@pisell/pisellos
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一个可扩展的前端模块化SDK框架,支持插件系统
271 lines (252 loc) • 11 kB
JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { PROMOTION_ACTION_TYPES } from "./type";
// ============================================
// Promotion 适配器实现
// ============================================
/**
* Promotion 适配器
*
* 用于将促销活动业务数据转换为策略引擎可识别的格式
* 策略引擎只负责匹配,具体的优惠计算由业务层完成
*/
export var PromotionAdapter = /*#__PURE__*/function () {
function PromotionAdapter() {
_classCallCheck(this, PromotionAdapter);
_defineProperty(this, "name", 'PromotionAdapter');
_defineProperty(this, "version", '1.0.0');
}
_createClass(PromotionAdapter, [{
key: "prepareContext",
value:
/**
* 准备运行时上下文
*
* 将业务数据转换为策略引擎可识别的 RuntimeContext
*/
function prepareContext(businessData) {
var products = businessData.products,
currentProduct = businessData.currentProduct,
channel = businessData.channel,
custom = businessData.custom;
// 当前时间(用于时间条件判断)
var now = new Date();
var currentDateTime = this.formatDateTime(now);
// 如果有 currentProduct,用于单商品场景(商品卡片展示)
var evaluatingProduct = currentProduct || (products.length > 0 ? products[0] : null);
return {
entities: {
products: products,
currentProduct: evaluatingProduct
},
attributes: _objectSpread({
// 当前时间(格式化字符串,用于时间条件判断)
currentDateTime: currentDateTime,
// 当前评估的商品信息(用于 product_match 运算符)
productIdAndVariantId: evaluatingProduct ? {
product_id: evaluatingProduct.product_id,
product_variant_id: evaluatingProduct.product_variant_id
} : null,
// 渠道
channel: channel || '',
// 商品总数量
totalQuantity: products.reduce(function (sum, p) {
return sum + p.quantity;
}, 0),
// 商品总金额
totalAmount: products.reduce(function (sum, p) {
return sum + p.price * p.quantity;
}, 0)
}, custom),
metadata: {
timestamp: Date.now()
}
};
}
/**
* 转换执行结果
*
* 将策略引擎的通用结果转换为业务层需要的格式
* 主要是整理 matchedActions,让业务层更容易使用
*/
}, {
key: "transformResult",
value: function transformResult(result, businessData) {
// 获取适用的商品列表
var applicableProducts = businessData ? this.getApplicableProducts(result, businessData) : [];
if (!result.applicable) {
return {
isApplicable: false,
applicableProducts: [],
reason: result.message,
reasonCode: result.code,
strategyResult: result
};
}
// 获取第一个匹配的 action(按 priority 排序后的)
var matchedAction = result.matchedActions[0];
if (!matchedAction) {
return {
isApplicable: false,
applicableProducts: [],
reason: 'No matched action',
reasonCode: 'NO_ACTION',
strategyResult: result
};
}
// 解析 action 详情
var actionDetail = this.parseActionDetail(matchedAction);
return {
isApplicable: true,
actionType: matchedAction.type,
actionDetail: actionDetail,
applicableProducts: applicableProducts,
strategyResult: result
};
}
/**
* 格式化配置
*/
}, {
key: "formatConfig",
value: function formatConfig(result, businessData) {
return {
result: result,
businessData: businessData
};
}
// ============================================
// 私有辅助方法
// ============================================
/**
* 格式化日期时间
*/
}, {
key: "formatDateTime",
value: function formatDateTime(date) {
var year = date.getFullYear();
var month = String(date.getMonth() + 1).padStart(2, '0');
var day = String(date.getDate()).padStart(2, '0');
var hours = String(date.getHours()).padStart(2, '0');
var minutes = String(date.getMinutes()).padStart(2, '0');
var seconds = String(date.getSeconds()).padStart(2, '0');
return "".concat(year, "-").concat(month, "-").concat(day, " ").concat(hours, ":").concat(minutes, ":").concat(seconds);
}
/**
* 解析 Action 详情
*
* 将 matchedAction 转换为更易用的结构
*/
}, {
key: "parseActionDetail",
value: function parseActionDetail(action) {
switch (action.type) {
case PROMOTION_ACTION_TYPES.X_ITEMS_FOR_Y_PRICE:
return this.parseXItemsForYPriceAction(action);
case PROMOTION_ACTION_TYPES.BUY_X_GET_Y_FREE:
return this.parseBuyXGetYFreeAction(action);
default:
return undefined;
}
}
/**
* 解析 X件Y元 Action
*/
}, {
key: "parseXItemsForYPriceAction",
value: function parseXItemsForYPriceAction(action) {
var _config$allowCrossPro, _config$cumulative;
var value = action.value || {};
var config = action.config || {};
return {
type: PROMOTION_ACTION_TYPES.X_ITEMS_FOR_Y_PRICE,
x: value.x || 2,
price: value.price || 0,
allowCrossProduct: (_config$allowCrossPro = config.allowCrossProduct) !== null && _config$allowCrossPro !== void 0 ? _config$allowCrossPro : true,
cumulative: (_config$cumulative = config.cumulative) !== null && _config$cumulative !== void 0 ? _config$cumulative : true
};
}
/**
* 解析 买X送Y Action
*/
}, {
key: "parseBuyXGetYFreeAction",
value: function parseBuyXGetYFreeAction(action) {
var _config$cumulative2;
var value = action.value || {};
var config = action.config || {};
return {
type: PROMOTION_ACTION_TYPES.BUY_X_GET_Y_FREE,
buyQuantity: value.buyQuantity || 1,
freeQuantity: value.freeQuantity || 1,
giftSelectionMode: config.giftSelectionMode || 'user_select',
cumulative: (_config$cumulative2 = config.cumulative) !== null && _config$cumulative2 !== void 0 ? _config$cumulative2 : true,
giftProducts: config.giftProducts || []
};
}
/**
* 获取适用的商品列表
*
* 从购物车商品中筛选出符合策略条件的商品
*/
}, {
key: "getApplicableProducts",
value: function getApplicableProducts(result, businessData) {
var _this = this;
var products = businessData.products;
// 从策略配置中获取商品范围条件
var productMatchRule = this.findProductMatchRule(result.config);
if (!productMatchRule) {
// 如果没有商品范围条件,所有商品都适用
return products;
}
var configProducts = productMatchRule.value;
// 筛选适用的商品
return products.filter(function (product) {
return _this.isProductMatch(product, configProducts);
});
}
/**
* 查找商品匹配规则
*/
}, {
key: "findProductMatchRule",
value: function findProductMatchRule(config) {
var _config$conditions;
if (!(config !== null && config !== void 0 && (_config$conditions = config.conditions) !== null && _config$conditions !== void 0 && _config$conditions.rules)) {
return null;
}
return config.conditions.rules.find(function (rule) {
return rule.field === 'productIdAndVariantId' && (rule.operator === 'product_match' || rule.operator === 'object_in');
});
}
/**
* 检查商品是否匹配
*/
}, {
key: "isProductMatch",
value: function isProductMatch(product, configProducts) {
return configProducts.some(function (config) {
// 首先检查 product_id
if (config.product_id !== product.product_id) {
return false;
}
// 如果配置的 product_variant_id = 0,只需要 product_id 匹配
if (config.product_variant_id === 0) {
return true;
}
// 否则需要 product_variant_id 精确匹配
return config.product_variant_id === product.product_variant_id;
});
}
}]);
return PromotionAdapter;
}();
export default PromotionAdapter;