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优惠券计算更新

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YeMingfei666
2025-10-13 11:24:11 +08:00
parent 8f7852f834
commit 6216dcbfee
4 changed files with 419 additions and 550 deletions
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2
package.json
View File

@@ -7,6 +7,6 @@
"lodash": "^4.17.21", "lodash": "^4.17.21",
"pinia": "^2.3.1", "pinia": "^2.3.1",
"pinia-plugin-unistorage": "^0.1.2", "pinia-plugin-unistorage": "^0.1.2",
"ysk-utils": "^1.0.35" "ysk-utils": "^1.0.40"
} }
} }

11
pages/order/components/orderInfo.vue
View File

@@ -464,8 +464,8 @@
const maxPointDiscount = ref(0) const maxPointDiscount = ref(0)
//积分可抵扣最大金额 //积分可抵扣最大金额
const maxMoney = computed(() => { const maxMoney = computed(() => {
return cartStore.orderCostSummary.goodsRealAmount - cartStore.orderCostSummary return cartStore.orderCostSummary.finalPayAmount + cartStore.orderCostSummary
.couponDeductionAmount .pointDeductionAmount
}) })
async function getMaxPointsDiscount() { async function getMaxPointsDiscount() {
@@ -553,11 +553,8 @@
favorablelist.value = back_favorablelist.filter(v => v.name != '新客立减') favorablelist.value = back_favorablelist.filter(v => v.name != '新客立减')
return return
} }
if (!consumeDiscountRes.isUse) {
favorablelist.value = back_favorablelist.filter(v => v.name != '新客立减') if (consumeDiscountRes) {
return
}
if (consumeDiscountRes && consumeDiscountRes.isUse) {
newUserDiscount.value = consumeDiscountRes.amount newUserDiscount.value = consumeDiscountRes.amount
cartStore.newUserDiscount = consumeDiscountRes.amount || 0 cartStore.newUserDiscount = consumeDiscountRes.amount || 0
cartStore.consumeDiscount = consumeDiscountRes cartStore.consumeDiscount = consumeDiscountRes

214
pnpm-lock.yaml generated
View File

@@ -1,4 +1,4 @@
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settings: settings:
autoInstallPeers: true autoInstallPeers: true
@@ -30,191 +30,114 @@ importers:
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version: 0.1.2 version: 0.1.2
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@@ -222,56 +145,36 @@ packages:
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engines: {node: '>=12'} engines: {node: '>=12'}
hasBin: true hasBin: true
requiresBuild: true
peerDependencies: peerDependencies:
'@vue/composition-api': ^1.0.0-rc.1 '@vue/composition-api': ^1.0.0-rc.1
vue: ^3.0.0-0 || ^2.6.0 vue: ^3.0.0-0 || ^2.6.0
peerDependenciesMeta: peerDependenciesMeta:
'@vue/composition-api': '@vue/composition-api':
optional: true optional: true
dependencies:
'@vue/composition-api': 1.7.2(vue@3.5.21)
vue: 3.5.21
dev: false
/vue@3.5.21: vue@3.5.22:
resolution: {integrity: sha512-xxf9rum9KtOdwdRkiApWL+9hZEMWE90FHh8yS1+KJAiWYh+iGWV1FquPjoO9VUHQ+VIhsCXNNyZ5Sf4++RVZBA==} resolution: {integrity: sha512-toaZjQ3a/G/mYaLSbV+QsQhIdMo9x5rrqIpYRObsJ6T/J+RyCSFwN2LHNVH9v8uIcljDNa3QzPVdv3Y6b9hAJQ==}
peerDependencies: peerDependencies:
typescript: '*' typescript: '*'
peerDependenciesMeta: peerDependenciesMeta:
typescript: typescript:
optional: true optional: true
<<<<<<< HEAD
=======
ysk-utils@1.0.35: ysk-utils@1.0.40:
resolution: {integrity: sha512-kxPtEk5zs0HjdazbH2l2x1Tm5BUpmj1MBiOnb9Xquuj2hW2NtICtq+JB6RWFO7tzAAnOC5MRw366VOKceyeK5Q==} resolution: {integrity: sha512-Hi+XI7sykGJizExMY5kVWIBhPvO3wudp2q92Vqv6zI6eDtquLz4CwxIfOLEXFfn5crYXVu/yfJQVjK3WAyNYDQ==}
snapshots: snapshots:
@@ -280,19 +183,9 @@ snapshots:
'@babel/helper-validator-identifier@7.27.1': {} '@babel/helper-validator-identifier@7.27.1': {}
'@babel/parser@7.28.4': '@babel/parser@7.28.4':
>>>>>>> a8c20960968cbcde30318c14633993aaff66a437
dependencies: dependencies:
'@vue/compiler-dom': 3.5.21 '@babel/types': 7.28.4
'@vue/compiler-sfc': 3.5.21
'@vue/runtime-dom': 3.5.21
'@vue/server-renderer': 3.5.21(vue@3.5.21)
'@vue/shared': 3.5.21
dev: false
<<<<<<< HEAD
/ysk-utils@1.0.35:
resolution: {integrity: sha512-kxPtEk5zs0HjdazbH2l2x1Tm5BUpmj1MBiOnb9Xquuj2hW2NtICtq+JB6RWFO7tzAAnOC5MRw366VOKceyeK5Q==}
=======
'@babel/types@7.28.4': '@babel/types@7.28.4':
dependencies: dependencies:
'@babel/helper-string-parser': 7.27.1 '@babel/helper-string-parser': 7.27.1
@@ -421,8 +314,7 @@ snapshots:
'@vue/server-renderer': 3.5.22(vue@3.5.22) '@vue/server-renderer': 3.5.22(vue@3.5.22)
'@vue/shared': 3.5.22 '@vue/shared': 3.5.22
ysk-utils@1.0.35: ysk-utils@1.0.40:
>>>>>>> a8c20960968cbcde30318c14633993aaff66a437
dependencies: dependencies:
bignumber.js: 9.3.1 bignumber.js: 9.3.1
dev: false lodash: 4.17.21

738
utils/goods-utils.js
View File

@@ -1,10 +1,6 @@
import { import { BigNumber } from "bignumber.js";
BigNumber
} from "bignumber.js";
import _ from "lodash"; import _ from "lodash";
/** /**
* 返回商品单价 * 返回商品单价
* @param goods 商品 * @param goods 商品
@@ -12,19 +8,19 @@ import _ from "lodash";
* @param {Object} shopInfo * @param {Object} shopInfo
*/ */
export function returnGoodsPrice(goods, user, shopInfo) { export function returnGoodsPrice(goods, user, shopInfo) {
if (!goods) { if (!goods) {
return 0 return 0;
} }
if (goods.discount_sale_amount * 1 > 0) { if (goods.discount_sale_amount * 1 > 0) {
return goods.discount_sale_amount; return goods.discount_sale_amount;
} }
if (shopInfo && !shopInfo.isMemberPrice) { if (shopInfo && !shopInfo.isMemberPrice) {
return goods.salePrice; return goods.salePrice;
} }
if (user.isVip && goods.memberPrice * 1 <= goods.salePrice * 1 && goods.memberPrice * 1 > 0) { if (user.isVip && goods.memberPrice * 1 <= goods.salePrice * 1 && goods.memberPrice * 1 > 0) {
return goods.memberPrice; return goods.memberPrice;
} }
return goods.salePrice; return goods.salePrice;
} }
/** /**
@@ -32,15 +28,15 @@ export function returnGoodsPrice(goods, user, shopInfo) {
* @param arr 商品列表 * @param arr 商品列表
*/ */
export function returnGoodsGroupMap(arr) { export function returnGoodsGroupMap(arr) {
let map = {}; let map = {};
arr.forEach((v) => { arr.forEach((v) => {
const key = v.productId + "_" + v.skuId; const key = v.productId + "_" + v.skuId;
if (!map[key]) { if (!map[key]) {
map[key] = []; map[key] = [];
} }
map[key].push(v); map[key].push(v);
}); });
return map; return map;
} }
/** /**
@@ -48,17 +44,17 @@ export function returnGoodsGroupMap(arr) {
* @param coupon * @param coupon
*/ */
export function returnCoupType(coupon) { export function returnCoupType(coupon) {
const couponTypes = { const couponTypes = {
1: "满减券", 1: "满减券",
2: "商品券", 2: "商品券",
3: "折扣券", 3: "折扣券",
4: "第二件半价券", 4: "第二件半价券",
5: "消费送券", 5: "消费送券",
6: "买一送一券", 6: "买一送一券",
7: "固定价格券", 7: "固定价格券",
8: "免配送费券", 8: "免配送费券",
}; };
return couponTypes[coupon.type] || "未知类型"; return couponTypes[coupon.type] || "未知类型";
} }
/** /**
@@ -68,37 +64,37 @@ export function returnCoupType(coupon) {
* @param user 用户信息 * @param user 用户信息
*/ */
export function returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user) { export function returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user) {
const types = [2, 4, 6]; const types = [2, 4, 6];
// 收集已抵扣商品并关联对应的优惠券类型 // 收集已抵扣商品并关联对应的优惠券类型
const goodsCouponGoods = selCoupon const goodsCouponGoods = selCoupon
.filter((v) => types.includes(v.type)) .filter((v) => types.includes(v.type))
.reduce((prev, cur) => { .reduce((prev, cur) => {
// 给每个抵扣商品添加所属优惠券类型 // 给每个抵扣商品添加所属优惠券类型
const goodsWithType = cur.discount.hasDiscountGoodsArr.map(goods => ({ const goodsWithType = cur.discount.hasDiscountGoodsArr.map((goods) => ({
...goods, ...goods,
couponType: cur.type // 记录该商品是被哪种类型的优惠券抵扣的 couponType: cur.type, // 记录该商品是被哪种类型的优惠券抵扣的
})); }));
prev.push(...goodsWithType); prev.push(...goodsWithType);
return prev; return prev;
}, []); }, []);
const arr = _.cloneDeep(canDikouGoodsArr) const arr = _.cloneDeep(canDikouGoodsArr)
.map((v) => { .map((v) => {
const findCart = goodsCouponGoods.find((carts) => carts.id == v.id); const findCart = goodsCouponGoods.find((carts) => carts.id == v.id);
if (findCart) { if (findCart) {
// 根据优惠券类型判断扣减数量 // 根据优惠券类型判断扣减数量
if ([4, 6].includes(findCart.couponType)) { if ([4, 6].includes(findCart.couponType)) {
// 类型4（第二件半价）或6（买一送一），数量减2 // 类型4（第二件半价）或6（买一送一），数量减2
v.num -= 2; v.num -= 2;
} else { } else {
// 其他类型（如类型2商品券），按原逻辑扣减对应数量 // 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; v.num -= findCart.num;
} }
} }
return v; return v;
}) })
.filter((v) => v.num > 0); // 过滤掉数量<=0的商品 .filter((v) => v.num > 0); // 过滤掉数量<=0的商品
return arr; return arr;
} }
/** /**
@@ -118,148 +114,147 @@ export function returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user) {
* @returns {Object} - { canUse: boolean, reason: string } 可用状态及不可用原因 * @returns {Object} - { canUse: boolean, reason: string } 可用状态及不可用原因
*/ */
export function returnCouponCanUse(args) { export function returnCouponCanUse(args) {
let { let { canDikouGoodsArr, coupon, goodsOrderPrice, user, selCoupon, shopInfo } = args;
canDikouGoodsArr, // 优惠券未启用
coupon, if (!coupon.use) {
goodsOrderPrice, return {
user, canUse: false,
selCoupon, reason: coupon.noUseRestrictions || "不在可用时间段内",
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 // 计算门槛金额
let fullAmount = goodsOrderPrice; let fullAmount = goodsOrderPrice;
canDikouGoodsArr = returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user, shopInfo); canDikouGoodsArr = returnCanDikouGoodsArr(canDikouGoodsArr, selCoupon, user, shopInfo);
//优惠券指定门槛商品列表 //优惠券指定门槛商品列表
let canCalcGoodsArr = [...canDikouGoodsArr] let canCalcGoodsArr = [...canDikouGoodsArr];
//部分商品参与门槛计算 //部分商品参与门槛计算
if (coupon.thresholdFoods.length) { if (coupon.thresholdFoods.length) {
canCalcGoodsArr = canDikouGoodsArr.filter((v) => { canCalcGoodsArr = canDikouGoodsArr.filter((v) => {
return coupon.thresholdFoods.find((food) => food.id == v.productId); return coupon.thresholdFoods.find((food) => food.id == v.productId);
}); });
fullAmount = canCalcGoodsArr.reduce((pre, cur) => { fullAmount = canCalcGoodsArr.reduce((pre, cur) => {
return pre + returnGoodsPrice(cur, user, shopInfo) * cur.num; return pre + returnGoodsPrice(cur, user, shopInfo) * cur.num;
}, 0); }, 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: `满${coupon.fullAmount}元可用，当前可参与金额${fullAmount}元`,
};
}
}
// 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: `满${coupon.fullAmount}元可用，当前可参与金额${fullAmount}元`,
};
}
// 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: `满${coupon.fullAmount}元可用，当前可参与金额${fullAmount}元`,
};
}
// 是否全部商品可用 // 买一送一券特殊验证
const isDikouAll = coupon.useFoods.length === 0; if (coupon.type === 6) {
// 订单可用商品列表 let canUse = false;
let canUseGoodsArr = []; if (isDikouAll) {
if (!isDikouAll) { canUse = canDikouGoodsArr.some((v) => v.num >= 2);
canUseGoodsArr = canDikouGoodsArr.filter((v) => { } else if (canCalcGoodsArr.length > 0) {
return coupon.useFoods.find((food) => food.id == v.productId); canUse = canCalcGoodsArr.some((v) => v.num >= 2);
}); }
}
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: `满${coupon.fullAmount}元可用，当前可参与金额${fullAmount}元`
};
}
}
// 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: `满${coupon.fullAmount}元可用，当前可参与金额${fullAmount}元`
};
}
// 买一送一券特殊验证 if (!canUse) {
if (coupon.type === 6) { return {
let canUse = false; canUse: false,
if (isDikouAll) { reason: "需要购买至少2件相同的商品才能使用",
canUse = canDikouGoodsArr.some((v) => v.num >= 2); };
} else if (canCalcGoodsArr.length > 0) { }
canUse = canCalcGoodsArr.some((v) => v.num >= 2); }
}
if (!canUse) { // 第二件半价券特殊验证
return { if (coupon.type === 4) {
canUse: false, let canUse = false;
reason: "需要购买至少2件相同的商品才能使用" 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 (!canUse) {
if (coupon.type === 4) { return {
let canUse = false; canUse: false,
if (isDikouAll) { reason: "需要购买至少2件相同的商品才能使用",
canUse = canDikouGoodsArr.some((v) => v.num >= 2); };
} else if (canCalcGoodsArr.length > 0) { }
canUse = canCalcGoodsArr.some((v) => v.num >= 2); }
}
if (!canUse) { // 所有条件都满足
return { return {
canUse: false, canUse: true,
reason: "需要购买至少2件相同的商品才能使用" reason: "",
}; };
}
}
// 所有条件都满足
return {
canUse: true,
reason: ""
};
} }
/** /**
* 计算抵扣商品金额 * 计算抵扣商品金额
* @param discountGoodsArr 可抵扣商品列表 * @param discountGoodsArr 可抵扣商品列表
@@ -268,27 +263,29 @@ export function returnCouponCanUse(args) {
* @param {Object} shopInfo 店铺信息 * @param {Object} shopInfo 店铺信息
*/ */
export function calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, shopInfo) { export function calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, shopInfo) {
let hasCountNum = 0; let hasCountNum = 0;
let discountPrice = 0; let discountPrice = 0;
let hasDiscountGoodsArr = []; let hasDiscountGoodsArr = [];
for (let i = 0; i < discountGoodsArr.length; i++) { for (let i = 0; i < discountGoodsArr.length; i++) {
if (hasCountNum >= discountNum) { if (hasCountNum >= discountNum) {
break; break;
} }
const goods = discountGoodsArr[i]; const goods = discountGoodsArr[i];
const shengyuNum = discountNum - hasCountNum; const shengyuNum = discountNum - hasCountNum;
const num = Math.min(goods.num, shengyuNum); const num = Math.min(goods.num, shengyuNum);
discountPrice += returnGoodsPrice(goods, user, shopInfo) * num; discountPrice += returnGoodsPrice(goods, user, shopInfo) * num;
hasCountNum += num;
hasDiscountGoodsArr.push({ hasCountNum += num;
...goods, hasDiscountGoodsArr.push({
num ...goods,
}); num,
} });
return { }
discountPrice,
hasDiscountGoodsArr return {
}; discountPrice,
hasDiscountGoodsArr,
};
} }
/** /**
@@ -301,20 +298,20 @@ export function calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, s
* @param shopInfo 店铺信息 * @param shopInfo 店铺信息
*/ */
export function returnCouponDiscount(arr, coupon, user, goodsOrderPrice, selCoupon, shopInfo) { export function returnCouponDiscount(arr, coupon, user, goodsOrderPrice, selCoupon, shopInfo) {
const canDikouGoodsArr = returnCanDikouGoodsArr(arr, selCoupon, user); const canDikouGoodsArr = returnCanDikouGoodsArr(arr, selCoupon, user);
if (coupon.type == 2) { if (coupon.type == 2) {
return returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shopInfo); return returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shopInfo);
} }
if (coupon.type == 6) { if (coupon.type == 6) {
const result = returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopInfo); const result = returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopInfo);
return result return result;
} }
if (coupon.type == 4) { if (coupon.type == 4) {
return returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo); return returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo);
} }
if (coupon.type == 3) { if (coupon.type == 3) {
return returnCouponZhekouDiscount(canDikouGoodsArr, coupon, user, goodsOrderPrice, selCoupon); return returnCouponZhekouDiscount(canDikouGoodsArr, coupon, user, goodsOrderPrice, selCoupon);
} }
} }
/** /**
@@ -327,45 +324,42 @@ export function returnCouponDiscount(arr, coupon, user, goodsOrderPrice, selCoup
* *
*/ */
export function returnCouponZhekouDiscount( export function returnCouponZhekouDiscount(
canDikouGoodsArr, canDikouGoodsArr,
coupon, coupon,
user, user,
goodsOrderPrice, goodsOrderPrice,
selCoupon selCoupon
) { ) {
const { const { discountRate, maxDiscountAmount } = coupon;
discountRate,
maxDiscountAmount
} = coupon;
// 计算商品优惠券折扣总和，使用BigNumber避免精度问题 // 计算商品优惠券折扣总和，使用BigNumber避免精度问题
const goodsCouponDiscount = selCoupon const goodsCouponDiscount = selCoupon
.filter((v) => v.type == 2) .filter((v) => v.type == 2)
.reduce((prve, cur) => { .reduce((prve, cur) => {
return new BigNumber(prve).plus(new BigNumber(cur.discount.discountPrice)); return new BigNumber(prve).plus(new BigNumber(cur.discount.discountPrice));
}, new BigNumber(0)); }, new BigNumber(0));
// 将商品订单价格转换为BigNumber并减去优惠券折扣 // 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); const adjustedGoodsOrderPrice = new BigNumber(goodsOrderPrice).minus(goodsCouponDiscount);
console.log('adjustedGoodsOrderPrice', adjustedGoodsOrderPrice.toNumber());
// 计算优惠比例：(100 - 折扣率) / 100 // 计算优惠比例：(100 - 折扣率) / 100
const discountAmountRatio = new BigNumber(100).minus(discountRate).dividedBy(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 // 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) let discountPrice = adjustedGoodsOrderPrice
.decimalPlaces(2, BigNumber.ROUND_FLOOR) .times(discountAmountRatio)
.toNumber(); .decimalPlaces(2, BigNumber.ROUND_FLOOR)
.toNumber();
// 应用最大折扣金额限制 // 应用最大折扣金额限制
if (maxDiscountAmount !== 0) { if (maxDiscountAmount !== 0) {
discountPrice = discountPrice >= maxDiscountAmount ? maxDiscountAmount : discountPrice; discountPrice = discountPrice >= maxDiscountAmount ? maxDiscountAmount : discountPrice;
} }
return { return {
discountPrice, // 折扣抵扣金额（即优惠的金额） discountPrice, // 折扣抵扣金额（即优惠的金额）
hasDiscountGoodsArr: [], hasDiscountGoodsArr: [],
}; };
} }
/** /**
@@ -376,37 +370,29 @@ export function returnCouponZhekouDiscount(
* @param shopInfo 店铺信息 * @param shopInfo 店铺信息
*/ */
export function returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shopInfo) { export function returnCouponProductDiscount(canDikouGoodsArr, coupon, user, shopInfo) {
const { const { useFoods, discountNum, useRule } = coupon;
useFoods, //抵扣商品数组
discountNum, let discountGoodsArr = [];
useRule //抵扣全部商品
} = coupon; if (useFoods.length === 0) {
//抵扣商品数组 if (useRule == "price_asc") {
let discountGoodsArr = []; discountGoodsArr = canDikouGoodsArr.slice(discountNum * -1).reverse();
//抵扣全部商品 } else {
if (useFoods.length === 0) { discountGoodsArr = canDikouGoodsArr.slice(0, discountNum);
if (useRule == "price_asc") { }
discountGoodsArr = canDikouGoodsArr } else {
.slice(canDikouGoodsArr.length - discountNum, canDikouGoodsArr.length) //抵扣选中商品
.reverse(); const discountSelGoodsArr = canDikouGoodsArr.filter((v) =>
} else { useFoods.find((food) => food.id == v.productId)
discountGoodsArr = canDikouGoodsArr.slice(0, discountNum); );
} if (useRule == "price_asc") {
} else { discountGoodsArr = discountSelGoodsArr.slice(discountNum * -1).reverse();
//抵扣选中商品 } else {
const discountSelGoodsArr = canDikouGoodsArr.filter((v) => discountGoodsArr = discountSelGoodsArr.slice(0, discountNum);
useFoods.find((food) => food.id == v.productId) }
); }
if (useRule == "price_asc") { const result = calcDiscountGoodsArrPrice(discountGoodsArr, discountNum, user, shopInfo);
discountGoodsArr = discountSelGoodsArr return result;
.slice(discountSelGoodsArr.length - discountNum, discountSelGoodsArr.length)
.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 // 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 * @param shopInfo 店铺信息
*/ */
function returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopInfo) { function returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopInfo) {
const { const { useFoods, useRule } = coupon;
useFoods, //抵扣商品
useRule let discountGoods = undefined;
} = coupon; //符合买一送一条件的商品
//抵扣商品 const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2);
let discountGoods = undefined; //抵扣全部商品
//符合买一送一条件的商品 if (useFoods.length === 0) {
const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2); if (useRule == "price_asc") {
//抵扣全部商品 discountGoods = canUseGoods[canUseGoods.length - 1];
if (useFoods.length === 0) { } else {
if (useRule == "price_asc") { discountGoods = canUseGoods[0];
discountGoods = canUseGoods[canUseGoods.length - 1] }
} else { } else {
discountGoods = canUseGoods[0]; //符合抵扣条件的商品
} const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId));
} else { if (useRule == "price_asc") {
//符合抵扣条件的商品 discountGoods = canUseGoods1[canUseGoods1.length - 1];
const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId)); } else {
if (useRule == "price_asc") { discountGoods = canUseGoods1[0];
discountGoods = canUseGoods1[canUseGoods1.length - 1] }
} else { }
discountGoods = canUseGoods1[0] let discountPrice = 0;
} let hasDiscountGoodsArr = [];
} console.log("returnCouponBuyOneGiveOneDiscount:discountGoods", discountGoods);
let discountPrice = 0; if (discountGoods) {
let hasDiscountGoodsArr = [] discountPrice = returnGoodsPrice(discountGoods, user, shopInfo);
console.log('returnCouponBuyOneGiveOneDiscount:discountGoods',discountGoods); hasDiscountGoodsArr = [discountGoods];
if (discountGoods) { }
discountPrice = returnGoodsPrice(discountGoods, user, shopInfo); return {
hasDiscountGoodsArr = [discountGoods]; discountPrice: discountPrice <= 0 ? 0 : discountPrice,
} hasDiscountGoodsArr,
return { };
discountPrice:discountPrice<=0?0:discountPrice,
hasDiscountGoodsArr
};
} }
/** /**
@@ -462,41 +445,38 @@ function returnCouponBuyOneGiveOneDiscount(canDikouGoodsArr, coupon, user, shopI
* @param shopInfo 店铺信息 * @param shopInfo 店铺信息
*/ */
function returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo) { function returnSecoendDiscount(canDikouGoodsArr, coupon, user, shopInfo) {
const { const { useFoods, useRule } = coupon;
useFoods, //抵扣商品
useRule let discountGoods = undefined;
} = coupon; //符合条件的商品
//抵扣商品 const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2);
let discountGoods = undefined; //抵扣全部商品
//符合条件的商品 if (useFoods.length === 0) {
const canUseGoods = canDikouGoodsArr.filter((v) => v.num >= 2); if (useRule == "price_asc") {
//抵扣全部商品 discountGoods = canUseGoods[canUseGoods.length - 1];
if (useFoods.length === 0) { } else {
if (useRule == "price_asc") { discountGoods = canUseGoods[0];
discountGoods = canUseGoods[canUseGoods.length - 1] }
} else { } else {
discountGoods = canUseGoods[0] //符合抵扣条件的商品
} const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId));
} else { if (useRule == "price_asc") {
//符合抵扣条件的商品 discountGoods = canUseGoods1[canUseGoods1.length - 1];
const canUseGoods1 = canUseGoods.filter((v) => useFoods.find((food) => food.id == v.productId)); } else {
if (useRule == "price_asc") { discountGoods = canUseGoods1[0];
discountGoods = canUseGoods1[canUseGoods1.length - 1] }
} else { }
discountGoods = canUseGoods1[0] let discountPrice = 0;
} let hasDiscountGoodsArr = [];
} if (discountGoods) {
let discountPrice = 0; discountPrice = returnGoodsPrice(discountGoods, user, shopInfo);
let hasDiscountGoodsArr = [] hasDiscountGoodsArr = [discountGoods];
if (discountGoods) { }
discountPrice = returnGoodsPrice(discountGoods, user, shopInfo); //返回半价价格
hasDiscountGoodsArr = [discountGoods]; return {
} discountPrice: discountPrice <= 0 ? 0 : new BigNumber(discountPrice).dividedBy(2).toNumber(),
//返回半价价格 hasDiscountGoodsArr,
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 * @param shopInfo 店铺信息
*/ */
export function returnCanDikouGoods(arr, user, shopInfo) { export function returnCanDikouGoods(arr, user, shopInfo) {
const result = arr const result = arr
.filter((v) => { .filter((v) => {
return v.is_temporary != 1 && v.is_gift != 1; return v.is_temporary != 1 && v.is_gift != 1;
}) })
.filter((v) => { .filter((v) => {
return v.num > 0; return v.num > 0;
}) })
.sort((a, b) => { .sort((a, b) => {
return returnGoodsPrice(b, user, shopInfo) - returnGoodsPrice(a, user, shopInfo); return returnGoodsPrice(b, user, shopInfo) - returnGoodsPrice(a, user, shopInfo);
}); });
return result; return result;
} }