100 lines
3.4 KiB
JavaScript
100 lines
3.4 KiB
JavaScript
//
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//基础数据操作类
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//
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(function (global) {
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const ylotc = global.ylotc || {};
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const varietyMap = { $init: 0 }, underlyingMap = { $init: true };
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/**
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* 根据品种ID或代码获取品种信息
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* @param {number|string} varietyID - 必需,参数值为数字则为品种ID否则为品种代码，如果参数值为空返回空对象
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* @param {string} propName - 可选,品种属性名称,如果参数值为空返回整个对象,否则返回品种属性值
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* @returns -- 返回
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*/
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ylotc.getVariety = function (varietyID, propName) {
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if (!Array.isArray(ylotc.varieties)) {
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ylotc.varieties = [];
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alert('ylotc.varieties未正确初始化');
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return;
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}
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if (!varietyID) return {};
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//初始化
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if (typeof varietyID === 'number') {
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varietyID = '$' + varietyID;
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if (1 !== (1 & varietyMap.$init)) {
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varietyMap.$init |= 1;
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ylotc.varieties.forEach(x => varietyMap['$' + x.id] = x);
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}
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} else if (2 !== (2 & varietyMap.$init)) {
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varietyMap.$init |= 2;
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ylotc.varieties.forEach(x => varietyMap[x.Code] = x);
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}
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//返回品种信息
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var variety = varietyMap[varietyID] || {};
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return propName ? variety[propName] : variety;
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};
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/**
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* 获取品种列表
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* @param {any} predicate
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* @returns 返回
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*/
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ylotc.getVarieties = function (predicate) {
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var varieties = ylotc.varieties;
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if (!Array.isArray(varieties)) {
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ylotc.varieties = [];
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alert('ylotc.varieties未正确初始化');
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return;
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}
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if (!predicate) return varieties;
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switch (typeof predicate) {
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case 'function':
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return varieties.filter(predicate);
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case 'object':
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if (Array.isArray(predicate)) {
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var arr = predicate;
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predicate = input => input && arr.some(x => x === input.id || x === input.Code);
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} else {
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//根据请求模型构建匹配函数
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var reqModel = predicate;
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var matches = _.map(reqModel, (val, key) => {
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return input => typeof val === 'function' ? val(input[key]) : val === input[key];
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});
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predicate = input => input && matches.every(x => x(input));
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}
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return varieties.filter(predicate);
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default: return varieties;
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}
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};
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/**
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* 根据标的代码获取品种信息
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* @param {any} underlyingCode - 标的代码
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* @param {any} propName - 可选,标的属性名称,如果参数值为空返回整个对象,否则返回标的属性值
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*/
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ylotc.getUnderlying = function (underlyingCode, propName) {
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if (!Array.isArray(ylotc.underlyings)) {
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ylotc.underlyings = [];
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alert('ylotc.underlyings未正确初始化');
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return;
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}
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if (underlyingMap.$init) {
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underlyingMap.$init = false;
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ylotc.underlyings.forEach(x => underlyingMap[x.Code] = x);
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}
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var underlying = underlyingMap[underlyingCode] || {};
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return propName ? underlying[propName] : underlying;
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};
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if (!global.ylotc) {
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global.ylotc = ylotc;
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}
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}(window));
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