Calculation/app/controller/file_controller.js

'use strict';

/**
 *
 *
 * @author Mai
 * @date 2021/10/27
 * @version
 */
const auditConst = require('../const/audit');
const sendToWormhole = require('stream-wormhole');
const path = require('path');
const advanceConst = require('../const/advance');

module.exports = app => {
    class BudgetController extends app.BaseController {

        /**
         * 概算投资
         *
         * @param ctx
         * @returns {Promise<void>}
         */
        async index(ctx) {
            try {
                const renderData = {
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.file.index),
                    auditConst,
                };
                renderData.projectList = await ctx.service.subProject.getFileProject(ctx.session.sessionProject.id, ctx.session.sessionUser.accountId, ctx.session.sessionUser.is_admin);
                renderData.tenderList = await ctx.service.tender.getList4Select('stage');
                renderData.categoryData = await this.ctx.service.category.getAllCategory(this.ctx.session.sessionProject.id);
                await this.layout('file/index.ejs', renderData, 'file/modal.ejs');
            } catch (err) {
                ctx.log(err);
            }
        }

        async file(ctx) {
            try {
                const renderData = {
                    jsFiles: this.app.jsFiles.common.concat(this.app.jsFiles.file.file),
                };
                renderData.filing = await ctx.service.filing.getValidFiling(ctx.params.id, ctx.subProject.permission.filing_type);
                renderData.categoryData = await ctx.service.category.getAllCategory(ctx.session.sessionProject.id);
                renderData.canFiling = ctx.subProject.permission.file_permission.indexOf(ctx.service.subProjPermission.PermissionConst.file.filing.value) >= 0;
                renderData.canUpload = ctx.subProject.permission.file_permission.indexOf(ctx.service.subProjPermission.PermissionConst.file.upload.value) >= 0;
                renderData.filingTypes = ctx.service.filing.filingType;
                await this.layout('file/file.ejs', renderData, 'file/file_modal.ejs');
            } catch (err) {
                ctx.log(err);
            }
        }

        async getFilingTypePermission(ctx) {
            try {
                if (ctx.subProject.project_id !== this.ctx.session.sessionProject.id) throw '您无权操作该数据';

                const filingType = await ctx.service.subProjPermission.getFilingType(ctx.subProject.id);
                ctx.body = { err: 0, msg: '', data: filingType };
            } catch(err) {
                ctx.log(err);
                ctx.ajaxErrorBody(err, '获取授权用户数据错误');
            }
        }

        async saveFilingTypePermission(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                await ctx.service.subProjPermission.saveFilingType(data);
                ctx.body = { err: 0, msg: '', data: '' };
            } catch(err) {
                ctx.log(err);
                ctx.ajaxErrorBody(err, '保存授权用户信息错误');
            }
        }

        async addFiling(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                const result = await ctx.service.filing.add(data);
                ctx.body = { err: 0, msg: '', data: result };
            } catch (err) {
                ctx.log(err);
                ctx.ajaxErrorBody(err, '新增分类失败');
            }
        }
        async delFiling(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                const result = await ctx.service.filing.del(data);
                ctx.body = { err: 0, msg: '', data: result };
            } catch (err) {
                ctx.log(err);
                ctx.ajaxErrorBody(err, '删除分类失败');
            }
        }
        async saveFiling(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                const result = await ctx.service.filing.save(data);
                ctx.body = { err: 0, msg: '', data: result };
            } catch (err) {
                ctx.log(err);
                ctx.ajaxErrorBody(err, '保存分类数据失败');
            }
        }

        async loadFile(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                const result = await ctx.service.file.getFiles({
                    where: { filing_id: data.filing_id, is_deleted: 0 },
                    limit: data.count,
                    offset: (data.page-1)*data.count
                });
                ctx.body = { err: 0, msg: '', data: result };
            } catch (err) {
                ctx.log(err);
                ctx.ajaxErrorBody(err, '加载文件失败');
            }
        }

        async checkCanUpload(ctx) {
            if (ctx.subProject.permission.file_permission.indexOf(ctx.service.subProjPermission.PermissionConst.file.upload.value) < 0) {
                throw '您无权上传、导入、删除文件';
            }
        }

        async checkFiling(filing) {
            const child = await this.ctx.service.filing.getDataByCondition({ tree_pid: filing.id, is_deleted: 0 });
            if (child) throw '该分类下存在子分类，请在子分类下上传、导入文件';
        }

        async uploadFile(ctx){
            let stream;
            try {
                await this.checkCanUpload(ctx);

                const parts = ctx.multipart({ autoFields: true });

                let index = 0;
                const create_time = Date.parse(new Date()) / 1000;
                let stream = await parts();
                const user = await ctx. service.projectAccount.getDataById(ctx.session.sessionUser.accountId);
                const filing = await ctx.service.filing.getDataById(parts.field.filing_id);
                if (!filing || filing.is_deleted) throw '分类不存在，请刷新页面后重试';
                await this.checkFiling(filing);

                const uploadfiles = [];
                while (stream !== undefined) {
                    if (!stream.filename) throw '未发现上传文件!';

                    const fileInfo = path.parse(stream.filename);
                    const filepath = `sp/file/${filing.spid}/${ctx.moment().format('YYYYMMDD')}/${create_time + '_' + index + fileInfo.ext}`;

                    // 保存文件
                    await ctx.app.fujianOss.put(ctx.app.config.fujianOssFolder + filepath, stream);
                    await sendToWormhole(stream);

                    // 插入到stage_pay对应的附件列表中
                    uploadfiles.push({
                        filename: fileInfo.name,
                        fileext: fileInfo.ext,
                        filesize: Array.isArray(parts.field.size) ? parts.field.size[index] : parts.field.size,
                        filepath,
                    });
                    ++index;
                    if (Array.isArray(parts.field.size) && index < parts.field.size.length) {
                        stream = await parts();
                    } else {
                        stream = undefined;
                    }
                }

                const result = await ctx.service.file.addFiles(filing, uploadfiles, user);
                ctx.body = {err: 0, msg: '', data: result };
            } catch (error) {
                ctx.helper.log(error);
                // 失败需要消耗掉stream 以防卡死
                if (stream) await sendToWormhole(stream);
                ctx.body = this.ajaxErrorBody(error, '上传附件失败，请重试');
            }
        }
        async delFile(ctx) {
            try{
                const data = JSON.parse(ctx.request.body.data);
                if (!data.del) throw '缺少参数';
                const result = await ctx.service.file.delFiles(data.del);
                ctx.body = { err: 0, msg: '', data: result };
            } catch(error) {
                this.log(error);
                ctx.ajaxErrorBody(error, '删除附件失败');
            }
        }

        async loadValidRelaTender(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                if (data.type) throw '参数错误';

                const accountInfo = await ctx.service.projectAccount.getDataById(ctx.session.sessionUser.accountId);
                const userPermission = accountInfo !== undefined && accountInfo.permission !== ''
                    ? JSON.parse(accountInfo.permission) : null;
                const tenderList = await ctx.service.tender.getList('', userPermission, ctx.session.sessionUser.is_admin);

                const rela_tender = await ctx.subProject.rela_tender.split(',');
                const result = tenderList.filter(x => { return rela_tender.indexOf(x.id + '') >= 0});
                for (const r of result) {
                    r.advance = await ctx.service.advance.getAllDataByCondition({ columns: ['id', 'order', 'type'], where: { tid: r.id }});
                    r.advance.forEach(a => {
                        const type = advanceConst.typeCol.find(x => { return x.type === a.type });
                        if (type) a.type_str = type.name;
                    });
                    r.stage = await ctx.service.stage.getAllDataByCondition({ columns: ['id', 'order'], where: { tid: r.id, status: auditConst.stage.status.checked } });
                }
                ctx.body = {err: 0, msg: '', data: result };
            } catch (error) {
                ctx.helper.log(error);
                ctx.body = this.ajaxErrorBody(error, '加载标段信息失败');
            }
        }
        async _loadLedgerAtt(data) {
            if (!data.tender_id) throw '参数错误';
            return await this.ctx.service.ledgerAtt.getAllDataByCondition({ where: { tid: data.tender_id }, order: [['id', 'desc']]});
        }
        async _loadStageAtt(data) {
            if (!data.tender_id || !data.stage) throw '参数错误';
            switch (data.sub_type) {
                case 'att':
                    const stage = await this.ctx.service.stage.getDataById(data.stage);
                    return await this.ctx.service.stageAtt.getAllDataByCondition({ where: { tid: data.tender_id, sid: stage.order }, order: [['id', 'desc']]});
            }
        }
        async _loadAdvanceAtt(data) {
            if (!data.stage) throw '参数错误';
            return await this.ctx.service.advanceFile.getAllDataByCondition({ where: { vid: data.stage }, order: [['id', 'desc']]});
        }
        async loadRelaFiles(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                console.log(data);
                if (!data.type) throw '参数错误';

                let files;
                switch(data.type) {
                    case 'ledger':
                        files = await this._loadLedgerAtt(data);
                        break;
                    case 'stage':
                        files = await this._loadStageAtt(data);
                        break;
                    case 'advance':
                        files = await this._loadAdvanceAtt(data);
                        break;
                    default: throw '未知文件类型';
                }
                ctx.body = {err: 0, msg: '', data: files };
            } catch (error) {
                ctx.helper.log(error);
                ctx.body = this.ajaxErrorBody(error, '加载附件失败，请重试');
            }
        }
        async relaFile(ctx) {
            try {
                const data = JSON.parse(ctx.request.body.data);
                if (!data.filing_id || !data.files) throw '缺少参数';

                const user = await ctx. service.projectAccount.getDataById(ctx.session.sessionUser.accountId);
                const filing = await ctx.service.filing.getDataById(data.filing_id);
                if (!filing || filing.is_deleted) throw '分类不存在，请刷新页面后重试';
                await this.checkFiling(filing);

                const result = await ctx.service.file.relaFiles(filing, data.files, user);
                ctx.body = {err: 0, msg: '', data: result };
            } catch (error) {
                ctx.helper.log(error);
                ctx.body = this.ajaxErrorBody(error, '导入附件失败，请重试');
            }
        }
    }

    return BudgetController;
};