Calculation/app/service/construction_att.js

'use strict';

/**
 * Created by EllisRan on 2020/3/3.
 */

const BaseService = require('../base/base_service');

module.exports = app => {

    class ConstructionAtt extends BaseService {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'construction_attachment';
        }

        /**
         * 添加附件
         * @param {Object} postData - 表单信息
         * @param {Object} fileData - 文件信息
         * @param {int} uid - 上传者id
         * @return {void}
         */
        async save(postData, fileData, uid) {
            const data = {
                tid: postData.tid,
                log_id: postData.log_id,
                uid,
            };
            Object.assign(data, fileData);
            const result = await this.db.insert(this.tableName, data);
            return result;
        }

        /**
         * 获取 详情 所有附件
         * @param {uuid} td_id - 详情id
         * @return {Promise<void>}
         */
        async getConstructionAttachment(log_id, sort = 'asc') {
            const sql = 'SELECT ca.*, pa.name As u_name, pa.role As u_role ' +
                '  FROM ?? As ca ' +
                '  Left Join ?? As pa ' +
                '  On ca.uid = pa.id ' +
                '  Where ca.log_id = ? order by id ' + sort;
            const sqlParam = [this.tableName, this.ctx.service.projectAccount.tableName, log_id];
            const result = await this.db.query(sql, sqlParam);
            return result.map(item => {
                item.orginpath = this.ctx.app.config.fujianOssPath + item.filepath;
                if (!this.ctx.helper.canPreview(item.fileext)) {
                    item.filepath = `/construction/${item.tid}/log/${item.log_id}/file/${item.id}/download`;
                } else {
                    item.filepath = this.ctx.app.config.fujianOssPath + item.filepath;
                    item.viewpath = item.filepath;
                }
                return item;
            });
        }
    }
    return ConstructionAtt;
};