:
gyq 2025-10-13 13:30:26 +08:00
parent aabbeced98
commit aa82851361
2 changed files with 365 additions and 677 deletions

300
package-lock.json generated
View File

@ -7,6 +7,7 @@
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@ -21,7 +22,6 @@
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@ -1646,252 +1646,6 @@
"win32"
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@ -3570,6 +3324,7 @@
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"dev": true,
"dependencies": {
"ms": "^2.1.3"
},
@ -5832,7 +5587,8 @@
"node_modules/ms": {
"version": "2.1.3",
"resolved": "https://registry.npmmirror.com/ms/-/ms-2.1.3.tgz",
"integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
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"dev": true
},
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"version": "3.3.11",
@ -6881,54 +6637,6 @@
"randombytes": "^2.1.0"
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View File

@ -1,10 +1,6 @@
import {
BigNumber
} from "bignumber.js";
import { BigNumber } from "bignumber.js";
import _ from "lodash";
/**
* 返回商品单价
* @param goods 商品
@ -12,19 +8,19 @@ import _ from "lodash";
* @param {Object} shopInfo
*/
export function returnGoodsPrice(goods, user, shopInfo) {
if (!goods) {
return 0
}
if (goods.discount_sale_amount * 1 > 0) {
return goods.discount_sale_amount;
}
if (shopInfo && !shopInfo.isMemberPrice) {
return goods.salePrice;
}
if (user.isVip && goods.memberPrice * 1 <= goods.salePrice * 1 && goods.memberPrice * 1 > 0) {
return goods.memberPrice;
}
return goods.salePrice;
if (!goods) {
return 0;
}
if (goods.discount_sale_amount * 1 > 0) {
return goods.discount_sale_amount;
}
if (shopInfo && !shopInfo.isMemberPrice) {
return goods.salePrice;
}
if (user.isVip && goods.memberPrice * 1 <= goods.salePrice * 1 && goods.memberPrice * 1 > 0) {
return goods.memberPrice;
}
return goods.salePrice;
}
/**
@ -32,15 +28,15 @@ export function returnGoodsPrice(goods, user, shopInfo) {
* @param arr 商品列表
*/
export function returnGoodsGroupMap(arr) {
let map = {};
arr.forEach((v) => {
const key = v.productId + "_" + v.skuId;
if (!map[key]) {
map[key] = [];
}
map[key].push(v);
});
return map;
let map = {};
arr.forEach((v) => {
const key = v.productId + "_" + v.skuId;
if (!map[key]) {
map[key] = [];
}
map[key].push(v);
});
return map;
}
/**
@ -48,17 +44,17 @@ export function returnGoodsGroupMap(arr) {
* @param coupon
*/
export function returnCoupType(coupon) {
const couponTypes = {
1: "满减券",
2: "商品券",
3: "折扣券",
4: "第二件半价券",
5: "消费送券",
6: "买一送一券",
7: "固定价格券",
8: "免配送费券",
};
return couponTypes[coupon.type] || "未知类型";
const couponTypes = {
1: "满减券",
2: "商品券",
3: "折扣券",
4: "第二件半价券",
5: "消费送券",
6: "买一送一券",
7: "固定价格券",
8: "免配送费券",
};
return couponTypes[coupon.type] || "未知类型";
}
/**
@ -68,37 +64,37 @@ export function returnCoupType(coupon) {
* @param user 用户信息
*/
export function returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user) {
const types = [2, 4, 6];
// 收集已抵扣商品并关联对应的优惠券类型
const goodsCouponGoods = selCoupon
.filter((v) => types.includes(v.type))
.reduce((prev, cur) => {
// 给每个抵扣商品添加所属优惠券类型
const goodsWithType = cur.discount.hasDiscountGoodsArr.map(goods => ({
...goods,
couponType: cur.type // 记录该商品是被哪种类型的优惠券抵扣的
}));
prev.push(...goodsWithType);
return prev;
}, []);
const arr = _.cloneDeep(canDikouGoodsArr)
.map((v) => {
const findCart = goodsCouponGoods.find((carts) => carts.id == v.id);
if (findCart) {
// 根据优惠券类型判断扣减数量
if ([4, 6].includes(findCart.couponType)) {
// 类型4第二件半价或6买一送一数量减2
v.num -= 2;
} else {
// 其他类型如类型2商品券按原逻辑扣减对应数量
v.num -= findCart.num;
}
}
return v;
})
.filter((v) => v.num > 0); // 过滤掉数量<=0的商品
const types = [2, 4, 6];
// 收集已抵扣商品并关联对应的优惠券类型
const goodsCouponGoods = selCoupon
.filter((v) => types.includes(v.type))
.reduce((prev, cur) => {
// 给每个抵扣商品添加所属优惠券类型
const goodsWithType = cur.discount.hasDiscountGoodsArr.map((goods) => ({
...goods,
couponType: cur.type, // 记录该商品是被哪种类型的优惠券抵扣的
}));
prev.push(...goodsWithType);
return prev;
}, []);
const arr = _.cloneDeep(canDikouGoodsArr)
.map((v) => {
const findCart = goodsCouponGoods.find((carts) => carts.id == v.id);
if (findCart) {
// 根据优惠券类型判断扣减数量
if ([4, 6].includes(findCart.couponType)) {
// 类型4第二件半价或6买一送一数量减2
v.num -= 2;
} else {
// 其他类型如类型2商品券按原逻辑扣减对应数量
v.num -= findCart.num;
}
}
return v;
})
.filter((v) => v.num > 0); // 过滤掉数量<=0的商品
return arr;
return arr;
}
/**
@ -118,177 +114,178 @@ export function returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user) {
* @returns {Object} - { canUse: boolean, reason: string } 可用状态及不可用原因
*/
export function returnCouponCanUse(args) {
let {
canDikouGoodsArr,
coupon,
goodsOrderPrice,
user,
selCoupon,
shopInfo
} = args;
// 优惠券未启用
if (!coupon.use) {
return {
canUse: false,
reason:coupon.noUseRestrictions|| "不在可用时间段内"
};
}
let { canDikouGoodsArr, coupon, goodsOrderPrice, user, selCoupon, shopInfo } = args;
// 优惠券未启用
if (!coupon.use) {
return {
canUse: false,
reason: coupon.noUseRestrictions || "不在可用时间段内",
};
}
// 计算门槛金额
let fullAmount = goodsOrderPrice;
canDikouGoodsArr = returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user, shopInfo);
//优惠券指定门槛商品列表
let canCalcGoodsArr = [...canDikouGoodsArr]
//部分商品参与门槛计算
if (coupon.thresholdFoods.length) {
canCalcGoodsArr = canDikouGoodsArr.filter((v) => {
return coupon.thresholdFoods.find((food) => food.id == v.productId);
});
fullAmount = canCalcGoodsArr.reduce((pre, cur) => {
return pre + returnGoodsPrice(cur, user, shopInfo) * cur.num;
}, 0);
}
// 计算门槛金额
let fullAmount = goodsOrderPrice;
canDikouGoodsArr = returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user, shopInfo);
//优惠券指定门槛商品列表
let canCalcGoodsArr = [...canDikouGoodsArr];
//部分商品参与门槛计算
if (coupon.thresholdFoods.length) {
canCalcGoodsArr = canDikouGoodsArr.filter((v) => {
return coupon.thresholdFoods.find((food) => food.id == v.productId);
});
fullAmount = canCalcGoodsArr.reduce((pre, cur) => {
return pre + returnGoodsPrice(cur, user, shopInfo) * cur.num;
}, 0);
}
// 是否全部商品可用
const isDikouAll = coupon.useFoods.length === 0;
// 订单可用商品列表
let canUseGoodsArr = [];
if (!isDikouAll) {
canUseGoodsArr = canDikouGoodsArr.filter((v) => {
return coupon.useFoods.find((food) => food.id == v.productId);
});
}
if (user.isVip && !coupon.vipPriceShare) {
return {
canUse: false,
reason: "非会员可用",
};
}
if (selCoupon.length > 0 && !selCoupon[0].otherCouponShare) {
return {
canUse: false,
reason: "当前选中的券不可与其他券同享",
};
}
if (selCoupon.length > 0 && !coupon.otherCouponShare) {
return {
canUse: false,
reason: "当前选中的券不可与其他券同享",
};
}
// 满减券和折扣券计算门槛金额是否满足
if ([1, 3].includes(coupon.type)) {
if (canCalcGoodsArr.length <= 0) {
return {
canUse: false,
reason: "没有可参与计算门槛的商品",
};
}
// 不满足门槛金额
if (fullAmount < coupon.fullAmount) {
return {
canUse: false,
reason: `${coupon.fullAmount}元可用,当前可参与金额${fullAmount}`,
};
}
}
// 商品兑换券,第二件半价和买一送一判断是否有可用商品
if ([2, 4, 5].includes(coupon.type)) {
console.log("商品兑换券", fullAmount, coupon.fullAmount);
if (coupon.type == 2 && fullAmount < coupon.fullAmount) {
console.log("商品兑换券", coupon);
return {
canUse: false,
reason: `${coupon.fullAmount}元可用,当前可参与金额${fullAmount}`,
};
}
// 没有符合条件的商品
if (isDikouAll && canDikouGoodsArr.length === 0) {
return {
canUse: false,
reason: "没有符合条件的商品",
};
}
if (!isDikouAll && canUseGoodsArr.length === 0) {
return {
canUse: false,
reason: "没有符合条件的商品",
};
}
}
//商品兑换券是否达到门槛金额
if (coupon.type == 2 && goodsOrderPrice < coupon.fullAmount) {
return {
canUse: false,
reason: `${coupon.fullAmount}元可用,当前可参与金额${fullAmount}`,
};
}
// 是否全部商品可用
const isDikouAll = coupon.useFoods.length === 0;
// 订单可用商品列表
let canUseGoodsArr = [];
if (!isDikouAll) {
canUseGoodsArr = canDikouGoodsArr.filter((v) => {
return coupon.useFoods.find((food) => food.id == v.productId);
});
}
if (user.isVip && !coupon.vipPriceShare) {
return {
canUse: false,
reason: "非会员可用"
};
}
if (selCoupon.length > 0 && !selCoupon[0].otherCouponShare) {
return {
canUse: false,
reason: "当前选中的券不可与其他券同享"
};
}
if (selCoupon.length > 0 && !coupon.otherCouponShare) {
return {
canUse: false,
reason: "当前选中的券不可与其他券同享"
};
}
// 满减券和折扣券计算门槛金额是否满足
if ([1, 3].includes(coupon.type)) {
if (canCalcGoodsArr.length <= 0) {
return {
canUse: false,
reason: "没有可参与计算门槛的商品"
};
}
// 不满足门槛金额
if (fullAmount < coupon.fullAmount) {
return {
canUse: false,
reason: `${coupon.fullAmount}元可用,当前可参与金额${fullAmount}`
};
}
}
// 商品兑换券,第二件半价和买一送一判断是否有可用商品
if ([2, 4, 5].includes(coupon.type)) {
// 没有符合条件的商品
if (isDikouAll && canDikouGoodsArr.length === 0) {
return {
canUse: false,
reason: "没有符合条件的商品"
};
}
if (!isDikouAll && canUseGoodsArr.length === 0) {
return {
canUse: false,
reason: "没有符合条件的商品"
};
}
}
//商品兑换券是否达到门槛金额
if (coupon.type == 2 && goodsOrderPrice < coupon.fullAmount) {
return {
canUse: false,
reason: `${coupon.fullAmount}元可用,当前可参与金额${fullAmount}`
};
}
// 买一送一券特殊验证
if (coupon.type === 6) {
let canUse = false;
if (isDikouAll) {
canUse = canDikouGoodsArr.some((v) => v.num >= 2);
} else if (canCalcGoodsArr.length > 0) {
canUse = canCalcGoodsArr.some((v) => v.num >= 2);
}
// 买一送一券特殊验证
if (coupon.type === 6) {
let canUse = false;
if (isDikouAll) {
canUse = canDikouGoodsArr.some((v) => v.num >= 2);
} else if (canCalcGoodsArr.length > 0) {
canUse = canCalcGoodsArr.some((v) => v.num >= 2);
}
if (!canUse) {
return {
canUse: false,
reason: "需要购买至少2件相同的商品才能使用",
};
}
}
if (!canUse) {
return {
canUse: false,
reason: "需要购买至少2件相同的商品才能使用"
};
}
}
// 第二件半价券特殊验证
if (coupon.type === 4) {
let canUse = false;
if (isDikouAll) {
canUse = canDikouGoodsArr.some((v) => v.num >= 2);
} else if (canCalcGoodsArr.length > 0) {
canUse = canCalcGoodsArr.some((v) => v.num >= 2);
}
// 第二件半价券特殊验证
if (coupon.type === 4) {
let canUse = false;
if (isDikouAll) {
canUse = canDikouGoodsArr.some((v) => v.num >= 2);
} else if (canCalcGoodsArr.length > 0) {
canUse = canCalcGoodsArr.some((v) => v.num >= 2);
}
if (!canUse) {
return {
canUse: false,
reason: "需要购买至少2件相同的商品才能使用",
};
}
}
if (!canUse) {
return {
canUse: false,
reason: "需要购买至少2件相同的商品才能使用"
};
}
}
// 所有条件都满足
return {
canUse: true,
reason: ""
};
// 所有条件都满足
return {
canUse: true,
reason: "",
};
}
/**
* 计算抵扣商品金额
* @param discountGoodsArr 可抵扣商品列表
* @param discountNum 抵扣数量
* @param user 用户信息
* @param {Object} shopInfo 店铺信息
* @param {Object} shopInfo 店铺信息
*/
export function calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, shopInfo) {
let hasCountNum = 0;
let discountPrice = 0;
let hasDiscountGoodsArr = [];
for (let i = 0; i < discountGoodsArr.length; i++) {
if (hasCountNum >= discountNum) {
break;
}
const goods = discountGoodsArr[i];
const shengyuNum = discountNum - hasCountNum;
const num = Math.min(goods.num, shengyuNum);
discountPrice += returnGoodsPrice(goods, user, shopInfo) * num;
hasCountNum += num;
hasDiscountGoodsArr.push({
...goods,
num
});
}
return {
discountPrice,
hasDiscountGoodsArr
};
let hasCountNum = 0;
let discountPrice = 0;
let hasDiscountGoodsArr = [];
for (let i = 0; i < discountGoodsArr.length; i++) {
if (hasCountNum >= discountNum) {
break;
}
const goods = discountGoodsArr[i];
const shengyuNum = discountNum - hasCountNum;
const num = Math.min(goods.num, shengyuNum);
discountPrice += returnGoodsPrice(goods, user, shopInfo) * num;
hasCountNum += num;
hasDiscountGoodsArr.push({
...goods,
num,
});
}
return {
discountPrice,
hasDiscountGoodsArr,
};
}
/**
@ -301,20 +298,20 @@ export function calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, s
* @param shopInfo 店铺信息
*/
export function returnCouponDiscount(arr, coupon, user, goodsOrderPrice, selCoupon, shopInfo) {
const canDikouGoodsArr = returnCanDikouGoodsArr(arr, selCoupon, user);
if (coupon.type == 2) {
return returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shopInfo);
}
if (coupon.type == 6) {
const result = returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopInfo);
return result
}
if (coupon.type == 4) {
return returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo);
}
if (coupon.type == 3) {
return returnCouponZhekouDiscount(canDikouGoodsArr, coupon, user, goodsOrderPrice, selCoupon);
}
const canDikouGoodsArr = returnCanDikouGoodsArr(arr, selCoupon, user);
if (coupon.type == 2) {
return returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shopInfo);
}
if (coupon.type == 6) {
const result = returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopInfo);
return result;
}
if (coupon.type == 4) {
return returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo);
}
if (coupon.type == 3) {
return returnCouponZhekouDiscount(canDikouGoodsArr, coupon, user, goodsOrderPrice, selCoupon);
}
}
/**
@ -327,45 +324,42 @@ export function returnCouponDiscount(arr, coupon, user, goodsOrderPrice, selCoup
*
*/
export function returnCouponZhekouDiscount(
canDikouGoodsArr,
coupon,
user,
goodsOrderPrice,
selCoupon
canDikouGoodsArr,
coupon,
user,
goodsOrderPrice,
selCoupon
) {
const {
discountRate,
maxDiscountAmount
} = coupon;
const { discountRate, maxDiscountAmount } = coupon;
// 计算商品优惠券折扣总和使用BigNumber避免精度问题
const goodsCouponDiscount = selCoupon
.filter((v) => v.type == 2)
.reduce((prve, cur) => {
return new BigNumber(prve).plus(new BigNumber(cur.discount.discountPrice));
}, new BigNumber(0));
// 计算商品优惠券折扣总和使用BigNumber避免精度问题
const goodsCouponDiscount = selCoupon
.filter((v) => v.type == 2)
.reduce((prve, cur) => {
return new BigNumber(prve).plus(new BigNumber(cur.discount.discountPrice));
}, new BigNumber(0));
// 将商品订单价格转换为BigNumber并减去优惠券折扣
const adjustedGoodsOrderPrice = new BigNumber(goodsOrderPrice).minus(goodsCouponDiscount);
console.log('adjustedGoodsOrderPrice', adjustedGoodsOrderPrice.toNumber());
// 将商品订单价格转换为BigNumber并减去优惠券折扣
const adjustedGoodsOrderPrice = new BigNumber(goodsOrderPrice).minus(goodsCouponDiscount);
// 计算优惠比例:(100 - 折扣率) / 100
const discountAmountRatio = new BigNumber(100).minus(discountRate).dividedBy(100);
// 计算优惠比例:(100 - 折扣率) / 100
const discountAmountRatio = new BigNumber(100).minus(discountRate).dividedBy(100);
// 计算折扣金额:调整后的商品订单金额 × 优惠比例
let discountPrice = adjustedGoodsOrderPrice.times(discountAmountRatio)
.decimalPlaces(2, BigNumber.ROUND_FLOOR)
.toNumber();
// 计算折扣金额:调整后的商品订单金额 × 优惠比例
let discountPrice = adjustedGoodsOrderPrice
.times(discountAmountRatio)
.decimalPlaces(2, BigNumber.ROUND_FLOOR)
.toNumber();
// 应用最大折扣金额限制
if (maxDiscountAmount !== 0) {
discountPrice = discountPrice >= maxDiscountAmount ? maxDiscountAmount : discountPrice;
}
// 应用最大折扣金额限制
if (maxDiscountAmount !== 0) {
discountPrice = discountPrice >= maxDiscountAmount ? maxDiscountAmount : discountPrice;
}
return {
discountPrice, // 折扣抵扣金额(即优惠的金额)
hasDiscountGoodsArr: [],
};
return {
discountPrice, // 折扣抵扣金额(即优惠的金额)
hasDiscountGoodsArr: [],
};
}
/**
@ -376,37 +370,29 @@ export function returnCouponZhekouDiscount(
* @param shopInfo 店铺信息
*/
export function returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shopInfo) {
const {
useFoods,
discountNum,
useRule
} = coupon;
//抵扣商品数组
let discountGoodsArr = [];
//抵扣全部商品
if (useFoods.length === 0) {
if (useRule == "price_asc") {
discountGoodsArr = canDikouGoodsArr
.slice(canDikouGoodsArr.length - discountNum, canDikouGoodsArr.length)
.reverse();
} else {
discountGoodsArr = canDikouGoodsArr.slice(0, discountNum);
}
} else {
//抵扣选中商品
const discountSelGoodsArr = canDikouGoodsArr.filter((v) =>
useFoods.find((food) => food.id == v.productId)
);
if (useRule == "price_asc") {
discountGoodsArr = discountSelGoodsArr
.slice(discountSelGoodsArr.length - discountNum, discountSelGoodsArr.length)
.reverse();
} else {
discountGoodsArr = discountSelGoodsArr.slice(0, discountNum);
}
}
const result = calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, shopInfo);
return result;
const { useFoods, discountNum, useRule } = coupon;
//抵扣商品数组
let discountGoodsArr = [];
//抵扣全部商品
if (useFoods.length === 0) {
if (useRule == "price_asc") {
discountGoodsArr = canDikouGoodsArr.slice(discountNum * -1).reverse();
} else {
discountGoodsArr = canDikouGoodsArr.slice(0, discountNum);
}
} else {
//抵扣选中商品
const discountSelGoodsArr = canDikouGoodsArr.filter((v) =>
useFoods.find((food) => food.id == v.productId)
);
if (useRule == "price_asc") {
discountGoodsArr = discountSelGoodsArr.slice(discountNum * -1).reverse();
} else {
discountGoodsArr = discountSelGoodsArr.slice(0, discountNum);
}
}
const result = calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, shopInfo);
return result;
}
// 返回买一送一券抵扣详情
@ -417,41 +403,38 @@ export function returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shop
* @param shopInfo 店铺信息
*/
function returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopInfo) {
const {
useFoods,
useRule
} = coupon;
//抵扣商品
let discountGoods = undefined;
//符合买一送一条件的商品
const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2);
//抵扣全部商品
if (useFoods.length === 0) {
if (useRule == "price_asc") {
discountGoods = canUseGoods[canUseGoods.length - 1]
} else {
discountGoods = canUseGoods[0];
}
} else {
//符合抵扣条件的商品
const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId));
if (useRule == "price_asc") {
discountGoods = canUseGoods1[canUseGoods1.length - 1]
} else {
discountGoods = canUseGoods1[0]
}
}
let discountPrice = 0;
let hasDiscountGoodsArr = []
console.log('returnCouponBuyOneGiveOneDiscount:discountGoods',discountGoods);
if (discountGoods) {
discountPrice = returnGoodsPrice(discountGoods, user, shopInfo);
hasDiscountGoodsArr = [discountGoods];
}
return {
discountPrice:discountPrice<=0?0:discountPrice,
hasDiscountGoodsArr
};
const { useFoods, useRule } = coupon;
//抵扣商品
let discountGoods = undefined;
//符合买一送一条件的商品
const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2);
//抵扣全部商品
if (useFoods.length === 0) {
if (useRule == "price_asc") {
discountGoods = canUseGoods[canUseGoods.length - 1];
} else {
discountGoods = canUseGoods[0];
}
} else {
//符合抵扣条件的商品
const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId));
if (useRule == "price_asc") {
discountGoods = canUseGoods1[canUseGoods1.length - 1];
} else {
discountGoods = canUseGoods1[0];
}
}
let discountPrice = 0;
let hasDiscountGoodsArr = [];
console.log("returnCouponBuyOneGiveOneDiscount:discountGoods", discountGoods);
if (discountGoods) {
discountPrice = returnGoodsPrice(discountGoods, user, shopInfo);
hasDiscountGoodsArr = [discountGoods];
}
return {
discountPrice: discountPrice <= 0 ? 0 : discountPrice,
hasDiscountGoodsArr,
};
}
/**
@ -462,41 +445,38 @@ function returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopI
* @param shopInfo 店铺信息
*/
function returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo) {
const {
useFoods,
useRule
} = coupon;
//抵扣商品
let discountGoods = undefined;
//符合条件的商品
const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2);
//抵扣全部商品
if (useFoods.length === 0) {
if (useRule == "price_asc") {
discountGoods = canUseGoods[canUseGoods.length - 1]
} else {
discountGoods = canUseGoods[0]
}
} else {
//符合抵扣条件的商品
const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId));
if (useRule == "price_asc") {
discountGoods = canUseGoods1[canUseGoods1.length - 1]
} else {
discountGoods = canUseGoods1[0]
}
}
let discountPrice = 0;
let hasDiscountGoodsArr = []
if (discountGoods) {
discountPrice = returnGoodsPrice(discountGoods, user, shopInfo);
hasDiscountGoodsArr = [discountGoods];
}
//返回半价价格
return {
discountPrice: discountPrice <= 0 ? 0 : new BigNumber(discountPrice).dividedBy(2).toNumber(),
hasDiscountGoodsArr,
};
const { useFoods, useRule } = coupon;
//抵扣商品
let discountGoods = undefined;
//符合条件的商品
const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2);
//抵扣全部商品
if (useFoods.length === 0) {
if (useRule == "price_asc") {
discountGoods = canUseGoods[canUseGoods.length - 1];
} else {
discountGoods = canUseGoods[0];
}
} else {
//符合抵扣条件的商品
const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId));
if (useRule == "price_asc") {
discountGoods = canUseGoods1[canUseGoods1.length - 1];
} else {
discountGoods = canUseGoods1[0];
}
}
let discountPrice = 0;
let hasDiscountGoodsArr = [];
if (discountGoods) {
discountPrice = returnGoodsPrice(discountGoods, user, shopInfo);
hasDiscountGoodsArr = [discountGoods];
}
//返回半价价格
return {
discountPrice: discountPrice <= 0 ? 0 : new BigNumber(discountPrice).dividedBy(2).toNumber(),
hasDiscountGoodsArr,
};
}
/**
@ -506,15 +486,15 @@ function returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo) {
* @param shopInfo 店铺信息
*/
export function returnCanDikouGoods(arr, user, shopInfo) {
const result = arr
.filter((v) => {
return v.is_temporary != 1 && v.is_gift != 1;
})
.filter((v) => {
return v.num > 0;
})
.sort((a, b) => {
return returnGoodsPrice(b, user, shopInfo) - returnGoodsPrice(a, user, shopInfo);
});
return result;
}
const result = arr
.filter((v) => {
return v.is_temporary != 1 && v.is_gift != 1;
})
.filter((v) => {
return v.num > 0;
})
.sort((a, b) => {
return returnGoodsPrice(b, user, shopInfo) - returnGoodsPrice(a, user, shopInfo);
});
return result;
}