'use strict';
const auditConst = require('../const/audit');
const contractConst = require('../const/contract');
const moment = require('moment');
const sendToWormhole = require('stream-wormhole');
const fs = require('fs');
const path = require('path');
module.exports = app => {

    class ContractController 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;
        }
        /**
         * 项目合同列表页
         *
         * @param {Object} ctx - egg全局页面
         * @return {void}
         */
        async index(ctx) {
            try {
                if (!ctx.subProject.page_show.openContract) {
                    throw '该功能已关闭或无法查看';
                }
                const renderData = {
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.contract.index),
                    auditConst,
                    isTender: false,
                };
                // renderData.budgetStd = await ctx.service.budgetStd.getDataByProjectId(ctx.session.sessionProject.id);
                renderData.projectList = await ctx.service.subProject.getSubProjectByContract(ctx.session.sessionProject.id, ctx.session.sessionUser.accountId, ctx.session.sessionUser.is_admin);
                for (const t of renderData.projectList) {
                    if (!t.is_folder) {
                        const expensesList = await ctx.service.contract.getListByUsers({ spid: t.id, contract_type: contractConst.type.expenses }, ctx.session.sessionUser);
                        t.expenses_count = expensesList.length;
                        t.expenses_total_price = expensesList.reduce((total, item) => ctx.helper.add(total, item.total_price), 0);
                        t.expenses_yf_price = expensesList.reduce((total, item) => ctx.helper.add(total, item.yf_price), 0);
                        const incomeList = await ctx.service.contract.getListByUsers({ spid: t.id, contract_type: contractConst.type.income }, ctx.session.sessionUser);
                        t.income_count = incomeList.length;
                        t.income_total_price = incomeList.reduce((total, item) => ctx.helper.add(total, item.total_price), 0);
                        t.income_yf_price = incomeList.reduce((total, item) => ctx.helper.add(total, item.yf_price), 0);
                    }
                }
                const accountList = await ctx.service.projectAccount.getAllSubProjectAccount(ctx.subProject);
                renderData.accountList = accountList;
                const unitList = await ctx.service.constructionUnit.getAllDataByCondition({where: {pid: ctx.session.sessionProject.id}});
                renderData.accountGroup = unitList.map(item => {
                    const groupList = accountList.filter(item1 => item1.company === item.name);
                    return { groupName: item.name, groupList };
                }).filter(x => { return x.groupList.length > 0; });
                // renderData.permissionConst = ctx.service.subProjPermission.PermissionConst;
                renderData.categoryData = await this.ctx.service.category.getAllCategory(ctx.subProject);
                renderData.companys = await this.ctx.service.constructionUnit.getAllDataByCondition({where: {pid: ctx.session.sessionProject.id}});
                // renderData.templates = await this.ctx.service.filingTemplateList.getAllTemplate(ctx.session.sessionProject.id);
                await this.layout('contract/index.ejs', renderData, 'contract/modal.ejs');
            } catch (err) {
                ctx.log(err);
                ctx.session.postError = err.toString();
                ctx.redirect(this.menu.menu.dashboard.url);
            }
        }

        /**
         * 标段合同列表页
         *
         * @param {Object} ctx - egg全局页面
         * @return {void}
         */
        async tender(ctx) {
            try {
                if (!ctx.subProject.page_show.openContract) {
                    throw '该功能已关闭或无法查看';
                }
                // 获取用户新建标段权利
                const accountInfo = await this.ctx.service.projectAccount.getDataById(ctx.session.sessionUser.accountId);
                const userPermission = accountInfo !== undefined && accountInfo.permission !== ''
                    ? JSON.parse(accountInfo.permission) : null;
                let tenderList = await ctx.service.tender.getContractList('', userPermission, ctx.session.sessionUser.is_admin);
                const projectList = await ctx.service.subProject.getSubProjectByTender(ctx.session.sessionProject.id, tenderList);
                const removeTidList = [];
                for (const t of tenderList) {
                    const spInfo = ctx.helper._.find(projectList, { id: t.spid });
                    if (!spInfo) {
                        removeTidList.push(t.id);
                        continue;
                    }
                    spInfo.child_order = spInfo.child_order ? spInfo.child_order : 0;
                    spInfo.is_folder = 1;
                    t.tree_pid = spInfo.id;
                    t.tree_level = spInfo.tree_level + 1;
                    t.tree_order = spInfo.child_order + 1;
                    spInfo.child_order++;
                    const expensesList = await ctx.service.contract.getListByUsers({ tid: t.id, contract_type: contractConst.type.expenses }, ctx.session.sessionUser);
                    t.expenses_count = expensesList.length;
                    t.expenses_total_price = expensesList.reduce((total, item) => ctx.helper.add(total, item.total_price), 0);
                    t.expenses_yf_price = expensesList.reduce((total, item) => ctx.helper.add(total, item.yf_price), 0);
                    const incomeList = await ctx.service.contract.getListByUsers({ tid: t.id, contract_type: contractConst.type.income }, ctx.session.sessionUser);
                    t.income_count = incomeList.length;
                    t.income_total_price = incomeList.reduce((total, item) => ctx.helper.add(total, item.total_price), 0);
                    t.income_yf_price = incomeList.reduce((total, item) => ctx.helper.add(total, item.yf_price), 0);
                }
                if (removeTidList.length > 0) {
                    tenderList = tenderList.filter(item => !removeTidList.includes(item.id));
                }
                const categoryData = await ctx.service.category.getAllCategory(ctx.subProject);
                const renderData = {
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.contract.tender),
                    // jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.contract.index),
                    auditConst,
                    tenderList,
                    projectList: projectList.concat(tenderList),
                    categoryData,
                    isTender: true,
                    selfCategoryLevel: accountInfo ? accountInfo.self_category_level : '',
                    // selfCategoryLevel: '',
                    pid: ctx.session.sessionProject.id,
                    uid: ctx.session.sessionUser.accountId,
                };
                if (ctx.session.sessionUser.is_admin) {
                    const projectId = ctx.session.sessionProject.id;
                    // 获取所有项目参与者
                    const accountList = await ctx.service.projectAccount.getAllSubProjectAccount(ctx.subProject);
                    const unitList = await ctx.service.constructionUnit.getAllDataByCondition({ where: { pid: projectId } });
                    const accountGroupList = unitList.map(item => {
                        const groupList = accountList.filter(item1 => item1.company === item.name);
                        return { groupName: item.name, groupList };
                    }).filter(x => { return x.groupList.length > 0; });
                    renderData.accountList = accountList;
                    renderData.accountGroup = accountGroupList;
                }
                await this.layout('contract/tender.ejs', renderData, 'contract/modal.ejs');
                // await this.layout('contract/index.ejs', renderData, 'contract/modal.ejs');
            } catch (err) {
                ctx.log(err);
                ctx.session.postError = err.toString();
                ctx.redirect(this.menu.menu.dashboard.url);
            }
        }

        async auditSave(ctx) {
            try {
                if (ctx.session.sessionUser.is_admin === 0) throw '没有设置权限';
                const responseData = {
                    err: 0, msg: '', data: null,
                };
                const data = JSON.parse(ctx.request.body.data);
                if (!data.type) {
                    throw '提交数据错误';
                }
                const info = ctx.contract;
                const options = ctx.contractOptions;
                let uids;
                let result = false;
                let auditList = [];
                switch (data.type) {
                    case 'check':
                        await ctx.service.contractTree.insertTree(options, info);
                        // 新建合同信息
                        break;
                    case 'add-audit':
                        // 判断用户是单个还是数组
                        uids = data.id instanceof Array ? data.id : [data.id];
                        // 判断该用户的组是否已加入到表中，已加入则提示无需添加
                        auditList = await ctx.service.contractAudit.getList(options);
                        const addAidList = ctx.helper._.difference(uids, ctx.helper._.map(auditList, 'uid'));
                        if (addAidList.length === 0) {
                            throw '用户已存在成员管理中，无需重复添加';
                        }
                        const accountList = await ctx.service.projectAccount.getAllDataByCondition({ where: { id: addAidList } });
                        await ctx.service.contractAudit.saveAudits(options, accountList);
                        responseData.data = await ctx.service.contractAudit.getList(options);
                        break;
                    case 'del-audit':
                        uids = data.id instanceof Array ? data.id : [data.id];
                        const cloneOptions = ctx.helper._.cloneDeep(options);
                        cloneOptions.uid = uids;
                        auditList = options.spid ? await ctx.service.subProjPermission.getContractAuditList(options.spid, uids) : await ctx.service.contractAudit.getAllDataByCondition({ where: cloneOptions });
                        if (auditList.length !== uids.length) {
                            throw '该用户已不存在成员管理中，移除失败';
                        }
                        await ctx.service.contractAudit.delAudit(options, ctx.helper._.map(auditList, 'id'));
                        responseData.data = await ctx.service.contractAudit.getList(options);
                        break;
                    case 'save-permission':
                        result = await ctx.service.contractAudit.updatePermission(options, data.updateData);
                        if (!result) {
                            throw '修改权限失败';
                        }
                        break;
                    case 'list':
                        responseData.data = await ctx.service.contractAudit.getList(options);
                        break;
                    default: throw '参数有误';
                }
                ctx.body = responseData;
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }

        async panel(ctx) {
            try {
                const whiteList = ctx.app.config.multipart.whitelist;
                const contractOptions = ctx.helper._.cloneDeep(ctx.contractOptions);
                contractOptions.contract_type = ctx.contract_type;
                const contractTreeAudits = await ctx.service.contractTreeAudit.getAllDataByCondition({ where: contractOptions });
                const expensesOptions = ctx.helper._.cloneDeep(ctx.contractOptions);
                expensesOptions.contract_type = contractConst.type.expenses;
                const expensesList = await ctx.service.contract.getListByUsers(expensesOptions, ctx.session.sessionUser);
                const expensesPayList = expensesList.length > 0 ? await ctx.service.contractPay.getAllDataByCondition({ where: { cid: ctx.helper._.map(expensesList, 'id') } }) : [];
                const expenses_total_price = expensesList.reduce((total, item) => ctx.helper.add(total, item.total_price), 0);
                const expenses_yf_price = expensesList.reduce((total, item) => ctx.helper.add(total, item.yf_price), 0);
                const incomeOptions = ctx.helper._.cloneDeep(ctx.contractOptions);
                incomeOptions.contract_type = contractConst.type.income;
                const incomeList = await ctx.service.contract.getListByUsers(incomeOptions, ctx.session.sessionUser);
                const incomePayList = incomeList.length > 0 ? await ctx.service.contractPay.getAllDataByCondition({ where: { cid: ctx.helper._.map(incomeList, 'id') } }) : [];
                const income_total_price = incomeList.reduce((total, item) => ctx.helper.add(total, item.total_price), 0);
                const income_yf_price = incomeList.reduce((total, item) => ctx.helper.add(total, item.yf_price), 0);
                const prices = {
                    expenses_total_price,
                    expenses_yf_price,
                    expenses_rate: ctx.helper.div(expenses_yf_price, expenses_total_price) * 100,
                    income_total_price,
                    income_yf_price,
                    income_rate: ctx.helper.div(income_yf_price, income_total_price) * 100,
                };
                const renderData = {
                    contractTreeAudits,
                    audit_permission: ctx.contract_audit_permission,
                    preUrl: `/sp/${ctx.subProject.id}` + (ctx.contractOptions.tid ? '/contract/tender' : '/contract'),
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.contract.panel),
                    contractConst,
                    prices,
                    expensesList,
                    incomeList,
                    expensesPayList,
                    incomePayList,
                    thisUrl: `/sp/${ctx.subProject.id}` + (ctx.contract_tender ? `/contract/tender/${ctx.contract.id}/detail` : '/contract/detail'),
                };
                await this.layout('contract/panel.ejs', renderData);
            } catch (err) {
                ctx.log(err);
                ctx.session.postError = err.toString();
                ctx.redirect(`/sp/${ctx.subProject.id}` + (ctx.contractOptions.spid ? '/contract/detail' : '/contract/tender'));
            }
        }

        async detail(ctx) {
            try {
                const whiteList = ctx.app.config.multipart.whitelist;
                const contractOptions = ctx.helper._.cloneDeep(ctx.contractOptions);
                contractOptions.contract_type = ctx.contract_type;
                const contractTreeAudits = await ctx.service.contractTreeAudit.getAllDataByCondition({ where: contractOptions });
                const renderData = {
                    contractTreeAudits,
                    audit_permission: ctx.contract_audit_permission,
                    preUrl: `/sp/${ctx.subProject.id}` + (ctx.contractOptions.tid ? '/contract/tender' : '/contract'),
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.contract.detail),
                    contract_type: ctx.contract_type,
                    contractConst,
                    whiteList,
                    thisUrl: `/sp/${ctx.subProject.id}` + (ctx.contract_tender ? `/contract/tender/${ctx.contract.id}/detail` : '/contract/detail'),
                };
                if (ctx.session.sessionUser.is_admin) {
                    const accountList = await ctx.service.projectAccount.getAllSubProjectAccount(ctx.subProject);
                    renderData.accountList = accountList;
                    const unitList = await ctx.service.constructionUnit.getAllDataByCondition({ where: { pid: ctx.session.sessionProject.id } });
                    renderData.accountGroup = unitList.map(item => {
                        const groupList = accountList.filter(item1 => item1.company === item.name);
                        return { groupName: item.name, groupList };
                    }).filter(x => { return x.groupList.length > 0; });
                }
                await this.layout('contract/detail.ejs', renderData, 'contract/detail_modal.ejs');
            } catch (err) {
                ctx.log(err);
                ctx.session.postError = err.toString();
                ctx.redirect(`/sp/${ctx.subProject.id}` + (ctx.contractOptions.spid ? '/contract/detail' : '/contract/tender'));
            }
        }

        async loadDetail(ctx) {
            try {
                const responseData = {
                    err: 0, msg: '', data: {},
                };
                const contractOptions = ctx.helper._.cloneDeep(ctx.contractOptions);
                contractOptions.contract_type = ctx.contract_type;
                // const data = JSON.parse(ctx.request.body.data);
                // ctx.contractOptions.contract_type = ctx.contract_type;
                responseData.data.contractTree = await ctx.service.contractTree.getAllDataByCondition({ where: contractOptions });
                // 获取权限并展示对应合同
                responseData.data.contractList = await ctx.service.contract.getListByUsers(contractOptions, ctx.session.sessionUser);
                // responseData.data.contractList = await ctx.service.contract.getAllDataByCondition({ where: contractOptions });
                // const userOptions = ctx.helper._.cloneDeep(ctx.contractOptions);
                // // userOptions.uid = ctx.session.sessionUser.id;
                // const permissionEdit = ctx.session.sessionUser.is_admin ? true : await ctx.service.contractAudit.getUserPermissionEdit(userOptions);
                // responseData.data.auditContractTreePermission = permissionEdit ? [] : await ctx.service.contractTreeAudit.getAllDataByCondition({ where: contractOptions });
                // responseData.data.contractAttList = await ctx.service.contractAtt.getAllDataByCondition({ where: ctx.contractOptions });
                if (ctx.session.sessionUser.is_admin) {
                    const contractAudits = await ctx.service.contractAudit.getList(ctx.contractOptions);
                    const unitList = await ctx.service.constructionUnit.getAllDataByCondition({ where: { pid: ctx.session.sessionProject.id } });
                    const accountGroup = unitList.map(item => {
                        const groupList = contractAudits.filter(item1 => item1.company === item.name);
                        return { groupName: item.name, groupList };
                    }).filter(x => { return x.groupList.length > 0; });
                    responseData.data.contractAudits = contractAudits;
                    responseData.data.accountGroup = ctx.helper._.filter(accountGroup, function (item) {
                        return item.groupList.length > 0;
                    });
                }
                ctx.body = responseData;
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }

        async updateBills(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                if (!data.postType || !data.postData) throw '数据错误';
                const responseData = { err: 0, msg: '', data: {} };
                const options = ctx.helper._.cloneDeep(ctx.contractOptions);
                options.contract_type = ctx.contract_type;
                switch (data.postType) {
                    case 'add':
                    case 'add-child':
                    case 'delete':
                    case 'up-move':
                    case 'down-move':
                    case 'up-level':
                    case 'down-level':
                        responseData.data = await this._billsBase(ctx, data.postType, data.postData, options);
                        break;
                    case 'update':
                        responseData.data = await ctx.service.contractTree.updateCalc(options, data.postData);
                        break;
                    case 'update-contract':
                        responseData.data = await ctx.service.contract.updateCalc(options, data.postData);
                        break;
                    case 'paste-block':
                        responseData.data = await this._pasteBlock(ctx, data.postData, options);
                        break;
                    case 'add-contract':
                        responseData.data = await ctx.service.contract.add(options, data.postData.select, data.postData.contract);
                        break;
                    case 'add-tree-audit':
                        responseData.data = await ctx.service.contractTreeAudit.add(options, data.postData.select, data.postData.auditId);
                        break;
                    case 'del-tree-audit':
                        responseData.data = await ctx.service.contractTreeAudit.dels(options, data.postData.select, data.postData.auditIds);
                        break;
                    case 'get-contract':
                        responseData.data.pays = await ctx.service.contractPay.getPays(options, data.postData);
                        responseData.data.files = await ctx.service.contractAtt.getAtt(data.postData);
                        break;
                    case 'add-contract-pay':
                        responseData.data = await ctx.service.contractPay.add(options, data.postData.select, data.postData.pay);
                        break;
                    case 'save-contract-pay':
                        responseData.data = await ctx.service.contractPay.save(options, data.postData.select, data.postData.pay);
                        break;
                    case 'del-contract-pay':
                        responseData.data = await ctx.service.contractPay.del(options, data.postData.select, data.postData.pay);
                        break;
                    default:
                        throw '未知操作';
                }
                ctx.body = responseData;
            } catch (err) {
                console.log(err);
                this.log(err);
                ctx.body = this.ajaxErrorBody(err, '数据错误');
            }
        }

        async _billsBase(ctx, type, data, options) {
            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.contractTree.addNodeBatch(options, data.id, data.count);
                case 'add-child':
                    return await ctx.service.contractTree.addChildNode(options, data.id, data.count);
                case 'delete':
                    return await ctx.service.contractTree.delete(options, data.id, data.count);
                case 'up-move':
                    return await ctx.service.contractTree.upMoveNode(options, data.id, data.count);
                case 'down-move':
                    return await ctx.service.contractTree.downMoveNode(options, data.id, data.count);
                case 'up-level':
                    return await ctx.service.contractTree.upLevelNode(options, data.id, data.count);
                case 'down-level':
                    return await ctx.service.contractTree.downLevelNode(options, data.id, data.count);
                default:
                    throw '未知操作';
            }
        }
        /**
         * 复制粘贴整块
         *
         * @param ctx
         * @return {Promise<void>}
         */
        async _pasteBlock(ctx, data, options) {
            if ((isNaN(data.id) || data.id <= 0) ||
                (!data.block || data.block.length <= 0)) throw '参数错误';
            return await ctx.service.contractTree.pasteBlockData(options, data.id, data.block);
        }

        /**
         * 上传附件
         * @param {*} ctx 上下文
         */
        async uploadFile(ctx) {
            let stream;
            try {
                const responseData = { err: 0, msg: '', data: {} };
                const cid = ctx.params.cid;
                if (!cid) throw '参数有误';
                const cpid = parseInt(ctx.params.cpid);
                const parts = this.ctx.multipart({
                    autoFields: true,
                });
                const files = [];
                const create_time = Date.parse(new Date()) / 1000;
                let idx = 0;
                while ((stream = await parts()) !== undefined) {
                    if (!stream.filename) {
                        // 如果没有传入直接返回
                        return;
                    }
                    const fileInfo = path.parse(stream.filename);
                    const headpath = ctx.contractOptions.spid ? `sp/contract/${ctx.contractOptions.spid}` : `app/public/upload/${ctx.contractOptions.tid}`;
                    const filepath = `${headpath}/contract/${cid}${cpid ? '/pay/' + cpid : ''}/fujian_${create_time + idx.toString() + fileInfo.ext}`;
                    // await ctx.helper.saveStreamFile(stream, path.resolve(this.app.baseDir, 'app', filepath));
                    await ctx.app.fujianOss.put(ctx.app.config.fujianOssFolder + filepath, stream);
                    files.push({ filepath, name: stream.filename, ext: fileInfo.ext });
                    ++idx;
                    stream && (await sendToWormhole(stream));
                }
                const in_time = new Date();
                const payload = files.map(file => {
                    let idx;
                    if (Array.isArray(parts.field.name)) {
                        idx = parts.field.name.findIndex(name => name === file.name);
                    } else {
                        idx = 'isString';
                    }
                    const newFile = {
                        spid: ctx.contractOptions.spid || null,
                        tid: ctx.contractOptions.tid || null,
                        contract_type: ctx.contract_type,
                        cid,
                        uid: ctx.session.sessionUser.accountId,
                        filename: file.name,
                        fileext: file.ext,
                        filesize: ctx.helper.bytesToSize(idx === 'isString' ? parts.field.size : parts.field.size[idx]),
                        filepath: file.filepath,
                        upload_time: in_time,
                    };
                    if (cpid) {
                        newFile.cpid = cpid;
                    }
                    return newFile;
                });
                if (cpid) {
                    // 执行文件信息写入数据库
                    await ctx.service.contractPayAtt.saveFileMsgToDb(payload);
                    // 将最新的当前标段的所有文件信息返回
                    responseData.data = await ctx.service.contractPayAtt.getAtt(cpid);
                } else {
                    // 执行文件信息写入数据库
                    await ctx.service.contractAtt.saveFileMsgToDb(payload);
                    // 将最新的当前标段的所有文件信息返回
                    responseData.data = await ctx.service.contractAtt.getAtt(cid);
                }
                ctx.body = responseData;
            } catch (err) {
                stream && (await sendToWormhole(stream));
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }

        /**
         * 删除附件
         * @param {Ojbect} ctx 上下文
         */
        async deleteFile(ctx) {
            try {
                const cpid = ctx.params.cpid;
                const cid = ctx.params.cid;
                const responseData = { err: 0, msg: '', data: {} };
                const data = JSON.parse(ctx.request.body.data);
                let fileInfo = null;
                if (cpid) {
                    fileInfo = await ctx.service.contractPayAtt.getDataById(data.id);
                } else if (cid) {
                    fileInfo = await ctx.service.contractAtt.getDataById(data.id);
                } else {
                    throw '参数错误';
                }
                if (fileInfo || Object.keys(fileInfo).length) {
                    // 先删除文件
                    // await fs.unlinkSync(path.resolve(this.app.baseDir, './app', fileInfo.filepath));
                    await ctx.app.fujianOss.delete(ctx.app.config.fujianOssFolder + fileInfo.filepath);
                    // 再删除数据库
                    if (cpid) {
                        await ctx.service.contractPayAtt.delete(data.id);
                    } else {
                        await ctx.service.contractAtt.delete(data.id);
                    }
                } else {
                    throw '不存在该文件';
                }
                if (cpid) {
                    responseData.data = await ctx.service.contractPayAtt.getAtt(cpid);
                } else {
                    responseData.data = await ctx.service.contractAtt.getAtt(cid);
                }
                ctx.body = responseData;
            } catch (err) {
                this.log(err);
                ctx.body = { err: 1, msg: err.toString(), data: null };
            }
        }

        /**
         * 下载附件
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        async downloadFile(ctx) {
            const id = ctx.params.fid;
            if (id) {
                try {
                    const cpid = ctx.params.cpid;
                    const cid = ctx.params.cid;
                    let fileInfo = null;
                    if (cpid) {
                        fileInfo = await ctx.service.contractPayAtt.getDataById(id);
                    } else if (cid) {
                        fileInfo = await ctx.service.contractAtt.getDataById(id);
                    } else {
                        throw '参数错误';
                    }
                    if (fileInfo || Object.keys(fileInfo).length) {
                        // const fileName = path.join(__dirname, '../', fileInfo.filepath);
                        // 解决中文无法下载问题
                        const userAgent = (ctx.request.header['user-agent'] || '').toLowerCase();
                        let disposition = '';
                        if (userAgent.indexOf('msie') >= 0 || userAgent.indexOf('chrome') >= 0) {
                            disposition = 'attachment; filename=' + encodeURIComponent(fileInfo.filename);
                        } else if (userAgent.indexOf('firefox') >= 0) {
                            disposition = 'attachment; filename*="utf8\'\'' + encodeURIComponent(fileInfo.filename) + '"';
                        } else {
                            /* safari等其他非主流浏览器只能自求多福了 */
                            disposition = 'attachment; filename=' + new Buffer(fileInfo.filename).toString('binary');
                        }
                        ctx.response.set({
                            'Content-Type': 'application/octet-stream',
                            'Content-Disposition': disposition,
                            'Content-Length': fileInfo.filesize,
                        });
                        // ctx.body = await fs.createReadStream(fileName);
                        ctx.body = await ctx.helper.ossFileGet(fileInfo.filepath);
                    } else {
                        throw '不存在该文件';
                    }
                } catch (err) {
                    this.log(err);
                    this.setMessage(err.toString(), this.messageType.ERROR);
                }
            }
        }
    }

    return ContractController;
};