Calculation/app/controller/ledger_controller.js

'use strict';

/**
 * 台账相关控制器
 *
 * @author CaiAoLin
 * @date 2017/11/30
 * @version
 */

const stdDataAddType = {
    withParent: 1,
    child: 2,
    next: 3,
};
const audit = require('../const/audit');
const auditConst = audit.ledger;
const tenderMenu = require('../../config/menu').tenderMenu;
const measureType = require('../const/tender').measureType;
const spreadConst = require('../const/spread');
const externalDataConst = require('../const/external_data.js');
const fs = require('fs');
const LzString = require('lz-string');
const accountGroup = require('../const/account_group').group;
const path = require('path');
const exportExcel = require('../lib/export_excel');
const billsPosConvert = require('../lib/bills_pos_convert');
const xlsx = require('js-xlsx');

module.exports = app => {

    class LedgerController extends app.BaseController {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            ctx.showProject = true;
            ctx.showTitle = true;
            ctx.showTender = true;
        }

        /**
         * 检查标段是否只读(审核中，审核完成)
         * @param {Object} tenderData
         * @return {boolean}
         * @private
         */
        _ledgerReadOnly() {
            const tender = this.ctx.tender.data;
            return tender.user_id !== this.ctx.session.sessionUser.accountId ||
                (tender.ledger_status === auditConst.status.checking || tender.ledger_status === auditConst.status.checked);
        }

        /**
         * 获取SpreadSetting
         * @private
         */
        _getSpreadSetting() {
            const _ = this.app._;
            function removeFieldCols(setting, cols) {
                _.remove(setting.cols, function(c) {
                    return cols.indexOf(c.field) > -1;
                });
            }
            function hideFieldCols(setting, cols) {
                for (const c of setting.cols) {
                    if (cols.indexOf(c.field) > -1) {
                        c.visible = false;
                    }
                }
            }
            function setColFormat(cols, field, formatter) {
                const col = _.find(cols, function(c) {
                    return c.field === field;
                });
                col.formatter = formatter;
            }
            // const tpFormatter = this.ctx.helper.getNumberFormatter(this.ctx.tender.info.decimal.tp);
            // const upFormatter = this.ctx.helper.getNumberFormatter(this.ctx.tender.info.decimal.up);
            const tender = this.ctx.tender;
            const setting = tender.data.measure_type === measureType.tz.value
                ? (tender.info.display.ledger.clQty ? spreadConst.withCl : spreadConst.withoutCl)
                : (tender.info.display.ledger.clQty ? spreadConst.withClGcl : spreadConst.withoutClGcl);
            const ledger = JSON.parse(JSON.stringify(setting.ledger));
            // setColFormat(ledger.cols, 'unit_price', upFormatter);
            // setColFormat(ledger.cols, 'dgn_price', upFormatter);
            // setColFormat(ledger.cols, 'total_price', tpFormatter);
            // setColFormat(ledger.cols, 'deal_tp', tpFormatter);
            const pos = setting.pos ? JSON.parse(JSON.stringify(setting.pos)) : spreadConst.blank;

            if (this._ledgerReadOnly(tender.data)) {
                ledger.readOnly = true;
                pos.readOnly = true;
            }
            if (tender.data.measure_type === measureType.tz.value) {
                removeFieldCols(ledger, spreadConst.filterCols.tzWithoutCols);
            }
            if (!tender.info.display.ledger.dgnQty) {
                removeFieldCols(ledger, spreadConst.filterCols.dgnCols);
            }
            return [ledger, pos];
        }

        /**
         * 台账分解页面 (Get)
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        async explode(ctx) {
            try {
                const tender = ctx.tender;
                const [ledgerSpread, posSpread] = this._getSpreadSetting();
                const times = tender.data.ledger_status === auditConst.status.checkNo ? tender.data.ledger_times - 1 : tender.data.ledger_times;

                const curAuditor = await ctx.service.ledgerAudit.getCurAuditor(tender.id, tender.data.ledger_times);
                const auditors = await ctx.service.ledgerAudit.getAuditorsWithOwner(tender.id, times);
                const user = await ctx.service.projectAccount.getAccountInfoById(ctx.tender.data.user_id);
                const auditHistory = [];
                if (times >= 1) {
                    for (let i = 1; i <= times; i++) {
                        auditHistory.push(await ctx.service.ledgerAudit.getAuditors(ctx.tender.id, i));
                    }
                }
                const [stdBills, stdChapters] = await this.ctx.service.valuation.getValuationStdList(
                    ctx.tender.data.valuation, ctx.tender.data.measure_type);
                const renderData = {
                    tender: tender.data,
                    tenderInfo: tender.info,
                    auditConst,
                    auditors,
                    curAuditor,
                    user,
                    auditHistory,
                    ledgerSpreadSetting: JSON.stringify(ledgerSpread),
                    posSpreadSetting: JSON.stringify(posSpread),
                    tenderMenu,
                    preUrl: '/tender/' + tender.id,
                    measureType,
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.ledger.explode),
                    stdBills,
                    stdChapters,
                };
                if ((tender.data.ledger_status === auditConst.status.uncheck || tender.data.ledger_status === auditConst.status.checkNo) && tender.data.user_id === ctx.session.sessionUser.accountId) {
                    // renderData.accountGroup = accountGroup;
                    // 获取所有项目参与者
                    const accountList = await ctx.service.projectAccount.getAllDataByCondition({
                        where: { project_id: ctx.session.sessionProject.id, enable: 1 },
                        columns: ['id', 'name', 'company', 'role', 'enable', 'is_admin', 'account_group', 'mobile'],
                    });
                    renderData.accountList = accountList;
                    renderData.accountGroup = accountGroup.map((item, idx) => {
                        const groupList = accountList.filter(item => item.account_group === idx);
                        return { groupName: item, groupList };
                    });
                    renderData.auditorList = await ctx.service.ledgerAudit.getAuditors(tender.id, tender.data.ledger_times);
                }

                await this.layout('ledger/explode.ejs', renderData, 'ledger/explode_modal.ejs');
            } catch (err) {
                ctx.helper.log(err);
                this.postError(err, '标段数据错误');
                await this.redirect('/dashboard');
            }
        }

        /**
         * 获取子节点 (Ajax)
         * @param ctx
         * @return {Promise<void>}
         */
        async getChildren(ctx) {
            const responseData = {
                err: 0,
                msg: '',
                data: [],
            };
            try {
                const data = JSON.parse(ctx.request.body.data);
                const id = data.ledger_id;
                if (isNaN(id) || id <= 0) {
                    throw '参数错误';
                }

                responseData.data = await ctx.service.ledger.getChildrenByParentId(ctx.tender.id, id);
            } catch (err) {
                responseData.err = 1;
                responseData.msg = err;
            }

            ctx.body = responseData;
        }
        /**
         * 树结构基本操作（增、删、上下移、升降级）
         * @param {Object} ctx - egg全局变量
         * @return {Promise<void>}
         */
        async _base(ctx, type, data) {
            if (isNaN(data.id) || data.id <= 0) throw '数据错误';
            if (type !== 'add') {
                if (isNaN(data.count) || data.count <= 0) data.count = 1;
            }
            switch (type) {
                case 'add':
                    return await ctx.service.ledger.addNodeBatch(ctx.tender.id, data.id, {}, data.count);
                case 'delete':
                    return await ctx.service.ledger.delete(ctx.tender.id, data.id, data.count);
                case 'up-move':
                    return await ctx.service.ledger.upMoveNode(ctx.tender.id, data.id, data.count);
                case 'down-move':
                    return await ctx.service.ledger.downMoveNode(ctx.tender.id, data.id, data.count);
                case 'up-level':
                    return await ctx.service.ledger.upLevelNode(ctx.tender.id, data.id, data.count);
                case 'down-level':
                    return await ctx.service.ledger.downLevelNode(ctx.tender.id, data.id, data.count);
            }
        }
        /**
         * 复制粘贴整块
         *
         * @param ctx
         * @return {Promise<void>}
         */
        async _pasteBlock(ctx, data) {
            if ((isNaN(data.id) || data.id <= 0) ||
                (!data.tid && data.tid <= 0) ||
                (!data.block || data.block.length <= 0)) throw '参数错误';
            return await ctx.service.ledger.pasteBlockData(ctx.tender.id, data.id, data.block);
        }
        /**
         * 从标准项目表添加数据
         * @param ctx
         * @return {Promise<void>}
         */
        async _addStd(ctx, data) {
            if ((isNaN(data.id) || data.id <= 0) || !data.stdType || !data.stdNode) throw '参数错误';
            // todo 校验项目是否使用该库的权限

            let stdLib,
                addType;
            switch (data.stdType) {
                case 'xmj':
                    stdLib = ctx.service.stdXmj;
                    addType = stdDataAddType.withParent;
                    break;
                case 'gcl':
                    stdLib = ctx.service.stdGcl;
                    const selectNode = await ctx.service.ledger.getDataByNodeId(ctx.tender.id, data.id);
                    if (selectNode.b_code) {
                        addType = stdDataAddType.next;
                    } else {
                        addType = stdDataAddType.child;
                    }
                    break;
                default:
                    throw '未知标准库';
            }
            const stdData = await stdLib.getDataByDataId(data.stdLibId, data.stdNode);
            switch (addType) {
                case stdDataAddType.child:
                    return await ctx.service.ledger.addStdNodeAsChild(ctx.tender.id, data.id, stdData);
                case stdDataAddType.next:
                    return await ctx.service.ledger.addStdNode(ctx.tender.id, data.id, stdData);
                case stdDataAddType.withParent:
                    return await ctx.service.ledger.addStdNodeWithParent(ctx.tender.id, stdData, stdLib);
                default:
                    throw '未知添加方式';
            }
        }
        /**
         * 从签约清单添加节点
         * @param ctx
         * @return {Promise<void>}
         */
        async _addDeal(ctx, data) {
            if (!data.type || !data.dealBills) throw '数据错误';
            data.dealBills.unit_price = this.ctx.helper.round(data.dealBills.unit_price, ctx.tender.info.decimal.up);
            if (data.type === 'child') {
                return await ctx.service.ledger.addChild(ctx.tender.id, data.id, data.dealBills);
            } else if (data.type === 'next') {
                return await ctx.service.ledger.addNode(ctx.tender.id, data.id, data.dealBills);
            }
            throw '数据错误';

        }
        /**
         * 批量插入数据
         *
         * data = {id, batchData, batchType}
         * data.batchType = 'batchInsertChild'/'batchInsertNext'
         * data.batchData = [{name, children}] -- 项目节列表
         * data.batchData.children = [{code, name, unit, unit_price, quantity}] -- 工程量清单列表
         *
         * @param ctx
         * @return {Promise<void>}
         */
        async _batchInsert(ctx, data) {
            if ((isNaN(data.id) || data.id <= 0) || !data.batchType) throw '参数错误';

            switch (data.batchType) {
                case 'child':
                    return await ctx.service.ledger.batchInsertChild(ctx.tender.id, data.id, data.batchData);
                case 'next':
                    return await ctx.service.ledger.batchInsertNext(ctx.tender.id, data.id, data.batchData);
                default:
                    throw '参数错误';
            }
        }
        /**
         * 更新清单相关 (Ajax)
         * @param ctx
         * @return {Promise<void>}
         */
        async update(ctx) {
            try {
                if (!ctx.tender.data) throw '标段数据错误';
                if (ctx.tender.data.user_id !== ctx.session.sessionUser.accountId || this._ledgerReadOnly()) throw '您无权进行该操作';
                const data = JSON.parse(ctx.request.body.data);
                if (!data.postType || !data.postData) throw '数据错误';

                const responseData = {
                    err: 0,
                    msg: '',
                    data: [],
                };
                switch (data.postType) {
                    case 'add':
                    case 'delete':
                    case 'up-move':
                    case 'down-move':
                    case 'up-level':
                    case 'down-level':
                        responseData.data = await this._base(ctx, data.postType, data.postData);
                        break;
                    case 'update':
                        responseData.data = await ctx.service.ledger.updateCalc(ctx.tender.id, data.postData);
                        break;
                    case 'paste-block':
                        responseData.data = await this._pasteBlock(ctx, data.postData);
                        break;
                    case 'add-std':
                        responseData.data = await this._addStd(ctx, data.postData);
                        break;
                    case 'add-deal':
                        responseData.data = await this._addDeal(ctx, data.postData);
                        break;
                    case 'batch-insert':
                        responseData.data = await this._batchInsert(ctx, data.postData);
                        break;
                    default:
                        throw '未知操作';
                }

                ctx.body = responseData;
            } catch (err) {
                this.log(err);
                ctx.body = this.ajaxErrorBody(err);
            }

        }

        /**
         * 定位
         * @param ctx
         * @return {Promise<void>}
         */
        async locate(ctx) {
            const responseData = {
                err: 0,
                msg: '',
                data: [],
            };
            try {
                const tenderId = ctx.params.id;
                if (!tenderId) {
                    throw '当前未打开标段';
                }
                const data = JSON.parse(ctx.request.body.data);
                if ((isNaN(data.id) || data.id <= 0)) {
                    throw '参数错误';
                }
                responseData.data = await ctx.service.ledger.locateNode(tenderId, data.id);
            } catch (err) {
                this.log(err);
                responseData.err = 1;
                responseData.msg = err;
            }

            ctx.body = responseData;
        }

        /**
         * 获取全部子节点
         *
         * @param ctx
         * @return {Promise<void>}
         */
        async posterity(ctx) {
            const responseData = {
                err: 0,
                msg: '',
                data: [],
            };
            try {
                const tenderId = ctx.params.id;
                if (!tenderId) {
                    throw '当前未打开标段';
                }
                const data = JSON.parse(ctx.request.body.data);
                if ((isNaN(data.id) || data.id <= 0)) {
                    throw '参数错误';
                }
                const expandData = await ctx.service.ledger.getPosterityByParentId(tenderId, data.id);
                responseData.data = { expand: expandData };
            } catch (err) {
                this.log(err);
                responseData.err = 1;
                responseData.msg = err;
            }

            ctx.body = responseData;
        }

        /**
         * 获取部位明细数据(Ajax)
         *
         * @param ctx
         * @return {Promise<void>}
         */
        async loadExplodeData(ctx) {
            try {
                const ledgerData = await ctx.service.ledger.getData(ctx.tender.id);
                const posData = this.ctx.tender.data.measure_type === measureType.tz.value
                    ? await ctx.service.pos.getPosData({ tid: ctx.tender.id }) : [];
                ctx.body = { err: 0, msg: '', data: { bills: ledgerData, pos: posData } };
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: [] };
            }
        }

        async check(ctx) {
            try {
                const ledgerData = await ctx.service.ledger.getData(ctx.tender.id);
                const posData = this.ctx.tender.data.measure_type === measureType.tz.value
                    ? await ctx.service.pos.getPosData({ tid: ctx.tender.id }) : [];
                const qtyData = ctx.helper.checkBillsWithPos(ledgerData, posData,
                    ['sgfh_qty', 'qtcl_qty', 'sjcl_qty', 'quantity']);
                qtyData.error.forEach(x => { x.errorType = 'qty'; });
                const tpData = ctx.helper.checkBillsTp(ledgerData, [
                    {qty: 'sgfh_qty', tp: 'sgfh_tp'}, {qty: 'qtcl_qty', tp: 'qtcl_tp'},
                    {qty: 'sjcl_qty', tp: 'sjcl_tp'}, {qty: 'quantity', tp: 'total_price'}
                ], this.ctx.tender.info.decimal);
                tpData.error.forEach(x => { x.errorType = 'tp'; });
                ctx.body = { err: 0, msg: '', data: {
                    error: [...qtyData.error, ...tpData.error],
                    source: {
                        bills: [...qtyData.source.bills, ...tpData.source.bills],
                        pos: [...qtyData.source.pos, ...tpData.source.pos],
                    },
                }};
            } catch (err) {
                this.log(err);
                ctx.body = this.ajaxErrorBody(err, '检查数据错误');
            }
        }

        /**
         * 更新 部位明细数据
         *
         * @param ctx
         * @return {Promise<void>}
         */
        async posUpdate(ctx) {
            try {
                await this.checkMeasureType(measureType.tz.value);
                const data = JSON.parse(ctx.request.body.data);
                const responseData = await ctx.service.pos.savePosData(data, ctx.tender.id);
                ctx.body = { err: 0, msg: '', data: responseData };
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }

        /**
         * 复制粘贴 部位明细
         * @param ctx
         * @return {Promise<void>}
         */
        async posPaste(ctx) {
            try {
                await this.checkMeasureType(measureType.tz.value);
                const data = JSON.parse(ctx.request.body.data);
                const result = await ctx.service.pos.pastePosData(data, ctx.tender.id);
                ctx.body = { err: 0, msg: '', data: result };
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }

        /**
         * 上传 清单Excel 并导入
         * @param ctx
         * @return {Promise<void>}
         */
        async uploadExcel(ctx) {
            try {
                const ueType = ctx.params.ueType;
                const compressData = ctx.request.body.data;
                const data = JSON.parse(LzString.decompressFromUTF16(compressData));
                const responseData = { err: 0, msg: '', data: {} };
                switch (ueType) {
                    case 'tz':
                        const templateId = await this.ctx.service.valuation.getValuationTemplate(
                            this.ctx.tender.data.valuation, this.ctx.tender.data.measure_type);
                        responseData.data = await ctx.service.ledger.importExcel(templateId, data);
                        break;
                    case 'gcl2xmj':
                        responseData.data = await ctx.service.ledger.importGclExcel(data.id, data.sheet);
                        break;
                    default:
                        throw '数据错误';
                }
                ctx.body = responseData;
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }
        // async uploadExcel(ctx) {
        //     let stream;
        //     try {
        //         const responseData = { err: 0, msg: '', data: {}, };

        //         // 保存文件
        //         stream = await ctx.getFileStream();
        //         const create_time = Date.parse(new Date());
        //         const fileInfo = path.parse(stream.filename);
        //         const fileName = this.app.config.filePath + '/cache/ledger/uploads/' + create_time + fileInfo.ext;
        //         await ctx.helper.saveStreamFile(stream, fileName);

        //         // 读取excel
        //         console.log(ctx.query);
        //         const name = ctx.query.sheetName;
        //         if (!name) throw '未选择需要导入的工作簿';
        //         const wb = xlsx.readFile(fileName);
        //         const sheetData = {
        //             rows: xlsx.utils.sheet_to_json(wb.Sheets[name], {header: 1}),
        //             merge: wb.Sheets[name]["!merges"],
        //         };
        //         if (!sheetData.rows) throw '读取工作簿数据错误';

        //         const ueType = ctx.query.ueType;
        //         switch (ueType) {
        //             case 'tz':
        //                 const templateId = await this.ctx.service.valuation.getValuationTemplate(
        //                     this.ctx.tender.data.valuation, this.ctx.tender.data.measure_type);
        //                 responseData.data = await ctx.service.ledger.importExcel(templateId, sheetData);
        //                 break;
        //             case 'gcl2xmj':
        //                 responseData.data = await ctx.service.ledger.importGclExcel(ctx.tender.id, sheetData);
        //                 break;
        //             default:
        //                 throw '数据错误';
        //         }
        //         ctx.body = responseData;
        //     } catch (err) {
        //         console.log(err);
        //         this.log(err);
        //         // 失败需要消耗掉stream 以防卡死
        //         if (stream) await sendToWormhole(stream);
        //         ctx.body = {err: 1, msg: err.toString(), data: null};
        //     }
        // }

        /**
         * 填设计量(Ajax)
         *
         * @param ctx
         * @return {Promise<void>}
         */
        async deal2sgfh(ctx) {
            try {
                if (!ctx.tender.data) throw '标段数据错误';
                if (ctx.tender.data.user_id !== ctx.session.sessionUser.accountId || this._ledgerReadOnly()) throw '您无权进行该操作';
                if (this.ctx.tender.measure_type === measureType.tz.value) throw '该功能仅工程量清单模式可用';

                await this.ctx.service.ledger.deal2sgfh(ctx.tender.id);
                const ledgerData = await ctx.service.ledger.getData(ctx.tender.id);
                ctx.body = { err: 0, msg: '', data: { bills: ledgerData } };
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }

        /**
         * 下载（清单Excel模板 or 导出项目台账Excel）
         * @param ctx
         * @return {Promise<void>}
         */
        async download(ctx) {
            const file = ctx.params.file;
            if (file) {
                try {
                    let fileName;
                    if (file === '导入分项清单EXCEL格式.xls') {
                        fileName = path.join(this.app.baseDir, 'app', 'public', 'files', 'template', 'ledger', '导入分项清单EXCEL格式.xls');
                        ctx.body = await fs.readFileSync(fileName);
                    } else if (file === '台账分解.xlsx') {
                        console.log(file);
                        const create_time = Date.parse(new Date()) / 1000;
                        fileName = this.app.baseDir + '/app/public/files/ledger' + ctx.tender.id + '-' + create_time + '.xlsx';
                        const exportor = new exportExcel.exportLedger2Excel(ctx);
                        await exportor.export2File(fileName);
                        ctx.body = await fs.readFileSync(fileName);
                        // 输出文件后删除
                        fs.unlinkSync(fileName);
                    }
                } catch (err) {
                    this.log(err);
                    this.setMessage(err.toString(), this.messageType.ERROR);
                }
            }
        }

        /**
         * 部位台账 页面 (Get)
         * @param ctx
         * @return {Promise<void>}
         */
        async bwtz(ctx) {
            try {
                const renderData = {
                    tender: ctx.tender.data,
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.ledger.bwtz),
                };
                await this.layout('ledger/bwtz.ejs', renderData);
            } catch (err) {
                this.log(err);
                ctx.redirect(ctx.request.header.referer);
            }
        }

        async loadBwtz(ctx) {
            try {
                const ledgerData = await ctx.service.ledger.getData(ctx.tender.id);
                const posData = this.ctx.tender.data.measure_type === measureType.tz.value
                    ? await ctx.service.pos.getPosData({ tid: ctx.tender.id }) : [];
                const convert = new billsPosConvert(ctx);
                convert.loadData(ledgerData, posData, []);
                const result = await convert.convert();
                // const wbsCodeHis = await ctx.service.externalData.getExValue(ctx.tender.id, -1,
                //     externalDataConst.FuLong.exType, externalDataConst.FuLong.exFields.wbsCode) || [];
                // const [result, needUpdate] = convert.convertByWbsCode(wbsCodeHis);
                // if (needUpdate) {
                //     await ctx.service.externalData.saveExValue(ctx.tender.id, -1,
                //         externalDataConst.FuLong.exType, externalDataConst.FuLong.exFields.wbsCode, wbsCodeHis);
                // }
                ctx.body = { err: 0, msg: '', data: result };
            } catch (err) {
                this.log(err);
                ctx.body = this.ajaxErrorBody(err, '加载合同支付数据错误');
            }
        }

        /**
         * 台账对比 页面 (Get)
         * @param ctx
         * @return {Promise<void>}
         */
        async gather(ctx) {
            try {
                const renderData = {
                    tender: ctx.tender.data,
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.ledger.gather),
                };

                await this.layout('ledger/gather.ejs', renderData);
            } catch (err) {
                this.log(err);
                await this.redirect(ctx.request.header.referer);
            }
        }

        /**
         * 获取 台账对比 数据 (Ajax)
         * @param ctx
         * @return {Promise<void>}
         */
        async loadGatherData(ctx) {
            try {
                const billsData = await ctx.service.ledger.getData(ctx.tender.id);
                const posData = this.ctx.tender.data.measure_type === measureType.tz.value
                    ? await ctx.service.pos.getPosData({ tid: ctx.tender.id }) : [];
                const dealBills = await ctx.service.dealBills.getAllDataByCondition({ where: { tender_id: this.ctx.tender.id } });
                ctx.body = { err: 0, msg: '', data: { bills: billsData, pos: posData, dealBills } };
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: [] };
            }
        }

        /**
         * 计量台账页面 (Get)
         *
         * @param {object} ctx - egg全局变量
         * @return {void}
         */
        async index(ctx) {
            const renderData = {};
            await this.layout('ledger/index.ejs', renderData);
        }
    }

    return LedgerController;
};