Calculation/app/service/quality_inspection_att.js

'use strict';
const archiver = require('archiver');
const path = require('path');
const fs = require('fs');
/**
 * 附件表 数据模型
 * @author LanJianRong
 * @date 2020/6/30
 * @version
 */

module.exports = app => {
    class QualityInspectionAtt extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'quality_inspection_attachment';
        }

        /**
         * 获取当前标段(期)所有上传的附件
         * @param {Number} tid 标段id
         * @param {Number?} mid 期id
         * @return {Promise<void>} 数据库查询实例
         */
        async getAllAtt(tid, qiid) {
            const { ctx } = this;
            // qiid 如果qiid只有一个就转成数组
            if (!tid || !qiid) {
                return [];
            }
            qiid = qiid instanceof Array ? qiid : [qiid];
            const sql = 'SELECT a.*,b.name as username FROM ?? as a LEFT JOIN ?? as b ON a.uid = b.id WHERE a.tid = ? AND a.qiid in (' + ctx.helper.getInArrStrSqlFilter(qiid) + ') ORDER BY upload_time DESC';
            const sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, tid];
            const result = await this.db.query(sql, sqlParam);
            return result.map(item => {
                item.orginpath = this.ctx.app.config.fujianOssPath + item.filepath;
                if (!ctx.helper.canPreview(item.fileext)) {
                    item.filepath = `/tender/${ctx.tender.id}/change/plan/${item.cpid}/information/file/${item.id}/download`;
                } else {
                    item.filepath = this.ctx.app.config.fujianOssPath + item.filepath;
                }
                return item;
            });
        }


        /**
         * 存储上传的文件信息至数据库
         * @param {Array} payload 载荷
         * @return {Promise<void>} 数据库插入执行实例
         */
        async saveFileMsgToDb(payload) {
            return await this.db.insert(this.tableName, payload);
        }

        /**
         * 获取单个文件信息
         * @param {Number} id 文件id
         * @return {Promise<void>} 数据库查询实例
         */
        async getMaterialFileById(id) {
            return await this.getDataByCondition({ id });
        }

        /**
         * 删除附件
         * @param {Number} id - 附件id
         * @return {void}
         */
        async delete(id) {
            return await this.deleteById(id);
        }
    }
    return QualityInspectionAtt;
};