@pisell/pisellos
Version:
一个可扩展的前端模块化SDK框架，支持插件系统
153 lines (145 loc) • 7.27 kB
JavaScript
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
import Decimal from 'decimal.js';
export var calculatePriceDetails = function calculatePriceDetails(shopInfo, items) {
var subtotal = new Decimal(calculateSubtotal(items));
var subOriginTotal = new Decimal(calculateOriginSubtotal(items));
var totalTaxFee = new Decimal(calculateTaxFee(shopInfo, items));
// 计算总价
var total = shopInfo !== null && shopInfo !== void 0 && shopInfo.is_price_include_tax ? subtotal : subtotal.plus(totalTaxFee);
// 计算总价 不包含折扣卡商品券折扣信息价格
var originTotal = shopInfo !== null && shopInfo !== void 0 && shopInfo.is_price_include_tax ? subOriginTotal : subOriginTotal.plus(totalTaxFee);
// 计算定金
var deposit = calculateDeposit(items);
return {
subtotal: subtotal.toFixed(2),
total: total.toFixed(2),
originTotal: originTotal.toFixed(2),
taxTitle: shopInfo === null || shopInfo === void 0 ? void 0 : shopInfo.tax_title,
totalTaxFee: totalTaxFee.toFixed(2),
isPriceIncludeTax: shopInfo === null || shopInfo === void 0 ? void 0 : shopInfo.is_price_include_tax,
deposit: deposit
};
};
/**
* 获取子商品折扣信息
* @param item
*/
export var getBundleDiscountList = function getBundleDiscountList(bundle) {
if (!bundle) {
return [];
}
var discountList = [];
bundle.forEach(function (d) {
if (d.discount_list && Array.isArray(d.discount_list)) {
discountList.push.apply(discountList, _toConsumableArray(d.discount_list.filter(function (item) {
return !item.id;
})));
}
});
return discountList;
};
var getProductDiscountProductDiscountDifference = function getProductDiscountProductDiscountDifference(item) {
var _item$_origin, _item$_origin2;
var mainDiscountList = ((_item$_origin = item._origin) === null || _item$_origin === void 0 || (_item$_origin = _item$_origin.product) === null || _item$_origin === void 0 ? void 0 : _item$_origin.discount_list) || [];
var bundleDiscountList = getBundleDiscountList(((_item$_origin2 = item._origin) === null || _item$_origin2 === void 0 || (_item$_origin2 = _item$_origin2.product) === null || _item$_origin2 === void 0 ? void 0 : _item$_origin2.product_bundle) || []);
var discountList = [].concat(_toConsumableArray(mainDiscountList), _toConsumableArray(bundleDiscountList));
return discountList.reduce(function (pre, cur) {
return pre + (cur.metadata.product_discount_difference || 0);
}, 0);
};
/**
* 计算商品小计（不含其他费用）
* @param items - 购物车商品数组
* @returns 商品总价字符串，保留2位小数
*/
export var calculateSubtotal = function calculateSubtotal(items) {
if (!(items !== null && items !== void 0 && items.length)) {
return '0.00';
}
var subtotal = items.reduce(function (sum, item) {
var cartItemTotalPrice = new Decimal(item.summaryTotal || 0);
var productDiscountProductDiscountDifference = getProductDiscountProductDiscountDifference(item);
return sum.plus(cartItemTotalPrice).sub(productDiscountProductDiscountDifference);
}, new Decimal(0));
return subtotal.toFixed(2);
};
/**
* 计算商品小计（不含其他费用 不包含折扣卡商品券抵扣金额）
* @param items - 购物车商品数组
* @returns 商品总价字符串，保留2位小数
*/
export var calculateOriginSubtotal = function calculateOriginSubtotal(items) {
if (!(items !== null && items !== void 0 && items.length)) {
return '0.00';
}
var subtotal = items.reduce(function (sum, item) {
var cartItemTotalPrice = new Decimal(item.summaryOriginTotal || 0);
return sum.plus(cartItemTotalPrice);
}, new Decimal(0));
return subtotal.toFixed(2);
};
/**
* @title: 单个商品的税费
* @description:
* 单个商品的税费 = 商品销售单价（折扣后） * 税率 * is_charge_tax /( 1+ 税率 * is_price_include_tax)
* $taxFee = $price * $taxRate * $isChargeTax / (1 + $taxRate * $isPriceIncludeTax);
* @return {*}
* @Author: xiangfeng.xue
*/
export var calculateTaxFee = function calculateTaxFee(shopInfo, items) {
if (!(items !== null && items !== void 0 && items.length)) {
return '0.00';
}
var _ref = shopInfo || {},
is_price_include_tax = _ref.is_price_include_tax,
tax_rate = _ref.tax_rate;
var totalTaxFee = items.reduce(function (sum, item) {
var cartItemTotalPrice = new Decimal(item.summaryTotal || 0);
var taxRate = new Decimal(tax_rate || 0).div(100);
var productTaxRate = cartItemTotalPrice.times(taxRate).times((item === null || item === void 0 ? void 0 : item.is_charge_tax) || 0).div(taxRate.times(is_price_include_tax || 0).plus(1));
return sum.plus(productTaxRate);
}, new Decimal(0));
return totalTaxFee;
};
/**
* @title: 计算定金
* @param items - 购物车商品数组
* @returns 定金字符串，保留2位小数
*/
export var calculateDeposit = function calculateDeposit(items) {
if (!(items !== null && items !== void 0 && items.length)) {
return undefined;
}
var protocols = [];
var hasDeposit = false;
var total = items.reduce(function (sum, item) {
if (item !== null && item !== void 0 && item.deposit) {
var _item$deposit, _item$deposit2;
hasDeposit = true;
var cartItemTotalPrice = new Decimal((item === null || item === void 0 || (_item$deposit = item.deposit) === null || _item$deposit === void 0 ? void 0 : _item$deposit.total) || 0);
// 将协议数据去重合并
item === null || item === void 0 || (_item$deposit2 = item.deposit) === null || _item$deposit2 === void 0 || (_item$deposit2 = _item$deposit2.protocols) === null || _item$deposit2 === void 0 || _item$deposit2.forEach(function (protocol) {
if (protocols.findIndex(function (p) {
return p.id === protocol.id;
}) === -1) {
protocols.push(protocol);
}
});
return sum.plus(cartItemTotalPrice);
}
return sum;
}, new Decimal(0));
if (hasDeposit) {
return {
total: total.toFixed(2),
protocols: protocols,
hasDeposit: hasDeposit
};
}
return undefined;
};