ConstructionCost/web/building_saas/main/js/models/exportStdInterfaceBase.js

'use strict';

/**
 *
 *
 * @author Zhong
 * @date 2019/6/20
 * @version
 */
const XML_EXPORT_BASE = (() => {

    // 属性类型
    const TYPE = {
        DATE: 1,        //日期类型YYYY-MM-DD
        DATE_TIME: 2,   //日期类型YYY-MM-DDTHH:mm:ss
        INT: 3,         //整数类型
        DECIMAL: 4,     //数值类型，不限制小数位数
        NUM2: 5,        //数值类型2：最多两位小数
        BOOL: 6         //布尔型
    };
    // 空白字符处理
    const WHITE_SPACE = {
        COLLAPSE: 1 //移除所有空白字符（换行、回车、空格以及制表符会被替换为空格，开头和结尾的空格会被移除，而多个连续的空格会被缩减为一个单一的空格）
    };
    // 计税方法
    const TAX_TYPE = {
        '1': '一般计税法',
        '2': '简易计税法',
    };
    // 承包人材料调整类型
    const ADJUST_TYPE = {
        info: 'priceInfo', // 造价信息差额调整法
        coe: 'priceCoe' // 价格指数调整法
    };
    // 加载数据间隔，减少服务器压力
    const TIMEOUT_TIME = 500;
    // 导出粒度
    const GRANULARITY = {
        PROJECT: 1,         //导出建设项目
        ENGINEERING: 2,     //导出单项工程
        TENDER: 3           //导出单位工程
    };
    // 导出的文件类型选项
    const EXPORT_KIND = {
        Tender: 1,  //投标
        Bid: 2,     //招标
        Control: 3  //控制价
    };
    // 配置项
    const CONFIG = Object.freeze({
        TYPE,
        WHITE_SPACE,
        TAX_TYPE,
        ADJUST_TYPE,
        TIMEOUT_TIME,
        GRANULARITY,
        EXPORT_KIND
    });

    // 缓存项 不需要的时候需要清空
    let _cache = {
        // 失败列表
        failList: [],
        // 项目数据（不包含详细数据，项目管理数据）
        projectData: {},
        // 当前导出类型，默认投标
        exportKind: EXPORT_KIND.Tender,
        // 记录拉取的单位工程项目详细数据，导出的时候，可能会导出多个文件，只有导出第一个文件的时候需要请求数据
        tenderDetailMap: {}
    };
    // 返回缓存项
    function getItem(key) {
        return _cache[key] || null;
    }
    // 设置缓存项
    function setItem(key, value) {
        // 与原数据是同类型的数据才可设置成功
        if (_cache[key] &&
            Object.prototype.toString.call(_cache[key]) ===
            Object.prototype.toString.call(value)) {
            _cache[key] = value;
        }
    }
    // 清空缓存项
    function clear() {
        _cache.failList = [];
        _cache.projectData = {};
        _cache.exportKind = EXPORT_KIND.Tender;
        _cache.tenderDetailMap = {};
    }
    const CACHE = Object.freeze({
        getItem,
        setItem,
        clear
    });

    /*
     * 定义不设置一个Node方法统一进入的原因：模板化比较直观，不分开定义节点的话，调用传参也很麻烦而且不直观。
     * 一个节点对应一个构造方法，方便调整配置、方便其他版本开发、接手的人看起来更直观
     * @param  {String}name 节点名
     *         {Array}attrs 节点属性数据
     *         {Array}failList 失败列表
     * @return {void}
     * */
    function Element(name, attrs) {
        this.name = name;
        let checkData = check(name, attrs);
        this.fail = checkData.failHints;
        this.attrs = checkData.filterAttrs;
        this.children = [];
        _cache.failList.push(...this.fail);
    }
    /*
     * 检查
     * 创建节点时检查节点的数据
     * 1.长度限制minLen，maxLen
     * 2.值的限制，固定范围：enumeration
     * @param  {String}eleName 节点名称
     *         {Array}datas 需要检查的属性数据
     * @return {Object} failHints没通过的属性提示 filterAttrs过滤后的属性数据(失败提示在属性是必须的时候才提示，如果该属性失败了，但是是非必要属性，那么该属性不显示)
     * */
    function check(eleName, datas) {
        let rst = {failHints: [], filterAttrs: []};
        let dateReg = /([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8])))/;
        for (let data of datas) {
            data.value = typeof data.value === 'undefined' || data.value === null ? '' : String(data.value);
            if (data.whiteSpace && data.whiteSpace === WHITE_SPACE.COLLAPSE) {  //处理空格相关
                data.value = data.value.replace(/[\r,\n,\t]/g, ' ');
                data.value = data.value.trim();
                data.value = data.value.replace(/\s{1,}/g, ' ');
            }
            /*if (!data.value && !data.minLen && !data.enumeration) {  //值为空，且没有限制最小字符数，且没有限制值，则不需判断
                rst.filterAttrs.push(data);
                continue;
            }*/
            let isFail = false,
                tempFail = '';
            if (data.minLen && data.value.length < data.minLen){
                isFail = true;
                tempFail = data.failHint
                    ? `${data.failHint}字符数不可小于${data.minLen}个。`
                    :`${eleName}-“${data.name}”字符数不可小于${data.minLen}个。`;
            } else if (data.maxLen && data.value.length > data.maxLen) {
                isFail = true;
                tempFail = data.failHint
                    ? `${data.failHint}字符数不可大于${data.maxLen}个。`
                    : `${eleName}-“${data.name}”字符数不可大于${data.maxLen}个。`;
            } else if (data.enumeration && !data.enumeration.includes(data.value)) {
                isFail = true;
                let enumerationHint = data.enumerationHint
                    ? data.enumerationHint.join(';')
                    : data.enumeration.join(';');
                tempFail = data.failHint
                    ? `${data.failHint}只能从“${enumerationHint}”中选择。`
                    : `${eleName}-“${data.name}”只能从“${enumerationHint}”中选择。`;
            } else if (data.type && data.type === TYPE.DATE && !dateReg.test(data.value)) {
                isFail = true;
                tempFail = data.failHint
                    ? `${data.failHint}日期格式必须是YYYY-MM-DD。`
                    : `${eleName}-“${data.name}”日期格式必须是YYYY-MM-DD。`;
            } else if (data.type && data.type === TYPE.INT && !Number.isInteger(parseFloat(data.value))) {
                isFail = true;
                tempFail = data.failHint
                    ? `${data.failHint}必须为整数。`
                    : `${eleName}-“${data.name}”必须为整数。`;
            } else if (data.type && data.type === TYPE.DECIMAL && isNaN(parseFloat(data.value))) {
                isFail = true;
                tempFail = data.failHint
                    ? `${data.failHint}必须为数值。`
                    : `${eleName}-“${data.name}”必须为数值。`;
            } else if (data.type && data.type === TYPE.NUM2) {
                let v = parseFloat(data.value);
                if (isNaN(v)) {
                    isFail = true;
                    tempFail = data.failHint
                        ? `${data.failHint}必须为数值。`
                        : `${eleName}-“${data.name}”必须为数值。`;
                } else if (!data.value.length || (data.value.split('.').length > 1 && data.value.split('.')[1].length > 2)){
                    isFail = true;
                }
            } else if (data.type && data.type === TYPE.BOOL && !['true', 'false'].includes(String(data.value))) {
                isFail = true;
                tempFail = data.failHint
                    ? `${data.failHint}必须为true或false。`
                    : `${eleName}-“${data.name}”必须为true或false。`;
            }
            if (!isFail || data.required) {
                rst.filterAttrs.push(data);
            }
            if (isFail && data.required && tempFail) {
                rst.failHints.push(tempFail);
            }
        }
        return rst;
    }
    // 等待一段时间
    function setTimeoutSync(handle, time) {
        return new Promise((resolve, reject) => {
            setTimeout(() => {
                if (handle && typeof handle === 'function') {
                    handle();
                }
                resolve();
            }, time);
        });
    }
    function isDef(v) {
        return typeof v !== 'undefined' && v !== null;
    }
    /*
    * 从fees数组中获取相关费用
    * @param  {Array}fees 费用数组
    *         {String}feeFields 费用字段
    * @return {Number}
    * @example getFee(source.fees, 'common.totalFee')
    * */
    function getFee(fees, feeFields) {
        if (!Array.isArray(fees)) {
            return 0;
        }
        let fields = feeFields.split('.');
        let fee = fees.find(data => data.fieldName === fields[0]);
        if (!fee) {
            return 0;
        }
        return fee[fields[1]] || 0;
    }
    /*
    * 根据key获取对应的基本信息、工程特征数据
    * @param  {Array}data
    *         {String}key
    * @return {String}
    * @example getValueByKey(source.basicInformation, 'projectScale')
    * */
    function getValueByKey(data, key) {
        for (let d of data) {
            if (d.key === key) {
                return d.value;
            }
            if (d.items && d.items.length > 0) {
                let findData = d.items.find(x => x.key === key);
                if (findData) {
                    return findData.value;
                }
            }
        }
        return '';
    }
    // 数组打平成对象
    function arrayToObj(arr) {
        let rst = {};
        for (let data of arr) {
            rst[data.key] = data.value;
        }
        return rst;
    }
    //检测层数
    //@param {Number}maxDepth(最大深度) {Object}node（需要检测的清单树节点）
    //@return {Boolean}
    function validDepth(maxDepth, node) {
        let nodeDepth = node.depth();
        let allNodes = node.getPosterity();
        //检测相对深度
        for (let n of allNodes) {
            let relativeDepth = n.depth() - nodeDepth;
            if (relativeDepth > maxDepth) {
                return false;
            }
        }
        return true;
    }
    //检测唯一性
    //@param {Object}constraints(约束池) {All}data(检测的数据) {String}hint(提示已存在的内容) {String}subHint(额外提示，有额外提示时，不用data提示)
    //@return {void}
    function checkUnique(constraints, data, hint, subHint) {
        if (constraints.includes(data)) {
            let failHint = subHint
                ? `${hint}“${subHint}”已存在`
                : `${hint}“${data}”已存在`;
            _cache.failList.push(failHint);
        } else if (data) {
            constraints.push(data);
        }
    }
    //根据数据的NextSiblingID进行排序，返回排序后的数组
    function sortByNext(datas) {
        let target = [],
            temp = {};
        for (let data of datas) {
            temp[data.ID] = {me: data, next: null, prev: null};
        }
        for (let data of datas) {
            let next = temp[data.NextSiblingID] || null;
            temp[data.ID].next = next;
            if (next) {
                next.prev = temp[data.ID];
            }
        }
        let first = null;
        for (let data of datas) {
            let me = temp[data.ID];
            if (!me.prev) {
                first = me;
            }
        }
        if (!first) {
            return datas;
        }
        while (first) {
            target.push(first.me);
            first = first.next;
        }
        return target;
    }

    //转换基数表达式
    //1.有子项，则取固定清单对应基数
    //2.无子项，有基数，a.优先转换为行代号(不可自身) b.不能转换为行代号则找对应字典
    //3.基数中有无法转换的，设为金额
    function transformCalcBase(tenderDetail, node, {CalcBaseMap, FlagCalcBaseMap}) {
        let expr = node.data.calcBase || '';
        if (node.children.length) {
            let flag = node.getFlag();
            return FlagCalcBaseMap[flag] || '';
        }
        if (expr) {
            let illegal = false;
            let normalBase = _getNormalBase(expr),
                idBase = _getIDBase(expr);
            //普通基数转基数字典
            normalBase.forEach(base => {
                let replaceStr = CalcBaseMap[base];
                //转换成行代号的优先级比较高，进行清单匹配
                let flag = FlagCalcBaseMap[base];
                if (flag) {
                    let flagNode = tenderDetail.mainTree.items.find(mNode => mNode.getFlag() === flag);
                    //匹配到了 普通基数转换成行引用
                    if (flagNode) {
                        replaceStr = `F${flagNode.serialNo() + 1}`;
                    }
                }
                //存在无法处理的基数
                if (!replaceStr) {
                    illegal = true;
                    return;
                }
                expr = expr.replace(new RegExp(base, 'g'), replaceStr);
            });
            //id引用转行代号引用
            idBase.forEach(base => {
                let id = base.match(/[^@]+/)[0];
                let theNode = tenderDetail.mainTree.getNodeByID(id),
                    rowCode = theNode ? `F${theNode.serialNo() + 1}` : '';
                if (!rowCode) {
                    illegal = true;
                    return;
                }
                expr = expr.replace(new RegExp(base, 'g'), rowCode);
            });
            //不合法 返回金额
            if (illegal) {
                return getFee(node.data.fees, 'common.totalFee');
            }
            return expr;
        }
        //获取普通基数: {xxx}
        function _getNormalBase(str) {
            let reg = /{.+?}/g,
                matchs = str.match(reg);
            return matchs || [];
        }
        //获取id引用基数: @xxx-xxx-xx
        function _getIDBase(str) {
            let reg = /@.{36}/g,
                matchs = str.match(reg);
            return matchs || [];
        }
    }
    //转换基数说明，根据转换后的基数处理
    //1.行引用转换为对应行的名称
    //2.基数字典转换为中文
    function transformCalcBaseState(tenderDetail, expr, CalcStateMap) {
        if (!expr) {
            return '';
        }
        expr = String(expr);
        //提取基数
        let bases = expr.split(/[\+\-\*\/]/g);
        //提取操作符
        let oprs = expr.match(/[\+\-\*\/]/g);
        //转换后的基数
        let newBase = [];
        let illegal = false;
        for (let base of bases) {
            //行引用转换为名称
            if (/F\d+/.test(base)) {
                let rowCode = base.match(/\d+/)[0],
                    node = tenderDetail.mainTree.items[rowCode - 1];
                if (!node || !node.data.name) {
                    illegal = true;
                    break;
                }
                newBase.push(node && node.data.name ? node.data.name : '');
            } else if (CalcStateMap[base]){    //字典转换为中文
                newBase.push(CalcStateMap[base]);
            } else if (/^\d+(\.\d+)?$/.test(base)) {    //金额
                newBase.push(base);
            } else {
                illegal = true;
                break;
            }
        }
        if (illegal) {
            return '';
        }
        let newExpr = '';
        for (let i = 0; i < newBase.length; i++) {
            newExpr += newBase[i];
            if (oprs && oprs[i]) {
                newExpr += oprs[i];
            }
        }
        return newExpr;
    }
    // 获取工程编号表格相关数据(导出需要弹出工程编号让用户选择)
    function getCodeSheetData(PMData) {
        let curCode = '0';
        let sheetData = [];
        sheetData.push(getObj(PMData));
        PMData.children.forEach(eng => {
            sheetData.push(getObj(eng));
            eng.children.forEach(tender => {
                sheetData.push(getObj(tender));
            });
        });
        //建设项目父ID设置为-1
        if (sheetData.length) {
            sheetData[0].ParentID = -1;
            sheetData[0].code = '';
        }
        return sheetData;
        function getObj(data) {
            return {
                collapsed: false,
                ID: data.ID,
                ParentID: data.ParentID,
                NextSiblingID: data.NextSiblingID,
                name: data.name,
                code: data.code || String(curCode++)
            };
        }
    }
    // 从srcNode节点中获取为target实例的节点
    function _getNodeFromSrc(srcNode, target) {
        if (!srcNode || !srcNode.children || !srcNode.children.length) {
            return [];
        }
        return srcNode.children.filter(node => node instanceof target);
    }
    // 设置完工程编号后，更新原始数据的工程编号
    function setupCode(originalDatas, codeDatas, {Tender, Engineering}) {
        originalDatas.forEach(orgData => {
            let curIdx = 0;
            let engs = _getNodeFromSrc(orgData.data, Engineering);
            engs.forEach(eng => {
                eng.attrs.find(attr => attr.name === '编号').value = codeDatas[curIdx++];
                let tenders = _getNodeFromSrc(eng, Tender);
                tenders.forEach(tender => {
                    tender.attrs.find(attr => attr.name === '编号').value = codeDatas[curIdx++];
                });
            });
        });
    }

    const UTIL = Object.freeze({
        isDef,
        setTimeoutSync,
        getFee,
        getValueByKey,
        arrayToObj,
        validDepth,
        checkUnique,
        sortByNext,
        transformCalcBase,
        transformCalcBaseState,
        getCodeSheetData,
        setupCode
    });

    // 开始标签
    function _startTag(ele) {
        let rst = `<${ele.name}`;
        for (let attr of ele.attrs) {
            rst += ` ${attr.name}="${attr.value}"`;
        }
        rst += ele.children.length > 0 ? '>' : '/>';
        return rst;
    }
    // 结束标签
    function _endTag(ele) {
        return `</${ele.name}>`;
    }
    // 拼接成xml字符串
    function _toXMLStr(eles) {
        let rst = '';
        for (let ele of eles) {
            rst += _startTag(ele);
            if (ele.children.length > 0) {
                rst += _toXMLStr(ele.children);
                rst += _endTag(ele);
            }
        }
        return rst;
    }
    //格式化xml字符串
    function _formatXml(text) {
        //去掉多余的空格
        text = '\n' + text.replace(/>\s*?</g, ">\n<");
        //调整格式
        let rgx = /\n(<(([^\?]).+?)(?:\s|\s*?>|\s*?(\/)>)(?:.*?(?:(?:(\/)>)|(?:<(\/)\2>)))?)/mg;
        let nodeStack = [];
        let output = text.replace(rgx, function($0, all, name, isBegin, isCloseFull1, isCloseFull2, isFull1, isFull2){
            let isClosed = (isCloseFull1 === '/') || (isCloseFull2 === '/' ) || (isFull1 === '/') || (isFull2 === '/');
            let prefix = '';
            if (isBegin === '!') {
                prefix = getPrefix(nodeStack.length);
            } else {
                if (isBegin !== '/') {
                    prefix = getPrefix(nodeStack.length);
                    if (!isClosed) {
                        nodeStack.push(name);
                    }
                } else {
                    nodeStack.pop();
                    prefix = getPrefix(nodeStack.length);
                }
            }
            let ret =  '\n' + prefix + all;
            return ret;
        });
        let outputText = output.substring(1);
        return outputText;
        function getPrefix(prefixIndex) {
            let span = '    ';
            let output = [];
            for (let i = 0 ; i < prefixIndex; ++i) {
                output.push(span);
            }
            return output.join('');
        }
    }

    // 将数据转换为xml文件并导出
    async function exportFile(originalDatas) {
        let fileDatas = [];
        //源数据转换成blob
        for (let orgData of originalDatas) {
            //转换成xml字符串
            let xmlStr = _toXMLStr([orgData.data]);
            //加上xml声明
            xmlStr = `<?xml version="1.0" encoding="utf-8"?>${xmlStr}`;
            //格式化
            xmlStr = _formatXml(xmlStr);
            let blob = new Blob([xmlStr], {type: 'text/plain;charset=utf-8'});
            fileDatas.push({blob: blob, fileName: orgData.fileName});
        }
        //导出文件
        if (fileDatas.length === 1) {
            saveAs(fileDatas[0].blob, fileDatas[0].fileName);
        } else if (fileDatas.length > 1) { //导出压缩包
            let zip = new JSZip();
            for (let file of fileDatas) {
                zip.file(file.fileName, file.blob, {binary: true});
            }
            let zipFile = await zip.generateAsync({type: 'blob'});
            saveAs(zipFile, '重庆标准交换数据.zip');
        }
    }
    
    return {
        CONFIG,
        CACHE,
        UTIL,
        Element,
        exportFile
    };
})();